\u00a0\u00a0 \u00a0 \u968f\u7740\u6c22\u80fd\u7684\u4e0d\u65ad\u63a2\u7d22\u5f00\u53d1\uff0c\u76f8\u5173\u5236\u6c22\u7684\u6280\u672f\u4e5f\u6709\u5f88\u591a\uff0c\u4f46\u5728\u5f88\u591a\u5b9e\u9a8c\u8fc7\u7a0b\u4e2d\u53d1\u73b0\u4ea7\u6c22\u91cf\u8d85\u8fc7\u4e86\u5927\u5bb6\u8ba1\u7b97\u7684\u7406\u8bba\u503c\uff0c\u8fd9\u4e9b\u5b9e\u9a8c\u5927\u5bb6\u6709\u4eba\u8ba4\u4e3a\u662f\u5931\u8d25\uff0c\u6216\u8005\u7531\u5176\u4ed6\u56e0\u7d20\u4f1a\u6709\u5f71\u54cd\u3002\u5982\u4eca\u6211\u4eec\u5f00\u59cb\u4ece\u4e8bPEM\u7535\u89e3\u6c34\u7684\u5f00\u53d1\u7814\u7a76\u8fc7\u7a0b\u4e2d\u540c\u6837\u4e5f\u53d1\u73b0\u4e86\u91c7\u7528\u6392\u6c34\u6cd5\u6d4b\u91cf\u7684\u6c22\u6c14\u4e5f\u8d85\u8fc7\u4e86\u5927\u5bb6\u8ba1\u7b97\u7684\u7406\u8bba\u503c\uff0c\u4e8e\u662f\u6211\u4eec\u901a\u8fc7\u591a\u6b21\u5b9e\u9a8c\u6392\u51fa\u4e86\u5404\u4e2a\u95ee\u9898\uff0c\u8fd8\u662f\u53d1\u73b0\u4ea7\u6c22\u91cf\u7684\u7ed3\u679c\u5dee\u5f02\u4e0d\u5927\uff0c\u6d4b\u8bd5\u7ed3\u679c\u4e3a11ml\/min*A*cm2<\/sup>\u3002\u6211\u91cd\u65b0\u6574\u7406\u8ba1\u7b97\u4e86\u7406\u8bba\u4ea7\u6c22\u91cf\uff0c\u5219\u53d1\u73b0\u4e0e\u5927\u5bb6\u8ba1\u7b97\u7684\u7ed3\u679c\u6709\u5dee\u5f02\uff0c\u4ee5\u4e0b\u4e3a\u6211\u4eec\u7684\u8ba1\u7b97\u8fc7\u7a0b\uff0c\u5982\u6709\u95ee\u9898\u8bf7\u6307\u6b63\u3002<\/span><\/p>\n <\/span><\/p>\n \u6839\u636e\u7535\u89e3\u6c34\u5236\u6c22\u7684\u53cd\u5e94\u5f0f\u4e3a:<\/span><\/p>\n 2H2<\/sub>O+2e=2H2<\/sub>+O2<\/sub><\/span><\/strong>\uff1b<\/span><\/sub><\/strong>H2<\/sub>O+e=H2<\/sub>+O2<\/sub>\/2<\/span><\/strong><\/span><\/p>\n \u00a0 \u00a0\u901a\u8fc7\u4e0a\u5f0f\u53ef\u77e51\u4e2a\u6c34\u5206\u5b50+1\u4e2a\u7535\u5b50\u5206\u89e3\u4e3a1\u4e2a\u6c22\u5206\u5b50+1\/2\u4e2a\u6c27\u5206\u5b50\uff0c\u901a\u5e38\u6211\u4eec\u662f\u7ed9PEM\u7535\u89e3\u69fd\u901a\u7684\u662f\u76f4\u6d41\u7535\uff0c\u6309\u7167\u4e0a\u6d77\u6f8e\u84dd\u6d4b\u8bd5\u6570\u636e\u4e3a1.65V\/cm2<\/sup>*A\u4e3a\u4f8b\uff0c\u8be5\u53c2\u6570\u8868\u793a\u6bcf\u5e73\u65b9\u5398\u7c73\u901a\u8fc71A\u7535\u6d41\u662f\u7535\u89e3\u69fd\u7535\u538b\u4e3a1.65V\u3002\u90a3\u4e48\u8fd9\u91cc\u6211\u4eec\u4fbf\u4ee51A\u7684\u7535\u6d41\u8ba1\u7b97\u6bcf\u5e73\u65b9\u5398\u7c73\u7684\u4ea7\u6c22\u91cf\u3002<\/span><\/p>\n \u00a0 \u00a0\u90a3\u4e48\u5b89\u57f9\u4e0e\u7535\u5b50\u4e4b\u95f4\u7684\u8f6c\u6362\u5173\u7cfb\u4e3a :<\/span><\/p>\n 1A=1C\/s <\/span><\/strong>\uff08C\u4e3a\u5e93\u4f26\u6570\uff09<\/span><\/strong><\/span><\/p>\n \u00a0 \u00a0\u5e93\u4f26\u7684\u5b9a\u4e49\uff1a\u82e5\u5bfc\u7ebf\u4e2d\u8f7d\u67091<\/span>\u5b89\u57f9\u7684\u7a33\u5b9a\u7535\u6d41\uff0c\u5219\u57281\u79d2\u5185\u901a\u8fc7\u5bfc\u7ebf<\/span>\u6a2a\u622a\u9762\u7684\u7535\u91cf\u4e3a1\u5e93\u4ed1\u3002<\/span><\/span><\/p>\n \u00a0 \u00a0\u4e00\u4e2a\u7535\u5b50\u6240\u5e26\u8d1f\u7535\u8377\u91cfe=1.602176634\u00d710<\/span>-19<\/span><\/sup>\u5e93\u4ed1\uff0c\u4e5f\u5c31\u662f\u8bf41\u5e93\u4ed1\u76f8\u5f53\u4e8e6.24150974\u00d710<\/span>18<\/span><\/sup>\u4e2a\u7535\u5b50\u6240\u5e26\u7684\u7535\u8377\u603b\u91cf\u3002<\/span><\/p>\n \u00a0 \u00a0\u901a\u8fc7\u4ee5\u4e0a\u5b9a\u4e49\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\u901a\u8fc71cm2\u9762\u79ef\u7684\u7535\u5b50\u901f\u5ea6\u4e3a\u4e8e6.24150974\u00d710<\/strong><\/span>18<\/span><\/sup><\/strong>(<\/span><\/strong>\u4e2a\/s)<\/span><\/strong>\uff1b<\/span><\/p>\n \u00a0 \u00a0\u6839\u636e\u7535\u89e3\u6c34\u5236\u6c22\u7684\u53cd\u5e94\u5f0fH2<\/sub>O+e=H2<\/sub>+O2<\/sub>\/2\uff0c<\/strong><\/span>\u4e5f\u5c31\u662f\u8bf4\u7406\u8bba\u4e0a\u67096.24150974\u00d710<\/strong><\/span>18<\/span><\/sup><\/strong>(<\/span><\/strong>\u4e2a\/s)<\/span><\/strong>\u7535\u5b50\u53c2\u4e0e\u53cd\u5e94\u751f\u4ea7\u4e86\u6c22\u6c14\uff0c\u90a3\u4e48\u6c22\u6c14\u7684\u6570\u91cf\u5e94\u8be5\u4e3a6.24150974\u00d710<\/strong><\/span>18<\/span><\/sup><\/strong>(<\/span><\/strong>\u4e2a\/s)<\/span><\/strong>\u6c22\u5206\u5b50\u4ea7\u751f(\u6839\u636e\u53cd\u5e94\u5f0f\u8fd9\u4e9b\u7535\u5b50\u5176\u5b9e\u4f9b\u7ed9\u4e86\u6c27\u5206\u5b50\u5f62\u6210\u4e86\u5171\u4ef7\u952e\uff0c\u6c22\u6c14\u7528\u7684\u7535\u5b50\u6765\u6e90\u4e8e\u6c34\u91cc\u7684\u7535\u5b50)\u3002<\/span><\/p>\n \u00a0 \u00a0\u6c22\u5206\u5b50\u6570\u91cf\u8ba1\u7b97\u51fa\u6765\u4e86\uff0c\u90a3\u6211\u4eec\u5982\u4f55\u8f6c\u6362\u4e3a\u6211\u719f\u6089\u7684ml\/s\u6216\u8005ml\/min\uff0c\u8fd9\u91cc\u6211\u4eec\u5f15\u8fdb\u6469\u5c14\u7684\u5b9a\u4e49\u2014\u2014<\/span>\u56fd\u9645\u8ba1\u91cf\u5927\u4f1a\u901a\u8fc7\u51b3\u8bae\uff0c1\u6469\u5c14\u5c06\u5b9a\u4e49\u4e3a\u201c\u7cbe\u786e\u5305\u542b6.02214076\u00d710\u00b2\u00b3\u4e2a\u539f\u5b50\u6216\u5206\u5b50\u7b49\u57fa\u672c\u5355\u5143\u7684\u7cfb\u7edf\u7684\u7269\u8d28\u7684\u91cf\u201d\u3002\u4e0e\u6b64\u540c\u65f6\u786e\u5b9a\u4e86\u963f\u4f0f\u4f3d\u5fb7\u7f57\u5e38\u6570NA\u4e3a6.02214076\u00d710\u00b2\u00b3\u3002<\/span><\/p>\n 