ИНТЕГРИРОВАННАЯ ОБРАБОТКА И ГЕНЕРИРОВАНИЕ ЭЛЕКТРОЭНЕРГИИ НА КРИСТАЛЛЕ

Изобретение относится к области электротехники, а именно к обрабатывающему устройству с собственным источником питания, и содержит обрабатывающее устройство и электрический генератор, которые имеют физическую, электрическую и тепловую связь между собой. Электрический генератор представляет собой топливный элемент, который может быть изготовлен из материалов на основе кремния, способных также поддерживать функционирование схем обработки. Тепловая связь между электрическим генератором и обрабатывающим устройством может включать в себя термоэлектрик, который генерирует электрическую энергию на основе разности температур или потребляет электрическую энергию для создания разности температур. Тепловая связь между электрическим генератором и обрабатывающим устройством содержит тепловую связь между топливом, доставляемым электрическому генератору. Вычислительное устройство с обрабатывающими устройствами с собственным источником питания также включает в себя устройство аккумулирования энергии для ...

ЭНЕРГЕТИЧЕСКАЯ СИСТЕМА С ЭЛЕКТРОХИМИЧЕСКИМ КОНВЕРТЕРОМ, СИСТЕМА С ЭЛЕКТРОХИМИЧЕСКИМ КОНВЕРТЕРОМ И УСТРОЙСТВО ВВОДА-ВЫВОДА ДЛЯ ИСПОЛЬЗОВАНИЯ С РЕЗЕРВУАРОМ ВЫСОКОГО ДАВЛЕНИЯ

Изобретение относится к высокотемпературным электрохимическим конвертерам, таким, как топливные элементы, а более конкретно к высокоэффективным энергетическим или силовым системам, в которых используются электрохимические конвертеры. Электрохимический конвертер размещен внутри резервуара высокого давления, в котором скапливаются горячие выхлопные газы, вырабатываемые конвертером, подаваемые в установки для использования энергии конвертера, такие, как газовая турбина, для комбинированного производства тепловой и электрической энергии. В состав для использования энергии конвертера могут входить, например, газовая турбина или система обогрева, вентиляции или кондиционирования воздуха (ОВКВ). Резервуар высокого давления может содержать теплообменник, например рубашку охлаждения, для охлаждения резервуара высокого давления и/или подогрева реагента электрохимического конвертера перед подачей его в конвертер. В одном из вариантов осуществления изобретения компрессор, входящий в узел газовой турбины ...

БАТАРЕЯ ТВЕРДООКСИДНЫХ ТОПЛИВНЫХ ЭЛЕМЕНТОВ, И СТЕКЛО, ПРИМЕНЯЕМОЕ В КАЧЕСТВЕ СТЕКЛЯННОГО УПЛОТНИТЕЛЯ В БАТАРЕЕ ТВЕРДООКСИДНЫХ ТОПЛИВНЫХ ЭЛЕМЕНТОВ

Предложена батарея твердооксидных топливных элементов, получаемая посредством способа, содержащего этапы: (a) формирование первого блока батареи топливных элементов путем чередования, по меньшей мере, одной соединительной пластины, по меньшей мере, с одной единицей топливного элемента, и обеспечение стеклянного уплотнителя в промежутке между соединительной пластиной и каждой единицей топливного элемента, при этом стеклянный уплотнитель содержит, в мас.%: 50-70 SiO, 0-20 AlO, 10-50 CaO, 0-10 MgO, 0-6 (NaO+KO), 0-10 BOи 0-5 функциональных элементов, выбранных из TiO, ZrO, F, PO, MoO, FeO, MnO, La-Sr-Mn-O перовскита (LSM), и их комбинаций; (b) преобразование названного первого блока батареи топливных элементов во второй блок, имеющий толщину стеклянного уплотнителя 5-100 мкм, посредством нагревания названного первого блока до температуры 500°C или выше, и воздействия на батарею элементов давлением нагрузки от 2 до 20 кг/см; (c) преобразование названного второго блока в конечный блок батареи ...

СПОСОБ ПОЛУЧЕНИЯ МНОГОСЛОЙНОЙ БАРЬЕРНОЙ СТРУКТУРЫ ДЛЯ ТВЕРДООКСИДНОГО ТОПЛИВНОГО ЭЛЕМЕНТА

Изобретение относится к способу получения многослойной барьерной структуры в батарее твердооксидных элементов и к многослойной структуре, получаемой таким способом. Согласно изобретению способ изготовления многослойной барьерной структуры в батарее твердооксидных топливных элементов включает следующие стадии: - обеспечение металлического соединительного компонента; - нанесение на указанный металлический соединительный компонент первого металлоксидного слоя, содержащего смесь оксидов металлов, выбранных из группы, включающей оксид кобальта, оксид марганца, оксид меди и смеси указанных оксидов; - нанесение на указанный первый металлоксидный слой второго металлоксидного слоя; - нанесение на указанный второй металлоксидный слой третьего металлоксидного слоя; - формирование батареи твердооксидных элементов, содержащей указанный металлический соединительный компонент, покрытый указанными металлоксидными слоями, и - осуществление реакции оксида металла в указанном первом металлоксидном слое с ...

ПОДДЕРЖИВАЕМЫЙ БАТАРЕЕЙ ТВЕРДООКСИДНЫЙ ТОПЛИВНЫЙ ЭЛЕМЕНТ

... 1. Батарея твердооксидных топливных элементов, которая содержит первый электродный слой, первый слой электролита, перекрывающий первый электродный слой, общий электродный слой, перекрывающий первый слой электролита, второй слой электролита, перекрывающий общий электродный слой, и второй электродный слой, перекрывающий второй слой электролита, причем первый и второй электродные слои представляют собой анод или катод, а общий электродный слой представляют собой соответственно другой анод или катод, при этом первый электродный слой, первый слой электролита и общий электрод образуют первый твердооксидный топливный элемент, а общий электрод, второй слой электролита и второй электродный слой образуют второй твердооксидный топливный элемент. 2. Батарея твердооксидных топливных элементов по п.1, в которой общий электродный слой представляет собой катод, а первый и второй электродные слои представляют собой аноды. 3. Батарея твердооксидных топливных элементов по п.1, в которой общий электродный ...

БАТАРЕЯ ТВЕРДООКСИДНЫХ ТОПЛИВНЫХ ЭЛЕМЕНТОВ И ПРИМЕНЕНИЕ Е-СТЕКЛА В КАЧЕСТВЕ СТЕКЛЯННОГО УПЛОТНИТЕЛЯ В БАТАРЕЕ ТВЕРДООКСИДНЫХ ТОПЛИВНЫХ ЭЛЕМЕНТОВ

... 1. Батарея твердооксидных топливных элементов, получаемая согласно процессу, содержащему этапы: ! (a) формирование первого блока батареи топливных элементов путем чередования, по меньшей мере, одной соединительной пластины, по меньшей мере, с одной единицей топливного элемента, в котором каждая единица топливного элемента содержит анод, катод и электролит, расположенный между анодом и катодом, и обеспечение стеклянного уплотнителя в промежутке между соединительной пластиной и каждой единицей топливного элемента, в котором стеклянный уплотнитель имеет состав: ! 50-70 мас.% SiО2, 0-20 мас.% Аl2О3, 10-50 мас.% CaO, 0-10 мас.% MgO, 0-2 мас.% (Na2O+K2O), 5-10 мас.% B2O3 и 0-5 мас.% функциональных элементов, выбранных из TiO2, ZrO2, F, P2O5, MoO2, Fe2O3, MnO2, La-Sr-Mn-O перовскита (LSM), и их комбинаций; ! (b) преобразование названного первого блока батареи топливных элементов во второй блок, имеющий толщину стеклянного уплотнителя 5-100 мкм, посредством нагревания названного первого блока до ...

УЗЕЛ СЖАТИЯ ДЛЯ РАСПРЕДЕЛЕНИЯ НАРУЖНОГО УСИЛИЯ СЖАТИЯ К СТОПКЕ ТВЕРДООКСИДНЫХ ТОПЛИВНЫХ ЭЛЕМЕНТОВ ИСТОПКА ТВЕРДООКСИДНЫХ ТОПЛИВНЫХ ЭЛЕМЕНТОВ

... 1. Узел сжатия для распределения наружного усилия сжатия к стопке твердооксидных топливных элементов, причем указанный узел сжатия содержит пластину для распределения усилия и слой распределения усилия так, что, когда указанный узел сжатия установлен вместе со стопкой твердооксидных топливных элементов, наружное усилие сжатия действует на указанную пластину распределения усилий, и указанный слой распределения усилий обеспечен вблизи поверхности по меньшей мере одной концевой пластины, противоположной поверхности, обращенной к твердооксидным топливным элементам, причем указанный слой распределения усилий имеет жесткую раму, продолжающуюся вблизи зоны уплотнительной области стопки твердооксидных топливных элементов, один или более упругих элементов, расположенных внутри пространства, окруженного указанной жесткой рамой расположенных вблизи области с электрохимической активностью стопки твердооксидных топливных элементов так, что когда указанный узел сжатия, установленный с твердооксидным ...

Электрохимическое устройство и способы конверсии энергии

... 1. Электрохимическое устройство, содержащее анод, выполненный из такого материала, что анод является химически перезаряжаемым анодом, причем при рабочей температуре устройства анод содержит жидкость, твердый электролит в ионной взаимосвязи с анодом, и источник топлива, подаваемого на анод. 2. Устройство по п.1, дополнительно содержащее источник химического восстановителя для химической перезарядки анода. 3. Устройство по п.2, где источник химического восстановителя является источником топлива. 4. Устройство по п.1, где анод содержит металл. 5. Устройство по п.4, где металл имеет стандартный восстановительный потенциал более –0,70 В относительно стандартного водородного электрода. 6. Устройство по п.1, где анод содержит по меньшей мере два металла. 7. Устройство по п.6, где каждый металл имеет стандартный восстановительный потенциал более –0,70 В относительно стандартного водородного электрода. 8. Устройство по п.1, где анод является химически перезаряжаемым в восстановленное состояние из ...

УСТРОЙСТВО ТОПЛИВНОГО ЭЛЕМЕНТА С ИЗМЕНЯЮЩИМИСЯ РАЗМЕРАМИ АКТИВНОЙ ПЛОЩАДИ

... 1. Устройство топливного элемента, содержащее (i) по меньшей мере, один электролитый лист, (ii) множество электродных пар, расположенных на противоположных сторонах листа электролита, причем каждая из электродных пар включает анод и катод, в котором, по меньшей мере, две из ряда электродных пар являются парами разного размера, при этом отношение площадей между, по меньшей мере, двумя из множества электродных пар составляет, по меньшей мере, 1,1:1, причем, по меньшей мере, один электролитный лист содержит, по меньшей мере, 5 электродных пар и электродные пары, смежные с, по меньшей мере, одним краем листа электролита, больше или меньше, по меньшей мере, некоторых из электродных пар, расположенных в середине площади листа электролита. 2. Устройство топливного элемента по п.1, в котором отношение составляет, по меньшей мере, 1,2:1. 3. Устройство топливного элемента по любому из предшествующих пунктов, в котором отношение составляет, по меньшей мере, 1,5:1. 4. Устройство топливного элемента ...

High temperature fuel cell system include resilient channel configurations which sealing openings and are located in electrically-active regions of fuel cell stack

Resilient channel configurations (7, 7') seal openings (4) and/or are provided in an electrically-active region of the fuel cell stack.

Brennstoffzellensystem und Verfahren zum Betreiben eines Brennstoffzellensystems

Die Erfindung betrifft ein Brennstoffzellensystem (1), umfassend zumindest einen Brennstoffzellenstapel (2) mit mehreren Brennstoffzellen (3), wobei jede Brennstoffzelle (3) einen Anodenabschnitt (4), einen Kathodenabschnitt (5) und einen Elektrolytabschnitt (6) aufweist, und eine Gasverarbeitungseinheit (7), wobei der Brennstoffzellenstapel (2) metallische Stützelemente (8) aufweist, wobei das Brennstoffzellensystem (1) über die metallischen Stützelemente (8) unmittelbar elektrisch aufheizbar ist, wobei die metallischen Stützelemente (8) selbst als Heizelemente angeordnet sind.Weiter betrifft die Erfindung Verfahren zum Betreiben eines Brennstoffzellensystems (1) mit metallischen Stützelementen (8).

Elektrochemischer Speicher

Ein elektrochemische Speicher weist mindestens eine elektrochemische Zelle (2) und einen Latentwärmespeichermantel (3), der die Zelle (3) zumindest teilweise umgibt und wärmeleitend kontaktiert, und mindestens einen Betriebsgaskanal (4, 5) auf, der von dem Latentwärmespeichermantel und der Zelle (2) begrenzt und dadurch ausgebildet ist sowie durch den ein Betriebsgas der Zelle (2) mit einem gasförmigen Reaktionspartner zu der Zelle (2) zuströmbar und von der Zelle (2) abströmbar ist.

Brennstoffzellenmodul

Um ein Brennstoffzellenmodul, umfassend ein Gehäuse und eine in dem Gehäuse angeordnete Anoden-Elektrolyt-Kathoden-Einheit mit einer Anode, einem Elektrolyten und einer Kathode, wobei ein erster Gehäuseteil mit einer ersten Elektrode elektrisch verbunden ist, bereitzustellen, welches zuverlässig im Betrieb ist, ist vorgesehen, dass die erste Elektrode und/oder ein Elektrodenträger über eine Lotschicht mit einem zweiten Gehäuseteil elektrisch verbunden ist, wobei der zweite Gehäuseteil auf dem gleichen elektrischen Potential wie der erste Gehäuseteil liegt.

Verfahren zum Betrieb eines Festelektrolyt-Hochtemperatur-Brennstoffzellenmoduls und dazu geeignetes Festelektrolyt-Hochtemperatur-Brennstoffzellenmodul

Brennstoffzellenanordnung aus durch Fügematerial verbundenen Körpern

Vereinigte Festoxid-Brennstoffzelle

FESTOXID-BRENNSTOFFZELLE IN HYBRID-DICKSCHICHT-DÜNNSCHICHTTECHNIK UND VERFAHREN ZU IHRER HERSTELLUNG

Brennstoffzelleninterkonnektor mit integrierten Flußpfaden und Verfahren zur Herstellung dieses

Verfahren zur Herstellung einer integrierten vollkeramischen Hochtemperaturbrennstoffzelle

Fuel cells

Solid oxide fuel cell stacks and manufacturing methods

A solid oxide fuel cell stack 10 comprises a first solid oxide fuel cell 12, a second solid oxide fuel cell 14, an interconnect 16, and a joining member 18. The first solid oxide fuel cell 12 includes a cathode 32. The second solid oxide fuel cell 14 includes an anode 36. The interconnect 16 is positioned between the cathode 32 of the first solid oxide fuel cell 12 and the anode 36 of the second solid oxide fuel cell 14. The joining member 18 joins the interconnect 16 to the cathode 32 of the first solid oxide fuel cell 12 and/or the anode 36 of the second solid oxide fuel cell 14, wherein the joining member 18 comprises a porous substrate 42, 43. The porous substrate may be formed by impregnating reticulated foam with ceramic slurry and firing. It may have a conductive coating of doped lanthanum cobaltite, lanthanum manganite, praseodymium cobaltite or manganite or other doped conductive oxides or metals.

A solid oxide fuel cell stack

A plurality of fuel cells stacked in modular configuration and fuel cell stack arrays

A fuel cell stack comprises a plurality of fuel cells stacked in modular configuration. A plurality of fuel cells is created on a single piece of electrolyte eg. by screen printing electrodes to form a layer. A plurality of layers may be arranged such that cathodes and anodes of respective layers face each other with a space therebetween to permit supply of fuel maintained by spacers 7. A fuel stack array comprises such a stack connected to an adjacent further cell stack and electrically insulated from each other (Figures 4A, 4B), fuel being fed and exhausted from one side of a stack, and a further fuel fed and exhausted from the other side, each of the fuels and exhausts being separated by dividers. The feed gases can be fed centrally and shared between cell stacks. Multiple stack arrangements can be built up in any direction (Figs. 5 - 8) and the stack arrays supported within a water-cooled housing (Fig. 9). Failed modules can be removed and replaced. Any number of modules can be added ...

Solid oxide fuel cell with a novel substrate and a method for fabricating the same

Fuel cell stack

Fuel cells

A solid oxide fuel cell, comprising: a ferritic stainless steel substrate 3 including a porous region 7 and a non-porous region 8 bounding the porous region; a ferritic stainless steel bi-polar plate located over one surface of the porous region of the substrate and being sealingly attached to the non-porous region of the substrate about the porous region thereof; a first electrode layer 11 located over the other surface of the porous region of the substrate; an electrolyte layer 13 located over the first electrode layer; and a second electrode layer 17 located over the electrolyte layer.

A novel planar seal-less fuel cell stack

Gas distribution in fuel cells

Fuel cell multi cell layer/welding process

Fuel cell unit

PROCEDURE AND DEVICE FOR THE PRODUCTION OF A GAS CELL PILE

GAS CELL

PROCEDURE FOR MANUFACTURING A SUBSTRATE FOR AN ELECTRODE OF A GAS CELL UNIT AND IN THE PROCEDURE MANUFACTURED SUBSTRATE

STACKABLE HOCHTEMPERATURDBRENNSTOFFZELLE

MODULAR DEVELOPING HIGH TEMPERATURE GAS CELL SYSTEM

GAS CELL

Fuel cell system and method for heating a fuel cell system

Die vorliegende Erfindung betrifft ein Brennstoffzellensystem (1a; 1b), aufweisend eine Brennstoffzelle (2) mit einem Anodenabschnitt (3) und einem Kathodenabschnitt (4), einen Anodengaswärmetauscher (5) mit einer kalten Seite (6) zum Leiten von Anodenzuführgas zum Anodenabschnitt (3) und einer heißen Seite (7) zum Aufheizen des Anodenzuführgases durch Anodenabgas aus dem Anodenabschnitt (3) und/oder Kathodenabgas aus dem Kathodenabschnitt (4), einen Kathodengaswärmetauscher (8) mit einer kalten Seite (9) zum Zuführen von Kathodenzuführgas zum Kathodenabschnitt (4) und einer heißen Seite (10) zum Aufheizen des Kathodenzuführgases durch Kathodenabgas aus dem Kathodenabschnitt (4), wobei die heiße Seite (7) des Anodengaswärmetauschers (5) und/oder die heiße Seite (10) des Kathodengaswärmetauschers (8) jeweils einen Katalysator (27, 28) aufweisen. Ferner betrifft die Erfindung ein Verfahren zum Aufheizen eines erfindungsgemäßen Brennstoffzellensystems (1a) sowie die Verwendung eines erfindungsgemäßen ...

