一种碳纳米管能够吸附氢气，用这种材料制备的二次电池原理如图甲所示，该电池的电解质为6 mol/L KOH溶液，下列说法中正确（）_刷题宝

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一种碳纳米管能够吸附氢气，用这种材料制备的二次电池原理如图甲所示，该电池的电解质为6 mol/L KOH溶液，下列说法中正确（）

A：放电时K⁺移向负极

B：放电时电池负极的电极反应为：H₂^—2e^-= 2H⁺

C：放电时电池正极的电极反应为：NiO(OH)+H₂O+e^-= Ni(OH)₂+OH^-

D：该电池充电时将碳电极与电源的正极相连

上一题下一题 0.0难度选择题更新时间:2018-01-30 06:19:14

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C

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