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yss9833

铁虫 (初入文坛)

[求助] Pt/C催化剂HER过电势高 已有2人参与

为什么我的Pt/C 析氢过电势有590mv 但起始电势很低
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电化学ZCZ

木虫 (小有名气)


【答案】应助回帖

是用RDE电极测试的吗?(1)校准一下参比电极;(2)负载量合适;(3)ink配方调节,催化剂滴涂要均匀干燥。如果有其它问题,可以站内私信沟通
2楼2021-06-11 11:32:01
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流年易辰

铁杆木虫 (小有名气)

【答案】应助回帖

电解液是酸性还是碱性?
达到多少电流密度的过电势是590 mV?
Pt/C是商业的,还是购买的?Pt/C中Pt的质量分数是多少?
催化剂担载量是多少?
3楼2021-06-12 11:00:04
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