1cm2<\/sup><\/span>\u4ea7<\/span><\/strong><\/span>\u751f\u7684\u6c22\u6c14\u6469\u5c14<\/span><\/strong>=\u6c22\u5206\u5b50\u6570\u91cf\/\u6469\u5c14\u6570<\/span><\/strong><\/span><\/p>\n \u00a0 <\/span><\/strong><\/span>1cm2<\/sup><\/span>\u4ea7<\/span><\/strong><\/span>\u751f\u7684\u6c22\u6c14\u6469\u5c14=<\/span><\/strong><\/span><\/p>\n 6.24150974\u00d710<\/strong><\/span>18<\/span><\/sup><\/strong>(<\/span><\/strong>\u4e2a\/s)\/<\/span><\/strong> 6.02214076\u00d710\u00b2\u00b3<\/span><\/strong><\/strong>\u4e2a\/mol<\/span><\/strong><\/span><\/p>\n =<\/span><\/strong>1.0362<\/span><\/strong>\u00d7<\/span><\/strong>10-5<\/sup><\/span><\/strong>mol\/s<\/span><\/strong><\/span><\/p>\n \u00a0 \u00a0\u67e5\u8d44\u6599\u53ef\u77e5\uff1a\u6c22\u6c14\u7684<\/span>\u6469\u5c14\u8d28\u91cf<\/span>\u4e3a2g\/mol\uff0c\u90a3\u4e48<\/span><\/p>\n 1cm2<\/sup><\/span>\u4ea7\u751f<\/span><\/strong><\/span>\u7684\u6c22\u6c14\u6469\u5c14x<\/span>\u6469\u5c14\u8d28\u91cf<\/span>=1cm2<\/sup><\/span>\u4ea7\u751f\u7684\u6c22\u6c14\u8d28\u91cf\u6d41\u91cf<\/span><\/strong><\/span><\/p>\n 1.0362<\/span><\/strong>\u00d71<\/span><\/strong>0-5<\/sup>mol\/s\u00d72g\/mol<\/span><\/strong><\/span><\/p>\n =<\/span><\/strong>2.0724\u00d710-5g\/s<\/span><\/strong>=<\/span><\/strong>0.020724mg\/s<\/span><\/strong><\/span><\/span><\/p>\n =<\/span><\/strong><\/span>1.24344mg\/min<\/span><\/strong><\/span><\/p>\n \u6c22\u6c14\u7684\u5bc6\u5ea6\u4e3a0.089kg\/m3=0.089g\/L=0.089mg\/ml\uff0c\u90a3\u4e481cm2\u4ea7\u751f\u7684\u6c22\u6c14\u4f53\u79ef\u6d41\u91cf\u4e3a:<\/span><\/p>\n 1cm2<\/sup><\/span>\u4ea7\u751f<\/span><\/strong><\/span>\u7684\u6c22\u6c14\u4f53\u79ef\u6d41\u91cf=1cm2<\/sup><\/span>\u4ea7\u751f\u7684\u6c22\u6c14\u8d28\u91cf\u6d41\u91cf\/\u6c22\u6c14\u5bc6\u5ea6<\/span><\/strong><\/span><\/p>\n 1.24344<\/span><\/strong>\uff08mg\/min\uff09\/<\/span><\/strong>0.089<\/span><\/strong>\uff08mg\/ml\uff09=13.971ml\/min<\/span><\/strong><\/span><\/p>\n \u00a0 \u00a0 \u00a0\u4ee5\u4e0a\u4e3a\u7406\u8bba\u4ea7\u6c22\u91cf\uff0c\u90a3\u4e48\u6211\u6d4b\u8bd5\u7684\u7ed3\u679c\u4e3a<\/span>11ml\/min*A*cm2<\/sup><\/span>,\u5219\u8f6c\u6362\u6548\u7387\u4e3a\uff1a<\/span><\/p>\n