{"id":3104,"date":"2022-05-18T16:45:50","date_gmt":"2022-05-18T08:45:50","guid":{"rendered":"https:\/\/www.chinaautoregs.com\/?p=3104"},"modified":"2024-08-05T09:20:59","modified_gmt":"2024-08-05T01:20:59","slug":"gb-t-20042-5-2009%e8%8b%b1%e6%96%87%e7%89%88%e7%bf%bb%e8%af%91-%e8%b4%a8%e5%ad%90%e4%ba%a4%e6%8d%a2%e8%86%9c%e7%87%83%e6%96%99%e7%94%b5%e6%b1%a0-%e7%ac%ac5%e9%83%a8%e5%88%86%ef%bc%9a%e8%86%9c%e7%94%b5","status":"publish","type":"post","link":"https:\/\/www.chinaautoregs.com\/?p=3104","title":{"rendered":"GB\/T 20042.5-2009\u82f1\u6587\u7248\u7ffb\u8bd1 \u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\u819c\u7535\u6781\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"

ChinaAutoRegs|GB\/T 20042.5-2009 \u82f1\u6587\u7248 \u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60 \u7b2c5\u90e8\u5206\uff1a\u819c\u7535\u6781\u6d4b\u8bd5\u65b9\u6cd5
\nProton Exchange Membrane Fuel Cell – Part 5: Test Method for Membrane Electrode Assembly<\/p>\n

<\/p>\n

CONTENTS<\/p>\n

Foreword
\n1 Scope
\n2 Normative References
\n3 Terms and Definitions
\n4 Thickness Uniformity Test
\n5 Pt Loading Test
\n6 Single-Cell Polarization Curve Test
\n7 Hydrogen Crossover Current Density Test
\n8 Activation Overpotential and Ohmic Overpotential Test
\n9 Electrochemical Active Area (ECA) Test
\nAnnex A (Informative) Test Preparation
\nAnnex B (Informative) Test Report
\nAnnex C (Informative) Fuel Cell Internal Resistance and Reaction Resistance Test<\/p>\n

