FIELD: electricity.
SUBSTANCE: method for manufacture of water-repelling catalyst includes flocculation of water dispersion for the catalyst particles and water-repellent bond by adding flocculating agents, filtration, drying, thermal treatment and grinding, at that water-repellence treatment of the catalyst is performed in two stages; at that at the first stage water-repelling agent is flocculated and at the second stage the catalyst is coagulated. Manufactured by the above method the water-repelling catalyst is not subject to toxication with substances present in atmosphere and at different stages of manufacture of fuel-cell electrodes and articles with them. The suggested method allows simplifying and cheapening of technology for manufacture of the water-repelling catalyst.
EFFECT: increased specific surface area of the catalyst active form, improved mechanic strength of active layer for the electrode with such catalyst.
9 cl, 1 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| CATALYST FOR RECOMBINATION OF HYDROGEN AND OXYGEN AND METHOD OF MAKING SAID CATALYST | 2008 |
|
RU2361663C1 |
| 0 |
|
SU546366A1 | |
| PROCESS OF MANUFACTURE OF GAS CELL FOR CHEMICAL CURRENT SOURCE | 1992 |
|
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|
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| ELECTROCHEMICAL CELL GAS-DIFFUSION ELECTRODE | 1995 |
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| METHOD FOR MANUFACTURING ELECTROCATALYST FOR SOLID POLYMER FUEL CELL WITH STABILIZED WATER BALANCE | 2022 |
|
RU2788560C1 |
| PROCESS OF MANUFACTURE OF HIGHLY ACTIVE HYDROGEN ELECTRODE FOR CHEMICAL SOURCE OF ELECTRIC ENERGY | 1987 |
|
RU2042236C1 |
| METHOD OF DETERMINING CONCENTRATION OF MERCAPTANES IN GAS MIXTURE | 0 |
|
SU1807380A1 |
