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| Chinese National Standard Category: Electrochemical power source |
| English Title: | Proton exchange membrane fuel cell—Part 4: Test method for electrocatalysts |
| Chinese Title: | 质子交换膜燃料电池 第4部分：电催化剂测试方法 |
| Standard No.: | GB/T 20042.4-2025 |
| Category No.: | K82 |
| Issued by: | SAMR; SAC |
| Issued on: | 2025-8-29 |
| Implemented on: | 2026-3-1 |
| Status: | to be valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/T 20042.4-2009 Proton exchange membrane fuel cell - Part 4: Test method for electrocatalysts |
| Word Count: | 14000 words |
| Similar Standards: | GB/T 28164.2-2025 GB/T 46314-2025 GB/T 20042.4-2025 GB/T 33339-2025 GB/T 32509-2025 KA 26-2025 GB 40559-2024 GB 44240-2024 GB/T 20042.5-2024 T/TMAC 156-2025 DB32/T 5120-2025 T/CITS 383-2025 T/CITS 384-2025 T/CASME 1929-2025 T/CASME 1930-2025 T/CASME 1908-2025 T/YNIA 025-2024 T/SHPTA 116-2024 T/ZSA 256-2024 GB/T 43695-2024 |
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