\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60(PEMFC)\u4ee5\u5176\u8f6c\u6362\u6548\u7387\u9ad8\uff0c\u73af\u5883\u53cb\u597d\u7b49\u7279\u70b9\u800c\u518d\u6b21\u6210\u4e3a\u76ee\u524d\u7684\u7814\u7a76\u70ed\u70b9\u3002\u4f46\u7531\u4e8e\u71c3\u6599\u4f53\u7cfb\u6d89\u53ca\u5316\u5b66\uff0c\u7269\u7406\u548c\u673a\u68b0\u7b49\u8fc7\u7a0b\uff0c\u4f7f\u5f97\u5176\u7814\u7a76\u5f02\u5e38\u590d\u6742\u3002\u5927\u91cf\u6587\u7ae0\u8868\u660e\uff0c\u7535\u5316\u5b66\u4ea4\u6d41\u963b\u6297\u8c31(EIS)\u53ef\u4ee5\u88ab\u5e94\u7528\u4e8e\u71c3\u6599\u7535\u6c60\u5931\u6548\u5feb\u901f\u8bca\u65ad\u7684\u6709\u6548\u624b\u6bb5\u3002<\/p>\n<\/section>\n PEMFC \u7b49\u6548\u7535\u8def\u6a21\u578b<\/em><\/strong><\/p>\n \n<\/section>\n PEMFC\u5931\u6548\u7684\u4e3b\u8981\u56e0\u7d20<\/span>\uff1a<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n \u6c34\u7ba1\u7406<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n \n<\/section>\n<\/section>\n<\/section>\n<\/section>\n \u6c34\u7ba1\u7406\u4f5c\u4e3a\u5f71\u54cdPEMFC\u6027\u80fd\uff0c\u7a33\u5b9a\u6027\u548c\u5bff\u547d\u7684\u4e3b\u8981\u56e0\u7d20\u4e4b\u4e00\uff0c\u9700\u8981\u5e73\u8861\u6d41\u4f53\uff0c\u6c34\u84b8\u6c14\u548c\u6e7f\u5ea6\u7b49\u4e0e\u7535\u5316\u5b66\u53cd\u5e94\u76f4\u63a5\u76f8\u5173\u7684\u53c2\u6570\u3002\u6240\u4ee5\u6e7f\u5ea6\u592a\u5927(\u6c34\u6df9)\u6216\u8005\u592a\u4f4e(\u5e72\u71e5)\u90fd\u4f1a\u5bfc\u81f4\u71c3\u6599\u7535\u6c60\u7684\u6027\u80fd\u6025\u5267\u4e0b\u964d\u3002<\/p>\n \u6c34\u5e73\u8861\u57fa\u4e8e\u4ee5\u4e0b\u60c5\u51b5\uff1a<\/p>\n \u6c34\u84b8\u6c14\u7684\u5f15\u5165\u548c\u6392\u51fa<\/p>\n<\/li>\n \u9634\u6781\u5316\u5b66\u53cd\u5e94\u4ea7\u751f\u7684\u6c34<\/p>\n<\/li>\n \u6c34\u5939\u5e26\u8d28\u5b50\u7531\u9633\u6781\u4f20\u9001\u5230\u9634\u6781\uff0c\u7535\u8fc1\u79fb<\/p>\n<\/li>\n \u6c34\u4ece\u9633\u6781\u6269\u6563\u5230\u9634\u6781<\/p>\n<\/li>\n<\/ul>\n<\/section>\n \u51c0\u7684\u6c34\u7684\u6269\u6563\u91cf\u53d6\u51b3\u4e8e\u540e\u4e24\u4e2a\u6b65\u9aa4\u7684\u7ed3\u679c\u3002<\/strong><\/p>\n<\/section>\n 1<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n \u6e7f\u5ea6\u63a7\u5236\u7684\u91cd\u8981\u6027<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n \u5728PEMFC\u4e2d\uff0c\u8d28\u5b50\u4ea4\u6362\u819c\u7684\u7535\u5bfc\u7387\u4e0e\u6c34\u7684\u542b\u91cf\u76f4\u63a5\u76f8\u5173\uff0c\u6bd4\u5982Nafion \u805a\u5408\u7269\u7684\u7535\u5bfc\u7387\u5728\u6e7f\u7684\u60c5\u51b5\u65f6\u7535\u5bfc\u7387\u8f83\u9ad8\uff0c\u800c\u5728\u5e72\u7684\u60c5\u51b5\u4e0b\u4f1a\u8fc5\u901f\u6076\u5316\u3002\u5728\u8f83\u4f4e\u7684\u542b\u6c34\u91cf\u65f6\uff0c\u8d28\u5b50\u4ea4\u6362\u819c\u7684\u963b\u6297\u589e\u5927\u5bfc\u81f4\u8f93\u51fa\u529f\u7387\u964d\u4f4e\u3002\u52a0\u6e7f\u4e0d\u5145\u5206\u4f1a\u5bfc\u81f4\u6c27\u8fd8\u539f\u50ac\u5316\u5242\u6d3b\u6027\u964d\u4f4e\uff0c\u5e76\u589e\u5927\u50ac\u5316\u5c42\u7684\u7535\u963b\u3002\u6e7f\u5ea6\u8f83\u4f4e\u7684\u4e3b\u8981\u540e\u679c\u662f\uff0c\u8d28\u5b50\u4ea4\u6362\u819c\u7684\u79bb\u5b50\u963b\u6297\u589e\u5927\u3002\u5728\u4e25\u91cd\u7f3a\u6c34\u7684\u60c5\u51b5\u4e0b\uff0c\u819c\u4f1a\u5bfc\u81f4\u4e0d\u53ef\u9006\u7684\u635f\u574f\u3002<\/p>\n \u4f46\u8fc7\u91cf\u7684\u6c34\u4f1a\u5bfc\u81f4\u71c3\u6599\u7535\u6c60\u7535\u5806\u50ac\u5316\u5242\u5c42\u88ab\u6df9\uff0c\u6c14\u4f53\u6269\u6563\u5c42\uff0c\u6c14\u4f53\u573a\u5f3a\u5f02\u5e38\u7b49\u3002\u6db2\u6001\u6c34\u4f1a\u5bfc\u81f4\u71c3\u6599\u7535\u6c60\u6c34\u6df9\uff0c\u5e76\u4e14\u5728\u7535\u5316\u5b66\u8fc7\u7a0b\uff0c\u7535\u8fc1\u79fb\u65f6\u548c\u6e7f\u6da6\u7684\u6c14\u4f53\u51b7\u51dd\u65f6\u6c34\u7684\u91cf\u4e0d\u65ad\u79ef\u7d2f\u3002\u6c34\u6df9\u4f1a\u53d1\u751f\u5728\uff0c\u71c3\u6599\u7535\u6c60\u6309\u7167\u6b63\u5e38\u6216\u8005\u8fc7\u9ad8\u7684\u7535\u6d41\u5bc6\u5ea6\u5de5\u4f5c\u65f6\uff0c\u7531\u4e8e\u53cd\u5e94\u6c14\u4f53\u88ab\u5145\u5206\u52a0\u6e7f\uff0c\u6db2\u6001\u6c34\u4f1a\u5728\u9634\u6781\u5f62\u6210\uff0c\u5c24\u5176\u5728\u6c14\u4f53\u6269\u6563\u5c42\uff0c\u4ece\u800c\u5bfc\u81f4\u4e24\u76f8\u6d41\u4f53\u963b\u6b62\u4e86\u6c27\u6c14\u6269\u6563\u5230\u50ac\u5316\u4f4d\u70b9\u4e0a\uff0c\u53cd\u5e94\u6548\u7387\u4e0b\u964d\u3002<\/p>\n<\/section>\n 2<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n PEMFC\u4f7f\u7528\u91cd\u6574\u6c14\u4f53<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n \u53e6\u5916\u4e00\u79cd\u60c5\u51b5\uff0c\u5f53PEMFC\u5728\u4f7f\u7528\u91cd\u6574\u6c14\u4f53\u800c\u975e\u7eaf\u6c22\u65f6\uff0c\u56e0\u4e3a\u91cd\u6574\u6c14\u4f53\u53ef\u4ee5\u7531\u70c3\u7c7b\uff0c\u5929\u7136\u6c14\uff0c\u751f\u7269\u4e59\u9187\u548c\u7532\u9187\u7b49\u4ea7\u751f\u3002\u8fd9\u7c7b\u91cd\u6574\u6c14\u4f53\u6700\u5927\u7684\u7f3a\u70b9\uff0c\u5c31\u662f\u4f1a\u542b\u6709\u4e00\u5b9a\u91cf\u7684\u4e00\u6c27\u5316\u78b3(CO)\u6c14\u4f53\u3002\u91cd\u6574\u6c14\u4f53\u5728\u7eaf\u5316\u524d\u4f1a\u542b\u6709\u7ea62.5% \u4f53\u79ef\u6bd4\u7684CO\uff0c\u4e00\u822c\u901a\u8fc7\u9009\u62e9\u6027\u6c27\u5316\u540e\u6d53\u5ea6\u4f1a\u964d\u4f4e\u5230\u7ea650\u2013100 ppm\u3002\u5bf9\u4e8ePEMFC\u800c\u8a00\uff0c\u9633\u6781\u6c22\u6c14\u7684\u6c27\u5316\u53cd\u5e94(HOR)\uff0cPt(\u94c2)\u8d35\u91d1\u5c5e\u662f\u975e\u5e38\u6709\u6548\u7684\u50ac\u5316\u5242\u4e4b\u4e00, \u76f8\u5bf9\u4e8e\u7eaf\u6c22\uff0c\u5373\u4f7f50-100ppm\u8fd9\u4e2a\u6d53\u5ea6\u7ea7\u522b\u7684CO\u4e5f\u9700\u8981\u8003\u8651\uff0c\u56e0\u4e3a\u50ac\u5316\u5242\u4e2d\u6bd2\u4f1a\u5bfc\u81f4HOR\u53cd\u5e94\u96be\u4ee5\u8fdb\u884c\u3002Pt\u5438\u9644CO\u4e0d\u4ec5\u4f1a\u5f71\u54cd\u9633\u6781\u50ac\u5316\u5242\u7684\u6d3b\u6027\uff0c\u5373\u963b\u503c\u6c22\u6c14\u5438\u9644\u5230\u6d3b\u6027\u4f4d\u70b9\u4e0a\uff0c\u800c\u4e14\u8fd8\u4f1a\u901a\u8fc7\u5076\u6781\u5b50\u76f8\u4e92\u4f5c\u7528\u548c\u7535\u5b50\u6355\u83b7\u964d\u4f4e\u672a\u8986\u76d6\u533a\u57df\u7684\u6d3b\u6027\u3002<\/p>\n \n \u819c\u7684\u6e7f\u5ea6\u76d1\u6d4b<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n \n<\/section>\n<\/section>\n<\/section>\n<\/section>\n \u7535\u5316\u5b66\u4ea4\u6d41\u963b\u6297(EIS)\u53ef\u5e94\u7528\u4e8e\u8bca\u65ad\u6e7f\u5ea6\uff0c\u68c0\u6d4bPEMFC\u7684\u5e72\u548c\u6e7f\u7684\u72b6\u6001\u3002\u4ece\u4e0b\u9762\u7684Nyquist \u56fe\u4e2d\u53ef\u4ee5\u770b\u5230\uff0c\u9ad8\u9891\u7684\u622a\u8ddd\u88ab\u79f0\u4e3aHFR (High Frequency Resistance)\uff0c\u5b83\u5305\u62ec\u819c\u7684\u79bb\u5b50\u7535\u963b\u548c\u7535\u5b50\u7535\u963b\u5982\u6c14\u4f53\u6269\u6563\u5c42(GDL)\uff0c\u5fae\u5b54\u5c42(MPL)\u548c\u53cc\u6781\u677f\u7b49\u3002\u9ad8\u9891\u534a\u5706\u5f52\u7ed3\u4e3a\u9633\u6781\u6c22\u6c14\u6c27\u5316\u53cd\u5e94 (HOR)\uff0c\u4f46\u662f\u7531\u4e8e\u9633\u6781\u5feb\u901f\u52a8\u529b\u5b66\u548c\u7535\u5bb9\u8f83\u5c0f\u76f8\u5bf9\u4e8e\u9634\u6781ORR\u53cd\u5e94\u300245\u5ea6\u659c\u7ebf\u90e8\u5206\u663e\u793a\u8d28\u5b50\u5728\u50ac\u5316\u5c42\u7684\u6269\u6563\u3002\u901a\u5e38\uff0cNyquist \u56fe\u4f1a\u663e\u793a\u51fa\u4e24\u4e2a\u65f6\u95f4\u5e38\u6570\uff0c\u7b2c\u4e00\u4e2a\u4e3aORR\u7684\u52a8\u529b\u5b66\u90e8\u5206\uff0c\u7b2c\u4e8c\u4e2a\u4e3a\u4f20\u8d28\u8fc7\u7a0b\uff0c\u5f53\u7535\u6d41\u5bc6\u5ea6\u589e\u5927\u65f6\uff0c\u7b2c\u4e00\u4e2a\u534a\u5706\u7684\u76f4\u5f84\u53d8\u5c0f\u4f20\u8d28\u7535\u5bb9\u90e8\u5206\u663e\u8457\u589e\u5927\u3002<\/p>\n<\/section>\n \n Fig 2 \u663e\u793a\u51fa\u71c3\u6599\u7535\u6c60\u963b\u6297\u5e45\u503c\u548c\u76f8\u4f4d\u89d2\u7684\u53d8\u5316\uff0c\u6b63\u5e38\u72b6\u51b5\u53ca\u4e24\u4e2a\u5e72\u71e5\u8fc7\u7a0b\u7684\u6d4b\u8bd5\u3002\u6b63\u5e38\u7684\u72b6\u51b5\u4e3a\u4e09\u89d2\u5f62\u25b3\uff0c\u5e72\u71e5\u72b6\u6001\u4e3a\u539f\u70b9\u25cf \u548c\u5706\u5708\u25cb\u3002<\/p>\n \u5728\u4e24\u79cd\u60c5\u51b5\u4e0b\uff0c\u6240\u6709\u9891\u7387\u70b9\u5bf9\u5e94\u7684\u71c3\u6599\u7535\u6c60\u963b\u6297\u7684\u5e45\u503c\u5728\u589e\u52a0\u3002\u5728\u6bd4\u8f83\u5927\u7684\u9891\u7387\u8303\u56f4\u518510Hz-10 KHz\uff0c\u963b\u6297\u5e45\u503c\u7684\u589e\u52a0\u56fa\u5b9a\u4e0d\u53d8\u3002\u589e\u52a0\u7684\u5e45\u5ea6\u4f9d\u8d56\u4e8e\u7535\u6d41\u5bc6\u5ea6\uff0c\u5728\u4f4e\u7535\u6d41\u5bc6\u5ea6\u4e0b\u589e\u5e45\u8f83\u5927\u3002<\/p>\n \n \u5728\u4e24\u79cd\u60c5\u51b5\u4e0b\uff0c\u6240\u6709\u9891\u7387\u70b9\u5bf9\u5e94\u7684\u71c3\u6599\u7535\u6c60\u963b\u6297\u7684\u5e45\u503c\u5728\u589e\u52a0\u3002\u5728\u6bd4\u8f83\u5927\u7684\u9891\u7387\u8303\u56f4\u518510Hz-10 KHz\uff0c\u963b\u6297\u5e45\u503c\u7684\u589e\u52a0\u56fa\u5b9a\u4e0d\u53d8\u3002\u589e\u52a0\u7684\u5e45\u5ea6\u4f9d\u8d56\u4e8e\u7535\u6d41\u5bc6\u5ea6\uff0c\u5728\u4f4e\u7535\u6d41\u5bc6\u5ea6\u4e0b\u589e\u5e45\u8f83\u5927\u3002<\/p>\n Fig. 2a_ \u5728\u9002\u4e2d\u7684\u7535\u6d41\u5bc6\u5ea6\uff0cFig. 2b_. \u5728\u8f83\u4f4e\u7684\u7535\u6d41\u5bc6\u5ea6\u3002\u5728\u8f83\u4f4e\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u5e72\u71e5\u72b6\u6001\u65f6\uff0c\u71c3\u6599\u7535\u6c60\u963b\u6297\u76f8\u4f4d\u89d2\u5728\u6574\u4e2a\u9891\u7387\u8303\u56f4\u5185\u589e\u52a0 \u3002Fig. 2a\u663e\u793a\u51fa\uff0c\u5728\u6700\u5e72\u71e5\u7684\u72b6\u6001\u6bd4\u6b63\u5e38\u72b6\u6001\u4e0b\uff0c\u76f8\u4f4d\u89d2\u9ad8\u7ea65\u201310\u00b0\u3002Fig 