GAS CELL

FIXED OXIDE GAS CELL FRAMEWORK AND MANUFACTURING PROCESS

GAS CELL PILE

Stack-assembled fuel cell system

Die Erfindung betrifft ein Brennstoffzellensystem (1), insbesondere ein SOFC-System, wobei das Brennstoffzellensystem (1) stapelartig aufgebaut ist, umfassend zumindest einen Brennstoffzellenstapel (2) mit einem Kathodenabschnitt (3) und einem Anodenabschnitt (4), zumindest eine Endplatte (5) und zumindest eine Gasverarbeitungsplatte (7), wobei der Brennstoffzellenstapel (2) zumindest bereichsweise über der Endplatte (5) angeordnet ist, dadurch gekennzeichnet, dass zumindest eine Zwischenplatte (6) vorgesehen ist, wobei die Zwischenplatte (6) zumindest bereichsweise über der Gasverarbeitungsplatte (7) und die Endplatte (5) zumindest bereichsweise über der Zwischenplatte (6) angeordnet ist. Weiter betrifft die Erfindung eine Verwendung eines solchen Brennstoffzellensystems (1).

CONTACT ARRANGEMENT AND PROCEDURE FOR ADDING A GAS CELL PILE FROM AT LEAST A CONTACT ARRANGEMENT

REACTOR AND MANUFACTURING PROCESS FOR IT

REPETITION UNIT FOR A GAS CELL PILE

FESTOXIDBRENNSTOFFZELLENSYSTEME MIT WÄRMETAUSCHERN

PRODUCTION OF A HIGH TEMPERATURE GAS CELL PILE

GAS CELL AND GAS CELL PILE

SYSTEM FOR THE DELIVERY OF TOO MUCH PRODUCTION ELECTRICITY OUTSIDE AN ELECTRICAL VEHICLE

BATTERY WITH MINIATURIZED SOFCBRENNSTOFFZELLEN

GAS CELL PILE WITH COMPLETELY ON THE INSIDE ARRANGED MAIN SEWERS

GAS CELL PILE FOR ULTRAHIGH-EFFICIENT CURRENT SUPPLY SYSTEMS

RADIAL PLATTENFÖRMIGER GAS CELL PILE WITH CELEBRATIONS ELECTROLYTES

FIXED OXIDE GAS CELLS WITH SPECIFIC ELECTRODE LAYERS

PROCEDURE AND DEVICE FOR THE PRODUCTION OF A GAS CELL PILE

PROCEDURE AND DEVICE FOR THE PRODUCTION OF A GAS CELL PILE

PROCEDURE AND DEVICE FOR THE PRODUCTION OF A GAS CELL PILE

PROCEDURE AND DEVICE FOR THE PRODUCTION OF A GAS CELL PILE

PROCEDURE AND DEVICE FOR THE PRODUCTION OF A GAS CELL PILE

PROCEDURE AND DEVICE FOR THE PRODUCTION OF A GAS CELL PILE

SOLID ELECTROLYTE FUEL CELL

Stack supported solid oxide fuel cell

Compression assembly, solid oxide fuel cell stack, a process for compression of the solid oxide fuel cell stack and its use

A SOFC stack having a high temperature bonded ceramic interconnect and method for making same

Solid oxid fuel cell device comprising an elongated substrate with a hot and a cold portion

The invention provides a solid oxide fuel cell device and a fuel cell system incorporating a plurality of the fuel devices, each device including an elongate substrate having a reaction zone in a first portion of the length for heating to an operating reaction temperature and at least one cold zone in a second portion of the length that remains at a low temperature below the operating reaction temperature when the reaction zone is heated. In one embodiment, an electrolyte is disposed between an anode and a cathode in the reaction zone, and the anode and cathode each have an electrical pathway extending to an exterior surface of the at least one cold zone for electrical connection at low temperature. According to another embodiment, the length of the elongate substrate is the greatest dimension such that the elongate substrate has a coefficient of thermal expansion having only one dominant axis that is coextensive with the length. According to yet another embodiment, fuel and/or air supplies ...

Fuel cell device with varied active area sizes

Fuel cell system with interconnect

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.

A method of producing a multilayer barrier structure

Abstract The present invention provides a method of producing a multilayer barrier structure for a solid oxide cell stack, comprising the steps of: 5 - providing a metal interconnect, wherein the metal interconnect is a ferritic stainless steel layer; - applying a first metal oxide layer on said metal interconnect; - applying a second metal oxide layer on top of said first metal oxide layer; wherein said second metal oxide layer comprises a mixture of metal oxides 10 having at least two different metal cations, or a mixture of metal oxides having at least two different metal cations and a transition metal oxide; and - reacting the metal oxide in said first metal oxide layer with the metal of said metal interconnect during the SOC-stack initialisation, 15 and a solid oxide stack comprising an anode contact layer and support structure, an an ode layer, an electrolyte layer, a cathode layer, a cathode contact layer, a metallic inter connect, and a multilayer barrier structure which is obtainable ...

Fuel cell system with interconnect

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.

Composite membranes and electrochemical cells containing them

Unit cell of flat solid electrolytic fuel battery and cell stack comprising the same

Ceramic composite electrolytic device

SOLID OXIDE FUEL CELL

This solid oxide fuel cell comprises: a fuel cell unit wherein a fuel electrode, a solid electrolyte, and an air electrode have been layered sequentially; a collection assist layer layered on the air electrode side of the fuel cell unit; a plurality of air flow-paths disposed on the air electrode side; and a plurality of fuel gas flow-paths disposed on the fuel electrode side. The air flow-paths and the fuel gas flow-paths extend in the same direction in an orthogonal direction to the fuel cell unit layering direction, and are each formed by being partitioned by the collection assist layer or a collector that is fixed on the fuel electrode side of the fuel cell unit. The collector on the air electrode side is fixed onto the collection assist layer at a first fixing portion extending in the air flow-path extending direction, and the collector on the fuel electrode side is fixed onto the fuel electrode side of the fuel cell unit at a second fixing portion extending in the fuel gas flow-path ...

SOLID OXIDE FUEL CELL UNIT

The present invention relates to an improved metal supported solid oxide fuel cell unit, fuel cell stacks, fuel cell stack assemblies, and methods of manufacture.

FUEL CELL STACK AND SEALING FOR A FUEL CELL STACK AND PRODUCTION METHODS FOR SUCH DEVICES

The invention relates to a seal (10) for gas-tight connection of two elem ents (12) of a fuel cell stack, having an electrically non-conductive spacin g component (16) and having at least one soldered component (18) which is so lid or viscous over its entire extent at the operating temperature of the fu el cell stack and couples the spacing component (16) to at least one of the elements of the fuel cell stack to be connected, in a gas-tight manner. The invention provides for the spacing component (16) to be composed of ceramic. The invention also relates to a fuel cell stack in which, according to the invention, a force flow which compresses the fuel cell stack in the axial di rection from the distance component (16) acts directly on at least one of th e elements (12) to be connected. The invention also relates to a method for producing seals (10) and a fuel cell stack.

FUEL CELL STACK AND FUEL CELL MODULE

The fuel cell stack according to one aspect of the present invention has a plurality of manifolds passing through a plurality of fuel cells in the stacking direction, and circulating a fuel gas or an oxidant gas. As the manifolds, the stack has cold gas manifolds for introducing the fuel gas or the oxidant gas into the fuel cell stack from the outside, hot gas manifolds for discharging the fuel gas or the oxidant gas from the fuel cells, and heat-exchanged gas manifolds for circulating heat-exchanged gas having undergone heat exchange in a heat exchange unit. Further, the cold gas manifolds are adjacent to the hot gas manifolds, and the hot gas manifolds are not adjacent to other hot gas manifolds.

GAS INLET FOR SOEC UNIT

Multiple gas inlet or outlets for a SOC unit is provided by stacked layers with cut outs for gas channels which overlap.

STACK STRUCTURE FOR PLANAR SOLID OXIDE FUEL CELL AND SYSTEM FOR SOLID OXIDE FUEL CELL

The present specification discloses a stacked structure of a plate type solid oxide fuel cell, the stacked structure being provided with at least one stack in which at least two cells, each having an anode, a solid electrolyte, and a cathode, are stacked with a separator therebetween. Said at least one stack is provided with an anode gas passage for supplying anode gas to the anode, a cathode gas passage for supplying cathode gas to the cathode, and a cooling gas passage separated from the cathode gas passage, wherein the cooling gas passage is configured to supply cooling gas to at least one of the surfaces facing each other in the stacking direction of the cells in said at least one stack.

FUEL CELL STACK FOR ENHANCED HYBRID POWER SYSTEMS

A fuel cell stack for enhanced hybrid power systems, comprising first (2) and second (3) conductive end plates with contact terminals (4); a plurality of fuel cells (7) configured to be connected in series and stacked between the conductive end plates (2, 3); at least one conductive middle plate (6, 6') with at least one contact terminal (11, 11'), each conductive middle plate (6, 6') being configured to be stacked between adjacent fuel cells (7). The contact terminals (11, 11') may comprise conductive tabs (11) protruding from the fuel cell stack (1). The invention also refers to a hybrid power system comprising a battery (50), a fuel cell stack (1) and a control unit (70) configured to select an operating voltage of the fuel cell stack (1) when the hybrid power system (90) is feeding a load (60). The operating voltage is obtained from the contact terminals (4, 11, 11') of the conductive middle plate (6, 6') and conductive end plates (2, 3) depending on the values of the voltages (V1, ...

SOLID OXIDE FUEL CELL

This solid oxide fuel cell comprises: a plate-shaped cell (1) having a structure wherein a fuel electrode (4), a solid electrolyte (5), and an air electrode (6) are layered over a metal support body (3); and collectors (2) layered in such a manner as to sandwich both surfaces of the cell (1). The collectors (2) are respectively in contact with both surfaces of the cell (1). The cell (1) has a deformation inducing portion (10, 20, 30) deforming more readily than other portions of the cell (1), such that, when the cell (1) is to deform concomitantly to heat expansion, the cell 1 is readily deformable with the deformation inducing portion (10, 20, 30) serving as a base point.

FUEL CELL STACK ARRANGEMENT

The present invention is concerned with improved fuel cell stack assembly arrangements.

CELL MATERIALS VARIATION IN SOFC STACKS TO ADDRESS THERMAL GRADIENTS IN ALL PLANES

A solid oxide fuel cell having a plurality of planar layered fuel cell units, an electrically conductive flow separator plate disposed between each of the fuel cell units, and a cathode contact material element disposed between each cathode electrode of the fuel cell units and each electrically conductive flow separator plate. The cathodes of the individual fuel cell units are modified such that the operating temperatures of the cathodes are matched with the temperatures they experience based upon their locations in the fuel cell stack. The modification involves adding to the cathode contact material and/or cathode at least one alloying agent which modifies the temperature of the cathode electrodes based upon the location of the cathode electrodes within the fuel cell stack. These alloying agents react with a component of the cathode electrode to form alloys.

FUEL CELL STACK

This fuel cell is provided with a first block having a first number of cells, a first fuel supply path through which a fuel gas is supplied to the first block, an accumulation flow path where fuel gas which has passed through the first block is accumulated, a second block which has a second number of cells less than the first number of cells, a second fuel supply path which supplies to the second block the fuel gas that has accumulated in the accumulation flow path, and an exhaust flow path which discharges the fuel gas that has passed through the second block, wherein the first fuel supply path, the first block, the accumulation flow path, the second fuel supply path, the second block, and the exhaust flow path are arranged in that order along the direction of flow of the fuel gas, and, downstream of the accumulation flow path and upstream of the second fuel supply path, a narrowing part capable of limiting the fuel gas is provided which is smaller than the flow path diameter of a first ...

CELL FOR SOLID OXIDE FUEL BATTERY

Disclosed is a cell for a solid oxide fuel battery, comprising a Cr-containing alloy or the like and an air electrode joined to each other, which can satisfactorily suppress the occurrence of Cr poisoning of the air electrode and can suppress the progress of a Cr depletion-derived oxidation degradation of the alloy and the like. The cell for a solid oxide fuel battery comprises a Cr-containing alloy or oxide (1) and an air electrode (31) joined to each other. A film containing a spinel-type oxide comprising a first single oxide having an equilibrium dissociation oxygen partial pressure at 750°C of 1.83 × 10-20 to 3.44 × 10-13 atm and a second single oxide having a lower equilibrium dissociation oxygen partial pressure at 750°C than the first single oxide is provided on a surface of the alloy or oxide (1).

SOLID OXIDE FUEL CELL APPARATUS

... [Means for Solution] A solid oxide fuel cell apparatus including a fuel cell having a plate-shaped first solid electrolyte, an anode provided on one side of the first solid electrolyte and coming in contact with fuel gas, and a cathode provided on the other side of the first solid electrolyte and coming in contact with oxidizer gas. The solid oxide fuel cell apparatus further includes a cell-follow-up deformation member located on at least one of opposite sides of the fuel cell with respect to a first stacking direction along which the anode, the first solid electrolyte, and the cathode are stacked together. The cell-follow-up deformation member deforms according to a deformation of the fuel cell on the basis of at least one of physical quantities including differential thermal expansion coefficient and differential pressure.

FUEL CELL SYSTEM WITH INTERCONNECT

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.

FUEL CELL, AND FUEL CELL STACK

Provided is a fuel cell capable of continuously exhibiting excellent electrical connectivity even when subjected to long-term use. Also provided is a fuel stack. A fuel cell (3) provided with a pair of interconnectors (12, 13) (hereinafter referred to as IC), a cell main body (20) which is positioned between the ICs and in which an air electrode (14) and a fuel electrode (15) are formed on both surfaces of an electrolyte (2), and collector members (18, 19) which are disposed between at least one of the electrodes (14, 15) and the ICs and which electrically connect the air electrode (14) and/or the fuel electrode (15) with the ICs, wherein: a connector contact part (19a) which comes into contact with IC (13), a cell main body contact part (19b) which comes into contact with the cell main body (20), and a connection part (19c) which connects the contact parts and which is bent approximately 180 degrees are continuously formed on collector member (19); irregularities (19e) having a ten-point ...

THERMALLY ENHANCED COMPACT REFORMER

A natural gas reformer (10) comprising a stack of thermally conducting plates (12) interspersed with catalyst plates (14) and provided with internal or external manifolds for reactants. The catalyst plate is in intimate thermal contact with the conducting plates so that its temperature closely tracks the temperature of the thermally conducting plate, which can be designed to attain a near isothermal state in-plane to the plate. One or more catalysts may be used, distributed along the flow direction, in-plane to the thermally conducting plate, in a variety of optional embodiments. The reformer may be operated as a steam reformer or as a partial oxidation reformer. When operated as a steam reformer, thermal energy for the (endothermic) steam reforming reaction is provided externally by radiation and/or conduction to the thermally conducting plates. This produces carbon monoxide, hydrogen, steam and carbon dioxide. When operated as a partial oxidation reformer, a fraction of the natural gas ...

PRESSURIZED, INTEGRATED ELECTROCHEMICAL CONVERTER ENERGY SYSTEM

An electrochemical converter is disposed within a pressure vessel that collects hot exhaust gases generated by the converter for delivery to a cogeneration bottoming device, such as a gas turbine. The bottoming device extracts energy from the waste heat generated by the converter, such as a fuel cell for the generation of electricity, yielding an improved efficiency energy system. Bottoming devices can include, for example, a gas turbine system or a heating, ventilation or cooling (HVAC) system. The pressure vessel can include a heat exchanger, such as a cooling jacket, for cooling the pressure vessel and/or preheating an input reactant to the electrochemical converter prior to introduction of the reactant to the converter. In one embodiment, a compressor of a gas turbine system assembly draws an input reactant through the pressure vessel heat exchanger and delivers the reactant under pressure to a fuel cell enclosed therein. Pressurized and heated fuel cell exhaust gases are collected ...

Pile électrique à combustibles

Brennstoffbatterie

Batterie aus in Reihe geschalteten Brennstoffzellen mit Festelektrolyt

Batterie aus Brennstoffzellen mit Festelektrolyt

GAS CELL ARRANGEMENT FROM A PILE OF PLATTENFOERMIGER OF CERAMIC HIGH TEMPERATURE GAS CELLS WITH SOLID ELECTROLYTES.

In a device with a plurality of high-temperature fuel cells connected in parallel for converting the chemical energy of a fuel to electrical energy, perfectly uniform transfer of current from one fuel cell to an adjacent fuel cell must be ensured while preventing cross-currents in the electrodes. The gaseous media are conveyed to and from the electrodes so as to maintain the operating temperature attained as uniform as possible over the entire surface of the electrodes. To this end, the oxygen electrode (2) consists of SrO-doped Mn oxides with a Cr surface coating (4) and the fuel electrode (3) consists of Ni/ZrO2 cermet with an Ni surface coating (5); the separating plate (6) is a hollow body which conducts, distributes and collects gaseous media; and a highly elastic structural component in the form of a gas-permeable intermediate layer (11) which acts as a high-temperature spring is located between the separating plate (6) and the current collectors (12, 13).

ARRANGEMENT OF A MULTIPLICITY TO A PILE OF ASSEMBLING FLAT, EVEN HIGH TEMPERATURE GAS CELLS.

IMPERVIOUS CONNECTION SYSTEM HIGH TEMPERATURE SOLID OXIDE A STACK WITH THE SOFC/SOEC TYPE OF

L'objet principal de l'invention est un système de couplage (30) étanche à haute température d'un empilement (20) à oxydes solides de type SOEC/SOFC, caractérisé en ce qu'il comporte : une embase (31) creuse filetée, destinée à être fixée sur un tube d'entrée/sortie (12) de gaz, comportant un orifice de mise en communication fluidique avec le tube d'entrée/sortie (12) ; une embase (33) creuse lisse, destinée à être fixée sur un tube d'entrée/sortie (52) de gaz de l'empilement (20), comportant un orifice de mise en communication fluidique avec le tube d'entrée/sortie (52), l'embase lisse (33) et l'embase filetée (31) comportant des orifices pour leur mise en communication fluidique ; un écrou fileté (32), coopérant avec l'embase filetée (31) pour former un système vis/écrou et coulissant par rapport à l'embase lisse (33), comprenant une première portion filetée et une deuxième portion lisse en contact coulissant avec l'embase lisse (33).

레독스 흐름 전지용 스택 융착 장치

... 레독스 흐름 전지용 스택 융착 장치가 개시된다. 개시된 레독스 흐름 전지용 스택 융착 장치는 징크-브로민 흐름전지의 전극 플로우 프레임과 멤브레인 플로우 프레임으로 이루어진 단위 셀들을 진동 융착하여 스택을 구성하기 위한 것으로서, ⅰ)적어도 하나의 단위 셀을 지지하며, 상하 방향으로 이동 가능하게 설치되는 하부 다이와, ⅱ)하부 다이의 상측에서 그 하부 다이가 상승함에 따라 단위 셀을 가압하는 상부 다이와, ⅲ)상부 다이에 진동을 가하여 단위 셀을 진동 융착시키는 진동원을 포함하며, 하부 다이 및 상부 다이의 상호 대응하는 베이스에는 다수 개로 분할되어 그 베이스에 고정되는 분할판들이 설치되고, 적어도 하나의 분할판과 베이스 사이에는 단위 셀의 두께 편차를 조절하기 위한 두께조절 박판이 설치될 수 있다.

