191问答库 > 有人设计出利用甲烷和氧气的反应，用铂电极在氢氧化钾溶液中构成原电池。电池总反应类似于甲烷在空气中燃烧

有人设计出利用甲烷和氧气的反应，用铂电极在氢氧化钾溶液中构成原电池。电池总反应类似于甲烷在空气中燃烧

求正负极反应式
2025-03-17 02:01:07
推荐回答（2个）
回答1：

甲烷燃料电池：若溶液呈碱性：
负极：CH4-8e-+8OH-=CO2+6H2O
正极：2O2+8e-=8OH-
总反应：CH4+2O2=CO2+2H2O

回答2：

碱性
正极：2O2+8e-=8OH-
负极：CH4+10 OH-=CO3 2-（碳酸根）+3H2O+8e-
总反应：CH4+2O2+2OH-=CO3 2-（碳酸根）+3H2O

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