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Применить Всего найдено 10. Отображено 9.
12-05-2022 дата публикации

Anode, Secondary Battery Including the Same, and the Method of Making Anode

Номер: US20220149362A1
Автор: Arunkumar Tiruvannamalai, Jacqueline Hong, Jody Klaassen, Mackenzie King, Qichao HU, Robert Graves, Yongkyu SON
Принадлежит: SES Holdings Pte Ltd

Alkali metal secondary batteries that include anodes constructed from alkali metal foil applied to only one side of a porous current collector metal foil. Openings in the porous current collectors permit alkali metal accessibility on both sides of the anode structure. Such anode constructions enable the utilization of lower-cost and more commonly available alkali metal foil thickness, while still achieving high cell cycle life at a significantly reduced cost. Aspects of the present disclosure also include batteries with porous current collectors having increased volumetric and gravimetric energy densities, and methods of manufacturing anodes with porous current collectors.

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Номер записи: 1
03-09-2020 дата публикации

Anode, Secondary Battery Including the Same, and the Method of Making Anode

Номер: US20200280063A1
Автор: Graves Robert, Hong Jacqueline, Hu Qichao, King Mackenzie, KLAASSEN Jody, Son Yongkyu, Tiruvannamalai Arunkumar
Принадлежит:

Alkali metal secondary batteries that include anodes constructed from alkali metal foil applied to only one side of a porous current collector metal foil. Openings in the porous current collectors permit alkali metal accessibility on both sides of the anode structure. Such anode constructions enable the utilization of lower-cost and more commonly available alkali metal foil thickness, while still achieving high cell cycle life at a significantly reduced cost. Aspects of the present disclosure also include batteries with porous current collectors having increased volumetric and gravimetric energy densities, and methods of manufacturing anodes with porous current collectors. 1. A method of manufacturing an anode , comprising:receiving an alkali metal foil;receiving a porous current collector foil having first and second opposing sides and a webbed structure defining openings each having a volume; andlaminating the alkali metal foil and porous current collector foil together at the first side of the porous current collector, wherein the laminating includes forming extruded portions of the alkali metal foil that extend through the openings from the first side to the second side and that substantially fill the volumes of the openings.2. The method of claim 1 , wherein the laminating step includes completely filling the volumes with the extruded portions.3. The method of claim 1 , wherein the laminating step includes extending the extruded portions until they are at least substantially flush with the second side of the porous current collector foil.4. The method of claim 1 , wherein the openings in the porous current collector foil define a percent open area that is greater than 40%.5. The method of claim 1 , wherein the openings have a maximum width that is greater than 0.5 mm.6. The method of claim 1 , wherein the webbed structure of the porous current collector has a minimum web width extending between adjacent ones of the openings claim 1 , wherein the minimum web ...

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Номер записи: 2
03-09-2020 дата публикации

Anode Subassemblies for Lithium-Metal Batteries, Lithium-Metal Batteries Made Therewith, and Related Methods

Номер: US20200280104A1
Автор: Jacqueline Hong, Qichao HU, Yongkyu SON
Принадлежит: SES Holdings Pte Ltd

Anode subassembly sheets that include a lithium-metal layer sandwiched between a pair of separator layers to ease handling of the lithium metal to promote fast and efficient stacked-jellyroll assembly. In some embodiments, the separator layers are pressure laminated to the lithium-metal layer without any bonding agent. In some embodiments, a stacked jellyroll is made by alternatingly stacking anode subassembly sheets with cathode sheets. In some embodiments, a functional coating beneficial to the lithium-metal layer is provided to one or more separator layers prior to laminating the separator(s) to the lithium metal layer. Lithium-metal batteries made using stacked jellyrolls made in accordance with aspects of the disclosure are also described.