Large Scale Stacks of Flat Tube Type Solid Oxide Fuel Cells and their Manufacturing Methods

FRAME FOR SOLID OXIDE FUEL CELL, METHOD FOR MANUFACTURING SAME, SOLID OXIDE FUEL CELL STACK COMPRISING SAME AND METHOD FOR MANUFACTURING SAME

Compression casing for a fuel cell stack and a method for manufacturing a compression casing for a fuel cell stack

A fuel cell or electrolysis cell stack has force distribution members with one planar and one convex shape applied to at least its top and bottom face and in one embodiment further to two of its side faces. A compressed mat and further a rigid fixing collar surrounds the stack and force distribution members, whereby the stack is submitted to a compression force on at least the top and bottom face and potentially also to two side faces. The assembly is substantially gas tight in an axial direction of the primarily oval or circular shape and can be fitted with gas tight end plates to form robust gas inlet and outlet manifolds.

Fuel cell arrangement

A fuel cell arrangement ( 1 ) comprising a number of fuel cell stacks ( 2 ) formed by planar fuel cells, the stacks being arranged one after the other, each of which being provided with a gas connection for the inlet and exhaust flows of the gas of the anode and the cathode side. The fuel cell stacks ( 2 ) are arranged together positioned over a fastening plane element ( 3 ) by means of an end piece ( 5 ) and the fastening plane element ( 3 ) and tie bars ( 6 ) connecting them. The gas connection comprises anode and cathode side conduits arranged on the first surface ( 2.1 ) of each fuel cell stack. The arrangement comprises at least two consecutive fuel cell stacks ( 2 ) the anode and cathode side conduits of which are in connection with a common inlet and collector piece ( 4.1, 4.2 ) located between the said two consecutive fuel cell stacks ( 2 ) against the said first surfaces.

Fuel cell stack with combined flow patterns in a fuel cell stack or an electrolysis cell stack

A cell stack comprising a plurality of fuel cells or electrolysis cells has a combination of flow patterns between anode gas and cathode gas internally in each of the cells and between the cells relative to each other such that cathode and anode gas internally in a cell flows in either co-flow, counter-flow or cross-flow and further that anode and cathode gas flow in one cell has co-flow, counter-flow or cross-flow relative to the anode and cathode gas flow in adjacent cells.

Flow arrangement for fuel cell stacks

A method of operating a fuel cell apparatus that comprises at least first and second groups of fuel cell stacks includes heating cathode gas supplied from a cathode gas inlet to cathode parts of the first group of fuel cell stacks by passing the cathode gas in heat exchange relationship with cathode exhaust gas being removed from at least one group of fuel cell stacks, and supplying cathode gas to the cathode parts of the second group of fuel cell stacks from a location upstream of a location at which the cathode gas being supplied to the cathode parts of the first group of fuel cell stacks is heated.

Solid oxide fuel cell

Provided is an SOFC, including a fuel electrode ( 20 ), a thin-plate-like interconnector ( 30 ) provided on the fuel electrode and formed of a conductive ceramics material, and a conductive film ( 70 ) formed on a surface of the interconnector ( 30 ) opposite to the fuel electrode ( 20 ). The conductive film ( 70 ) is formed of an N-type semiconductor (e.g., LaNiO 3 ). The N-type semiconductor generally has the property of exhibiting a smaller conductivity (a current hardly flows) at higher temperature. Therefore, a portion with a higher current density (thus, a portion with higher temperature) in the conductive film ( 70 ) in the vicinity of the interconnector ( 30 ) has a smaller conductivity (a current hardly flows). By virtue of this action, even though a “fluctuation in current density of a current flowing through the interconnector ( 30 ) and an area in the vicinity thereof” occurs for some reasons, the fluctuation can be suppressed.

Fuel Cell Bypass Diode Structures and Attachment Methods

A fuel cell system includes a fuel cell stack which includes a plurality of fuel cells contacted in series by a plurality of interconnects. The various embodiments provide systems and methods for coupling a fuel cell stack with an electric bypass module within a hot zone. The bypass module may include elements for conducting a current between interconnects in a fuel cell stack and thereby bypass a failed fuel cell that has become a resistive parasitic load.

Solid oxide fuel cell

A solid oxide fuel cell includes unit cells, a first side plate and a second side plate respectively attached to opposite lateral surfaces of the unit cells, and a first electricity collector and a second electricity collector arranged between the unit cells. Each of the unit cells includes a support body block. The support body block includes a first surface, a second surface parallel to the first surface, a plurality of first channels and a plurality of second channels existing between the first channels. Each of the unit cells further includes air electrodes formed on inner surfaces of the first channels, fuel electrodes formed on inner surfaces of the second channels, a first electricity collecting layer formed on the first surface and electrically connected to the air electrodes and a second electricity collecting layer formed on the second surface and electrically connected to the fuel electrodes.

Solid oxide cell stack and method for preparing same

A method for producing and reactivating a solid oxide cell stack structure by providing a catalyst precursor in at least one of the electrode layers by impregnation and subsequent drying after the stack has been assembled and initiated. Due to a significantly improved performance and an unexpected voltage improvement this solid oxide cell stack structure is particularly suitable for use in solid oxide fuel cell (SOFC) and solid oxide electrolysing cell (SOEC) applications.

Fuel cell system and operation method thereof

A fuel cell system may be capable of reducing an adverse influence which acts on a fuel cell at the time of restarting the fuel cell after emergency shutdown of operation of the fuel cell. A fuel cell system includes a fuel cell, a fuel gas supply unit, an oxygen-containing gas supply unit, a storage unit that stores whether shutdown of operation of the fuel cell is normal shutdown or emergency shutdown, and a control unit that controls at least the fuel gas supply unit and the oxygen-containing gas supply unit. The control unit, in emergency shutdown, controls the fuel gas supply unit at a time of restarting the fuel cell after the shutdown of the fuel cell so as to reduce an amount of fuel gas supplied to the fuel cell to be less than that at a time of restarting the fuel cell after normal shutdown.

Fuel cell components having porous electrodes

An SOFC component includes a first electrode, an electrolyte overlying the first electrode, and a second electrode overlying the electrolyte. The second electrode includes a bulk layer portion and a functional layer portion, the functional layer portion being an interfacial layer extending between the electrolyte and the bulk layer portion of the second electrode, wherein the bulk layer portion has a bimodal pore size distribution.

Solid oxide fuel cell stack

A method of manufacturing a solid oxide fuel cell stack, including alternately disposing a plurality of single fuel cells, and a plurality of interconnectors disposed alternately and holding the alternately disposed plurality of single fuel cells and plurality of interconnectors between a pair of end members, forming a space between a first end member and a first interconnector, disposing a junction member composed of an elastic member and an electrically conductive member in the space, and urging a portion of an electrically conductive member and another portion of the electrically member against the first end member and the first interconnector so that a total thickness of the portion of the electrically conductive member, the another portion of the electrically conductive member, and the elastic member prior to being disposed in the space between the first end member and the first interconnector is greater than a height of the space.

Fuel cell

A solid oxide fuel cell includes a cell stack, a reformed gas introduction path introducing a reformed gas into the cell stack, an oxidizing agent gas introduction path introducing an oxidizing agent gas into the cell stack, and a cooling gas introduction path introducing a cooling gas into the oxidizing agent gas introduction path. A heat-absorption part absorbing heat is provided in a periphery of the cell stack, and the cooling gas introduction path is connected with the oxidizing agent gas introduction path through the heat-absorption part.

Method of preparation and application for glass ceramic sealing thin strips

A method of preparation and application for a glass ceramic sealing thin strip with high sealing performance, differing from using conventional glass ceramic packaging paste applied to the junction of the cell stack assembly and connecting plates. The glass ceramic sealing thin strip of present invention utilizes tape casting to produce a single layer or multi-layer stacking in accordance with the required thickness of the glass-ceramic sealing thin strip, and cutting the glass ceramic sealing thin strips from molds in accordance with the geometry of cell stacks with equal thickness of the glass ceramic sealing thin strip for SOFC cell stack assembly, aiming to overcome the setbacks of the conventional dispensing method with glass ceramic packaging paste that makes the thickness difficult to control, and to effectively improve sealing performance of the cell stack assembly and the power generation efficiency, and achieve commercial application with mass production. 1. A method for manufacturing a glass ceramic sealing thin strip , comprising the steps of:selecting a glass ceramic powder having sealing properties,adjusting the glass ceramic powder into a slurry and preparing a green tape substrate through tape casting molding process, wherein the slurry ingredient comprises essentially of sealing glass ceramic powder, organic solvent, dispersant, pore former and binding agent,laminating a thin glass ceramic green tape of the glass ceramic sealing thin strip to form the glass ceramic sealing thin strip through a process of thermal lamination and water pressure equalization;preparing a size of the glass ceramic sealing thin strip in conformance with the size of a SOFC cell;cutting the glass ceramic sealing thin strip into a single sheet thin strip kit for sealing the SOFC cell stack through a molding process in conformance with the geometry of the SOFC cell stack assembly, wherein the sealing strips are punched into various shapes through the molding process, including ...

METHOD AND ARRANGEMENT FOR DISTRIBUTING REACTANTS INTO AN ELECTROLYZER CELL

An input reactant flow guiding arrangement for a solid oxide electrolyzer cell includes a flow distribution area and a flow outlet area, each on the flow field plate. The arrangement guides input reactant flow to the flow distribution area from sides of the electrolyzer cell, and turns at least one of the input reactant feed flow and the input reactant outlet flow to equalize flow distribution on an electrolyte element. A reactant flow adjusting structure with flow restriction orifices has at least one geometrical shape for adjusting homogenously at least one of the input reactant feed flow and input reactant outlet flow over an electrolyte element based on a flow functional effect of the at least one geometrical shape of the flow adjusting structure, the flow adjusting structure having flow restriction orifices of definable height and a gasket structure having at least partly an elliptical shape. 1. An input reactant flow guiding arrangement for a solid oxide electrolyzer cell , the cell having an input reactant side , an oxygen rich side , and an electrolyte element between the input reactant side and the oxygen rich side , wherein the input reactant flow guiding arrangement comprises:a flow field plate for each cell to arrange air flow on a first side of the flow field plate and fuel flow on a second side of flow field plate;a flow distribution area on the flow field plate;a flow outlet area on the flow field plate;means for guiding input reactant flow to the flow distribution area from sides of the electrolyzer cell;means for turning at least one of the input reactant feed flow on the flow distribution area and input reactant outlet flow on the flow outlet area in order to equalize flow distribution on an electrolyte element; anda reactant flow adjusting structure with flow restriction orifices having at least one geometrical shape for adjusting homogenously at least one of the input reactant feed flow and input reactant outlet flow over an electrolyte element ...

FUNCTIONALIZED, POROUS GAS CONDUCTION PART FOR ELECTROCHEMICAL MODULE

A porous or at least sectionally porous gas conduction part is provided for an electrochemical module. The electrochemical module has at least one electrochemical cell unit having a layer construction with at least one electrochemically active layer, and a metallic, gastight housing which forms a gastight process gas space with the electrochemical cell unit. The housing extends on at least one side beyond the region of the electrochemical cell unit, and forms a process gas conduction space open to the electrochemical cell unit, and in the region of the process gas conduction space has at least one gas passage opening for the supply and/or removal of the process gases. The gas conduction part here is adapted for arrangement within the process gas conduction space and its surface is functionalized for interaction with the process gas. 120-. (canceled)21. A porous or at least sectionally porous gas conduction part for an electrochemical module , the electrochemical module containing at least one electrochemical cell unit having a layer construction with at least one electrochemically active layer , and a metallic , gastight housing forming a gastight process gas space with the electrochemical cell unit , wherein on at least one side the metallic , gastight housing extending beyond a region of the electrochemical cell unit , and forms a process gas conduction space open to the electrochemical cell unit , and in a region of the process gas conduction space having at least one gas passage opening for a supply and/or removal of process gases , the gas conduction part comprising:a gas conduction part body being adapted for arrangement within the process gas conduction space and a surface of the gas conduction part body being functionalized for interaction with a process gas.22. The gas conduction part according to claim 21 , wherein said gas conduction part body is configured as a separate component from the electrochemical cell unit.23. The gas conduction part according to ...

Interconnector material, intercellular separation structure, and solid electrolyte fuel cell

Provided is an interconnector material which is chemically stable in both oxidation atmospheres and reduction atmospheres, has a high electron conductivity (electric conductivity), a low ionic conductivity, does not contain Cr, and enables a reduction in sintering temperature. The interconnector material is arranged between a plurality of cells each composed of an anode layer, a solid electrolyte layer, and a cathode layer stacked sequentially, and electrically connects the plurality of cells to each other in series in a solid electrolyte fuel cell. The interconnector is formed of a ceramic composition represented by the composition formula La(Fe 1-x Al x )O 3 in which 0<x<0.5.

Electrochemical Element, Electrochemical Module, Electrochemical Device, Energy System, Solid Oxide Fuel Cell and Manufacturing Method for Electrochemical Element

Provided are an electrochemical element and the like that have both durability and high performance as well as excellent reliability. The electrochemical element includes a metal support, and an electrode layer formed on/over the metal support. The metal support is made of any one of a Fe—Cr based alloy that contains Ti in an amount of 0.15 mass % or more and 1.0 mass % or less, a Fe—Cr based alloy that contains Zr in an amount of 0.15 mass % or more and 1.0 mass % or less, and a Fe—Cr based alloy that contains Ti and Zr, a total content of Ti and Zr being 0.15 mass % or more and 1.0 mass % or less.

METHOD AND APPARATUS FOR DETECTING DAMAGE IN FUEL CELL STACKS, AND ADJUSTING OPERATIONAL CHARACTERISTICS IN FUEL CELL SYSTEMS

A method and apparatus for detecting oxidation in at least one planar fuel cell stack that includes a multitude of cells is described. The height of the stack is measured to determine if there has been an increase from a previously-measured height. Such an increase correlates with the oxidation of at least some of the planar cells. In some cases, the fuel flow rate or airflow rate to each fuel cell stack can be adjusted, based in part on the oxidation detection technique. A power delivery system with at least two fuel cell stacks is also described, and it includes a stack height-measurement system, a health monitor for the fuel cell stacks, and a load balancer or airflow regulator. 117.-. (canceled)18. An apparatus for detecting oxidation in at least one planar fuel cell stack , comprising:a multitude of fuel cells, anda measuring mechanism for measuring the height of a fuel cell, wherein the measuring mechanism is attached to or in communication with the fuel cell stack, wherein an increase in the height of the fuel cell from a previously measured height correlates to oxidation in at least one of the multitude of fuel cells of the fuel cell stack.19. The apparatus of claim 18 , wherein the measuring mechanism is a spring mechanism comprising a spring.20. The apparatus of claim 18 , wherein the measuring mechanism for measuring the height of the fuel cell stack is a load cell.21. The apparatus of claim 18 , wherein the measuring mechanism for measuring the height of the fuel cell stack is a position sensor.22. A power delivery system that contains at least two fuel cell stacks claim 18 , wherein each fuel cell stack contains a fuel cell stack measurement apparatus of wherein the increase in height of the fuel cell stack indicates oxidation of cells within the fuel cell stack that results in an out-of-specification fuel cell stack that would adversely affect operation of the power delivery system;said power delivery system further comprising:(a) a health monitor to ...

Metal Support-Type Fuel Cell and Fuel Cell Module

A metal support-type fuel cell that has a configuration in which a fuel cell element is supported by a metal support, and is capable of reasonably and effectively utilizing an internal reforming reaction even when an anode layer provided in the fuel cell element has a thickness of several tens of micron order is obtained. A fuel cell element is formed in a thin layer shape on a metal support, an internal reforming catalyst layer for producing hydrogen from a raw fuel gas by a steam reforming reaction is provided in a cell unit, and an internal reformed fuel supply path for discharging steam generated by a power generation reaction from an anode layer to lead the steam to the internal reforming catalyst layer, and leading the produced hydrogen to the anode layer is provided. 1. A metal support-type fuel cell configured as a fuel cell single unit comprising:a fuel cell element in which an anode layer and a cathode layer are formed with an electrolyte layer interposed therebetween, a reducing gas supply path for supplying a gas containing hydrogen to the anode layer, and an oxidizing gas supply path for supplying a gas containing oxygen to the cathode layer,the fuel cell element is formed in a thin layer shape on a metal support,an internal reforming catalyst layer for producing hydrogen from a raw fuel gas by a steam reforming reaction is provided in the fuel cell single unit, andan internal reformed fuel supply path for discharging steam generated by a power generation reaction from the anode layer to lead the steam to the internal reforming catalyst layer, and leading hydrogen produced in the internal reforming catalyst layer to the anode layer.2. The metal support-type fuel cell according to claim 1 ,wherein a plurality of through-holes penetrating the metal support are provided,the anode layer is provided on one surface of the metal support, the reducing gas supply path is provided along another surface of the metal support, and the internal reforming catalyst ...

FUEL CELL STACK

In a fuel cell stack (), a connection region SR in which a protrusion () of a current collecting plate () and a second output terminal () are electrically connected is formed within a belt-like range, namely, a connectable range SKH, between a first tangential line L tangential to the circumference of one through hole () and a second tangential line L tangential to the circumference of the other through hole (). Therefore, since the flow of electric current generated in the fuel cell stack () is unlikely to be obstructed by the through holes (), electric current is easily supplied to the second output terminal () from a current collecting section () of the current collecting plate () through the protrusion (). As a result, a voltage loss is small, thereby improving the performance of the fuel cell stack (). 1. A fuel cell stack comprising:an electricity generation unit including a single fuel cell having an anode, a cathode, and a solid electrolyte, anda current collecting plate for collecting, through a current collector, electricity generated by the single fuel cell,a plurality of the electricity generation units being disposed continuously, and the current collecting plate being disposed in a first direction in which the electricity generation units are continuous with one another,the fuel cell stack being characterized in thatas viewed from the first direction,the current collecting plate has a current collecting section disposed in a region in which the electricity generation units lie on top of one another, and a protrusion protruding from the current collecting section;the current collecting section has a current collecting area in which the current collector is disposed, and a plurality of through holes including a first through hole and a second through hole located adjacent to each other;the protrusion has a connection region to which an output terminal for outputting electricity generated in the fuel cell stack from the fuel cell stack is connected; ...

Fuel cell

The invention relates to metal supported solid oxide fuel cells (SOFC), fuel cell stacks containing the same, methods of their manufacture and use thereof. The SOFC of the invention utilises an extended electrolyte and barrier layers to prevent specific types of corrosion of the metal substrate. This new coating approach reduces the rate of degradation of the fuel cells and improves system reliability when operated over long durations.