2b\u663e\u793a\uff0c\u5728\u4e2d\u7b49\u7535\u6d41\u5bc6\u5ea6\u65f6\uff0c\u71c3\u6599\u7535\u6c60\u963b\u6297\u76f8\u4f4d\u89d2\u540c\u6837\u4e5f\u5728\u589e\u52a0\uff0c\u4e3b\u8981\u4f53\u73b0\u5728 2 Hz-400 Hz\u8303\u56f4\u3002<\/p>\n<\/section>\n Fig 3 Nyquist \u56fe\u540c\u6837\u663e\u793a\u51fa\u6b63\u5e38\u53ca\u5e72\u71e5\u72b6\u6001\u4e0b\u7684\u54cd\u5e94\u3002Fig 3a\u5728\u4f4e\u7535\u6d41\u5bc6\u5ea6\u65f6\u663e\u793a\u51fa\u9ad8\u9891\u534a\u5706\u4f34\u968f\u7740\u4e00\u4e2a\u5355\u4e2a\u534a\u5706\uff0c Fig. 3b\u5728\u9002\u4e2d\u7684\u7535\u6d41\u5bc6\u5ea6\u65f6\u663e\u793a\u51fa 2 \u4e2a\u534a\u5706 \uff0c\u963b\u6297\u9891\u7387\u6700\u63a5\u8fd1\u5b9e\u8f74\u7684\u70b9\u5bf9\u5e94\u963b\u6297\u7684\u76f8\u4f4d\u89d2\u7684\u6700\u5c0f\u7edd\u5bf9\u503c \u3002\u5728\u8fd9\u4e24\u79cd\u60c5\u51b5\u4e0b\uff0c1.26KHz\u4e0b\u7684\u503c\u6052\u5b9a\u3002\u5bf9\u4e8e\u4e24\u4e2a\u7535\u6d41\u5bc6\u5ea6\uff0c\u5e72\u71e5\u72b6\u6001\u4e3b\u8981\u53cd\u5e94\u5728\u71c3\u6599\u7535\u6c60\u963b\u6297\u5b9e\u90e8\u7684\u53d8\u5316\uff0c\u8fd9\u53ef\u4ee5\u89e3\u91ca\u4e3a\u7eaf\u963b\u6297\u7684\u589e\u52a0\u3002<\/p>\n \u8fd9\u4e2a\u963b\u6297\u7684\u8d21\u732e\u4e3b\u8981\u6765\u81ea\u4e8e\u819c\u548c\u50ac\u5316\u5c42\u3002\u56e0\u4e3a\uff0c\u5e72\u71e5\u72b6\u6001\u5bf9\u4f4e\u7535\u6d41\u5bc6\u5ea6\u4e0b\u5f71\u54cd\u66f4\u5927\uff0c\u5bf9\u819c\u7684\u8131\u6c34\u8d21\u732e\u66f4\u5927\uff0c\u56e0\u6b64\u589e\u5927\u4e86\u71c3\u6599\u7535\u6c60\u9ad8\u9891\u7684\u963b\u6297\u90e8\u5206\u3002\u6ce8\u610f\uff0cFig2 a \u548cFig 3 a \u963b\u6297\u6570\u636e\u5728\u4f4e\u7535\u6d41\u4e0b\u51fa\u73b0\u79bb\u6563\u7684\u60c5\u51b5\uff0c\u6bd4\u5982\u572810Hz \u5de6\u53f3\uff0c\u4e0e\u4f20\u8d28\u7684\u6ce2\u52a8\u6709\u5173\uff0c\u56e0\u4e3a\u4f4e\u7535\u6d41\u65f6\uff0c\u6c14\u4f53\u538b\u529b\u4f4e\uff0c\u5316\u5b66\u8ba1\u91cf\u6bd4\u8f83\u4f4e\u3002<\/p>\n<\/section>\n \n<\/section>\n \u71c3\u6599\u7535\u6c60\u6c34\u6df9<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n \n<\/section>\n<\/section>\n<\/section>\n<\/section>\n \u5982Fig 5 \u663e\u793a\uff0c\u5728\u4e24\u79cd\u60c5\u51b5\u4e0b\uff0c\u71c3\u6599\u7535\u6c60\u963b\u6297\u5728\u4f4e\u9891\u65f6\u5927\u5e45\u589e\u52a0\uff0c\u6bd4\u598210Hz\u65f6\uff0c\u4e2d\u95f4\u9891\u7387\u53ca\u9ad8\u9891\u6ca1\u6709\u5f71\u54cd\u3002Fig 