1\u8303\u56f4
\nGB\/T 20042\u7684\u672c\u90e8\u5206\u89c4\u5b9a\u4e86\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\u819c\u7535\u6781\uff08MEA)\u6d4b\u8bd5\u65b9\u6cd5\u7684\u672f\u8bed\u548c\u5b9a\u4e49\u3001\u539a\u5ea6\u5747 \u5300\u6027\u6d4b\u8bd5\u3001Pt\u62c5\u8f7d\u91cf\u6d4b\u8bd5\u3001\u5355\u7535\u6c60\u6781\u5316\u66f2\u7ebf\u6d4b\u8bd5\u3001\u900f\u6c22\u7535\u6d41\u5bc6\u5ea6\u6d4b\u8bd5\u3001\u6d3b\u5316\u6781\u5316\u8fc7\u7535\u4f4d\u4e0e\u6b27\u59c6\u6781\u5316\u8fc7\u7535 \u4f4d\u6d4b\u8bd5\u3001\u7535\u5316\u5b66\u6d3b\u6027\u9762\u79ef\u6d4b\u8bd5\u3002
\n\u672c\u90e8\u5206\u9002\u7528\u4e8e\u5404\u79cd\u7c7b\u578b\u7684\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\u3002
\n2\u89c4\u8303\u6027\u5f15\u7528\u6587\u4ef6
\n\u4e0b\u5217\u6587\u4ef6\u4e2d\u7684\u6761\u6b3e\u901a\u8fc7GB\/T 20042\u7684\u672c\u90e8\u5206\u7684\u5f15\u7528\u800c\u6210\u4e3a\u672c\u90e8\u5206\u7684\u6761\u6b3e\u3002\u51e1\u662f\u6ce8\u65e5\u671f\u7684\u5f15\u7528\u6587 \u4ef6\uff0c\u5176\u968f\u540e\u6240\u6709\u7684\u4fee\u6539\u5355(\u4e0d\u5305\u62ec\u52d8\u8bef\u7684\u5185\u5bb9)\u6216\u4fee\u8ba2\u7248\u5747\u4e0d\u9002\u7528\u4e8e\u672c\u90e8\u5206\uff0c\u7136\u800c\uff0c\u9f13\u52b1\u6839\u636e\u672c\u90e8\u5206\u8fbe\u6210 \u534f\u8bae\u7684\u5404\u65b9\u7814\u7a76\u662f\u5426\u53ef\u4f7f\u7528\u8fd9\u4e9b\u6587\u4ef6\u7684\u6700\u65b0\u7248\u672c\u3002\u51e1\u662f\u4e0d\u6ce8\u65e5\u671f\u7684\u5f15\u7528\u6587\u4ef6\uff0c\u5176\u6700\u65b0\u7248\u672c\u9002\u7528\u4e8e\u672c \u90e8\u5206\u3002
\nGB\/T 6672\u20142001\u5851\u6599\u8584\u819c\u548c\u8584\u7247\u539a\u5ea6\u6d4b\u5b9a\u673a\u68b0\u6d4b\u91cf\u6cd5\uff08IS\u3007 4593:1993\uff0cIDT)
\nGB\/T 19596 \u7535\u52a8\u6c7d\u8f66\u672f\u8bed\uff08GB\/T 19596\u20142004\uff0cISO 8713:2002\uff0cNEQ)
\nGB\/T 20042.1\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\u672f\u8bed
\n3\u672f\u8bed\u548c\u5b9a\u4e49
\nGB\/T 19596\u548cGB\/T 20042.1\u786e\u7acb\u7684\u4ee5\u53ca\u4e0b\u5217\u672f\u8bed\u548c\u5b9a\u4e49\u9002\u7528\u4e8e\u672c\u90e8\u5206\u3002