FLAT PLATE TYPE FUEL CELL

A planar fuel cell apparatus (), as viewed in a stacking direction, includes a first rectilinear line which connects a centroid Cfi of fuel gas inlets and a centroid Cfo of fuel gas outlets, and a second rectilinear line which connects a centroid Cai of oxidizer gas inlets and a centroid Cao of oxidizer gas outlets cross each other. The planar fuel cell apparatus employs cross-flow design in which a fuel gas flow channel and an oxidizer gas flow channel cross each other. In the planar fuel cell apparatus of the cross-flow design, as viewed in the stacking direction, the centroid Cao of the oxidizer gas outlets is located closer to the centroid Cfi of the fuel gas inlets than to the centroid Cfo of the fuel gas outlets. 1. A planar fuel cell apparatus comprising:a single fuel cell having an anode layer, a cathode layer, and a solid electrolyte layer sandwiched therebetween;a fuel gas chamber disposed on an anode layer side;an oxidizer gas chamber disposed on a cathode layer side;one or a plurality of fuel gas inlets through which fuel gas flows into the fuel gas chamber, and one or a plurality of fuel gas outlets through which the fuel gas flows out from the fuel gas chamber; andone or a plurality of oxidizer gas inlets through which oxidizer gas flows into the oxidizer gas chamber, and one or a plurality of oxidizer gas outlets through which the oxidizer gas flows out from the oxidizer gas chamber,the planar fuel cell apparatus being characterized in that, as viewed in a stacking direction,a first rectilinear line which connects a centroid Cfi of the fuel gas inlet(s) and a centroid Cfo of the fuel gas outlet(s), and a second rectilinear line which connects a centroid Cai of the oxidizer gas inlet(s) and a centroid Cao of the oxidizer gas outlet(s) cross each other, andthe centroid Cao of the oxidizer gas outlet(s) is located closer to the centroid Cfi of the fuel gas inlet(s) than to the centroid Cfo of the fuel gas outlet(s).2. A planar fuel cell apparatus ...

FUEL CELL STACK CONTAINING EXTERNAL ELECTRODE FOR CORROSION MITIGATION

A method of operating a fuel cell system includes providing a fuel cell stack containing a plurality of fuel cells and interconnects, and first and second ceramic side baffles located on opposing sides of the fuel cell stack, and applying an electrical potential to an outer surface of at least one of the first and the second ceramic side baffles, such that the electrical potential is equal to or more negative than a lowest potential of any interconnect in the fuel cell stack or electrically conductive fuel cell stack or column component. 1. A method of operating a fuel cell system , comprising:providing a fuel cell stack comprising a plurality of fuel cells and interconnects, and first and second ceramic side baffles located on opposing sides of the fuel cell stack; andapplying an electrical potential to an outer surface of at least one of the first and the second ceramic side baffles, wherein the electrical potential is equal to or more negative than a lowest potential of any interconnect in the fuel cell stack or an electrically conductive fuel cell stack or column component.2. The method of claim 1 , wherein:at least one external electrode is located on the outer surface of at least one of the first or second ceramic side baffles; andthe electrical potential is provided to the at least one of the first and the second ceramic side baffles through the at least one external electrode.3. The method of claim 2 , wherein:the at least one external electrode is located on outer surfaces of both the first and second ceramic side baffles; andthe electrical potential is provided to both the first and the second ceramic side baffles through the at least one external electrode.4. The method of claim 3 , wherein:the at least one external electrode is electrically connected to an external power supply;the at least one external electrode is not electrically connected to the fuel cell stack; andthe electrical potential is more negative than the lowest potential of any of the ...

Solid oxide fuel cell device

A fuel cell device having an exterior surface defining an interior ceramic support structure. An active zone is along an intermediate portion of the length for undergoing a fuel cell reaction, and opposing non-active end regions are along end portions extending away from the active zone without being heated. Fuel and oxidizer passages extend within the interior support structure from respective first and second inlets in respective ones of the opposing non-active end regions. The active zone has an anode associated with each of the fuel passages and a cathode associated with each of the oxidizer passages in opposing relation to a respective one of the anodes with an electrolyte therebetween. The opposing non-active end regions lack the anode and cathode in opposing relation so as to be incapable of undergoing a fuel cell reaction.

Solid oxide fuel cell device

A fuel cell device with a rectangular solid ceramic substrate extending in length between first and second end surfaces where thermal expansion occurs primarily along the length. An active structure internal to the exterior surface extends along only a first portion of the length and has an anode, cathode and electrolyte therebetween. The first portion is heated to generate a fuel cell reaction. A remaining portion of the length is a non-heated, non-active section lacking opposing anode and cathode where heat dissipates along the remaining portion away from the first portion. A second portion of the length in the remaining portion is distanced away from the first portion such that its exterior surface is at low temperature when the first portion is heated. The anode and cathode have electrical pathways extending from the internal active structure to the exterior surface in the second portion for electrical connection at low temperature.

Fuel cell electrode interconnect contact material encapsulation and method

A fuel cell stack includes a plurality of fuel cell cassettes each including a fuel cell with an anode and a cathode. Each fuel cell cassette also includes an electrode interconnect adjacent to the anode or the cathode for providing electrical communication between an adjacent fuel cell cassette and the anode or the cathode. The interconnect includes a plurality of electrode interconnect protrusions defining a flow passage along the anode or the cathode for communicating oxidant or fuel to the anode or the cathode. An electrically conductive material is disposed between at least one of the electrode interconnect protrusions and the anode or the cathode in order to provide a stable electrical contact between the electrode interconnect and the anode or cathode. An encapsulating arrangement segregates the electrically conductive material from the flow passage thereby, preventing volatilization of the electrically conductive material in use of the fuel cell stack.

FUEL CELL MODULE

There is provided a fuel cell module comprising a fuel cell, a fuel cell auxiliary machine, and a module case configured to place the fuel cell and the fuel cell auxiliary machine therein. The module case comprises a first space in which the fuel cell is placed and a second space in which the fuel cell auxiliary machine is placed. The first space and the second space adjoin to each other via a partition plate. The partition plate includes a communicating hole that connects the first space and the second space and that is formed in an opening shape having a side or a diameter that is smaller than a width of a gap between the fuel cell and the partition plate. 1. A fuel cell module , comprising:a fuel cell;a fuel cell auxiliary machine; anda module case configured to place the fuel cell and the fuel cell auxiliary machine therein, the module case comprising a partition plate, a first space in which the fuel cell is placed and a second space in which the fuel cell auxiliary machine is placed, wherein the first space and the second space adjoin to each other via the partition plate, whereinthe partition plate includes a communicating hole that connects the first space and the second space and that is formed in an opening shape having a side or a diameter that is smaller than a width of a gap between the fuel cell and the partition plate.2. The fuel cell module according to claim 1 , further comprising:a heat conductor provided on at least part of an inner wall of the communicating hole and made of a material having a higher thermal conductivity than a thermal conductivity of a material used to form the partition plate.3. The fuel cell module according to claim 1 ,wherein a protrusion is provided on at least one surface of the partition plate such as to surround the communicating hole and form part of an inner wall of the communicating hole, andthe communicating hole has a depth that is greater than a plate thickness of the partition plate. The present application claims ...

Manifold and cell stack device

A manifold includes first and second manifold main bodies. The first manifold main body includes a gas supply chamber that is connected to a first gas channel, and the second manifold main body includes a gas collection chamber that is connected to a second gas channel. The first manifold main body includes a first top plate, a first bottom plate, and a first side plate. The first top plate includes a first through hole for connecting the first gas channel and the gas supply chamber. The second manifold main body includes a second top plate, a second bottom plate, and a second side plate. The second top plate includes a second through hole for connecting the second gas channel and the gas collection chamber. The first bottom plate and the second bottom plate are constituted by members that are separate from each other.

Solid oxide fuel cell stack design

A device comprising a first solid oxide fuel cell and a second solid oxide fuel cell. The first solid oxide fuel cell comprises a first anode, a first cathode and a first electrolyte, wherein the first electrolyte is positioned between and connected to the first anode and the first cathode. The second solid oxide fuel cell comprises a second anode, a second cathode and a second electrolyte, wherein the second electrolyte is positioned between and connected to the second anode and the second cathode. In this device the cathode distance between the first cathode and the second cathode is less than the anode distance between the first anode and the second anode.

Reduced-temperature sintering of spinel-type coatings and layers with metallic alloy powder precursors

A method of forming a spinel coating on a substrate is disclosed including the steps of coating at least a portion of the substrate with a precursor including an alloy powder, and sintering the precursor at a temperature of less than 1000 degrees Celsius to form the spinel coating. The alloy powder used for the precursor can include particles having a particle size of less than 10 micrometers. The method can be utilized to form spinel coatings as contact surfaces between electrodes and interconnects of solid oxide fuel cell (SOFC) stacks.

COMPACT HIGH TEMPERATURE ELECTROCHEMICAL CELL STACK ARCHITECTURE

An electrochemical cell unit comprises a first electrochemical cell comprising a first oxidant electrode and a first fuel electrode, and a second electrochemical cell comprising a second oxidant electrode and a second fuel electrode. An interconnect interposed between the first electrochemical cell and the second electrochemical cell. The interconnect comprises an interconnect main body defining a longitudinal channel along a longitudinal axis thereof. The interconnect main body includes a plurality of corrugations defining a plurality of fuel channels on a first surface of the interconnect main body facing the first electrochemical cell, and a plurality of oxidant channels on a second surface of the interconnect main body facing the second electrochemical cell. Each of the plurality of fuel channels and the plurality of oxidant channel positioned around the longitudinal channel. 1. A electrochemical cell unit comprising:a first electrochemical cell comprising a first oxidant electrode and a first fuel electrode;a second electrochemical cell comprising a second oxidant electrode and a second fuel electrode; andan interconnect interposed between the first electrochemical cell and the second electrochemical cell, the interconnect comprising an interconnect main body defining a longitudinal channel along a longitudinal axis thereof, the interconnect main body including a plurality of corrugations defining a plurality of fuel channels on a first surface of the interconnect main body facing the first electrochemical cell, and a plurality of oxidant channels on a second surface of the interconnect main body facing the second electrochemical cell, each of the plurality of fuel channels and the plurality of oxidant channel positioned around the longitudinal channel.2. The electrochemical cell unit of claim 1 , wherein a fuel channel base of each of the plurality of fuel channels electrically contacts the second oxidant electrode claim 1 , and an oxidant channel base of each ...

SOLID-STATE ELECTROCHEMICAL DEVICES HAVING COATED COMPONENTS

In various embodiments, components such as interconnects and/or endplates of a solid-state electrochemical device are coated with materials such as, for example, graphite, copper, aluminum, carbide ceramics, nitride ceramics, conversion coatings, or aluminum intermetallics. 1. A solid oxide fuel cell device comprising:a bottom endplate;a top endplate; a cell comprising (i) a cathode, (ii) a solid ceramic electrolyte, and (iii) an anode for producing electricity through oxidation and reduction reactions involving a fuel and an oxygen source,', 'a solid, electrically conductive interconnect plate for conducting electrical current from the cell, and', 'disposed between the interconnect plate and the cell at least at a periphery of the repeat unit, a seal for reducing gas leakage from the repeat unit, wherein the interconnect plate and the cell are electrically insulated from each other at the seal; and, 'disposed between the top and bottom endplates, a plurality of repeat units each comprisinga coating disposed on at least one of the interconnect plate, the bottom endplate, or the top endplate, the coating comprising at least one of graphite, copper, aluminum, a carbide ceramic, a nitride ceramic, a conversion coating, or an aluminum intermetallic.2. The device of claim 1 , wherein the interconnect plate is a terminal interconnect plate.3. The device of claim 1 , wherein the coating is a cladding.4. The device of claim 1 , wherein the coating comprises a plurality of layers claim 1 , at least a first one of the layers comprising a nitride ceramic and at least a second one of the layers comprising a metal.5. The device of claim 4 , wherein the metal comprises aluminum.6. The device of claim 1 , wherein the repeat units are electrically connected in series.7. The device of claim 1 , wherein the seal comprises graphite.8. The device of claim 1 , wherein the interconnect plate comprises stainless steel or a nickel-based superalloy.9. The device of claim 1 , wherein the ...

Fuel cell interconnect

A fuel cell interconnect includes a first side containing a first plurality of channels and a second side containing a second plurality of channels. The first and second sides are disposed on opposite sides of the interconnect. The first plurality of channels are configured to provide a serpentine fuel flow field while the second plurality of channels are configured to provide an approximately straight air flow field.

ELECTROCHEMICAL DEVICE

A fuel cell device includes an electrochemical cell , an oxidizer gas supply portion , and a contaminant trap portion . An oxidizer gas supply portion has an oxidizer gas supply port for supplying an oxidizer gas to the cathode . A contaminant trap portion is disposed on a portion of the cathode on the side with the oxidizer gas supply port and exhibits oxygen ion conductivity and electron conductivity. 1. An electrochemical device comprising:an electrochemical cell having an anode, a cathode exhibiting oxygen ion conductivity and electron conductivity, and a solid electrolyte layer disposed between the anode and the cathode active portion;an oxidizer gas supply portion having an oxidizer gas supply port for supplying an oxidizer gas to the cathode; anda contaminant trap portion disposed on a portion of the cathode on the side with the oxidizer gas supply port and exhibiting oxygen ion conductivity and electron conductivity.2. An electrochemical device comprising:an electrochemical cell having an anode, a cathode exhibiting oxygen ion conductivity and electron conductivity, and a solid electrolyte layer that is disposed between the anode and the cathode;an oxidizer gas discharge portion having an oxidizer gas discharge port for discharging an oxidizer gas that was supplied to the cathode; anda contaminant trap portion disposed on a portion of the cathode on the side with the oxidizer gas discharge port and exhibiting oxygen ion conductivity and electron conductivity. The present invention relates to an electrochemical device.Typically, a solid oxide fuel cell includes a solid electrolyte layer disposed between an anode and a cathode. During operation of the solid oxide fuel cell, the anode is supplied with a fuel gas (for example, hydrogen gas), and the cathode is supplied with an oxidizer gas (for example, air).Japanese Patent Application Laid-Open No. 2015-090788 discloses a method of placing a contaminant trap portion between an oxidizer gas supply port and the ...

ELECTROCHEMICAL DEVICE

A fuel cell 1 has an anode 20, a cathode active portion 60 that exhibits oxygen ion conductivity and electron conductivity, a cathode current collecting portion 70 that is disposed on the cathode active portion 60 and that exhibits a higher electron conductivity than the cathode active portion 60, and a contaminant trap portion 80 that is disposed on the cathode current collecting portion 70 and exhibits oxygen ion conductivity and electron conductivity. 1. An electrochemical cell comprising:an anode;a cathode active portion exhibiting oxygen ion conductivity and electron conductivity;a solid electrolyte layer disposed between the anode and the cathode active portion;a cathode current collecting portion disposed on the cathode active portion and exhibiting a higher electron conductivity than the cathode active portion; anda contaminant trap portion disposed on the cathode current collecting portion and exhibiting oxygen ion conductivity and electron conductivity.2. An electrochemical device comprising:an electrochemical cell; anda manifold supporting a base end of the electrochemical cell; andthe electrochemical cell having a support substrate exhibiting insulating properties and including a gas flow passage in an inner portion, and a plurality of power generating elements disposed on the support substrate, and a base end side power generation element closest to the base end of the plurality of power generating elements including, an anode, a cathode active portion exhibiting oxygen ion conductivity and electron conductivity, a solid electrolyte layer disposed between the anode and the cathode active portion, a cathode current collecting portion disposed on the cathode active portion and exhibiting a higher electron conductivity than the cathode active portion, and a contaminant trap portion disposed on the cathode current collecting portion and exhibiting oxygen ion conductivity and electron conductivity. The present invention relates to an electrochemical cell and ...

CELL MATERIALS VARIATION IN SOFC STACKS TO ADDRESS THERMAL GRADIENTS IN ALL PLANES

A solid oxide fuel cell having a plurality of planar layered fuel cell units, an electrically conductive flow separator plate disposed between each of the fuel cell units, and a cathode contact material element disposed between each cathode electrode of the fuel cell units and each electrically conductive flow separator plate. The cathodes of the individual fuel cell units are modified such that the operating temperatures of the cathodes are matched with the temperatures they experience based upon their locations in the fuel cell stack. The modification involves adding to the cathode contact material and/or cathode at least one alloying agent which modifies the temperature of the cathode electrodes based upon the location of the cathode electrodes within the fuel cell stack. These alloying agents react with a component of the cathode electrode to form alloys. 120.-. (canceled)21. A fuel cell stack comprising:a plurality of planar layered fuel cell units, each fuel cell unit comprising a solid electrolyte sandwiched between an anode electrode and a cathode electrode;wherein each cathode electrode comprises Pd and an alloying agent, the alloying agent being a material selected from the group consisting of Au, Ag, Pt, Cr, Nb, a mixture thereof, and an alloy thereof.22. The fuel cell stack of claim 21 , wherein a concentration of the alloying agent is such that claim 21 , when the alloying agent reacts with a material of the cathode electrodes to form an alloy claim 21 , a concentration of the alloying agent in said alloy is in a range of 1 to 65 wt %.23. The fuel cell stack of claim 21 , wherein a concentration of the alloying is such that claim 21 , when the alloying agent reacts with a material of the cathode electrodes to form an alloy claim 21 , a concentration of the alloying agent in said alloy is in a range of 1 to 50 wt %.24. The fuel cell stack of claim 21 , wherein a concentration of the alloying agent in a first of the cathode electrodes is different than a ...

FUEL CELL UNIT AND FUEL CELL STACK

A metal-supported, SOEC or SOFC fuel cell unit () comprising a separator plate () and metal support plate () with chemistry layers () overlie one another to form a repeat unit, at least one plate having flanged perimeter features () formed by pressing the plate, the plates being directly adjoined at the flanged perimeter features to form a fluid volume () between them and each having at least one fluid port (), wherein the ports are aligned and communicate with the fluid volume, and at least one of the plates has pressed shaped port features () formed around its port extending towards the other plate and including elements spaced from one another to define fluid pathways to enable passage of fluid from the port to the fluid volume. Raised members () may receive a gasket (), act as a hard stop or act as a seal bearing surface. 1. A metal-supported solid oxide fuel cell unit comprising:a separator plate; anda metal support plate carrying fuel cell chemistry layers provided over a porous region;the separator plate and the metal support plate overlying one another to form a repeat unit;wherein:at least one of the separator plate and the metal support plate comprises flanged perimeter features formed by pressing the plate to a concave configuration;the separator plate and the metal support plate are directly adjoined at the flanged perimeter features to form a fluid volume therebetween;at least one fluid port is provided in each of the separator plate and the metal support plate within the flanged perimeter features, the respective fluid ports being aligned and in communication with the fluid volume; andat least one of the separator plate and the metal support plate is provided with shaped port features formed around its port by pressing, which shaped port features extend towards the other plate, and elements of the shaped port features are spaced from one another to define fluid pathways between the elements from the port to enable passage of fluid from the port to the ...

