Cathode, membrane electrode assembly, and battery
US11387465B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Nov 16, 2017 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | May 8, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cathode, a membrane electrode assembly, and a battery, each has excellent durability. The cathode is a cathode of a battery including an electrolyte membrane, the cathode including: a first layer which contains 0.3 mg/cm2 or more and 9.0 mg/cm2 or less of a carbon catalyst; and a second layer which is arranged between the electrolyte membrane and the first layer in the battery, and which contains 0.002 mg/cm2 or more and 0.190 mg/cm2 or less of platinum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.