5a\u663e\u793a\u5728\u7b2c\u4e00\u6b21\u6d4b\u91cf\u65f6\uff0c\u4f4e\u9891\u7684\u963b\u6297\u5e45\u503c\u589e\u5927\u5e45\u5ea6\u8f83\u5927\u3002\u7535\u6c60\u7535\u538b\u5927\u5e45\u4e0b\u964d\uff0c\u7b2c\u4e00\u6b21\u6c34\u6df9\u6d4b\u8bd5\u65f6\u7535\u538b\u4e3a0.54V, \u4f4e\u9891\u7684\u963b\u6297\u7ea6\u4e3a\u6b63\u5e38\u72b6\u6001\u4e0b\u76843-4\u500d\u3002Fig 5b\u663e\u793a\u7b2c\u4e8c\u6b21\u6c34\u6df9\u6d4b\u8bd5\u65f6\uff0c\u7535\u538b\u8fbe\u52300.63V\u5de6\u53f3\uff0c1Hz\u65f6\u7684\u963b\u6297\u5e45\u503c\u7ea6\u4e3a\u6b63\u5e38\u72b6\u6001\u76842.5\u500d\u3002\u4e24\u6b21\u6d4b\u8bd5\u8868\u9762\uff0c\u9ad8\u9891\u65f6\u963b\u6297\u7684\u76f8\u4f4d\u89d2\u5e76\u6ca1\u6709\u53d1\u751f\u53d8\u5316\u3002\u4f46Fig6\u663e\u793a\uff0c\u963b\u6297\u7684\u76f8\u4f4d\u89d2\u5728\u4f4e\u4e8e100Hz\u65f6\u5927\u5e45\u51cf\u5c0f\u5e76\u8fbe\u5230\u8d1f\u503c\u3002<\/p>\n<\/section>\n \u7ea6\u4e3a-55 \u81f3-60\u00b0 \u3002\u6ce8\u610f\uff0c\u71c3\u6599\u7535\u6c60\u963b\u6297\u7684\u5e45\u503c\u548c\u76f8\u4f4d\u89d2\u572810Hz\u4ee5\u4e0b\u65f6\u5267\u70c8\u9707\u8361\u5982Fig5a\u548c6a\u3002\u901a\u5e38\u5728\u6c34\u6df9\u7684\u60c5\u51b5\u4e0b\uff0c\u71c3\u6599\u7535\u6c60\u7535\u538b\u4f1a\u53d1\u751f\u5feb\u901f\uff0c\u5267\u70c8\u7684\u9707\u8361\u3002<\/p>\n<\/section>\n Fig 7\u663e\u793a\u7684\u6c34\u6df9\u6d4b\u8bd5\u963b\u6297\u66f2\u7ebf\u3002\u9ad8\u9891\u51fa\u73b0\u534a\u5706\uff0c\u5728\u4e2d\u9891\u548c\u4f4e\u9891\u4e5f\u663e\u793a\u51fa\u534a\u5706\u3002\u56e0\u4e3a\u9634\u6781\u7684\u5316\u5b66\u8ba1\u91cf\u6bd4\u964d\u4f4e\uff0c\u5bfc\u81f4\u4f4e\u9891\u534a\u5706\u589e\u5927 \u3002\u5728Fig 7b\u7684\u56fe\u4e2d\u4e5f\u518d\u6b21\u88ab\u8bc1\u660e\u3002\u4e2d\u9891\u533a\u7684\u534a\u5706\u968f\u7740\u6c34\u6df9\u6d4b\u8bd5\u6301\u7eed\u53d8\u5927<\/span>\u3002\u5728\u4e25\u91cd\u7684\u6c34\u6df9\u60c5\u51b5\u4e0b\uff0cNyquist\u56fe\u663e\u793a\u51fa\u7b2c\u4e8c\u6b21\u6d4b\u8bd5\u7684\u66f2\u7ebf\u4e2d\u4f9d\u8d56\u4e8e\u6269\u6563\u8fc7\u7a0b\u5f97\u4f4e\u9891\uff0c\u5176\u76f8\u4f4d\u89d2\u66f4\u8d1f\u7ea6\u4e3a-55\u00b0\uff0c\u5c0f\u4e8e\u5178\u578b\u7684-45\u00b0 \u6269\u6563\u8fc7\u7a0b\u3002\u5bf9\u4e8e\u7b2c\u4e00\u6b21\u6d4b\u8bd5\u800c\u8a00\uff0c\u4f4e\u9891\u7684\u6d4b\u8bd5\u70b9\u662f\u79bb\u6563\u7684\uff0c\u5f88\u96be\u6d4b\u51fa\u6e05\u6670\u7684\u53d8\u5316\u8d8b\u52bf\u3002<\/p>\n<\/section>\n \n<\/section>\n \u9633\u6781\u50ac\u5316\u5242\u4e2d\u6bd2<\/strong><\/span>\u00a0<\/strong><\/p>\n<\/section>\n<\/section>\n \n<\/section>\n<\/section>\n<\/section>\n<\/section>\n \u5bf9\u4e8e\u4e24\u79cdCO \u6d53\u5ea6\uff0c\u71c3\u6599\u7535\u6c60\u963b\u6297\u5e45\u503c\u5728\u4f4e\u4e8e\u51e0\u767eHz\u65f6\u51fa\u73b0\u589e\u5927\u3002\u5728\u6700\u4f4e\u9891\u7387\u65f6\uff0cFig 9\u663e\u793a\u963b\u6297\u5e45\u503c\u589e\u5927\u4e3a\u6b63\u5e38\u72b6\u51b5\u76846\u500d\u4ee5\u4e0a\u3002Fig 10\u4e3a\u50ac\u5316\u5242\u4e2d\u6bd2\u60c5\u51b5\u4e0b\u963b\u6297\u7684\u76f8\u4f4d\u89d2\u3002\u5728\u8fd9\u4e24\u79cd\u60c5\u51b5\u4e0b\uff0c\u963b\u6297\u76f8\u4f4d\u89d2\u57283-4KHz\u9891\u7387\u8303\u56f4\u5185\u51fa\u73b0\u589e\u5927\u3002\u5728\u4f4e\u9891\u963b\u6297\u76f8\u4f4d\u89d2\u8868\u73b0\u4e0d\u540c\uff0c\u50ac\u5316\u5242\u4e2d\u6bd2\u540e\u9ad8\u4e8e\u6b63\u5e38\u60c5\u51b5\u4e0b\u7684\u521d\u59cb\u503c\u3002\u8fd9\u79cd\u6548\u5e94\u5728100 ppm CO\u7684\u6d4b\u8bd5\u4e2d\u66f4\u4e3a\u660e\u663e\u3002<\/p>\n<\/section>\n Fig 11 \u663e\u793aCO\u4e2d\u6bd2\u7684Nyquist\u66f2\u7ebf\u3002\u5728\u6b63\u5e38\u7684\u64cd\u4f5c\u60c5\u51b5\u4e0b\uff0c\u9002\u4e2d\u7684\u7535\u6d41\u5bc6\u5ea6\u663e\u793a\u51fa\u6b63\u5e38\u5f62\u72b6\uff0c\u5305\u542b\u9ad8\u9891\u7684\u534a\u5706\uff0c\u4e2d\u9891\u548c\u4f4e\u9891\u51fa\u73b0\u5404\u4e00\u4e2a\u534a\u5706\u3002\u56e0\u4e3a\u9633\u6781\u50ac\u5316\u5242CO\u4e2d\u6bd2\u53d1\u751f\uff0cNyquist \u66f2\u7ebf\u653e\u5927\u3002\u5f88\u96be\u533a\u5206\u54ea\u4e2a\u534a\u5706\u53d7\u5230\u5f71\u54cd\uff0c\u66f4\u50cf\u662f\u5bf9\u4e2d\u95f4\u7535\u5316\u5b66\u53cd\u5e94\u5bf9\u5e94\u7684\u534a\u5706\u7684\u5f71\u54cd\u6bd4\u4f4e\u9891\u534a\u5706\u66f4\u5927\u3002<\/p>\n \u5728\u50ac\u5316\u5242\u4e2d\u6bd2\u8fc7\u7a0b\u7684\u672b\u671f\uff0cNyquist \u66f2\u7ebf\u53d8\u4e3a\u5355\u4e2a\u534a\u5706\uff0c\u5728CO\u6d53\u5ea6\u6700\u5927\u7684100ppm\u65f6\uff0c\u4f4e\u9891\u51fa\u73b0\u7535\u611f\u73b0\u8c61\u5982Fig. 11b\u3002\u8fd9\u79cd\u73b0\u8c61\u6bd4\u8f83\u5e38\u89c1\uff0c\u901a\u5e38\u88ab\u89e3\u91ca\u4e3a\u8868\u9762\u5f1b\u8c6b\u8fc7\u7a0b\uff0c\u7531\u4e8eCO\u548cH2\u5728\u50ac\u5316\u8868\u9762\u7684\u7ade\u4e89\u6c27\u5316\u53cd\u5e94\u5bfc\u81f4\u3002\u6216\u8005\u7531\u4e8e\u8868\u9762\u5438\u9644\u4e2d\u95f4\u4f53\u5bfc\u81f4\u8868\u9762\u5728\u6d3b\u6027\u548c\u60f0\u6027\u4e4b\u95f4\u8f6c\u53d8\u3002<\/p>\n<\/section>\n \u57fa\u4e8e\u4ee5\u4e0a\u5bf9PEMFC\u7535\u5806\u7684\u4ea4\u6d41\u963b\u6297(EIS)\u6d4b\u8bd5\uff0c\u5bf9\u4e8e\u819c\u7684\u6e7f\u5ea6\uff0c\u71c3\u6599\u7535\u6c60\u6c34\u6df9\uff0c\u9633\u6781\u50ac\u5316\u5242\u4e2d\u6bd2\u7b49\u5931\u6548\u8bca\u65ad\uff0c\u963b\u6297\u66f2\u7ebf\u663e\u793a\u51fa\u663e\u8457\u5dee\u5f02<\/span><\/strong>\u3002<\/p>\n \u5bf9\u4e8e\u819c\u7684\u5e72\u71e5\u5931\u6548\uff0c\u7531\u4e8e\u819c\u975e\u5e38\u5e72\u71e5\uff0c\u71c3\u6599\u7535\u6c60\u963b\u6297\u7684\u5e45\u503c\u548c\u76f8\u4f4d\u89d2\u57281Hz-10 KHz\u8303\u56f4\u5185\u5927\u5e45\u589e\u52a0\u3002<\/p>\n<\/li>\n \u5bf9\u4e8e\u819c\u7684\u6c34\u6df9\u60c5\u51b5\uff0c\u71c3\u6599\u7535\u6c60\u963b\u6297\u7684\u6a21\u503c\u572810Hz\u4f4e\u9891\u65f6\u589e\u5927\uff0c\u76f8\u4f4d\u89d2\u5728100Hz\u65f6\u51cf\u5c0f\u3002<\/p>\n<\/li>\n \u5bf9\u4e8e\u9633\u6781\u50ac\u5316\u5242\u4e2d\u6bd2\uff0c\u71c3\u6599\u7535\u6c60\u963b\u6297\u7684\u6a21\u503c\u5728100-300 Hz\u65f6\u51fa\u73b0\u589e\u5927\uff0c\u963b\u6297\u7684\u76f8\u4f4d\u89d2\u5728\u51e0Hz-\u51e0KHz\u8303\u56f4\u5185\uff0c\u51fa\u73b0\u4e0b\u964d\uff0c\u963b\u6297\u7684\u76f8\u4f4d\u89d2\u8868\u73b0\u51fa\u7279\u5b9a\u7684\u53d8\u5316\uff0c\u572820-25 Hz\u8303\u56f4\u51fa\u73b0\u6700\u5c0f\u503c\u3002<\/p>\n<\/li>\n<\/ul>\n \u963b\u6297\u7684Bode\u56fe\u5728PEMFC\u7684\u5931\u6548\u8bca\u65ad\u65b9\u9762\u663e\u793a\u51fa\u6781\u5927\u7684\u4f18\u52bf\u3002<\/span><\/p>\n \u5728\u7279\u5b9a\u7684\u9891\u7387\u8303\u56f4\u5185\uff0c\u5f88\u5bb9\u6613\u5bf9\u6bd4\u53d1\u73b0\u4e0d\u540c\u7684\u5931\u6548\u7c7b\u578b\u548c\u6a21\u578b\u3002<\/span><\/p>\n Nyquist \u66f2\u7ebf\u975e\u5e38\u6709\u7528\uff0c\u4f46\u662f\u9ad8\u9891\u7684\u54cd\u5e94\u88ab\u63a9\u76d6\u4e86\uff0c\u5c24\u5176\u662f\u5728\u50ac\u5316\u5242\u4e2d\u6bd2\u4f4e\u9891\u963b\u6297\u6bd4\u8f83\u5927\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n<\/section>\n \n \u53c2\u8003\u8d44\u6599\uff1a<\/strong><\/p>\n 1. Journal of The Electrochemical Society, 153 _5_ A857-A864 _2006<\/span><\/em><\/p>\n 2. Energies 2020, 13, 3643<\/span><\/em><\/p>\n \u00a0<\/span><\/em><\/p>\n \u00a0<\/span><\/em><\/p>\n\n
\n