FUEL CELL STACK ASSEMBLY AND METHOD OF OPERATING THE SAME

A fuel cell stack assembly and method of operating the same are provided. The assembly includes a fuel cell stack column and side baffles disposed on opposing sides of the column. The side baffles and the fuel cell stack may have substantially the same coefficient of thermal expansion at room temperature. The side baffles may have a laminate structure in which one or more channels are formed. 1. A fuel cell stack assembly comprising:a fuel cell stack column; andside baffles disposed on opposing sides of the column, wherein,the side baffles have a first coefficient of thermal expansion (CTE) at room temperature,the column has a second CTE at room temperature, andthe first CTE is within +/−20% of the second CTE.2. The fuel cell stack assembly of claim 1 , wherein:the side baffles each comprise first and second baffle plates that are connected to one another at edges thereof and have substantially the same size and shape;the first baffle plates have a third CTE at room temperature that is greater than the second CTE; andthe second baffle plates have a fourth CTE at room temperature that is less than the second CTE.3. The fuel cell stack assembly of claim 2 , wherein the average of the third CTE and the fourth CTE is substantially equal to the second CTE.4. The fuel cell stack assembly of claim 2 , wherein the first baffle plates and the second baffle plates comprise different ceramic materials.5. The fuel cell stack assembly of claim 1 , wherein:the side baffles each comprise first and second baffle plates that are connected to one another at edges thereof and that have different lengths;the first baffle plates have a third CTE at room temperature that is greater than the second CTE; andthe second baffle plates have a fourth CTE at room temperature that is less than the second CTE.6. The fuel cell stack assembly of claim 5 , wherein the average of the third CTE and the fourth CTE is not substantially equal to the second CTE.7. The fuel cell stack assembly of claim 5 , ...

Interconnect with Microchannels and Method of Making

The present invention is an interconnect for an electrochemical reactor that includes at least one microchannel. The at least one microchannel has a cross-sectional area orthogonal to a flow path and where the cross-sectional area is no greater than 1 mm2. Preferably, the microchannel has a planar projection area PPAc and the interconnect has a planar projection area PPAi, wherein the ratio of PPAc/PPAi is in the range of 0.2-0.8, or 0.3-0.7, or 0.4-0.6, or 0.45-0.55.

Compact Electrochemical Reactors

Herein disclosed is an electrochemical reactor comprising at least one unit, wherein the unit comprises an interconnect, an anode, a cathode, an electrolyte between the anode and the cathode and wherein the unit has a thickness of no greater than 1 mm. Disclosed also herein is an electrochemical reactor comprising an anode no greater than 50 microns in thickness, a cathode no greater than 50 microns in thickness, and an electrolyte no greater than 10 microns in thickness, wherein the electrolyte is between the anode and the cathode. 1. An electrochemical reactor comprising at least one unit , wherein the unit comprises an interconnect , an anode , a cathode , an electrolyte between the anode and the cathode and wherein the unit has a thickness of no greater than 1 mm.2. The reactor of claim 1 , wherein the unit has a thickness of no greater than 500 microns.3. The reactor of claim 1 , wherein the unit has a thickness of no greater than 100 microns.4. The reactor of claim 1 , wherein the at least one unit comprises at least one barrier layer between the electrolyte and either the anode or the cathode.5. The reactor of claim 1 , wherein the unit is planar.6. The reactor of claim 1 , wherein the reactor is selected from the group consisting of a solid oxide fuel cell claim 1 , a solid oxide fuel cell stack claim 1 , an electrochemical gas producer claim 1 , an electrochemical compressor claim 1 , a solid state battery claim 1 , and a solid oxide flow battery.7. The reactor of claim 1 , wherein the electrolyte is an oxide-ion-conducting electrolyte.8. The reactor of claim 1 , wherein multiple units are stacked in the reactor such that electrical current flow is perpendicular to the electrolyte in the lateral direction.9. The reactor of claim 1 , wherein said interconnect comprises no fluid dispersing element.10. The reactor of claim 1 , wherein said anode or cathode or both comprise fluid dispersing components or fluid channels.11. An electrochemical reactor comprising ...

ENERGY CONVERSION DEVICE AND METHOD OF FORMING THE SAME

Various embodiments may provide a method of forming an energy conversion device. The method may include forming an electrolyte layer on the first surface of the semiconductor substrate. The method may also include forming a cavity on the second surface of the semiconductor substrate using a deep reactive ion etch. The method may further include enlarging said cavity by carrying out one or more wet etches so that the enlarged cavity is at least partially defined by a vertical arrangement comprising a first lateral cavity surface of the semiconductor substrate extending substantially along a first direction, and a second lateral cavity surface of the semiconductor substrate adjoining the first lateral cavity surface. The method may include forming a first electrode on a first surface of the electrolyte layer, and forming a second electrode on a second surface of the electrolyte layer. 1. A method of forming an energy conversion device , the method comprising:forming an electrolyte layer on a first surface of a semiconductor substrate that also includes a second surface opposite the first surface;forming a cavity at the second surface of the semiconductor substrate using a deep reactive ion etch;enlarging said cavity by carrying out one or more wet etches so that the enlarged cavity is at least partially defined by a vertical arrangement comprising a first lateral cavity surface of the semiconductor substrate extending substantially along a first direction, and a second lateral cavity surface of the semiconductor substrate adjoining the first lateral cavity surface, the second lateral cavity extending substantially along a second direction different from the first direction;forming a first electrode on a first surface of the electrolyte layer; andforming a second electrode on a second surface of the electrolyte layer.2. The method according to claim 1 , wherein the second lateral cavity surface extends at an angle selected from a range of about 3° to about 4° from the ...

Fuel Cell System

A fuel cell system has a cell 1, generating power, with a fuel electrode 1a, an air electrode 1b, and an electrolyte 1c. A water vapor retention member 11 is disposed on a communication path for the fuel gas supplied to the fuel electrode 1a. The retention member 11 retains water vapor, generated by the fuel electrode 1a along with power generation by using the cell 1 and mixes the water vapor with the fuel gas. The retention member 11 has a reforming catalyst that enables the hydrogen, generated by reacting the fuel gas, to be supplied. Exhaust ports 13a exhaust fuel gas toward positions on a surface of the water vapor retention member 11.

Interconnect for fuel cell stack

A metal interconnect for a fuel cell stack is formed from an electrically conductive metal sheet having at least four stamped slots through the metal sheet, and often many more than four slots. The stamped slots individually extend lengthwise parallel to the direction of fluid flow during operation of the fuel cell stack assembly and are disposed on the metal sheet in a pattern extending parallel and perpendicular to the direction of fluid flow, so as to define at least one metal strip portion between adjacent slots extending parallel to the direction of fluid flow and at least one metal strip portion between adjacent slots extending perpendicular to the direction of fluid flow. The metal strip portion(s) include portions of reduced thickness that allow for fluid flow between adjacent slots and portions of greater thickness that provide discrete locations of electrical connection between the separator plate fuel cell electrode.

SOLID OXIDE FUEL CELL

A solid oxide fuel cell includes a plate-shaped cell with a structure in which a fuel electrode, a solid electrolyte, and an air electrode are stacked on a metal support, and current collectors which are stacked to sandwich both sides of the cell. The current collectors are in contact with both sides of the cell. The cell includes deformation guides which are easy to deform compared to other part of the cell. When the cell deforms due to thermal expansion, the cell is allowed to easily deform around the deformation guides. 17.-. (canceled)8. A solid oxide fuel cell comprising:a plate-shaped cell with a structure in which a fuel electrode, a solid electrolyte, and an air electrode are stacked on a metal support;a first current collector which includes a plurality of first contact portions in contact with the cell in a direction perpendicular to a stacking direction of the cell, anda second current collector which is located on an opposite side of the cell to the first current collector and which includes a plurality of second contact portions in contact with the cell in the direction perpendicular to the stacking direction of the cell, whereinthe plurality of first contact portions and the plurality of second contact portions all have an overlapping region in the stacking direction of the cell, andthe metal support includes a deformation guide which is easy to deform compared to other constituents of the metal support.9. The solid oxide fuel cell according to claim 8 , whereinthe deformation guide extends linearly.10. The solid oxide fuel cell according to claim 9 , whereinthe deformation guides are disposed in pairs while sandwiching each of the first contact portions.11. The solid oxide fuel cell according to claim 10 , whereineach of the deformation guides is disposed at an intermediate position between adjacent two of the first contact portions.12. The solid oxide fuel cell according to claim 8 , whereinthe deformation guide includes a thin-thickness portion ...

SOLID OXIDE FUEL CELL

A solid oxide fuel cell includes a metal support which is formed from a porous metal substrate and which supports a power generation cell. The metal support includes a power generating area (GA) in which the power generation cell is disposed, and a buffer area (BA) which is formed on an outer side of the power generating area (GA) in an in-plane direction. A pore in the metal support in the buffer area (BA) is filled with a material with a thermal conductivity lower than that of a formation material of the metal support. 1. A solid oxide fuel cell comprising:a metal support which is formed from a porous metal substrate and which supports a power generation cell, whereinthe metal support includes a power generating area in which the power generation cell is disposed, and a buffer area which is formed on an outer side of the power generating area in an in-plane direction, anda pore in the metal support in the buffer area is filled with a material with a thermal conductivity lower than that of a formation material of the metal support.2. The solid oxide fuel cell according to claim 1 , whereinthe metal support in the buffer area is formed into a dense layer which does not allow permeation of gas in a thickness direction.3. The solid oxide fuel cell according to claim 2 , whereina gas is made to flow in a flow path space next to the buffer area, the gas having the same temperature as a gas made to flow in a flow path space next to the power generating area.4. The solid oxide fuel cell according to claim 1 , whereina pore diameter of the metal support in a boundary neighborhood portion of the buffer area adjacent to the power generating area is smaller than a pore diameter of the metal support in the power generating area. The present invention relates to a solid oxide fuel cell.A fuel cell is a device which converts scientific energy to electrical energy through an electrochemical reaction (see, for example, Patent Literature 1). A solid oxide fuel cell, which is a ...

FUEL CELL STACK INCLUDING WITNESS MARKS AND INSPECTION METHOD THEREOF

A fuel cell stack and inspection method, the fuel cell stack including fuel cells disposed in a stack and interconnects disposed between the fuel cells. Each fuel cell includes an electrolyte, an anode disposed on a first side of the electrolyte, a cathode disposed on an opposing second side of an electrolyte, and a witness mark disposed on the first side of the electrolyte. Each interconnect includes first ribs disposed on air side of the interconnect and at least partially defining oxidant channels, and second ribs disposed on an opposing fuel side of the interconnect and at least partially defining fuel channels. The witness mark of each fuel cell is visible from outside of the stack when the cathode directly faces the air side of an adjacent interconnect. 1. A fuel cell stack comprising: an electrolyte;', 'an anode disposed on a first side of the electrolyte;', 'a cathode disposed on an opposing second side of an electrolyte; and', 'a witness mark disposed on the first side of the electrolyte; and, 'fuel cells disposed in a stack, each fuel cell comprising first ribs disposed on an air side of the interconnect and at least partially defining oxidant channels; and', 'second ribs disposed on an opposing fuel side of the interconnect and at least partially defining fuel channels,, 'interconnects disposed between the fuel cells, each interconnect comprisingwherein the witness mark of each fuel cell is visible from outside of the stack when the cathode directly faces the air side of an adjacent interconnect.2. The stack of claim 1 , wherein the witness mark of each fuel cell is not visible from the outside of the stack when the cathode of the fuel cell directly faces the fuel side of an adjacent interconnect.3. The stack of claim 1 , wherein the witness mark of each fuel cell is disposed on an edge of the electrolyte and is not covered by the cathode.4. The stack of claim 1 , wherein:the witness mark of each fuel cell is formed by depositing an ink that is stable at ...

Fuel cell device and system

A fuel cell device is provided having an active central portion with an anode, a cathode, and an electrolyte therebetween. At least three elongate portions extend from the active central portion, each having a length substantially greater than a width transverse thereto such that the elongate portions each have a coefficient of thermal expansion having a dominant axis that is coextensive with its length. A fuel passage extends from a fuel inlet in a first elongate portion into the active central portion in association with the anode, and an oxidizer passage extends from an oxidizer inlet in a second elongate portion into the active central portion in association with the cathode. A gas passage extends between an opening in the third elongate portion and the active central portion. For example, the passage in the third elongate portion may be an exhaust passage for the spent fuel and/or oxidizer gasses.

Fuel cell stack assembly-compression system

A system and method for assembling and compressing a fuel cell stack. The system and method include a fuel cell stack housing with a plurality of side walls that create an enclosure that is open on two opposing ends, at least one channel formed on an inner side wall surface, and a first end structural frame that is affixed to one of the open ends of the housing, the first end structural frame including at least one tooling opening through a planar surface. The system and method further include tooling that passes through the at least one tooling opening of the first end structural frame and that extends up through the housing to the open end of the housing, the tooling capable of moving down incrementally while fuel cell stack components are being loaded into the housing through the open end that is opposite to the first end structural frame.

Manufacturing method of fuel cell and gas separator for fuel cell

There is a need to improve the positioning accuracy in stacking gas separators. A guide section 58 provided in a fuel cell manufacturing apparatus 50 has first and second guide members 52 arranged to be parallel to each other and away from each other in a horizontal direction and extended in a stacking direction of the gas separators. The gas separator has first and second engagement elements 28 provided at corresponding positions to the first and the second guide members 52 to have a concave and/or convex shape formed along its outer periphery. A manufacturing method of a fuel cell includes a stacking step of stacking a plurality of members including gas separators by engaging the first engagement element with the first guide member and engaging the second engagement element with the second guide member. The gas separators stacked by the stacking step satisfy such a configuration that a first support location of the first engagement element and a second support location of the second engagement element are arranged at positions away from each other across a center of gravity of the gas separator and that the center of gravity is located in a lower area in a direction of gravity below a straight line of connecting the first support location with the second support location on a stacking surface of the gas separator.

FLAT PLATE-SHAPED SOLID OXIDE FUEL CELL AND CELL MODULE COMPRISING SAME

The present specification relates a solid oxide fuel cell. Specifically, the present specification relates to a solid oxide fuel cell consecutively provided with a fuel electrode, an electrolyte layer and an air electrode. 1. A flat plate-shaped solid oxide fuel cell comprising:a porous ceramic support;a fuel electrode provided on the porous ceramic support;an electrolyte layer provided on the fuel electrode;an air electrode provided on the electrolyte layer; anda fuel electrode current collector connected to the fuel electrode and provided while being extended in a direction opposite to a direction provided with the air electrode based on the porous ceramic support.2. The flat plate-shaped solid oxide fuel cell of claim 1 , wherein at least a part of an edge part of the fuel electrode is provided while being extended to a surface of the porous ceramic support in a direction opposite to a direction provided with the air electrode based on the porous ceramic support; andthe fuel electrode current collector and the part of the fuel electrode provided while being extended to a surface of the porous ceramic support in a direction opposite to a direction provided with the air electrode based on the porous ceramic support are connected.3. The flat plate-shaped solid oxide fuel cell of claim 1 , further comprising an air electrode current collector connected to the air electrode and provided while being extended in a direction opposite to a direction provided with the electrolyte layer based on the air electrode.4. The flat plate-shaped solid oxide fuel cell of claim 1 , wherein the porous ceramic support includes at least one oxide of Mg claim 1 , Ca claim 1 , Y claim 1 , Al and Zr.5. The flat plate-shaped solid oxide fuel cell of claim 1 , wherein the porous ceramic support includes at least one oxide of MgO claim 1 , MgAlO claim 1 , CaO claim 1 , YO claim 1 , AlOand ZrO.6. The flat plate-shaped solid oxide fuel cell of claim 1 , wherein a thickness of the porous ceramic ...

Fuel cell stack

A fuel cell stack includes a fuel cell, a first gas flow path, a second gas flow path, a pressing member, and a cell supporting member. The first gas flow path is provided on a first cell surface side of the fuel cell. The second gas flow path is provided on a second cell surface side of the fuel cell. The pressing member is disposed in the first gas flow path, and presses the first cell surface of the fuel cell. The cell supporting member is disposed in the second gas flow path, and supports the second cell surface of the fuel cell that is pressed by the pressing member.

FUEL CELL STACK INCLUDING WITNESS MARKS AND INSPECTION METHOD THEREOF

A fuel cell stack and inspection method, the fuel cell stack including fuel cells disposed in a stack and interconnects disposed between the fuel cells. Each fuel cell includes an electrolyte, an anode disposed on a first side of the electrolyte, a cathode disposed on an opposing second side of an electrolyte, and a witness mark disposed on the first side of the electrolyte. Each interconnect includes first ribs disposed on air side of the interconnect and at least partially defining oxidant channels, and second ribs disposed on an opposing fuel side of the interconnect and at least partially defining fuel channels. The witness mark of each fuel cell is visible from outside of the stack when the cathode directly faces the air side of an adjacent interconnect. 1. A solid oxide fuel cell comprising:a solid oxide electrolyte;a cathode disposed on a first side of the electrolyte;an anode disposed on an opposing second side of the electrolyte; anda witness mark disposed on the electrolyte outside of a perimeter of the cathode.2. The solid oxide fuel cell of claim 1 , wherein the witness mark is disposed on an edge of the electrolyte and is not covered by the cathode.3. The solid oxide fuel cell of claim 1 , wherein:the witness mark is formed by depositing an ink that is stable at a temperature of at least 600° C.; andthe witness mark has a first color and the electrolyte has a different second color.4. The stack of claim 1 , wherein the witness mark comprises at least one notch or cutout formed in an edge the electrolyte.5. A method of forming a fuel cell stack claim 1 , the method comprising:assembling a fuel cell stack comprising fuel cells having witness marks, and interconnects separating the fuel cells;externally inspecting the stack to identify any fuel cells that do not have witness marks that are visible outside of the stack; anddetermining whether any identified fuel cells are inverted or defective.6. The method of claim 5 , wherein when any identified fuel cell ...

FUEL CELL MODULE

There is provided a fuel cell module comprising a fuel cell, a fuel cell auxiliary machine, and a module case configured to place the fuel cell and the fuel cell auxiliary machine therein. The module case comprises a first space in which the fuel cell is placed and a second space in which the fuel cell auxiliary machine is placed. The first space and the second space adjoin to each other via a partition plate. The partition plate includes a communicating hole that connects the first space and the second space and that is formed in an opening shape having a side or a diameter that is smaller than a width of a gap between the fuel cell and the partition plate. 1. A fuel cell module , comprising:a fuel cell;a fuel cell auxiliary machine; anda module case configured to place the fuel cell and the fuel cell auxiliary machine therein, the module case comprising a partition plate, a first space in which the fuel cell is placed and a second space in which the fuel cell auxiliary machine is placed, wherein the first space and the second space adjoin to each other via the partition plate, whereinthe partition plate includes a communicating hole that connects the first space and the second space and that is formed in an opening shape having a side or a diameter that is smaller than a width of a gap between the fuel cell and the partition plate, whereinthe communicating hole faces the fuel cell.2. The fuel cell module according to claim 1 , further comprising:a heat conductor provided on at least part of an inner wall of the communicating hole and made of a material having a higher thermal conductivity than a thermal conductivity of a material used to form the partition plate.3. The fuel cell module according to claim 1 ,wherein a protrusion is provided on at least one surface of the partition plate such as to surround the communicating hole and form part of an inner wall of the communicating hole, andthe communicating hole has a depth that is greater than a plate thickness of ...

Spring member, fuel cell unit, and fuel cell stack

A spring member is used in a fuel cell stack. The spring member includes a planar portion and a spring portion. The planar portion is joined to a separator in a state of surface contact with the separator. The spring portion extends from the planar portion and generates an elastic force for pressing the separator toward a power generation cell by receiving force in a stacking direction of a cell unit and undergoing bending deformation.