\n3.1
\nPt \u62c5\u8f7d\u91cf platinum loading
\n\u5355\u4f4d\u9762\u79ef\u819c\u7535\u6781\u4e0a\u8d35\u91d1\u5c5ePt\u7684\u7528\u91cf\uff0c\u5355\u4f4d\u4e3arng\/cm2\u3002
\n3.2
\n\u53cd\u5e94\u6c14\u4f53\u5316\u5b66\u8ba1\u91cf\u6bd4 reactant stoichiometry
\n\u53cd\u5e94\u6c14\u4f53\u5b9e\u9645\u4f9b\u7ed9\u91cf\u4e0e\u4f9d\u636e\u6cd5\u62c9\u7b2c\u5b9a\u5f8b\u8ba1\u7b97\u7684\u5355\u7535\u6c60\u5b9e\u9645\u8f93\u51fa\u7535\u6d41\u6240\u9700\u53cd\u5e94\u6c14\u4f53\u91cf\u4e4b\u6bd4\u3002
\n\u6ce8\uff1a\u53cd\u5e94\u6c14\u4f53\u5229\u7528\u7387\u4e0e\u5316\u5b66\u8ba1fi\u6bd4\u5448\u5012\u6570\u5173\u7cfb\u3002
\n3.3
\n\u900f\u6c22\u7535\u6d41\u5bc6\u5ea6 hydrogen crossover current density
\n\u4e00\u5b9a\u6e29\u5ea6\u3001\u4e00\u5b9a\u538b\u529b\u548c\u76f8\u5bf9\u6e7f\u5ea6\u6761\u4ef6\u4e0b\uff0c\u7528\u7535\u5316\u5b66\u65b9\u6cd5\u68c0\u6d4b\u5f97\u5230\u7684\u6c22\u6c14\u7a7f\u8fc7\u819c\u7535\u6781\u7684\u901f\u5ea6\uff0c\u5355\u4f4d\u4e3a A\/cm2\u3002
\n3.4
\n\u819c\u7535\u6781\u4e2d\u7535\u50ac\u5316\u5242\u7684\u7535\u5316\u5b66\u6d3b\u6027\u9762\u79ef \uff08ECA) electrochemical area (ECA)
\n\u819c\u7535\u6781\u5185\u7528\u7535\u5316\u5b66\u65b9\u6cd5\u6d4b\u8bd5\u7684\u50ac\u5316\u5242\u7684\u6d3b\u6027\u6bd4\u8868\u9762\u79ef\u3002\u5355\u4f4d\u4e3amVg\u3002
\n\u6ce8\uff1a\u819c\u7535\u6781\u7684ECA\u4e0e\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\uff08PEMFC)\u7535\u50ac\u5316\u5242\u6d3b\u6027\u3001\u7535\u6781\u7ed3\u6784\u7b49\u56e0\u7d20\u6709\u5173\u3002
\n3.5
\n\u71c3\u6599\u7535\u6c60\u5185\u963b fuel cell internal resistance
\n\u71c3\u6599\u7535\u6c60\u5185\u90e8\u79bb\u5b50\u6d41\u52a8\u963b\u529b\u4e0e\u5bfc\u7535\u6027\u5143\u4ef6\u4e2d\u7535\u5b50\u6d41\u52a8\u963b\u529b\u4e4b\u548c\uff0c\u4ee5\u53cd\u8868\u793a\uff0c\u5355\u4f4d\u4e3a\u2022 cm2\u3002
\n\u6ce8\uff1a\u5144\u5305\u62ec\u79bb\u5b50\u7535\u963b0?u)\u3001\u7535\u5b50\u7535\u963b\u548c\u63a5\u89e6\u7535\u963b\u4e09\u90e8\u5206\uff0c\u5373<\/p>\n

