\u5149\u4f0f\u53d1\u7535\u5b58\u5728\u95f4\u6b47\u6027\u7684\u7f3a\u70b9\uff0c\u9700\u8981\u4e00\u4e2a\u53ef\u6301\u7eed\u7684\u50a8\u80fd\u7cfb\u7edf\u6765\u6ee1\u8db3\u9700\u6c42\u3002\u4ecb\u7ecd\u5149\u4f0f-PEM (\u00a0\u8d28\u5b50\u4ea4\u6362\u819c)\u00a0\u50a8\u6c22\u7cfb\u7edf\uff0c\u5c06\u7535\u80fd\u8f6c\u5316\u4e3a\u6c22\u6c14\u50a8\u5b58\uff0c\u540e\u671f\u518d\u901a\u8fc7PEM\u71c3\u6599\u7535\u6c60\u5c06\u6c22\u6c14\u8f6c\u5316\u4e3a\u7535\u80fd\u3002\u8be5\u7cfb\u7edf\u5305\u542b\u5149\u4f0f\u53d1\u7535\u7cfb\u7edf\u3001PEM\u5236\u6c22\u7535\u89e3\u69fd\u4ee5\u53ca\u71c3\u6599\u7535\u6c60\u7b49\uff0c\u901a\u8fc7\u7535\u89e3\u6c34\u4ea7\u751f\u6c22\u6c14\uff0c\u6c22\u6c14\u5728\u9ad8\u538b\u4e0b\u50a8\u5b58\u5728\u538b\u7f29\u50a8\u7f50\u4e2d\u4ee5\u5907\u540e\u7528\uff0c\u540e\u671f\u7cfb\u7edf\u6709\u9700\u8981\u65f6\uff0c\u6c22\u6c14\u5c06\u901a\u8fc7PEM\u71c3\u6599\u7535\u6c60\u91cd\u65b0\u8f6c\u5316\u4e3a\u7535\u80fd\u3002\u5149\u4f0f\u53d1\u7535\u7cfb\u7edf\u7684\u8f93\u51fa\u7535\u6d41\u7531PI\u63a7\u5236\u5668\u63a7\u5236\uff0c\u4ee5\u7a33\u5b9a\u7535\u89e3\u69fd\u7684\u8f93\u5165\u7535\u6d41\u3002\u5bf9\u4e8e\u5149\u4f0f-PEM \u50a8\u6c22\u7cfb\u7edf\uff0c\u4e3b\u8981\u95ee\u9898\u662f\u5bf9\u5929\u6c14\u6761\u4ef6\u7684\u4f9d\u8d56\u3002\u901a\u8fc7\u7cfb\u7edf\u5efa\u6a21\u6765\u6a21\u62df\u5149\u4f0f-PEM \u50a8\u6c22\u7cfb\u7edf\u7684\u8fd0\u884c\u8fc7\u7a0b\uff0c\u8bc4\u4f30\u4e0e\u592a\u9633\u80fd\u5149\u4f0f\u8f93\u51fa\u7535\u6d41\u76f8\u5173\u7684\u5149\u7167\u5f3a\u5ea6\u5bf9\u6c22\u6c14\u751f\u4ea7\u3001\u6c22\u6c14\u50a8\u5b58\u4ee5\u53ca\u540e\u671f\u6c22\u6c14\u518d\u7535\u6c14\u5316\u7684\u5f71\u54cd\uff0c\u4e3a\u540e\u7eed\u6709\u52a9\u4e8e\u7f13\u89e3\u4e0e\u592a\u9633\u80fd\u3001\u98ce\u529b\u53d1\u7535\u548c\u5176\u4ed6\u95f4\u6b47\u6027\u53d1\u7535\u76f8\u5173\u7684\u50a8\u80fd\u95ee\u9898\u5960\u5b9a\u57fa\u7840\u3002<\/span><\/p>\n<\/section>\n 0<\/p>\n<\/section>\n \u524d\u8a00<\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n \n \u592a\u9633\u80fd\u53d1\u7535\u7cfb\u7edf\u7684\u7f3a\u70b9\u662f\u95f4\u6b47\u6027\uff0c<\/span>\u9700\u8981\u4e00\u4e2a\u53ef\u6301\u7eed\u7684\u50a8\u80fd\u7cfb\u7edf\u6765\u6ee1\u8db3\u7535\u529b\u9700\u6c42\u3002<\/span>\u6587\u4e2d\u7684\u76ee\u7684\u662f\u8bc4\u4f30\u4e0e\u592a\u9633\u80fd\u5149\u4f0f\u8f93\u51fa\u7535\u6d41\u76f8\u5173\u7684\u5149\u7167\u5f3a\u5ea6\u5bf9\u6c22\u6c14\u751f\u4ea7\u3001\u6c22\u6c14\u50a8\u5b58\u4ee5\u53ca\u540e\u671f\u6c22\u6c14\u518d\u7535\u6c14\u5316\u7684\u5f71\u54cd\u3002<\/span><\/p>\n 1<\/p>\n<\/section>\n \u5149\u4f0f-PEM\u50a8\u6c27\u7cfb\u7edf\u5efa\u6a21<\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n \n \u5149\u4f0f\uff0dPEM\u50a8\u6c22\u7cfb\u7edf\u4e3b\u8981\u7531\u5149\u4f0f\u53d1\u7535\u7cfb\u7edf\u3001PEM\u5236\u6c22\u7535\u89e3\u69fd\u3001\u50a8\u6c22\u7f50\u3001PEM\u71c3\u6599\u7535\u6c60\u7ec4\u6210\u3002PEM\u5236\u6c22\u7535\u89e3\u69fd\u901a\u8fc7\u5e26\u7535\u6d41\u63a7\u5236\u5668\u7684\u964d\u538b\u8f6c\u6362\u5668\u4e0e\u5149\u4f0f\u53d1\u7535\u7cfb\u7edf\u8fde\u63a5\uff0c\u6052\u5b9a\u538b\u529b\u548c\u4e0d\u540c\u6e29\u5ea6\u4e0b\u4ea7\u751f\u6c22\u6c14\uff0c\u4ea7\u751f\u7684\u6c22\u6c14\u5c06\u5728\u9ad8\u538b\u4e0b\u50a8\u5b58\u5728\u50a8\u6c22\u7f50\u4e2d\uff0c\u540e\u671f\u50a8\u5b58\u7684\u6c22\u5c06\u901a\u8fc7PEM\u71c3\u6599\u7535\u6c60\uff0c\u901a\u8fc7\u518d\u7535\u6c14\u5316\u8f6c\u5316\u4e3a\u7535\u80fd\u3002\u7cfb\u7edf \u7ed3\u6784\u5982\u56fe1\u6240\u793a\u3002<\/span><\/p>\n \u00a0<\/span><\/p>\n <\/p>\n <\/p>\n \n \u5149\u4f0f\u53d1\u7535\u7cfb\u7edf\u4e3b\u8981\u662f\u7531\u5149\u4f0f\u7535\u6c60\u4e32\u5e76\u8054\u8fde\u63a5\u800c<\/span>\u6210\uff0c\u6240\u4ee5\u5176 I\uff0dU \u7279\u6027\u5173\u7cfb\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/span><\/p>\n \u00a0<\/span><\/p>\n <\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n <\/p>\n <\/p>\n \u00a0<\/span><\/p>\n PEM \u7535\u89e3\u69fd\u7684\u7b49\u6548\u7535\u8def\u5982\u56fe 3 \u6240\u793a\u3002<\/span><\/p>\n \u00a0<\/span><\/p>\n <\/p>\n \u00a0<\/span><\/p>\n <\/p>\n \u00a0<\/span><\/p>\n \u5f0f\u4e2d: V( T\uff0cp) \u4e3a\u5236\u6c22\u7535\u89e3\u69fd\u7684\u8f93\u5165\u7535\u538b; ( T\uff0c