FUEL BATTERY CELL AND CELL STACK DEVICE

A cell includes a support substrate that is of a flat plate shape that includes a first principal surface and a second principal surface on an opposite side of the first principal surface and a columnar shape that includes a longitudinal direction and includes a gas flow path in an inside thereof, and a plurality of element parts that are arranged away from one another on the first principal surface and the second principal surface where at least a fuel electrode, a solid electrolyte film, and an air electrode are laminated thereon. The cell includes a first portion that is located on a side of the first principal surface with respect to the gas flow path and a second portion that is located on a side of the second principal surface with respect to the gas flow path. Structures of the first portion and the second portion are asymmetric. 1. A cell , comprising: a first surface;', 'a second surface opposite to the first surface; and', 'a gas flow path between the first surface and the second surface;, 'a support substrate includinga first element part laminated on the first surface, the first element part including at least a first fuel electrode, a first solid electrolyte film, and a first air electrode; anda second element part laminated on the second surface, the second element part including at least a second fuel electrode, a second solid electrolyte film, and a second air electrode, whereina first portion that includes the first element part and a portion of the support substrate that is located on a side of the first surface with respect to the gas flow path is asymmetric to a second portion that includes the second element part and another portion of the support substrate that is located on a side of the second surface with respect to the gas flow path.2. The cell according to claim 1 , whereina total length of a gas flow path wall of the second portion is less than a total length of a gas flow path wall of the first portion, in a cross-sectional view of the ...

Fuel-cell end plate

Provided is a fuel-cell end plate that is disposed at an end, in a stacking direction, of a fuel cell stack formed by stacking members including a single cell. This fuel-cell end plate has, on a surface disposed so as to face the outside of the fuel cell stack, a first rib that extends in a first direction and a second rib that extends in a second direction different from the first direction, intersects the first rib, and is formed so as to be shorter in height than the first rib.

ELECTROCHEMICAL REACTION UNIT AND ELECTROCHEMICAL REACTION CELL STACK

An electrochemical reaction unit including a unit cell including an electrolyte layer, and a cathode and an anode that face each other in a first direction with the electrolyte layer intervening therebetween; and a felt member containing a ceramic material or a metal and a silica component. The felt member has an Si content of 0.9 mass % to 13.2 mass %. Also disclosed is an electrochemical reaction cell stack including a plurality of electrochemical reaction units, at least one of the units being the above-described electrochemical reaction unit. 1. An electrochemical reaction unit comprising:a unit cell including an electrolyte layer, and a cathode and an anode that face each other in a first direction with the electrolyte layer intervening therebetween; anda felt member containing a ceramic material or a metal and a silica component,the electrochemical reaction unit being characterized in that the felt member has an Si content of 0.9 mass % to 13.2 mass %.2. An electrochemical reaction unit according to claim 1 , wherein the felt member is disposed in a gas chamber facing a specific electrode claim 1 , which is at least one of the cathode and the anode.3. An electrochemical reaction unit according to claim 2 , wherein the felt member is disposed in the gas chamber facing the specific electrode to be located at opposite ends of the gas chamber in a direction orthogonal to a main flow direction of a gas.4. An electrochemical reaction unit according to claim 2 , further comprising:a frame member having a hole forming the gas chamber facing the specific electrode; anda current collecting member electrically connected to the specific electrode,wherein the felt member is disposed between an outer surface of the current collecting member and a wall surface of the hole of the frame member in a direction orthogonal to the first direction.5. An electrochemical reaction unit according to claim 1 , wherein the felt member contains alumina as the ceramic material.6. An ...

BIPOLAR PLATE WITH IMPROVED TEMPERATURE DISTRIBUTION

The disclosure relates to a bipolar plate for an electrochemical system, and to an electrochemical system comprising a plurality of bipolar plates. The electrochemical system may be, for example, a fuel cell system, an electrochemical compressor, a redox flow battery, or an electrolyser. The bipolar plate comprising separator plates, an inlet, and an outlet. A separator plate comprising an active region. 1. A bipolar plate for an electrochemical system , comprising:two separator plates;at least one inlet opening for introducing a cooling medium;an outlet opening for discharging the cooling medium; and an active region having first structures for guiding a reaction medium along an outer side of the bipolar plate and second structures for guiding the cooling medium along an inner side of the bipolar plate; and', 'a closed perimeter bead for sealing off at least the active region, the perimeter bead extending around the active region and the outlet opening and defining a bead interior,, 'in at least a first of the separator plates,'}wherein the outlet opening is sealed off with respect to the bead interior of the perimeter bead so that a direct flow of the cooling fluid from the bead interior into the outlet opening is prevented.2. The bipolar plate according to claim 1 , wherein the perimeter bead seals off the outlet opening with respect to the bead interior.3. The bipolar plate according to claim 1 , comprising a first bead arrangement arranged around the outlet opening at least in the first of the two separator plates claim 1 , wherein a part of the bead arrangement that faces towards the perimeter bead and away from the active region seals off the outlet opening with respect to the bead interior.4. The bipolar plate according to claim 1 , wherein the perimeter bead is configured as an outermost sealing element at least along the longitudinal sides of the respective separator plate and in the region of the coolant outlet opening claim 1 , and/orwherein the inlet ...

FUEL CELL DEVICE AND SYSTEM

A fuel cell device is provided having an active central portion with an anode, a cathode, and an electrolyte therebetween. At least three elongate portions extend from the active central portion, each having a length substantially greater than a width transverse thereto such that the elongate portions each have a coefficient of thermal expansion having a dominant axis that is coextensive with its length. A fuel passage extends from a fuel inlet in a first elongate portion into the active central portion in association with the anode, and an oxidizer passage extends from an oxidizer inlet in a second elongate portion into the active central portion in association with the cathode. A gas passage extends between an opening in the third elongate portion and the active central portion. For example, the passage in the third elongate portion may be an exhaust passage for the spent fuel and/or oxidizer gasses. 1. A fuel cell device comprising:an elongate ceramic substrate having an exterior surface, an interior solid ceramic support structure, and a length that is the greatest dimension whereby the elongate ceramic substrate exhibits thermal expansion along a dominant axis that is coextensive with the length, a reaction zone along a first portion of the length configured to be exposed to a heat source to heat the reaction zone to an operating reaction temperature, and at least one cold zone along a second portion of the length configured to be shielded from the heat source to remain at a temperature below the operating reaction temperature when the reaction zone is heated;an electrolyte disposed between a porous anode and a porous cathode in the reaction zone, the electrolyte, anode and cathode extending within the interior solid ceramic support structure, the electrolyte being monolithic with the interior solid ceramic support structure;a fuel passage associated with the porous anode and extending within the interior solid ceramic support structure from the at least one ...

Method of manufacturing a fuel cell stack having an electrically conductive interconnect

A method of manufacturing a solid oxide fuel cell stack having an electrically conductive interconnect, including the steps of: (a) providing a first fuel cell and a second fuel cell, (b) providing a substrate having an iron-chromium alloy, (c) depositing a layer of metallic cobalt over a portion of substrate surface, (d) subjecting the layer of metallic cobalt to reducing conditions, (e) then exposing the remaining portion of the layer of metallic cobalt to oxidizing conditions for a predetermined time and temperature, such that the surface portion of the layer of metallic cobalt is oxidized to cobalt oxide, thereby forming the electrically conductive interconnect having a layer of metallic cobalt sandwiched between a surface layer of cobalt oxide and the layer of cobalt-iron-chromium alloy, and (f) sandwiching the substrate between the first and second fuel cells.

Method for high-temperature electrolysis of steam and another gas, related interconnector, electrolysis reactor and operating methods

A method for high-temperature electrolysis of steam and another gas to be electrolysed, chosen from carbon dioxide and nitrogen dioxide, implemented in an electrolysis reactor includes a stack of elementary electrolysis cells each made of a cathode, an anode and an electrolyte inserted between the cathode and the anode, and a plurality of electric and fluid interconnectors each arranged between two adjacent elementary cells with one of the surfaces thereof in electric contact with the anode of one of the two elementary cells and the other one of the surfaces thereof in electric contact with the cathode of the other one of the two elementary cells. The steam is supplied and distributed to the cathode of one of the two adjacent elementary cells and either carbon dioxide or nitrogen dioxide is supplied and distributed to the cathode of the other one of the two elementary cells.

FUEL CELL MODULE AND FUEL CELL APPARATUS

In accordance with a fuel cell module, a cell stack is housed in a housing including a box and a lid, and the lid is provided with a first gas flow channel through which either one of oxygen containing gas and exhaust gas flows. Therefore, the configuration of the housing can be simplified. Since the lid is provided with the gas flow channel, an accommodation space inside the box can be enlarged, the cell stack can be easily housed inside the housing through an opening, and the fuel cell module can be easily assembled. 1. A fuel cell module , comprising:a housing comprising a box, wherein one side of the box is open, and a lid for closing the one side of the box; anda cell stack, which is housed in an accommodation chamber disposed inside the housing, and in which a plurality of fuel cells, which generate power by use of fuel gas and oxygen containing gas, are disposed and electrically connected together,wherein the lid comprises a first gas flow channel through which flows either one of the oxygen containing gas and exhaust gas which is discharged from the accommodation chamber.2. The fuel cell module according to claim 1 , whereinthe lid further comprises a second gas flow channel disposed adjacent to the first gas flow channel and through which flows the other of the oxygen containing gas and the exhaust gas.3. The fuel cell module according to claim 2 , whereinthe second gas flow channel is located closer to the cell stack than the first gas flow channel, the oxygen containing gas flows in the first gas flow channel, and the exhaust gas flows in the second gas flow channel.4. The fuel cell module according to claim 2 , whereinthe first gas flow channel and the second gas flow channel are located on a box side of the lid.5. The fuel cell module according to claim 4 , whereinthe lid further comprises an introducing portion which introduces the oxygen containing gas from outside and connects with the first gas flow channel.6. The fuel cell module according to claim ...

System for high-temperature tight coupling of a stack having soec/sofc-type solid oxides

A coupling system for high-temperature tight coupling of a stack having SOEC/SOFC-type solid oxides is described. The system includes a threaded hollow connector, a smooth hollow connector, and a threaded nut. The threaded hollow connector includes an opening for establishing fluid communication with a gas inlet/outlet pipe and is intended to be attached to the gas inlet/outlet pipe. The smooth hollow connector includes an opening for establishing fluid communication with a gas inlet/outlet pipe of the stack and is intended to be attached to the inlet/outlet pipe. The threaded nut engages with the threaded hollow connector to form a screw/nut system, slides relative to the smooth hollow connector, and includes a first threaded portion and a second smooth portion in sliding contact with the smooth hollow connector.

ELECTROCHEMICAL ENERGY CONVERSION DEVICES AND CELLS, AND NEGATIVE ELECTRODE-SIDE MATERIALS FOR THEM

An electrochemical energy conversion device comprising a stack of solid oxide electrochemical cells alternating with gas separators , wherein scavenger material selected from one or both of free alkali metal oxygen-containing compounds and free alkaline earth metal oxygen-containing compounds is provided in or on one or more of the negative electrode-side of the cell , the adjacent gas separator and any other structure of the device forming a gas chamber between the cell and the gas separator. The invention also extends to the treated cell 1. An electrochemical energy conversion device comprising a stack of solid oxide electrochemical cells alternating with gas separators , wherein each electrochemical cell comprises a layer of solid oxide electrolyte , a negative electrode-side structure on one side of the electrolyte layer and comprising one or more porous layers including a functional layer of negative electrode material having an interface with the one side of the electrolyte layer , and a positive electrode-side structure on the opposite side of the electrolyte layer and comprising one or more porous layers including a layer of positive electrode material having an interface with the opposite side of the electrolyte layer , wherein said electrochemical cell and a first of the gas separators on the negative electrode side of the electrochemical cell at least partly form therebetween a negative electrode-side chamber and said electrochemical cell and a second of the gas separators on the positive electrode side of the electrochemical cell at least partly form therebetween a positive electrode-side chamber , and wherein chemically unbound material selected from one or both of free alkali metal oxygen-containing compounds and free alkaline earth metal oxygen-containing compounds is provided in or on one or more of the negative electrode-side structure , the first gas separator and any other structure of the electrochemical energy conversion device forming the ...

SINGLE CELL WITH METAL PLATE, FUEL CELL STACK, AND METHOD FOR PRODUCING SINGLE CELL WITH METAL PLATE

A metal plate-bonded single fuel cell unit according to one aspect of the present invention includes a single cell element having a solid electrolyte and fuel and air electrodes disposed on opposite sides of the solid electrolyte and a metal plate bonded by a brazing material to the single cell element. The metal plate contains Ti and Al and has an Al-Ti-containing oxide layer present on a surface of the metal plate, an Al oxide film present on a surface of the Al-Ti-containing oxide layer and a Ti-containing phase apart from a part of a surface of the Al oxide film in contact with the brazing material while being present on a remaining part of the surface of the Al oxide film. The metal plate-bonded single fuel cell unit has a Ti reaction phase formed at an interface between the solid electrolyte and the brazing material. 1. A metal plate-bonded single fuel cell unit , comprising:a single cell element having a solid electrolyte, a fuel electrode disposed on one side of the solid electrolyte and an air electrode disposed on the other side of the solid electrolyte; anda metal plate bonded by a brazing material to the single cell element so as to be in contact with at least the solid electrolyte,wherein the metal plate contains Ti and Al and has an Al—Ti-containing oxide layer present on a surface of the metal plate, an Al oxide film present on a surface of the Al—Ti-containing oxide layer and a Ti-containing phase apart from a part of a surface of the Al oxide film in contact with the brazing material while being present on a remaining part of the surface of the Al oxide film; andwherein the metal plate-bonded single fuel cell unit has a Ti reaction phase formed at an interface between the solid electrolyte and the brazing material.2. The metal plate-bonded single fuel cell unit according to claim 1 , wherein the metal plate serves as a separator to separate a space around the fuel cell from a space around the air electrode.3. The metal plate-bonded single fuel cell ...

Quality monitoring system and quality monitoring method for fuel cell manufacturing line and quality monitoring system for manufacturing line

Quality monitoring system and method for a fuel cell manufacturing line are disclosed. The system includes an image collection unit and a real-time quality control computer. The image collection unit is configured for generating a captured image of a surface of one fuel cell in the fuel cell manufacturing line. The computer is configured to receive the captured image and generate a set of feature vectors based on the captured image. The computer comprises a defect model repository comprising a defect detection model repository and a defect classification model repository, a defect detection module and a defect classification module. The defect detection module is configured to access the defect detection model repository and determine whether the fuel cell is defective based on the set of feature vectors and the defect detection model repository. The defect classification module is configured to access the defect classification model repository when the defect detection module determines the fuel cell is defective and determine a defect type of the defective fuel cell based on the set of feature vectors and the defect classification model repository.

ASSEMBLY CONSISTING OF A STACK WITH SOLID OXIDES OF THE SOEC/SOFC TYPE AND OF A CLAMPING SYSTEM INTEGRATING A HEAT EXCHANGE SYSTEM

An assembly comprising a SOEC/SOFC-type solid oxide stack, and a clamping system for the stack, said clamping system comprising at least two clamping rods that can be used to assemble upper and lower clamping plates. The assembly further comprises a heat exchange system formed at least in part by at least two hollow clamping rods of the clamping system, through which a fluid to be superheated or preheated flows. 2. Assembly according to claim 1 , wherein said at least two hollow clamping rods each comprise an end for the entry of a heat-transfer fluid to be preheated and an end for exit of the preheated heat transfer fluid.3. Assembly according to claim 2 , wherein claim 2 , at each of the inlet and outlet ends of each clamping rod claim 2 , the clamping system comprises a force transmission tube claim 2 , disposed around the corresponding end of the clamping rod claim 2 , and a clamping washer claim 2 , the force transmission tube being positioned between the clamping washer and the corresponding clamping plate.4. Assembly according to claim 2 , wherein claim 2 , at each of the inlet and outlet ends of each clamping rod claim 2 , the clamping system comprises a thermal-insulation part claim 2 , disposed around the corresponding end of the clamping rod claim 2 , the thermal-insulation part being positioned in contact with the corresponding clamping plate.5. Assembly according to claim 1 , wherein the heat exchange system is a system for superheating the gases at the inlet of the solid-oxide stack of the SOEC/SOFC type claim 1 , formed at least partly by at least two hollow clamping rods of the clamping system inside which the gases or liquids to be superheated circulate claim 1 , the assembly comprising a pipe for entering the stack fluidically connected to at least one hollow clamping rod.6. Assembly according to claim 5 , wherein the superheating system is of so-called simple mounting claim 5 , comprising a simple-mounting connection pipe fluidically connecting ...

Elementary unit for reactor performing water electrolysis or co-electrolysis (soec) or fuel cell (sofc) operating under pressure

A module for an HTE reactor or an SOFC fuel cell, the module including a circuit for the circulation of a gas, in addition to the reactive gases required for the electrolysis reaction or the reverse reaction in an SOFC cell, the circuit enabling, during the operation under pressure, the additional gas to equalise, on one side of the glass- and/or vitroceramic-based seals, the pressure of the reactive gases generated on the other side.

METHODS FOR CO-ELECTROLYSIS OF WATER AND CO2 (SOEC) OR FOR HIGH-TEMPERATURE ELECTRICITY PRODUCTION (SOFC) OPTIONALLY PROMOTING CATALYTIC REACTIONS INSIDE THE H2 ELECTRODE

The invention essentially consists of proposing a novel reactor or fuel cell architecture having an active section of the catalytic material for methanation or reforming reaction integrated into the electrode which varies with the composition of the gases, as they are distributed in accordance with the electrochemistry on said electrode. 1. A method comprising co-electrolyzing steam HO and carbon dioxide CO , and optionally in-situ methanation , in a reactor comprising a stack of individual electrolysis cells of solid oxide type , with a rectangular or square area , each formed of a cathode comprising material(s) for catalyzing a methanation reaction , of an anode and of an electrolyte inserted between the cathode and the anode , a plurality of electrical and fluid interconnectors each arranged between two adjacent individual cells with one face thereof in electrical contact with the anode of one of the two individual cells and the other face thereof in electrical contact with the cathode of the other of the two individual cells , and a plurality of electrical contact and gas distribution elements , each arranged between a cathode and an interconnector , wherein:{'sub': 2', '2', '4', '2, 'a first zone and a second zone of each interconnector are supplied independently with a mixture of steam HO and of carbon dioxide COand it is distributed to the cathode of each individual cell, then the synthesis gas produced and optionally an additional mixture of methane CHand of steam HO produced by methanation are recovered within the cathode itself, in a third zone and a fourth zone of each interconnector in fluid communication respectively with the first zone and the second zone; each electrical contact and gas distribution element integrating a sealing bead forming a gas distribution barrier separating a first gas flow sector comprising the first and third zones from a second gas flow sector comprising the second and fourth zones, the first and second sectors being adjoined ...