\u5f0f\u4e2d\uff1a
\n\u2014\u2014\u71c3\u6599\u7535\u6c60\u5185\u963b\uff0c\u5355\u4f4d\u4e3a\u6b27\u59c6\u5e73\u65b9\u5398\u7c73(0\u2022 cmz);
\n\u79bb\u5b50\u7535\u963b,\u5355\u4f4d\u4e3a\u6b27\u59c6\u5e73\u65b9\u5398\u7c73\uff08n* cm2);
\nR,.,\u2014\u2014\u7535\u5b50\u7535\u963b,\u5355\u4f4d\u4e3a\u6b27\u59c6\u5e73\u65b9\u5398\u7c73\uff080\u2022 cm2);
\nRi.c\u2014\u2014\u63a5\u89e6\u7535\u963b\uff0c\u5355\u4f4d\u4e3a\u6b27\u59c6\u5e73\u65b9\u5398\u7c73\uff080\u2022 cm2)\u3002
\n3.6
\n\u6d3b\u5316\u6781\u5316\u8fc7\u7535\u4f4d activiation overpotential
\n\u5f53\u7535\u6781\u8868\u9762\u7535\u5316\u5b66\u53cd\u5e94\u901f\u5ea6\u8f83\u5feb\uff0c\u800c\u7535\u6781\u8fc7\u7a0b\u52a8\u529b\u5b66\u901f\u5ea6\u8f83\u6162\u65f6\uff0c\u5bfc\u81f4\u7535\u6781\u8868\u9762\u79ef\u7d2f\u5e26\u67d0\u79cd\u7535\u8377\u7684 \u7c92\u5b50\uff0c\u4ece\u800c\u5f15\u8d77\u7684\u7535\u6781\u7535\u4f4d\u635f\u5931\uff0c\u53c8\u79f0\u4e3a\u7535\u5316\u5b66\u6781\u5316\u8fc7\u7535\u4f4d\u3002\u5355\u4f4d\u4e3aV\u3002
\n\u6ce8\uff1a\u6d3b\u5316\u6781\u5316\u8fc7\u7535\u4f4d\u901a\u5e38\u7531\u9633\u6781\u6d3b\u5316\u6781\u5316\u8fc7\u7535\u4f4d\u548c\u660e\u6781\u6d3b\u5316\u6781\u5316\u8fc7\u7535\u4f4d\u7ec4\u6210\u3002\u5bf9PEMFC,\u7531\u4e8e\u9634\u6781\u53cd\u5e94\u7684\u4ea4\u6362 \u7535\u6d41\u5bc6\u5ea6\u8fdc\u5c0f\u4e8e\u9633\u6781\u53cd\u5e94\u7684\u4ea4\u6362\u7535\u6d41\u5bc6\u5ea6\uff08\u7ea6\u4f4e10s)\uff0c\u56e0\u800c\u7535\u6c60\u7684\u6d3b\u5316\u6781\u5316\u8fc7\u7535\u4f4d\u4e3b\u8981\u7531\u9634\u6781\u6d3b\u5316\u6781\u5316\u8fc7\u7535 \u4f4d\u5f15\u8d77\u3002
\n3.7
\n\u6b27\u59c6\u6781\u5316\u8fc7\u7535\u4f4d ohmic overpotential
\n\u7531\u71c3\u6599\u7535\u6c60\u6b27\u59c6\u6781\u5316\u5f15\u8d77\u7684\u7535\u4f4d\u635f\u5931\uff0c\u5355\u4f4d\u4e3aV\u3002
\n3.8
\n\u53cd\u5e94\u7535\u963b reaction resistance
\n\u50ac\u5316\u5c42\u5185\u7535\u5316\u5b66\u53cd\u5e94\u963b\u529b\u7684\u5927\u5c0f\uff0c\u5355\u4f4d\u4e3acm2\u3002
\n\u6ce8\uff1a\u53cd\u5e94\u7535\u963b\u4e0e\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\u7684\u7535\u50ac\u5316\u5242\u50ac\u5316\u6d3b\u6027\u3001\u819c\u7535\u6781\u7ed3\u6784\u3001\u7535\u6c60\u64cd\u4f5c\u6761\u4ef6\u7b49\u6709\u5173\u3002
\n4\u539a\u5ea6\u5747\u5300\u6027\u6d4b\u8bd5
\n\u672c\u90e8\u5206\u53c2\u8003GB\/T 6672\u20142001\u4e2d\u5173\u4e8e\u8584\u819c\u6750\u6599\u539a\u5ea6\u7684\u673a\u68b0\u6e2c\u91cf\u65b9\u6cd5\u8fdb\u884c\u6e2c\u8bd5\u3002
\n4.1\u6d4b\u8bd5\u4eea\u5668
\n\u6d4b\u539a\u4eea:\u7cbe\u5ea6\u4e0d\u4f4e\u4e8e0.001 mm\u3002
\n4.2\u6837\u54c1\u5236\u5907
\n\u6837\u54c1\u4e3a\u6b63\u65b9\u5f62\u6216\u5706\u5f62\uff0c\u6709\u6548\u9762\u79ef\u81f3\u5c11\u4e3a25 cm2\u3002
\n\u6837\u54c1\u5e94\u65e0\u6298\u76b1\u3001\u7f3a\u9677\u548c\u7834\u635f\u3002
\n\u6837\u54c1\u4e3a\u5305\u62ec\u4e24\u5f20\u6c14\u4f53\u6269\u6563\u5c42\u7684\u819c\u7535\u6781\u3002
\n4.3\u6d4b\u8bd5\u65b9\u6cd5
\n4.3. 1\u6837\u54c1\u5728\u6e29\u5ea6\u4e3a25 C\u00b12 X\uff1a\uff0c\u76f8\u5bf9\u6e7f\u5ea6(RH)\u4e3a50%\u00b15%\u6761\u4ef6\u4e0b\u653e\u7f6e1 h\u3002
\n4.3.2\u9996\u5148\u6821\u51c6\u6d4b\u8bd5\u4eea\u7684\u96f6\u70b9\uff0c\u518d\u8fdb\u884c\u6d4b\u8bd5\u3002\u6d4b\u8bd5\u65f6\u5e94\u907f\u514d\u9020\u6210\u6837\u54c1\u6298\u76b1\u3001\u7834\u635f\u3002\u6d4b\u8bd5\u8fc7\u7a0b\u97f5\u8bd5\u5934\u65bd \u52a0\u5728\u6837\u54c1\u8868\u9762\u7684\u538b\u5f3a\u4e3a5 N\/cm2\u3002
\n4.3.3\u6837\u54c1\u6d4b\u8bd5\u70b9\u4e0d\u5c11\u4e8e9\u4e2a\uff0c\u4e14\u5747\u5300\u5206\u5e03\uff0c\u6d4b\u8bd5\u70b9\u8ddd\u79bb\u6837\u54c1\u8fb9\u7f18\u5e94\u5927\u4e8e5 mm\u3002
\n4.4\u6570\u636e\u5904\u7406
\n\u6837\u54c1\u7684\u539a\u5ea6\u5747\u5300\u6027\u7528\u539a\u5ea6\u6700\u5927\u503c\u4e0e\u6700\u5c0f\u503c\u4e4b\u5dee\u4ee5\u53ca\u539a\u5ea6\u76f8\u5bf9\u504f\u5dee\u8868\u793a\u3002<\/p>\n

