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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 5. Отображено 5.
30-05-2023 дата публикации

Method for preparing efficient self-supporting oxygen evolution electrocatalyst by using cation exchange method

Номер: CN116180138A
Автор: ZHENG XIAOHANG, YE ZHENYU, YAN YAOTIAN, WANG PEIJIA, ZHONG WENJIE, DUN LIANG, WANG HONGDA, SUI XIEHE, CAI WEI
Принадлежит:

The invention discloses a method for preparing an efficient self-supporting oxygen evolution electrocatalyst by using a cation exchange method, and relates to a preparation method of an oxygen evolution electrocatalyst. The problems that existing ferro-nickel double hydroxides are poor in conductivity and few in active sites are solved. The preparation method comprises the following steps: 1, preparing a precursor by using a hydrothermal method; 2, soaking the precursor in a chemical bath; the method is used for preparing the efficient self-supporting oxygen evolution electrocatalyst by using the cation exchange method.

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Номер записи: 1
12-05-2023 дата публикации

Preparation method of self-supporting efficient difunctional electrocatalyst

Номер: CN116103690A
Автор: ZHENG XIAOHANG, YE ZHENYU, YAN YAOTIAN, WANG PEIJIA, ZHONG WENJIE, DUN LIANG, WANG HONGDA, SUI XIEHE, CAI WEI
Принадлежит:

The invention relates to a preparation method of a difunctional electrocatalyst, in particular to a preparation method of a self-supporting efficient difunctional electrocatalyst. The problems that an existing transition metal-based catalyst is complex in preparation process and poor in full water decomposition performance are solved. The preparation method comprises the following steps: 1, preparing a precursor by using a hydrothermal method; 2, phosphorizing the precursor by using a chemical vapor deposition method; the preparation method is used for preparing the self-supporting high-efficiency difunctional electrocatalyst.

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Номер записи: 2
02-06-2023 дата публикации

Preparation method of nano hard alloy compound electrocatalyst with multiple defect active sites

Номер: CN116200772A
Автор: ZHENG XIAOHANG, HUANG KEKE, YAN YAOTIAN, ZHANG XIANDA, YE ZHENYU, SUI XIEHE, CAI WEI
Принадлежит:

The invention relates to a preparation method of a nano hard alloy compound electrocatalyst, in particular to a preparation method of a nano hard alloy compound electrocatalyst with multiple defect active sites. The problem that the catalytic activity of a hard alloy type compound is difficult to improve through defect engineering is solved. The preparation method comprises the following steps: 1, synthesizing a precursor; 2, preparing an active substance; and 3, applying inductive plasma to the active substance. The method is used for preparing the nano hard alloy compound electrocatalyst with multiple defect active sites.

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Номер записи: 3
23-05-2023 дата публикации

Preparation method of CuCoNiMoFe multi-element oxide electrolyzed water catalyst

Номер: CN116145177A
Автор: ZHENG XIAOHANG, ZHONG WENJIE, YAN YAOTIAN, WANG PEIJIA, YE ZHENYU, DUN LIANG, WANG HONGDA, SUI XIEHE, CAI WEI
Принадлежит:

The invention discloses a preparation method of a CuCoNiMoFe multi-element oxide electrolyzed water catalyst, and relates to a preparation method of a transition metal-based multi-element oxide electrolyzed water catalyst. The problem that an existing transition metal-based multi-component oxide preparation technology is tedious is solved. The preparation method comprises the following steps: 1, weighing; 2, dripping the precursor solution on a substrate, and then drying; and 3, carbon thermal shock treatment. The preparation method is used for preparing the CuCoNiMoFe multi-element oxide electrolyzed water catalyst.

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Номер записи: 4
04-04-2023 дата публикации

Preparation method of high-thermal-stability low-contact-resistance barrier layer based on MgAgSb-based thermoelectric material

Номер: CN115915896A
Автор: SUI XIEHE, XIE LIANGJUN, LIU ZIHANG, GUO FENGKAI
Принадлежит:

The invention relates to a preparation method of a barrier layer, in particular to a preparation method of a high-thermal-stability low-contact-resistance barrier layer based on an MgAgSb-based thermoelectric material. The invention aims to solve the problem that a MgAgSb/Mg3Bi2 device cannot realize long-term stability due to the fact that a barrier layer used by the existing MgAgSb is Ag and Ag3Sb is easily generated in the MgAgSb in an Ag-rich environment. The method comprises the following steps: 1, preparing MgCuSb nano powder; secondly, MgCu < 0.1 > Ag < 0.87 > Sb < 0.99 > nano powder is prepared; and 3, preparing a thermoelectric power generation device with the concentration of MgCu being 0.1, Ag being 0.87, Sb being 0.99-Mg being 3.2, Bi being 1.5 and Sb being 0.5. The method is used for preparing the high-thermal-stability low-contact-resistance barrier layer based on the MgAgSb-based thermoelectric material.

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Номер записи: 5