FUEL CELL STACK AND METHOD OF PRODUCING THE SAME

A flat-plate-type fuel cell stack including a plurality of plate-shaped stacked fuel cells each including an electrolyte layer, an anode, and a cathode. The fuel cell stack includes at least one of a fuel manifold communicating with a space adjacent to the anode and an oxidant manifold communicating with a space adjacent to the cathode. A compression seal member and a glass seal member are disposed around the at least one manifold. 1. A fuel cell stack of a flat plate type , comprising a plurality of plate-shaped fuel cells stacked on one another in a stacking direction , each of the plate-shaped fuel cells including an electrolyte layer , an anode disposed on one surface of the electrolyte layer and in contact with fuel gas , and a cathode disposed on the other surface of the electrolyte layer and in contact with oxidant gas , the fuel cells being assembled in a state in which they are pressed in the stacking direction ,the fuel cell stack being characterized in thatat least one of a fuel manifold communicating with a space adjacent to the anode which is a flow passage where the fuel gas comes into contact with the anode and an oxidant manifold communicating with a space adjacent to the cathode which is a flow passage where the oxidant gas comes into contact with the cathode is provided to extend in the stacking direction;around the at least one manifold of the fuel manifold and the oxidant manifold, the at least one manifold extending in the stacking direction, a compression seal member and a glass seal member are disposed in parallel along a plane in which the corresponding fuel cell extends such that the compression seal member and the glass seal member are sandwiched in the stacking direction between corresponding two of components of the fuel cell stack and surround the at least one manifold; andthe glass seal member has a softening point higher than an operating temperature of the fuel cell stack.2. A fuel cell stack according to claim 1 , wherein the glass ...

Fuel cell

A fuel cell according to one mode includes a plate-like interconnector having a front surface and a back surface; a single cell having a power generation function; a gas chamber provided between the interconnector and the single cell; and one or more gas inlet ports for causing a fuel gas to flow into the gas chamber, the fuel cell further including a buffer chamber provided between the gas inlet ports and the gas chamber; a flow direction changing portion provided between the buffer chamber and the gas chamber so as to be located corresponding to the gas inlet ports, the flow direction changing portion having at least one of a front surface and a back surface, and a side surface; and a fuel gas path provided on at least one of the front surface side and the back surface side of the flow direction changing portion.

Modular planar interconnect device for a solid oxide fuel cell and the solid oxide fuel cell containing the same

A modular planar interconnect device for a solid oxide fuel cell includes a planar interconnect body, a pair of upper shielding plates, and a pair of lower shielding plates. The planar interconnect body includes a right lateral surface and a left lateral surface. The right lateral surface includes a right lateral slot to fluidly communicate with an introducing slot of the planar interconnect body. The left lateral surface includes a left lateral slot to fluidly communicate with an exit slot of the planar interconnect body.

METAL SUPPORTED SOLID OXIDE FUEL CELL UNIT AND ITS METHOD OF MANUFACTURE

The present invention relates to an improved metal supported solid oxide fuel cell unit, fuel cell stacks, fuel cell stack assemblies, and methods of manufacture. 1. A metal supported solid oxide fuel cell unit comprising:a) a plurality of metal substrate plates and at least two blanking plates, each metal substrate plate defining first and second opposed surfaces and each blanking plate defining first and second opposed surfaces, wherein at least one solid oxide fuel cell is disposed on said second surface of each metal substrate plate;b) a metal spacer, which defines first and second opposed surfaces, said metal spacer comprising an external perimeter and a plurality of cut-out internal perimeters, each cut-out internal perimeter defining a cut-out, wherein said first surface of each metal substrate plate and said first surface of each blanking plate is attached to said second surface of said metal spacer, each cut-out internal perimeter of said metal spacer being wholly overlapped by a metal substrate plate; andc) a metal interconnect plate which defines first and second opposed surfaces, said second surface of said metal interconnect plate sealingly attached to said first surface of said metal spacer.2. A metal supported solid oxide fuel cell unit according to claim 1 , wherein said metal supported solid oxide fuel cell unit is a metal supported solid oxide fuel cell stack layer.3. A metal supported solid oxide fuel cell unit according to claim 1 , wherein each metal substrate plate is attached to said metal spacer between a cut-out internal perimeter and said external perimeter.4. A metal supported solid oxide fuel cell unit according to claim 3 , wherein each metal substrate plate comprises a porous region surrounded by a non-porous region claim 3 , and said non-porous region of each metal substrate plate is attached to said metal spacer.5. A metal supported solid oxide fuel cell unit according to claim 1 , wherein said metal interconnect plate is sealingly ...

SOLID OXIDE FUEL CELL STACK WITH REDUCED-LEAKAGE UNIT CELLS

Solid oxide fuel cell stacks and methods of sealing a planar solid oxide fuel cell. Unit cells within the stack each include a metal frame with a periphery that can both provide a support surface for a membrane electrode assembly, as well as form a fluid-tight seal with a bonded separator plate. The separator plate includes a peripheral lip that bounds a cell-receiving cavity such that a volumetric region is formed within the separator plate to receive at least a portion of the membrane electrode assembly to create a fluid-tight pathway for at least one of the reactants that is being introduced to a corresponding anode layer or cathode layer of the membrane electrode assembly. 1. A solid oxide fuel cell stack comprising: [ a metal frame comprising a planar mounting surface; and', 'a membrane electrode assembly comprising a cathode layer separated from an anode layer by an electrolyte layer, the membrane electrode assembly defining a substantially planar profile and disposed on the planar mounting surface;, 'a metal supported cell comprising, 'a plurality of fluidly separate reactant passageways for the respective conveyance of fuel through the anode layer and air through the cathode layer; and', 'a separator plate that comprises a peripheral lip that bounds a cavity such that at least a portion of the metal supported cell is received within a volumetric region that is defined by the cavity and the peripheral lip, wherein the planar mounting surface of the metal frame is bonded to the peripheral lip such that a fluid-tight seal is formed between them, while the cooperation between the separator plate and the metal supported cell defines both a reactant flow vertical gap within the volumetric region and a thermal barrier horizontal gap between the membrane electrode assembly and a location defined by where the planar mounting surface of the metal frame is bonded to the peripheral lip;, 'a plurality of unit cells aligned along a stacking dimension, at least one of the ...

HYBRID SEAL AND PLANAR ARRANGEMENT COMPRISING AT LEAST ONE HIGH TEMPERATURE ELECTROCHEMICAL CELL AND A HYBRID SEAL

The planar arrangement having CAE-unit, both a first flow field for an oxidizing gas and a first interconnect arranged on a first side of the CAE-unit, both a second flow field for a combustible gas and a second interconnect arranged on the other side of the CAE-unit, the CAE-unit having a first and a second electrode layer, and a solid electrolyte sandwiched therebetween. The first electrode layer forming the first side of the CAE-unit and the second electrode layer forming the other side. Further including a circumferential sealing member to prevent either the leakage of oxidizing gas or combustible gas to the environment or the mixing of the two gases. The sealing member includes a glass component bound to the upper surface of the second interconnect, and a sheet of ceramic fiber paper or mica arranged so as to cover a side of the glass component facing the first interconnect. 1100100100108112212110114214100100100102102102104104104106106106116116118218318318318114214120220112212abababababab. A planar arrangement comprising at least one CAE-unit (; , ) , both a first flow field () for an oxidizing gas and a first interconnect (; ) arranged on a first side of the CAE-unit , both a second flow field () for a combustible gas and a second interconnect (; ) arranged on the other side of the CAE-unit , said at least one CAE-unit (; , ) comprising a first electrode layer (; , ) , a second electrode layer (; , ) , and a solid electrolyte (; , ) sandwiched between the first and the second electrode layers , the first electrode layer forming the first side of the CAE-unit and the second electrode layer forming the other side , wherein the planar arrangement further comprises a circumferential sealing member () provided to prevent either the leakage of the oxidizing gas or the combustible gas to the environment or the mixing of said two gases , characterized in that the sealing member () comprises a glass component (; ; ; , ) bound to the upper surface of the second ...

Electrochemical reaction single cell and electrochemical reaction cell stack

An electrochemical reaction single cell including an electrolyte layer containing Zr and at least one of Y, Sc, and Ca, an anode disposed on one side of the electrolyte layer, a cathode containing Sr and Co and disposed on the other side of the electrolyte layer, and an intermediate layer disposed between the electrolyte layer and the cathode. The electrochemical reaction single cell exhibits an interface contact ratio of 25.5% to 68.6%, wherein the interface contact ratio is the ratio of the sum of the lengths of portions containing neither SrZrO 3 nor cavities of an interfacial surface of the intermediate layer on the electrolyte layer side to the total length of the interfacial surface. Also disclosed is an electrochemical reaction cell stack including a plurality of electrochemical reaction single cells, at least one of which is the above described electrochemical reaction single cell.

FUEL CELL MODULE AND METHOD OF OPERATING THE SAME

A fuel cell module is equipped with a fuel cell stack in which a plurality of flat plate-shaped fuel cells are stacked, each of the fuel cells including an anode to which a fuel gas is supplied via a fuel gas flow field, and a cathode to which an oxygen-containing gas is supplied via an oxygen-containing gas flow field. Further, in the fuel cell stack, a reforming catalyst (reformer), which reforms a raw fuel primarily containing hydrocarbon and produces the fuel gas, is provided in a fuel gas inlet passage, which penetrates in a thickness direction through the plurality of fuel cells and is in communication with the fuel gas flow fields. 1. A fuel cell module comprising:a flat plate laminated type fuel cell stack in which a plurality of flat plate-shaped fuel cells are stacked, each of the fuel cells including an anode to which a fuel gas is supplied via a fuel gas flow field, and a cathode to which an oxygen-containing gas is supplied via an oxygen-containing gas flow field; anda reformer configured to reform a raw fuel primarily containing hydrocarbon, and to produce the fuel gas that is supplied to the fuel cell stack;wherein a fuel gas inlet passage which penetrates in a thickness direction through the plurality of fuel cells and is in communication with the fuel gas flow fields is formed in the fuel cell stack, and a reforming catalyst that constitutes the reformer is installed in the fuel gas inlet passage.2. The fuel cell module according to claim 1 , wherein the reforming catalyst is a partial oxidation reforming catalyst claim 1 , and the reformer claim 1 , by a partial oxidation reaction claim 1 , converts the raw fuel into a fuel gas containing hydrogen and carbon monoxide.3. The fuel cell module according to claim 1 , wherein the reforming catalyst is a steam reforming catalyst claim 1 , and the reformer claim 1 , by a steam reforming reaction claim 1 , converts the raw fuel into a fuel gas containing hydrogen and carbon monoxide.4. The fuel cell module ...

ASSEMBLY COMPRISING A SOEC/SOFC-TYPE SOLID OXIDE STACK, A CLAMPING SYSTEM, AND A HEAT EXCHANGE SYSTEM

An assembly includes an SOEC/SOFC-type solid oxide stack, a clamping system for clamping the stack, including at least two clamping rods that can be used to assemble upper and lower clamping plates, and a coupling system for high-temperature fluid-tight coupling of the stack to a heating system for supplying and discharging gas. The coupling system includes a collector with collection ducts for supplying and discharging gas, each provided with a collecting port positioned facing a corresponding communication port of at least one of the upper and lower clamping plates, and seals each placed between a collecting port and a corresponding communication port. 114-. (canceled)15. An assembly , comprising:an SOEC/SOFC-type solid oxide stack operating at a high temperature, including a plurality of electrochemical cells each formed by a cathode, an anode and an electrolyte interposed between the cathode and the anode, and a plurality of intermediate interconnectors each arranged between two adjacent electrochemical cells; at least two clamping rods each for extending through a clamping hole of the upper clamping plate and through a corresponding clamping hole of the lower clamping plate for assembling the upper and lower clamping plates to each other, and', 'clamping means at each clamping hole of the upper and lower clamping plates for cooperating with said at least two clamping rods for assembling the upper and lower clamping plates therebetween; and, 'a clamping system for the SOEC/SOFC-type solid oxide stack, including an upper clamping plate and a lower clamping plate, between which the SOEC/SOFC-type solid oxide stack is sandwiched, each clamping plate including at least two clamping holes, the clamping system further includinga high temperature sealed coupling system for coupling said SOEC/SOFC-type solid oxide stack to a heating system for gas feed and outlet, the coupling system being detachable and enabling said SOEC/SOFC-type solid oxide stack to be electrically ...

Operating a solid oxide fuel cell system involves combining anode and cathode exhaust flows, transferring heat to first air flow, and combining second air flow and the heated first air flow to control temperature of the combined air

A solid oxide fuel cell system is operated by combining exhaust flows (5, 6) from anode and cathode sides of a fuel cell stack; transferring heat from the combined exhaust flow (7) to a first air flow; and combining a second air flow and the heated first air flow upstream from the fuel cell stack to control a temperature of the combined air flow entering the cathode side of the solid oxide fuel cell. Independent claims are included for: (1) a method of starting a fuel cells stack of a solid oxide fuel cell system from below a temperature below an operating temperature; (2) a heat exchanger for a solid oxide fuel cell system; and (3) a solid oxide fuel cell system.

A solid oxide fuel cell stack

Fuel cell

연료전지는 셀판(11; 110; 110A, 110B); 상기 셀판과 함께 가스유로를 형성하는 도전성 가스세퍼레이터(13; 130; 130A; 130B); 및 상기 셀판의 일부를 홀드하는 홀더부(15; 150; 150A; 150B)를 구비한다. 상기 셀판은 지지체(37; 370; 370A; 370B), 및 이 지지체 상에 형성된 셀(39; 390; 390A; 390B)을 구비한다. 상기 셀은 고체전해질 (43), 상기 고체전해질의 일면에 형성된 양극물질층(45), 및 상기 고체전해질의 타면에 형성된 음극물질층(41)을 구비한다. The fuel cell includes a cell plate 11 (110; 110; 110A, 110B); A conductive gas separator (13; 130; 130A; 130B) forming a gas passage together with the cell plate; And a holder portion 15 (150; 150A; 150B) that holds a portion of the selpan. The cell plate has a support (37; 370; 370A; 370B) and a cell (39; 390; 390A; 390B) formed on the support. The cell includes a solid electrolyte 43, a positive electrode material layer 45 formed on one surface of the solid electrolyte, and a negative electrode material layer 41 formed on the other surface of the solid electrolyte.

Fuel cell reactant supply

A fuel cell system (100, 100' or 100") includes a fuel supply apparatus (112, 112', 112", 114 or 114') that supplies at least one reactant in a pulse to the electrode.

Fused zirconia-based solid oxide fuel cell

燃料电池

本发明一实施方式所涉及的燃料电池具有：互连器，其为板形状，且具有正面和背面；单体电池，其具有发电功能；气体室，其形成于上述互连器与上述单体电池之间；以及一个或多个气体流入口，其使燃料气体流入上述气体室，该燃料电池的特征在于，具有缓冲室，该缓冲室位于上述气体流入口与上述气体室之间，具有流动方向变更部，该流动方向变更部以与上述气体流入口相对应的方式形成于上述缓冲室与上述气体室之间，上述流动方向变更部具有正面和背面中的至少一者和侧面，上述流动方向变更部的正面侧和背面侧中的至少一侧具有燃料气体用通路。

Electrochemical reaction unit, electrochemical reaction cell stack, and manufacturing method of electrochemical reaction unit

Si 등의 오염 물질에 의한 피독을 원인으로 한 단셀의 성능 저하의 발생을 억제한다. 전기 화학 반응 단위는, 전해질층과 전해질층을 사이에 두고 제 1 방향으로 서로 대향하는 공기극 및 연료극을 포함하는 단셀과, 세라믹스 또는 금속과 실리카 성분을 함유하는 펠트 부재를 구비한다. 펠트 부재는, 제 1 결정 구조를 가지고 있으며, 또한, SiO 2 의 결정 구조인 제 2 결정 구조를 가지고 있다. It suppresses the occurrence of deterioration of the single cell performance caused by poisoning by contaminants such as Si. The electrochemical reaction unit includes a single cell including a cathode and an anode facing each other in a first direction with an electrolyte layer and an electrolyte layer therebetween, and a felt member containing ceramics or metal and silica components. The felt member has a first crystal structure, and also has a second crystal structure, which is a crystal structure of SiO 2.

Fuel cell

【課題】積層方向における中心側に位置する発電セルに対する冷却効果が高く、燃料ガスの利用率が高い燃料電池を提供すること。【解決手段】積層された複数の発電セル３と、隣接する２つの発電セル間に設けられた熱交換部７と、発電セルに燃料ガスを供給する燃料ガス供給経路と、発電セルに酸化剤ガスを供給する酸化剤ガス供給経路３、７、３３、３４、３８とを備え、燃料ガス供給経路は、熱交換部７内を通過する第１の経路７、３１、複数の発電セル３のうちの一部の発電セル内を並列的に通過する第２の経路３、３２、３５、３７、及び複数の発電セルのうち、前記一部以外の複数の発電セル内を並列的に通過する第３の経路３、３２、３６を直列的に含む経路である燃料電池１。【選択図】図１

Fused zirconia-based solid oxide fuel cell

본 발명은 전해질을 포함하는 고체 산화물 연료 전지에 관한 것이다. 당해 전해질은 용융된 전해질 분말을 사용하여 형성된다. 본 발명은 또한 다수의 고체 산화물 연료 전지를 포함하는 고체 산화물 연료 전지 스택에 관한 것이다. 다수의 고체 산화물 연료 전지를 구성하는 각각의 고체 산화물 연료 전지는 전해질을 포함한다. 당해 전해질은 용융된 전해질 분말을 사용하여 형성한다. 용융된 전해질 분말, 고체 산화물 연료 전지, 전도도 저하 방지, 소결, 고온 압축성형, 고온 단조.

Fuel cell

일 양태에 관련된 연료 전지는, 표면과 이면을 갖는 판 형상의 인터커넥터와, 발전 기능을 갖는 단셀과, 상기 인터커넥터와 상기 단셀 사이에 형성된 가스실과, 상기 가스실에 연료 가스를 유입시키는 1 또는 복수의 가스 유입구를 갖는 연료 전지로서, 상기 복수의 가스 유입구와 상기 가스실 사이에 위치하는 버퍼실을 갖고, 상기 버퍼실과 상기 가스실 사이에, 상기 복수의 가스 유입구에 대응하도록 형성된 흐름 방향 변경부를 갖고, 상기 흐름 방향 변경부는 표면 및 이면 중 적어도 일방과 측면을 갖고, 상기 흐름 방향 변경부의 표면측 및 이면측 중 적어도 일방에 연료 가스용 통로를 갖는다. A fuel cell according to one aspect of the present invention includes: a plate-shaped interconnector having a front surface and a back surface; a single cell having a power generation function; a gas chamber formed between the interconnector and the single cell; Wherein the fuel cell has a buffer chamber positioned between the plurality of gas inlets and the gas chamber and has a flow direction changing portion formed between the buffer chamber and the gas chamber so as to correspond to the plurality of gas inlets, The flow direction changing portion has at least one of a front surface and a back surface and a side surface, and has a passage for fuel gas in at least one of the front surface side and the back surface side of the flow direction changing portion.

