{"id":264282,"date":"2025-01-01T06:31:16","date_gmt":"2024-12-31T22:31:16","guid":{"rendered":"\/\/m.iemloyee.com\/?p=264282"},"modified":"2024-12-31T16:36:36","modified_gmt":"2024-12-31T08:36:36","slug":"%e9%87%8d%e5%ba%86%e7%a7%91%e6%8a%80%e5%a4%a7%e5%ad%a6%e5%92%8c%e5%ae%89%e9%a1%ba%e5%ad%a6%e9%99%a2chem-eng-j-%e2%88%a3%e9%ab%98-%e4%bd%8e%e6%8c%87%e6%95%b0%e6%99%b6%e9%9d%a2%e5%8d%8f%e5%90%8c","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=264282","title":{"rendered":"\u91cd\u5e86\u79d1\u6280\u5927\u5b66\u548c\u5b89\u987a\u5b66\u9662Chem. Eng. J.\u2223\u9ad8\/\u4f4e\u6307\u6570\u6676\u9762\u534f\u540c\u589e\u5f3aPdNi\u5408\u91d1\u7eb3\u7c73\u6676\u6c27\u8fd8\u539f\u53cd\u5e94\u6d3b\u6027\u548c\u7a33\u5b9a\u6027"},"content":{"rendered":"
01 \u5bfc\u8bfb<\/b><\/strong><\/p>\n 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\u7136\u800c\uff0c\u7531\u4e8eHIFs\u5728\u751f\u957f\u8fc7\u7a0b\u4e2d\u7684\u4e0d\u53ef\u63a7\u52a8\u529b\u5b66\u53ca\u9ad8\u8868\u9762\u80fd\uff0c\u5176\u7ed3\u6784\u7a33\u5b9a\u6027\u8f83\u5dee\uff0c\u5e38\u5728\u751f\u957f\u540e\u8f6c\u53d8\u4e3a\u70ed\u529b\u5b66\u66f4\u7a33\u5b9a\u7684LIFs\u3002\u5c3d\u7ba1LIFs\u7a33\u5b9a\u6027\u8f83\u9ad8\uff0c\u4f46\u5728\u5b9e\u9645\u6d4b\u8bd5\u7684\u9ad8\u7535\u4f4d\u533a\u95f4\u8fdb\u884cORR\u65f6\uff0c\u8868\u9762\u6613\u53d1\u751f\u4e0d\u53ef\u9006\u91cd\u6784\u5e76\u751f\u6210\u6c27\u5316\u7269\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u517c\u5177\u9ad8\u6d3b\u6027\u4e0e\u9ad8\u7a33\u5b9a\u6027\u7684\u9ad8\/\u4f4e\u6307\u6570\u6676\u9762\u534f\u540c\u7684Pd\u57fa\u7eb3\u7c73\u6676\u50ac\u5316\u5242\uff0c\u5bf9\u4e8eAEMFCs\u7684\u5546\u4e1a\u5316\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n 02 \u6210\u679c\u63a0\u5f71<\/b><\/strong><\/p>\n \u91cd\u5e86\u79d1\u6280\u5927\u5b66\u5f20\u5747\u3001\u9646\u4e16\u7389<\/b><\/strong>\u548c\u5b89\u987a\u5b66\u9662\u5434\u4f1f\u6c11<\/b><\/strong>\u7b49\u4eba\u63d0\u51fa\u4e86\u4e00\u79cd\u57fa\u4e8eNi\u00b2\u207a\u8f85\u52a9\u7684\u6676\u4f53\u7ed3\u6784\u5de5\u7a0b\u7b56\u7565\uff0c\u6210\u529f\u8bf1\u5bfcPd\u7531\u4f4e\u6307\u6570\u6676\u9762\u5411\u9ad8\u6307\u6570\u6676\u9762\u7684\u8f6c\u53d8\uff0c\u5236\u5907\u4e86\u517c\u5177\u9ad8\/\u4f4e\u6307\u6570\u6676\u9762\u7684PdNi\u5408\u91d1\u7eb3\u7c73\u6676\u3002\u901