涓轰涔骞茬垫靛芥1.5V锛

ヨ癸垫姝ｈ垫涔村ㄧ靛垮樊扮垫涓姝ｆ垫靛夸负+0.7710V锛璐涓-0.7628V锛宸间负(+0.7710)-(-0.7628)=1.5338V锛涔灏辨浠垫涓靛

ㄧ瀹娲讳腑锛浠涓寮绉风垫锛濡锛虹垫电垫绛涓杩甯哥ㄧｇ灏瀛浼肩骞茬垫锛骞茬垫澶ф灏杩绉锛浣璁轰涔风骞茬垫锛靛澶чㄥ芥1.5V锛杩负浠涔

杩垫㈢ｄ涓瑗挎炽浠父ㄧ垫板共垫锛濡浣绾靛寮涓骞茬垫锛浣灏变瀹涓存逛婕澧ㄩ灏变锛杩瑰褰姝ｆ冲妫锛冲妫澶㈡寰澶MnO2缁娣峰╋姝ゅ锛杩涓榛绯涓瑗匡瀹浠NH4Cl锛澶灞遍舵绛瀛锛褰璐瑙诧ㄩ绛NH4Cl涔磋澶瀛绾镐涓洪绂诲

骞茬垫ㄥ伐浣跺锛璐澶卞靛锛靛娌跨佃矾涓瀵肩嚎涓璺佃揪姝ｆ锛涔灏辨⒊妫澶锛纰虫靛浼缁NH4Cl锛NH4+寰靛NH3H2杩芥浜鸿虹涓瀵瑰锛垫涓藉璇ユ娴璐涔锛杩靛寰姝ｆ璺锛涓烘浠瀹锛垫瑰佃锋ㄧ瑰锛靛甯碉浠ョ靛х垫瑰杩ㄧ

ㄥ瀛搴圭寮ヨ〃绀猴姝ｆ澶搴Zn-2e-=Zn2+

璐澶搴2NH4++2e-=2NH3+H2

诲搴Zn+2NH4+=Zn2++H2+2NH3

垫涓MnO2浠ヤH2搴锛MnO(OH)锛娑H2ㄧ垫澶锛Zn2+

浠ヤNH3搴锛[Zn(NH3)4]2+锛娑NH3ㄧ垫澶锛浣垮搴存

垫靛姝ｆ辨璐瀛搴纭锛浠╃瀛(╃瀛ㄤㄧ瀛锛瀹灏卞╃瀛涓╃瀛)涓浠浠ョラ锛垫姝ｈ芥垫靛匡靛姝ｆ涓や釜垫靛跨宸笺浣浠ユ垫靛跨瑙ｄ负涓や釜楂搴讹堕搴宸煎氨靛锛扮垫涓姝ｆ垫靛夸负+0.7710V锛璐涓-0.7628V锛宸间负(+0.7710)-(-0.7628)=1.5338V锛涔灏辨浠垫涓靛

辨浠浠ョ猴涓涓垫靛涓卞澶褰㈠冲锛充㈢瀛╄川锛涓烘浠父ㄧ垫芥扮垫锛浠ョ靛芥1.5V锛跺绉绫荤垫锛姣濡垫锛涓哄搴╄川涓锛瀹靛灏辨2V

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浣锛灏

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