High temperature operation fuel cell module and high temperature operation fuel cell system

ＳＯＦＣモジュール（１００）は、燃料ガスと空気とを利用して発電反応により発電する発電部を備えたＳＯＦＣ（２０）と、供給された流体から燃料ガスとして改質ガスを生成する改質器（４０）とを備え、ＳＯＦＣ（２０）の有する熱により加熱された流体が、改質器（４０）に供給される。 The SOFC module (100) includes a SOFC (20) that includes a power generation unit that generates power by a power generation reaction using fuel gas and air, and a reformer that generates reformed gas as fuel gas from the supplied fluid ( 40), and the fluid heated by the heat of the SOFC (20) is supplied to the reformer (40).

Flat Tubular Solid Oxide Fuel Cell Stack

본 발명은 다수의 연료전지 셀을 수평 방향을 따라 적재하여 무게 중심을 낮춤과 아울러 U자형 유로를 통해 공기를 연료전지 셀에 균일하게 분배하여 출력을 향상시킬 수 있도록 한 고온 평관형 고체산화물 연료전지 스택에 관한 것으로서, 본 발명에 따른 고온 평관형 고체산화물 연료전지 스택은, 공기 유입구(19)와 배기가스 출구(20)가 형성된 외부 케이스(11)와; 상기 외부 케이스(11) 내에 수평 방향을 따라 적재되며 다수의 연료 이송구멍(10')이 형성되어 상기 연료 이송구멍(10')을 통해 공급된 연료의 화학 반응을 이용하여 전기를 생산하는 다수 개의 연료전지 셀(10)과; 양측에 상기 연료전지 셀(10)이 각각 설치되어 상기 연료 이송구멍(10')을 통해 연료를 공급하는 연료 공급용 매니폴드(15)와; 상기 공기 유입구(19)를 통해 유입된 공기의 유동통로(21)와 상기 연료전지 셀(10)에서 반응을 마친 배기가스가 유동하는 유동통로(22)를 구획하며 상기 배기가스 출구(20)에 연결된 내부 케이스(13)와; 상기 연료전지 셀(10)의 끝단 부근에 설치되어 외부로부터 공급된 연료를 개질하여 상기 연료 공급용 매니폴드(15)로 공급하는 개질기(18)와; 나선 형상의 튜브로 이루어지며 상기 개질기(18)에 스팀을 공급하는 스팀 발생기(12);를 포함하는 것을 특징으로 한다. The present invention relates to a high-temperature flat tubular solid oxide fuel cell (hereinafter, referred to as &quot; fuel cell &quot;) capable of lowering the center of gravity by stacking a plurality of fuel cells along the horizontal direction and uniformly distributing air to the fuel cell through a U- The present invention relates to a high temperature flat tubular solid oxide fuel cell stack comprising an outer case 11 formed with an air inlet 19 and an exhaust gas outlet 20; A plurality of fuel transfer holes 10 'are formed in the outer case 11 along the horizontal direction to generate electricity using the chemical reaction of the fuel supplied through the fuel transfer hole 10' A fuel cell (10); A fuel supply manifold 15 installed at both sides of the fuel cell 10 to supply fuel through the fuel transfer hole 10 '; A flow passage 21 of the air introduced through the air inlet 19 and a flow passage 22 through which the exhaust gas having undergone the reaction in the fuel cell 10 flows are formed in the exhaust gas outlet 20, A connected inner case 13; A reformer (18) installed near the end of the fuel cell (10) to reform the fuel supplied from the outside and supply it to the fuel supply manifold (15); And a steam generator (12) formed of a spiral tube and supplying ...

Solid oxide fuel cell

본 발명은 고체산화물 연료전지(Solid Oxide Fuel Cell, SOFC)에 관한 것으로, 더욱 상세하게는 단위체적당 전극 면적을 대폭적으로 증가시킨 고효율의 고체산화물 연료전지에 관한 것이다. 본 발명에 의하면, 제1면과 상기 제1면에 나란한 제2면을 구비하며, 상기 제1면에 나란한 제1방향으로 연장되며, 공기가 흐르는 유로인 복수의 제1채널들이 형성되며, 상기 제1채널들의 사이에 연료가 흐르는 유로인 복수의 제2채널들이 형성되며, 상기 제1채널들과 제2채널들은 상기 제1면 측과 제2면 측이 개방된 전극 지지체 블록과, 상기 제1채널들의 안쪽 면에 순차적으로 형성된 전해질 층 및 전극 층과, 상기 제1채널들의 전극 층과 전기적으로 연결되며, 상기 제1면에 형성된 제1집전 층과, 상기 제2채널들의 안쪽 면과 전기적으로 연결되며, 상기 제2면에 형성된 제2집전 층을 포함하는 단전지; 상기 제1방향과 수직인, 상기 단전지의 양쪽 면에 상기 제1채널과 제2채널들을 폐쇄하도록 장착되어 있는 제1사이드 플레이트와 제2사이드 플레이트; 상기 단전지의 제1채널들의 상기 제1면 측의 일부를 밀폐하며, 상기 제1집전층과 전기적으로 연결되는 제1집전판; 상기 단전지의 제2채널들의 상기 제2면 측의 일부를 밀폐하며, 상기 제2집전층과 전기적으로 연결되는 제2집전판;을 포함하며, 상기 복수의 단전지들은 인접하는 단전지들에 형성된 상기 제1채널들과 제2채널들이 각각 서로 연결되어 공기 또는 연료가 흐르는 유로를 형성하고, 인접하는 상기 단전지들의 제1면들은 상기 제1집전판을 사이에 두고 서로 접하고, 인접하는 상기 단전지들의 제2면들은 상기 제2집전판을 사이에 두고 서로 접하도록 적층되는 고체산화물 연료전지가 제공된다. The present invention relates to a solid oxide fuel cell (SOFC), and more particularly to a high-efficiency solid oxide fuel cell that significantly increases the electrode area per unit volume. According to the present invention, a first surface is provided with a second surface parallel to the first surface, and extends in a first direction parallel to the first surface, and a plurality of first channels are formed, which are air flow paths. A plurality of second channels, which are fuel flow paths, are formed between the first channels, wherein the first and second channels are formed of an electrode support block having the first surface side and the second surface side open; An electrolyte layer and an electrode layer sequentially formed on inner surfaces of one channels, electrically connected to electrode layers of the first channels, and a first current collecting layer formed on the first surfaces, and electrically connected to inner surfaces of the second channels. A unit cell connected to and including a second current collector layer formed on the second surface; First and second side plates mounted on both sides of ...

Reformer, cell stack device, fuel cell module, and fuel cell device

本发明提供一种能够高效地进行改性反应的改性器、以及具备改性器的燃料电池堆装置、燃料电池模块和燃料电池装置。改性器(1)包括：在筒状的容器(2)的中央部具有设置了供给原燃料的供给口(7)的气化部(3)；以及在容器(2)两侧部具备将从气化部(3)流入的原燃料改性为燃料气体的改性催化剂(4)、并且设置了送出燃料气体的燃料气体送出口(9)的改性部(5)。

Unit cell module and stack for solid oxide fuel cell

본 발명은 고체산화물 연료전지용 단전지 모듈과 스택에 관한 것으로, 특히 상세하게는 평관형 구조를 가진 단전지 모듈과 상기 단전지 모듈이 적층된 스택에 관한 것이다. 본 발명의 고체산화물 연료전지 단전지 모듈 및 스택은 취성이 있는 세라믹 단전지 모듈과 달리 프레임의 재질을 강도 높은 물질을 사용하여 단전지 모듈 적층시 스택의 하중을 견딜 수 있으며, 자동생산에 적합하여 신뢰성 있고(reliable) 대량생산이 가능하며, 단전지 모듈의 부품화를 통해 대규모의 스택공정을 자동화할 수 있으며, 단전지 및 프레임의 두께를 최소화하여 컴팩트한 연료전지를 제작할 수 있다.  The present invention relates to a single cell module and a stack for a solid oxide fuel cell, and more particularly, to a single cell module having a flat tubular structure and a stack in which the single cell module is stacked. The solid oxide fuel cell single cell module and the stack of the present invention can withstand the load of the stack when stacking single cell modules by using a material having a high strength of the frame, unlike the brittle ceramic single cell module, Reliable mass production is possible, and a large scale stacking process can be automated by making a single cell module part, and a compact fuel cell can be manufactured by minimizing the thickness of a single cell and a frame.

Fuel cell heating device and heating means, fuel cell system

本发明公开了燃料电池加热装置和加热方法以及包括该加热装置的燃料电池设备。所述加热装置包括：出口集合管部，其在工作状态下的燃料电池堆的温度下降时对相应燃料电池堆进行加热以将燃料电池堆的温度维持在正常范围内，并且其紧贴设置在燃料电池堆的外部，并接收从燃料电池堆排出的排出物以将其引导至燃料电池堆的外部；辅助燃料供给部，其将外部的辅助燃料供给到出口集合管部的内部，使得辅助燃料在出口集合管部内燃烧并且对出口集合管部和与其邻接的燃料电池堆进行加热。在燃料电池设备中，各个堆相互隔离布置从而不形成堆之间的热传递，并且将入口集合管部和出口集合管部介于堆与堆之间，使得以出口集合管部作为加热源来个别地对堆进行加热。

Separator for stack of solid oxide fuel cell

본 발명은 고체산화물 연료전지에 사용되는 분리판에 관한 것으로, 보다 구체적으로 공기극, 전해질 및 연료극을 포함하는 단위셀이 위치하는 셀프레임 사이에 구비되는 연료전지용 분리판에 있어서, 상기 분리판은 셀프레임 및 밀봉부를 수용하는 실사용 영역 및 이 실사용 영역으로부터 외부로 확장되는 전류자를 수용하는 전류자 수용영역을 포함하고, 상기 전류자 수용영역에는 전류자를 부착하기 위한 전류자 부착수단이 구비될 수 있다. 본 발명에 따르면, 전류자가 구비될 수 있도록 구성되는 분리판을 고체산화물 연료전지에 적용할 경우, 불량셀이 발생 되었을 때 분리판 사이에 전류자를 구비함으로써 불량셀 다음의 단위 셀에 직류전류가 지속적으로 전달될 수 있도록 할 수 있다. 따라서, 불량 셀의 발생으로 전류가 차단되는 문제를 해결할 수 있으며, 기존의 모듈을 교체해야하는 등의 추가작업 없이 효율적으로 연료전지를 운전할 수 있다. The present invention relates to a separator used in a solid oxide fuel cell, and more particularly, in a separator for a fuel cell provided between a cell frame in which a unit cell including an air electrode, an electrolyte, and a fuel electrode is disposed, wherein the separator is a cell. A real use area accommodating the frame and the seal, and a current accommodating area accommodating an ammeter extending outwardly from the actual use area, the ammeter accommodating area may be provided with an ammeter attachment means for attaching the ammeter. have. According to the present invention, when a separator configured to be equipped with an armature is applied to a solid oxide fuel cell, when a defective cell is generated, a direct current is continuously applied to the unit cell after the defective cell by providing an armature between the separator plates. Can be delivered to Therefore, it is possible to solve the problem that the current is cut off due to the generation of defective cells, it is possible to efficiently operate the fuel cell without additional work, such as replacing the existing module.

Fuel cell and fuel cell stack

本发明提供即使长期使用也能够维持良好的电连接性的燃料电池单元和燃料电池堆。一种燃料电池单元(3)，包括：一对互连器(以下称为连接器)(12、13)；单体电池(20)，其位于一对互连器之间，且在电解质层(2)的两表面形成有电极层(14、15)；以及集电构件(18、19)，其配置于电极层(14、15)与连接器(12、13)之间，将该电极层(14、15)与连接器(12，13)电连接，其特征在于，与至少一侧的电极层(15)的相对应的集电构件(19)具有：连接器抵接部(19a)，其与连接器(13)相抵接；电池抵接部(19b)，其与电极层(15)相抵接；连接部(19c)，其连接连接器抵接部(19a)和电池抵接部(19b)，以及间隔件(58)，其配置于两抵接部(19a、19b)之间，间隔件(58)的与连接部(19c)相反的一侧的端部比电池抵接部(19b)的与连接部(19c)相反的一侧的端部或连接器抵接部(19a)的与连接部(19c)相反的一侧的端部中的至少一方的端部突出。

Device and Method for heating the Fuel cell and Apparatus having the same

본 발명은 연료전지 가열장치 및 가열방법과 이를 포함하는 연료전지장치에 관한 것이다. 상기 가열장치는, 작동상태에 있는 연료전지 스택의 온도 하강시, 해당 스택에 열을 가하여, 스택의 온도를 정상범위 내에 유지시키는 것으로서, 상기 스택의 외부에 밀착 설치되며, 스택으로부터 배출되는 배출물을 받아 스택 외부로 유도하는 아웃렛매니폴드부와; 상기 아웃렛매니폴드부의 내부로 외부의 보조연료를 공급하여, 보조연료가 아웃렛매니폴드부 내에서 연소하며 아웃렛매니폴드부 및 이에 접하는 스택을 가열하게 하는 보조연료공급부를 포함한다. 상기와 같이 이루어지는 본 발명의 연료전지 장치는, 각각의 스택이 서로에 대해 이격 배치되므로 스택간의 열전달이 이루어지지 않아 스택들이 서로에 대해 영향 받지 않으며, 특히 인렛매니폴드부와 아웃렛매니폴드부를 스택과 스택 사이에 개재시키되, 아웃렛매니폴드부를 가열원으로 삼아 스택을 개별적으로 가열 할 수 있으므로 스택의 온도저하에 따른 문제가 없어, 전체적인 발전효율이 최상으로 유지된다. The present invention relates to a fuel cell heating apparatus and a heating method and a fuel cell apparatus including the same. The heating device, when the temperature of the fuel cell stack in the operating state is lowered, heats the stack to maintain the stack temperature within the normal range, and is installed in close contact with the outside of the stack, and discharges discharged from the stack. An outlet manifold portion for receiving and directing to the outside of the stack; And an auxiliary fuel supply unit for supplying an external auxiliary fuel to the inside of the outlet manifold portion to burn the auxiliary fuel in the outlet manifold portion to heat the outlet manifold portion and the stack in contact with the outlet manifold portion. In the fuel cell device of the present invention made as described above, since the stacks are spaced apart from each other, heat transfer between the stacks does not occur, so that the stacks are not affected by each other, and the inlet manifold portion and the outlet manifold portion are particularly It is interposed between the stacks, but the outlet manifold portion can be used as a heating source, so that the stacks can be heated individually, so there is no problem due to the temperature drop of the stacks, and the overall power generation efficiency is maintained at the highest level.

Stack structure for solid oxide fuel cell stack, solid oxide fuel cell stack, and production method for the same

본 발명은, 단일셀의 기계적 강도에 의존하지 않고 전체적으로 SOFC 로서의 기계적 강도를 확보할 수 있는 스택 구조를 구비한 적층형 SOFC 를 제공한다. 고체 전해질을 사이에 끼우고 대향하는 형상으로 배치된 연료극을 포함하는 연료극층과 공기극을 포함하는 공기극층을 포함하여 적층되는 복수 개의 단일셀과, 적층되는 상기 단일셀 사이에 개재되어 단일셀 사이를 분리하는 세퍼레이터와, 연료극층 및 상기 공기극층의 각 층 내에 있고, 적어도 열팽창 수축 특성에 관해서 세퍼레이터 또는 고체 전해질과 균등하며, 연료극의 둘레가장자리부 또는 공기극의 둘레가장자리부에 일체화됨과 함께 인접하는 상기 세퍼레이터 및 고체 전해질에 일체화되는 비다공질부를 포함하는 시일부를 구비하고, 연료극 및 공기극에 각각 공급되는 연료 가스 및 공기 가스의 유통이 가능하게 형성되어 있는, 스택 구조체를 사용한다. The present invention provides a stacked SOFC having a stack structure capable of securing mechanical strength as an SOFC as a whole without depending on the mechanical strength of a single cell. A plurality of single cells stacked including a fuel electrode layer including a fuel electrode and a cathode layer including an air electrode sandwiching a solid electrolyte and arranged in opposing shapes and a plurality of single cells interposed between the single cells, And separating the separator and the separator. The separator is disposed in each layer of the fuel electrode layer and the air electrode layer and has at least thermal expansion and shrinkage characteristics equal to the separator or the solid electrolyte. The separator is integrated with the periphery of the fuel electrode or the peripheral edge of the air electrode, And a seal portion including a non-porous portion integrated with the solid electrolyte, wherein a fuel gas and an air gas supplied respectively to the fuel electrode and the air electrode are allowed to flow.

Fuel cell module and fuel-cell device

根据本公开的实施方式所涉及的燃料电池模块(1)，由于电池单元堆(4)被收纳于包括箱体(21)和盖体(22)的收纳容器(2)中，在盖体(22)设置使含氧气体及废气当中任意一方气体流过的第1气体流路(24)，因此能使收纳容器(2)的结构变成简单的结构。能将箱体(21)的收纳空间加大与在盖体(22)设置气体流路的部分相应的量，能从开口(21a)将电池单元堆(4)容易地收纳到箱体(21)内，能容易地组装燃料电池模块(1)。

Solid oxide fuel cell or solid oxide electrolyzing cell and method for operating such cell

FIELD: fuel. SUBSTANCE: invention relates to a solid oxide fuel cell or solid oxide fuel cell and a method for operation thereof. Solid oxide fuel cell comprises a) a plurality of cathode-anode-electrolyte (CAE) units (5), each CAE unit (5) comprising first electrode (51) for an oxidizing agent, second electrode (53) for a combustible gas, and solid electrolyte (52) between first electrode (51) and second electrode (52), and b) metal interconnect (40) between CAE units (5), interconnect (40) including: first gas distribution element (10), comprising gas distribution structure (11) for combustible gas, wherein first gas distribution element (10) is in contact with second electrode (53) of CAE unit (5), and second gas distribution element (4), comprising channels (20a) for oxidizing agent and comprising separate channels (20b) for a tempering fluid, wherein channels (20a) for oxidizing agent are in contact with first electrode (51) of an adjacent CAE unit (5), and first gas distribution element (10) and second gas distribution element (4) being electrically connected. EFFECT: higher efficiency and reliability of fuel element due to use of tight inter-unit connections, providing improved internal heat exchange, is technical result of invention. 33 cl, 32 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 610 141 C2 (51) МПК H01M 8/02 (2006.01) H01M 8/04 (2006.01) H01M 8/122 (2016.01) H01M 8/24 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ 2014149667, 11.06.2013 (24) Дата начала отсчета срока действия патента: 11.06.2013 (72) Автор(ы): ВЮИЙЕМЕН Закари (CH) (73) Патентообладатель(и): ЭйчТиСЕРАМИКС С.А. (CH) Дата регистрации: (56) Список документов, цитированных в отчете о поиске: WO2009111771 A1, 11.09.2009. US Приоритет(ы): (30) Конвенционный приоритет: 2004151975 A1, 05.08.2004. RU 2422951 C1, 27.06.2011. US 2008193812 A1, 14.08.2008. US 2008014489 A1, 17.01.2008. 11.06.2012 EP 12171565 ...