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Номер записи: 3
03-09-2020 дата публикации

Rechargeable Battery

Номер: US20200280109A1
Автор: Francois Jeff, Hong Jacqueline, Hu Qichao, JR. Arthur R., Jung SangOh, King Mackenzie, Matulevich Yury, Nam YoungGyu, Nigro, Son Yongkyu
Принадлежит:

Battery core packs employing minimum cell-face pressure containment devices and methods are disclosed for minimizing dendrite growth and increasing cycle life of metal and metal-ion battery cells. 1. A battery core pack , comprising:a plurality of cells forming a cell stack, each cell comprising at least one anode and at least one cathode, wherein metal ions are stripped from the anode during discharge and re-plated on the anode during charge; anda containment structure at least partially surrounding the cell stack, wherein said containment structure imparts a substantially uniform surface pressure at certain value to said cell stack.2. The battery core pack of claim 1 , wherein the substantially uniform surface pressure is at least about 50 psi.3. The battery core pack of claim 2 , wherein said cells maintain a discharge capacity of greater than 2.5 Ah over at least 100 charge/discharge cycles.4. The battery core pack of claim 3 , comprising at least four cells with a core pack energy density of at least about 590 Wh/L at 30% SoC.5. The battery core pack of claim 2 , wherein said anode comprises lithium metal.6. The battery core pack of claim 1 , wherein said containment structure comprises a housing into which the cell stack is placed claim 1 , wherein the housing has openings at two ends.7. The battery core pack of claim 6 , further comprising at least one compliant pad claim 6 , wherein the at least one compliant pad is disposed between two cells claim 6 , and the thickness of the at least one compliant pad is determined by the expansion extent of the cell and is optimized between the variables of allowed battery pack volume and durometer rating of the compliant pad.8. The battery core pack of claim 7 , wherein said compliant pad comprises polyurethane sheet material with a Shore durometer of between about 40-90 claim 7 , and a Bashore resilience of between about 22-40%.9. The battery core pack of claim 8 , further comprising a cooling pad disposed between two ...

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Номер записи: 4
31-12-2020 дата публикации

Rechargeable Battery

Номер: US20200411916A1
Автор: Francois Jeff, Hong Jacqueline, Hu Qichao, JR. Arthur R., Jung SangOh, King Mackenzie, Matulevich Yury, Nam YoungGyu, Nigro, Son Yongkyu
Принадлежит:

Battery core packs employing minimum cell-face pressure containment devices and methods are disclosed for minimizing dendrite growth and increasing cycle life of metal and metal-ion battery cells. 1. A battery core pack , comprising:a plurality of cells forming a cell stack, each cell comprising at least one anode and at least one cathode, wherein metal ions are stripped from the anode during discharge and re-plated on the anode during charge; anda containment structure at least partially surrounding the cell stack, wherein said containment structure imparts a substantially uniform surface pressure at certain value to said cell stack.2. The battery core pack of claim 1 , wherein the substantially uniform surface pressure is at least about 50 psi.3. The battery core pack of claim 2 , wherein said cells maintain a discharge capacity of greater than 2.5 Ah over at least 100 charge/discharge cycles.4. The battery core pack of claim 3 , comprising at least four cells with a core pack energy density of at least about 590 Wh/L at 30% SoC.5. The battery core pack of claim 2 , wherein said anode comprises lithium metal.6. The battery core pack of claim 1 , wherein said containment structure comprises a housing into which the cell stack is placed claim 1 , wherein the housing has openings at two ends.7. The battery core pack of claim 6 , further comprising at least one compliant pad claim 6 , wherein the at least one compliant pad is disposed between two cells claim 6 , and the thickness of the at least one compliant pad is determined by the expansion extent of the cell and is optimized between the variables of allowed battery pack volume and durometer rating of the compliant pad.8. The battery core pack of claim 7 , wherein said compliant pad comprises polyurethane sheet material with a Shore durometer of between about 40-90 claim 7 , and a Bashore resilience of between about 22-40%.9. The battery core pack of claim 8 , further comprising a cooling pad disposed between two ...

