{"id":23363,"date":"2023-07-31T06:53:17","date_gmt":"2023-07-31T06:57:44","guid":{"rendered":"https:\/\/www.htech360.com\/?p=23363"},"modified":"2023-08-01T17:04:35","modified_gmt":"2023-08-01T09:04:35","slug":"11ae63d7ca","status":"publish","type":"post","link":"https:\/\/www.htech360.com\/a\/23363","title":{"rendered":"PEM\u7535\u89e3\u6c34\u5236\u6c22\u4ea7\u6c22\u91cf\u8ba1\u7b97"},"content":{"rendered":"
\n

\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

\"PEM\u7535\u89e3\u6c34\u5236\u6c22\u4ea7\u6c22\u91cf\u8ba1\u7b97\"<\/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

11\/13.971=0.7874=78.74%<\/span><\/strong><\/span><\/p>\n

\u00a0<\/span><\/strong><\/p>\n

\"PEM\u7535\u89e3\u6c34\u5236\u6c22\u4ea7\u6c22\u91cf\u8ba1\u7b97\"<\/p>\n

\u00a0<\/span><\/strong><\/p>\n

 <\/p>\n

\n

\u539f\u6587\u59cb\u53d1\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7\uff08\u6f8e\u7bee\u6c22\u80fd\uff09\uff1aPEM\u7535\u89e3\u6c34\u5236\u6c22\u4ea7\u6c22\u91cf\u8ba1\u7b97<\/a><\/p><\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"

\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 […]<\/p>\n","protected":false},"author":3,"featured_media":23364,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"post_thumbnail_image":"https:\/\/file.htech360.com\/110\/uploads\/2023\/07\/98b0cbfa370e99e8c71e064fb1365e6f.jpeg","content_first_image":"https:\/\/file.htech360.com\/110\/uploads\/2023\/07\/f05de16a4ade1a8b7d2bbea024e1d057.gif!a","post_medium_image_300":"https:\/\/file.htech360.com\/110\/uploads\/2023\/07\/98b0cbfa370e99e8c71e064fb1365e6f.jpeg","post_thumbnail_image_624":"https:\/\/file.htech360.com\/110\/uploads\/2023\/07\/98b0cbfa370e99e8c71e064fb1365e6f.jpeg","post_frist_image":"https:\/\/file.htech360.com\/110\/uploads\/2023\/07\/f05de16a4ade1a8b7d2bbea024e1d057.gif!a","post_medium_image":"https:\/\/file.htech360.com\/110\/uploads\/2023\/07\/98b0cbfa370e99e8c71e064fb1365e6f.jpeg","post_large_image":"https:\/\/file.htech360.com\/110\/uploads\/2023\/07\/98b0cbfa370e99e8c71e064fb1365e6f.jpeg","post_full_image":"https:\/\/file.htech360.com\/110\/uploads\/2023\/07\/98b0cbfa370e99e8c71e064fb1365e6f.jpeg","post_all_images":[{"imagesurl":"https:\/\/file.htech360.com\/110\/uploads\/2023\/07\/f05de16a4ade1a8b7d2bbea024e1d057.gif!a","id":"image0"},{"imagesurl":"https:\/\/file.htech360.com\/110\/uploads\/2023\/07\/9096d75a550b7c33214866a7c1d08f27.png!a","id":"image1"}],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":5,"total_comments":0,"category_name":"\u5236\u6c22","post_date":"2023-07-31","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"1","audios":[],"postImageUrl":"https:\/\/file.htech360.com\/110\/uploads\/2022\/04\/htech360.mini_.logo_.jpg","avatarurls":[],"related_posts":null,"pageviews":3671,"next_post_id":23391,"next_post_title":"\u201c\u6d77\u4e0a\u98ce\u7535+\u6d77\u4e0a\u5236\u6c22\u201d\u5f00\u53d1\u6a21\u5f0f\u63a2\u8ba8","previous_post_id":23284,"previous_post_title":"\u5236\u6c22\u65b9\u6cd5\u5206\u7c7b\uff08\u80fd\u6e90\u3001\u539f\u7406\uff09","_links":{"self":[{"href":"https:\/\/www.htech360.com\/wp-json\/wp\/v2\/posts\/23363"}],"collection":[{"href":"https:\/\/www.htech360.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.htech360.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.htech360.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.htech360.com\/wp-json\/wp\/v2\/comments?post=23363"}],"version-history":[{"count":0,"href":"https:\/\/www.htech360.com\/wp-json\/wp\/v2\/posts\/23363\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.htech360.com\/wp-json\/wp\/v2\/media\/23364"}],"wp:attachment":[{"href":"https:\/\/www.htech360.com\/wp-json\/wp\/v2\/media?parent=23363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.htech360.com\/wp-json\/wp\/v2\/categories?post=23363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.htech360.com\/wp-json\/wp\/v2\/tags?post=23363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}