 <\/p>\n

\n

1\u3001\u73b0\u6210\u8bd1\u6587\uff0c\u5230\u6b3e\u5373\u53d1\u3002<\/span>
\n2\u3001\u4e0b\u5355\u524d\u53ef\u4efb\u53d6\u6837\u9875\u9a8c\u8bc1\u8bd1\u6587\u8d28\u91cf\u3002<\/span>
\n3\u3001\u514d\u8d39\u63d0\u4f9b\u6b63\u89c4\u666e\u901a\u589e\u503c\u7a0e\u6570\u7535\u53d1\u7968\u3002<\/span>
\n4\u3001\u8bf7\u8054\u7cfb\u624b\u673a\/\u5fae\u4fe1: 13306496964\/Email: standardtrans@foxmail.com \u83b7\u53d6\u5b8c\u6574\u8bd1\u6587\u3002<\/span>
\n5\u3001\u672c\u82f1\u6587\u8bd1\u672c\u4e3a\u7eaf\u4eba\u5de5\u4e13\u4e1a\u7cbe\u7ffb\u7248\u672c\uff0c\u4fdd\u8bc1\u8bed\u6cd5\u672f\u8bed\u51c6\u786e\u7387\u548c\u4e13\u4e1a\u5ea6\uff01<\/span>
\n6\u3001\u4e13\u4e1a\u6e90\u4e8e\u4e13\u6ce8|ChinaAutoRegs \u59cb\u7ec8\u4e13\u6ce8\u4e8e\u6c7d\u8f66\u6807\u51c6\u7ffb\u8bd1\u9886\u57df\uff01<\/span>
\n7\u3001\u300c\u4e2d\u56fd\u6c7d\u8f66\u6807\u51c6\u8bd1\u6587\u5e93\u300d\u5df2\u6536\u5f55\u4e0a\u5343\u4e2a\u73b0\u884c\u6c7d\u8f66\u56fd\u5bb6\u6807\u51c6\u548c\u884c\u4e1a\u6807\u51c6\u7684\u82f1\u6587\u7248\u8bd1\u672c\uff0c\u6db5\u76d6\u4f20\u7edf\u71c3\u6cb9\u8f66\u3001\u65b0\u80fd\u6e90\u6c7d\u8f66\u548c\u6469\u6258\u8f66\u6807\u51c6\u5316\u4f53\u7cfb\uff01\u72ec\u5bb6\u6253\u9020\u5343\u4e07\u7ea7\u6c7d\u8f66\u4e13\u4e1a\u672f\u8bed\u5e93\u548c\u8bb0\u5fc6\u5e93\u3002<\/span><\/p>\n

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\n3. Please contact standardtrans@foxmail.com for the complete PDF version in English.<\/span>
\n4. Almost all of Chinese automotive\/automobile standards, regulations and norms in effect have been included in our well-established database, providing one-stop, up-to-date, efficient and professional solution.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

ChinaAutoRegs|GB\/T 20042.5-2009 \u82f1\u6587\u7248 \u8d28\u5b50\u4ea4\u6362 … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[815,29,30,851,17,981,852,10,178,757,530,7,724,18,723,14],"class_list":["post-3104","post","type-post","status-publish","format-standard","hentry","category-ii","tag-cav","tag-cnca","tag-cqc","tag-gb-2024","tag-gb-english","tag-gb-t-20042-5-2009","tag-gb-t-2024","tag-gb-t","tag-gbt-20042-5-2009","tag-gb","tag-qc-t","tag-723","tag-14"],"views":1581,"_links":{"self":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/3104","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3104"}],"version-history":[{"count":4,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/3104\/revisions"}],"predecessor-version":[{"id":5642,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/3104\/revisions\/5642"}],"wp:attachment":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}