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Номер записи: 5
07-10-2022 дата публикации

Manufacture of anodes by pattern lamination, anodes manufactured thereby, and electrochemical devices incorporating such anodes

Номер: FR3121553A1
Автор: Arunkumar Tiruvannamalai, Daniel Rourke, Jacqueline Hong, Youngkyu Son
Принадлежит: SES Holdings Pte Ltd

La présente invention concerne un procédé de formation d’anodes pour dispositifs électrochimiques par stratification d’une feuille métallique sur un collecteur de courant et création de morceaux de matériau actif d’anode, composés de la feuille métallique, qui sont espacés les uns des autres par des régions inter-morceaux, chaque région inter-morceaux fournissant un emplacement pour former une ou plusieurs languettes électriques des anodes finies. Le procédé peut comprendre en outre l’application de morceaux de revêtement conducteur sur le collecteur de courant avant de stratifier la feuille métallique sur le collecteur de courant, chaque morceau de revêtement conducteur correspondant à l’un des morceaux de matériau actif d’anode. Dans certains modes de réalisation, les morceaux de revêtement conducteur peuvent aider à former les morceaux de matériau actif d’anode et/ou peuvent améliorer les performances de cyclage d’un dispositif électrochimique fabriqué en utilisant les anodes fabriquées avec ceux-ci. L’invention concerne également des anodes contenant un matériau actif d’anode et des revêtements conducteurs appliqués sur des collecteurs de courant. A method of forming anodes for electrochemical devices by laminating a metal foil to a current collector and creating pieces of anode active material, composed of the metal foil, which are spaced apart by inter-piece regions, each inter-piece region providing a location to form one or more electrical tabs of the finished anodes. The method may further include applying pieces of conductive coating to the current collector before laminating the metal foil to the current collector, each piece of conductive coating corresponding to one of the pieces of anode active material. In some embodiments, the conductive coating pieces can help form the anode active material pieces and/or can improve the cycling performance of an electrochemical device made using the anodes made therewith. The invention also relates to anodes ...

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Номер записи: 6
04-07-2023 дата публикации

Rechargeable battery

Номер: US11695105B2
Автор: Arthur R. Nigro, Jr., Jacqueline Hong, Jeff Francois, Mackenzie King, Qichao HU, SangOh Jung, Yongkyu SON, Younggyu Nam, Yury Matulevich
Принадлежит: SES Holdings Pte Ltd

Battery core packs employing minimum cell-face pressure containment devices and methods are disclosed for minimizing dendrite growth and increasing cycle life of metal and metal-ion battery cells.

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Номер записи: 7
03-08-2023 дата публикации

Anodes comprising an electrically conductive layer between an anode-active material and a current collector, and electrochemical devices incorporating such anodes

Номер: WO2023144729A1
Автор: Arunkumar Tiruvannamalai, Daniel Rourke, Jacqueline Hong, Yongkyu SON
Принадлежит: SES Holdings Pte. Ltd.

A method of forming anodes for electrochemical devices by laminating a metal foil to a current collector and creating anode-active-material patches, composed of the metal foil, that are spaced from one another by inter-patch regions, wherein each inter-patch region provides a location for forming one or more electrical tabs of the finished anodes. The method can further include applying conductive-coating patches to the current collector prior to laminating the metal foil to the current collector, wherein each conductive-coating patch corresponds to one of the anode-active-material patches. In some embodiments, the conductive-coating patches can assist with forming the anode- active-material patches and/or can improve the cycling performance of an electrochemical device made using anodes made therewith. Anodes containing anode-active material and conductive coatings applied to current collectors are also disclosed.

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Номер записи: 8
20-02-2024 дата публикации

Anode fabrication by pattern lamination

Номер: SE545847C2
Автор: Arunkumar Tiruvannamalai, Daniel Rourke, Jacqueline Hong, Youngkyu Son
Принадлежит: SES Holdings Pte Ltd

A method of forming anodes (300) for one or more electrochemical devices, wherein each of the anodes has an electrical tab (10A), the method comprising: providing a current-collector web (324); laminating, on a first side of the current-collector web (324), a metal foil (332) to the currentcollector web (324) as multiple anode-active -material patches (336) spaced from one another so as to provide a webbed anode precursor (304) that includes the anode-active -material patches (336) and inter-patch regions (304A) not containing the metal foil (332); and forming the anodes (300) from the webbed anode precursor (304) so that each anode (300) is formed from a corresponding anodeactive-material patch (336) and the corresponding electrical tab (10A) is formed from one of the inter-patch regions (304A), wherein forming the anodes (300) includes separating the anodes from the webbed anode precursor (304).

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Номер записи: 9