a\u8fc7\u964d\u4f4e\u6c27\u7269\u79cd\u5728PdNi(311)\u6676\u9762\u4e0a\u7684\u5438\u9644\u80fd\uff0c\u663e\u8457\u63d0\u5347\u4e86\u6c27\u8fd8\u539f\u53cd\u5e94\uff08ORR\uff09\u6d3b\u6027\u3002\u5177\u6709\u9ad8\u6307\u6570\u9762\u548c\u4f4e\u914d\u4f4d\u6570\u7684PdNi\u5408\u91d1\u6291\u5236\u4e86\u6c27\u7269\u79cd\u6269\u6563\u6216\u6574\u5408\u81f3Pd\u8868\u9762\u5f62\u6210Pd-O\u6676\u683c\u3002\u540c\u65f6\uff0cNi(OH)\u2082\u6d3b\u6027\u5c42\u7684\u5f62\u6210\u8fdb\u4e00\u6b65\u963b\u6b62\u4e86Pd\u7eb3\u7c73\u9897\u7c92\u7684\u6eb6\u89e3\u548c\u8fc1\u79fb\uff0c\u4f7f\u8be5\u7eb3\u7c73\u6676\u4f53\u5728\u957f\u671f\u9ad8\u7535\u4f4d\u53ca\u4f4e\u7535\u4f4d\u5faa\u73af\u4e0b\u4f9d\u7136\u4fdd\u6301\u6709\u5e8f\u7684\u9ad8\u6307\u6570\u6676\u9762\u7ed3\u6784\u548c\u4f18\u5f02\u7684ORR\u6027\u80fd\u3002<\/p>\n \u8be5\u7814\u7a76\u5145\u5206\u9a8c\u8bc1\u4e86Ni\u00b2\u207a\u8f85\u52a9\u6676\u4f53\u7ed3\u6784\u5de5\u7a0b\u7b56\u7565\u5728\u5b9e\u73b0LIFs\u5411HIFs\u6f14\u53d8\u4e2d\u7684\u53ef\u884c\u6027\uff0c\u5e76\u8bc1\u660e\u4e86\u517c\u5177\u9ad8\/\u4f4e\u6307\u6570\u6676\u9762\u7ed3\u6784\u7684\u5408\u91d1\u50ac\u5316\u5242\u5728\u63d0\u5347\u6c27\u8fd8\u539f\u53cd\u5e94\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u65b9\u9762\u7684\u663e\u8457\u4f18\u52bf\u3002\u8fd9\u4e3aAEMFCs\u7684\u5546\u4e1a\u5316\u63d0\u4f9b\u4e86\u91cd\u8981\u7684\u7406\u8bba\u652f\u6301\u548c\u5b9e\u9a8c\u4f9d\u636e\u3002<\/p>\n 03 \u56fe\u6587\u89e3\u6790<\/b><\/strong><\/p>\n \u56fe1<\/b><\/strong>\u00a0\u517c\u5177\u9ad8\/\u4f4e\u6307\u6570\u6676\u9762\u7ed3\u6784\u7684PdNi\u5408\u91d1\u7eb3\u7c73\u6676\u7684\u5408\u6210\u793a\u610f\u56fe\u3002<\/p>\n \u56fe2<\/b><\/strong>\u00a0Pd@NC\u50ac\u5316\u5242\u7684(a)TEM\u56fe\u548c(b-c)HR-TEM\u56fe\uff1bNi@NC\u50ac\u5316\u5242\u7684(d)TEM\u56fe\u548c(e-f)HR-TEM\u56fe\u3002<\/p>\n \u56fe3<\/b><\/strong>\u00a0Pd10<\/sub>Ni1<\/sub>@NC\u50ac\u5316\u5242\u7684\u5fae\u89c2\u5f62\u8c8c\u7ed3\u6784\u56fe\u3002(a)TEM\u56fe\uff1b(b-e)\u00a0HR-TEM\u56fe\uff1b(f)HAADF-STEM\u56fe\uff1b(g-i)EDS\u548c\u5bf9\u5e94\u7684\u5143\u7d20mapping\u56fe\u3002<\/p>\n \u56fe4<\/b><\/strong>\u00a0(a) Pd10<\/sub>Ni1<\/sub>@NC\u3001Pd@NC\u3001Ni@NC\u7684XRD\u8c31\u56fe\uff1b(b) Pd10<\/sub>Ni1<\/sub>@NC\u548cPd@NC\u7684\u62c9\u66fc\u5149\u8c31\u56fe\uff1b(c)Pd10<\/sub>Ni1<\/sub>@NC\u548cPd@NC\u7684Pd 