p) \u5206\u522b\u8868\u793a\u6e29\u5ea6\u548c\u538b\u529b; erev( T\uff0cp) \u4e3a\u53cd\u5411\u7535\u538b\uff0c\u5373\u7535\u89e3\u6c34\u53cd\u5e94\u9700\u8981\u7684\u6700\u5c0f\u7535\u538b; \uff32i ( T\uff0cp) \u4e3a\u521d\u59cb PEM \u7535\u89e3\u69fd\u7535\u963b; I \u4e3a\u8f93\u5165\u7535\u6d41\u3002\u7535\u6d41\u76f4\u5230\u7535\u89e3\u7535\u538b\u8fbe\u5230\u4e34\u754c\u503c ( V( T\uff0cp) \u2265 erev( T\uff0cp) ) \u624d\u5f00\u59cb\u6d41\u52a8\uff0c\u53ef\u4ee5\u8868\u793a\u4e3a:<\/span><\/p>\n \u00a0<\/span><\/p>\n <\/p>\n \n \u3001\u5f0f\u4e2d: \uff32i0<\/sub>\u4e3a\u521d\u59cb\u7535\u963b; p0<\/sub>\u548c T0<\/sub>\u5206\u522b\u4e3a\u53c2\u8003\u538b\u529b\u548c\u6e29\u5ea6;d\uff32<\/sub><\/span>t<\/sub><\/span>\u4e3a\u7535\u963b\u6e29\u5ea6\u7cfb\u6570; k \u4e3a\u66f2\u7ebf\u62df\u5408\u53c2\u6570\u3002\u7535\u89e3\u69fd\u6240\u9700\u8981\u7684\u6700\u5c0f\u7535\u538b\u53ef\u4ee5\u8868\u793a\u4e3a:<\/span><\/p>\n \n \u5f0f\u4e2d: F \u4e3a\u6cd5\u62c9\u7b2c\u5e38\u6570; p \u4e3a\u5b9e\u9645\u538b\u529b\u3002\u7535\u89e3\u69fd\u7684\u7406\u60f3\u7535\u538b Vi \u53ef\u4ee5\u8868\u793a\u4e3a:<\/span><\/p>\n \n \u5409\u5e03\u65af\u81ea\u7531\u80fd \u0394G \u7528\u4e0b\u5f0f\u8868\u793a:<\/span><\/p>\n <\/p>\n <\/p>\n \n \u5f0f\u4e2d: \uff32 \u4e3a\u7406\u60f3\u6c14\u4f53\u5e38\u6570\u3002\u5236\u6c22\u901f\u7387 vH\u53ef\u4ee5\u8868\u793a\u4e3a:<\/span><\/p>\n \u00a0<\/span><\/span><\/p>\n \u5f0f ( 11) \u4e2d\uff0c\u4ea7\u6c22\u901f\u7387\u4ee5 mL \/min \u8868\u793a\uff0c\u5b83\u540c\u65f6 \u53ef\u4ee5\u7528 L \/ s \u8868\u793a\uff0c\u4e5f\u53ef\u4ee5\u8868\u793a\u4e3a:<\/span><\/p>\n \n \u5728\u7a33\u6001\u6761\u4ef6\u4e0b\uff0c\u5bf9\u4e8e\u591a\u4e2a PEM \u7535\u89e3\u69fd\uff0c\u8f93\u5165\u7535\u538b\u8868\u793a\u5982\u4e0b:<\/span><\/p>\n \n \u5f0f\u4e2d: ns\u3001np \u5206\u522b\u4e3a PEM \u7535\u89e3\u69fd\u7684\u4e32\u3001\u5e76\u8054\u6570\u3002\u6bcf\u79d2\u4ea7\u751f\u7684\u6c22\u6c14\u7684\u5316\u5b66\u80fd\u8868\u793a\u4e3a\uff1a<\/span><\/p>\n \n \u7535\u89e3\u69fd\u5b9e\u9645\u83b7\u5f97\u7684\u529f\u7387\u8868\u793a\u4e3a\uff1a<\/span><\/p>\n \u00a0<\/span><\/span><\/p>\n 1.3\u00a0\u50a8\u6c22\u7f50\u5efa\u6a21<\/span><\/strong><\/p>\n \u00a0<\/strong><\/span><\/p>\n <\/p>\n \u00a0<\/span><\/p>\n \u5f0f\u4e2d: pt \u548c pti \u5206\u522b\u4e3a\u50a8\u7f50\u7684\u538b\u529b\u548c\u521d\u59cb\u538b\u529b; MH2<\/sub>\u4e3a\u6c22\u6c14\u7684\u6469\u5c14\u8d28\u91cf ( kg \/ kmol) ; NH2<\/sub>\u4e3a\u7535\u89e3\u69fd\u4ea7\u751f \u5e76\u8f93\u9001\u5230\u50a8\u7f50\u7684\u6c22\u6c14\u901f\u7387 ( mol\/ s) ; Tt \u4e3a\u50a8\u6c22\u7f50\u7684\u5de5\u4f5c\u6e29\u5ea6 ( K) ; Vt \u4e3a\u50a8\u7f50\u7684\u4f53\u79ef ( m3<\/sup>) ; z \u4e3a\u538b\u7f29\u7cfb\u6570\u3002<\/span><\/p>\n \u00a0<\/span><\/p>\n <\/p>\n \n <\/p>\n \n \u5176\u4e2d: N \u662f\u4e32\u8054\u7535\u6c60\u7684\u6570\u91cf; Ifc \u548c Vfc \u5206\u522b\u4e3a\u6bcf \u4e2a PEM \u71c3\u6599\u7535\u6c60\u7684\u7535\u6d41\u548c\u7535\u538b\u3002<\/span>PEM \u71c3\u6599\u7535\u6c60\u6bcf\u79d2\u6d88\u8017\u7684\u6c22\u6c14\u91cf\u4e3a:<\/span><\/p>\n \u00a0<\/span><\/p>\n <\/p>\n \n PEM \u71c3\u6599\u7535\u6c60\u6bcf\u79d2\u4ea7\u751f\u7684\u6c34\u91cf\u4e3a:<\/span><\/p>\n \n 2\u00a0<\/span><\/p>\n<\/section>\n \u4eff\u771f\u7ed3\u679c\u4e0e\u5206\u6790<\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n \u00a0<\/span><\/p>\n \u5728 MATLAB \u73af\u5883\u4e2d\u4eff\u771f\u548c\u6a21\u62df\u53ef\u518d\u751f\u6c22\u7684\u751f\u4ea7\u548c\u50a8\u5b58\u6a21\u578b\u3002\u5149\u7167\u5f3a\u5ea6\u5728t=0.1s\u65f6\u53d1\u751f\u53d8\u5316\uff0c\u75311000W\/m2<\/sup>\u4e0b\u964d\u5230800W\/m2<\/sup>\uff0c\u6b64\u65f6\u6e29\u5ea6\u4fdd\u6301\u8fde\u7eed\u3002\u56fe4\u6a21\u62df\u4e86\u5149\u4f0f\u677f\u529f\u7387\u3002\u7531\u4e8e\u5176\u4f9d\u8d56\u4e8e\u5149\u7167\u5f3a\u5ea6\u548c\u7535\u6d41\uff0c\u5149\u4f0f\u677f\u529f\u7387\u5728t=0.1s\u65f6\u964d\u4f4e\u3002\u5355\u4e2aPEM\u7535\u89e3\u69fd\u7684\u989d\u5b9a\u7535\u6d41\u5bc6\u5ea6\u4e3a 1 A\/cm2<\/sup>\uff0c\u989d\u5b9a\u7535\u538b\u4e3a2V\uff0c\u7814\u7a76\u7684\u5236\u6c22\u7535\u89e3\u69fd\u753112\u4e2a250cm2<\/sup>\u7684\u7535\u89e3\u69fd\u4e32\u8054\u8fde\u63a5\u7ec4\u6210\uff0c\u6240\u4ee5\u6b64\u65f6\u5176\u989d\u5b9a\u7535\u538b\u4e3a24V\u3002\u56e0\u6b64\u7535\u89e3\u69fd\u5fc5\u987b\u75316kW \u4f9b\u7535\u624d\u80fd\u751f\u4ea7\u53ef\u518d\u751f\u6c22\u6c14\u3002\u964d\u538b\u63a7\u5236\u5668\u5bf9\u7535\u6d41\u8fdb\u884c\u4e86\u6709\u6548\u7684\u63a7\u5236\uff0c\u5c06\u7535\u89e3\u69fd\u7684\u8f93\u5165\u7535\u6d41\u56fa\u5b9a\u5728250A\uff0c\u8be5\u503c\u968f\u7740\u5149\u7167\u5f3a\u5ea6\u7684\u51cf\u5c0f\u5728t=0.1s \u65f6\u964d\u4f4e\u5230200A\uff0c\u5982\u56fe5\u6240\u793a\u3002\u56fe6\u8868\u793a\u5728 t =0.1s \u65f6\uff0c\u968f\u7740\u7535\u6d41\u7684\u51cf\u5c0f\uff0cPEM \u7535\u89e3\u69fd\u529f\u7387\u4e5f\u51cf\u5c0f\u3002<\/span><\/p>\n \u00a0<\/span><\/p>\n \u4ece\u56fe7\u53ef\u4ee5\u770b\u51fa: \u7535\u538b\u4ece\u4e34\u754c\u7535\u538b17.87V \u5f00\u59cb\u53d8\u5316\uff0c\u6b64\u65f6\u66f2\u7ebf\u7684\u7ebf\u6027\u90e8\u5206\u4ee3\u8868\u5236\u6c22\u7535\u89e3\u69fd\u7684\u5185\u963b\u3002\u56fe8\u63d0\u5230\u4e86\u7535\u89e3\u69fd\u7535\u538b\u7684\u975e\u7ebf\u6027\u90e8\u5206\uff0c\u975e\u7ebf\u6027\u548c\u7ebf\u6027\u90e8\u5206\u4e4b\u95f4\u7684\u8fc7\u6e21\u533a\u57df\u4ee3\u8868\u4e86\u5236\u6c22\u7535\u89e3\u69fd\u53d1\u751f\u53cd\u5e94\u7684\u6fc0\u6d3b\u533a\u57df\u3002<\/span><\/p>\n \u00a0<\/span><\/p>\n <\/p>\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/span><\/p>\n <\/p>\n \u00a0<\/span><\/span><\/span><\/p>\n \u5236\u6c22\u901f\u7387\u968f\u7535\u6d41\u548c\u65f6\u95f4\u53d8\u5316\u66f2\u7ebf\u5982\u56fe9\u6240\u793a\u3002\u66f2\u7ebf\u8868\u660e\u4ea7\u6c22\u53d6\u51b3\u4e8e\u7535\u6d41\u7684\u53d8\u5316\uff0c\u800c\u7535\u6d41\u7684\u53d8\u5316\u76f4\u63a5\u53d6\u51b3\u4e8e\u5149\u7167\u5f3a\u5ea6\u53d8\u5316\u3002\u4ece\u56fe10\u548c\u56fe11\u53ef\u4ee5\u770b\u51fa: \u7535\u89e3 \u69fd\u5236\u6c22\u91cf\u548c\u71c3\u6599\u7535\u6c60\u6bcf\u79d2\u8017\u6c22\u91cf\u968f\u65f6\u95f4\u53d8\u5316\u7684\u66f2\u7ebf\u5927\u81f4\u76f8\u540c\u3002<\/span><\/p>\n \u00a0<\/span><\/p>\n <\/p>\n \n <\/p>\n <\/p>\n \u00a0 \u00a0<\/span><\/span>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/span>\u00a0 \u00a0<\/span><\/p>\n