3d XPS\u8c31\u56fe\uff1b(d)Pd@NC\u548cNi@NC\u7684Ni 2p XPS\u8c31\u56fe\u3002<\/p>\n \u56fe5<\/b><\/strong>\u00a0Pd10<\/sub>Ni1<\/sub>@NC\u3001Pd@NC\u3001Ni@NC\u3001\u5546\u4e1aPt\/C\u548c\u5546\u4e1aPd\/C\u50ac\u5316\u5242\u57280.1 M KOH\u6eb6\u6db2\u4e2d\u7684(a)LSV\u66f2\u7ebf\uff1b(b)Tafel\u56fe\uff1b(c)\u7535\u5b50\u8f6c\u79fb\u6570(n)\u548c\u8fc7\u6c27\u5316\u6c22\uff08H2<\/sub>O2<\/sub>\uff09\u4ea7\u7387\u56fe\uff1b(d)\u57280.9 ViR-free<\/sub>\u00a0(vs. RHE)\u4e0b\u7684\u8d28\u91cf\u6d3b\u6027(MA)\u548c\u6bd4\u6d3b\u6027(SA)\uff1b(e)\u7535\u5316\u5b66\u963b\u6297\u8c31\u548c(f)\u6297\u7532\u9187\u6e17\u900f\u56fe\u3002<\/p>\n \u56fe6 <\/b><\/strong>(a)Pd10<\/sub>Ni1<\/sub>@NC\u548c(b)\u5546\u4e1aPt\/C\u50ac\u5316\u5242\u572810000\u6b21\u5faa\u73af\u7a33\u5b9a\u6027\u6d4b\u8bd5\u524d\u3001\u540e\u7684LSV\u66f2\u7ebf\uff1bPd10<\/sub>Ni1<\/sub>@NC\u7a33\u5b9a\u6027\u6d4b\u8bd5\u540e\u7684(c)Pd 3d XPS\u8c31\u56fe\u548c(d)Ni 2p XPS\u8c31\u56fe\uff1b(e)Pd10<\/sub>Ni1<\/sub>@NC\u7a33\u5b9a\u6027\u6d4b\u8bd5\u524d\u3001\u540e\u7684XRD\u8c31\u56fe\uff1bPd10<\/sub>Ni1<\/sub>@NC\u7a33\u5b9a\u6027\u6d4b\u8bd5\u540e\u7684(f)TEM\u56fe\u548c(g)HR-TEM\u56fe\uff1b(h-k)\u56fe\u662f(g)\u56fe\u9ec4\u8272\u865a\u7ebf\u6846\u4e2d\u4e0d\u540c\u6676\u9762\u7684\u53cd\u5085\u91cc\u53f6\u53d8\u6362\u56fe\u3002<\/p>\n \u56fe7<\/b><\/strong>\u00a0(a)Pd(111)\u3001(b)Pd(311)\u548c(c)PdNi(311)\u6676\u9762\u4e0aO2<\/sub>\u7684\u7535\u8377\u5bc6\u5ea6\u5dee\u5206\u56fe\uff0c\u5176\u4e2d\u9ec4\u8272\u548c\u9752\u8272\u533a\u57df\u5206\u522b\u8868\u793a\u7535\u5b50\u7684\u79ef\u7d2f\u548c\u8017\u5c3d\uff1b(d)Pd(111)\u3001Pd(311)\u548cPdNi(311)\u4e0ad\u5e26\u4e2d\u5fc3\u7684PDOS\u56fe\uff1b(e)Pd(111)\u3001Pd(311)\u548cPdNi(311)\u4e0ad\u5e26\u4e2d\u5fc3\u4e0e\u548cO2<\/sub>\u5438\u9644\u80fd\u7684\u76f8\u5173\u6027\uff1b(f)\u5728PdNi(311)\u4e0a\u5404\u5438\u9644\u4e2d\u95f4\u4f53(*OOH\u3001*O\u3001*OH)\u80fd\u91cf\u6700\u4f18\u7684\u6c27\u8fd8\u539f\u53cd\u5e94\u8def\u5f84\uff1b(g)\u7535\u6781\u7535\u4f4d\u4e3a\u96f6\u65f6\uff0cPd(111)\u3001Pd(311)\u548cPdNi(311)\u4e0a\u53d1\u751f\u6c27\u8fd8\u539f\u53cd\u5e94\u65f6\u5409\u5e03\u65af\u81ea\u7531\u80fd\u53d8\u5316\u56fe\u3002<\/p>\n<\/p>\n
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