{"id":257497,"date":"2024-01-27T06:14:37","date_gmt":"2024-01-26T22:14:37","guid":{"rendered":"\/\/m.iemloyee.com\/?p=257497"},"modified":"2024-01-26T19:19:00","modified_gmt":"2024-01-26T11:19:00","slug":"%e4%b8%ad%e5%8d%97%e5%a4%a7%e5%ad%a6adv-mater-%ef%bc%9a700%e2%84%83%e4%b8%8b%e5%90%88%e6%88%9014%e5%85%83%e9%ab%98%e7%86%b5%e5%90%88%e9%87%91%ef%bc%8c%e5%8e%9f%e4%bd%8d%e9%80%8f%e5%b0%84%e7%94%b5","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=257497","title":{"rendered":"\u4e2d\u5357\u5927\u5b66Adv. Mater.\uff1a700\u2103\u4e0b\u5408\u621014\u5143\u9ad8\u71b5\u5408\u91d1\uff0c\u539f\u4f4d\u900f\u5c04\u7535\u955c\u52a9\u529b\u89c2\u5bdf\u5206\u6b65\u5408\u91d1\u5316\u8fc7\u7a0b\uff01"},"content":{"rendered":"

\u3010\u5168\u6587\u901f\u89c8\u3011<\/strong><\/p>\n

\u5f97\u76ca\u4e8e\u72ec\u7279\u7684\u590d\u6742\u7ec4\u5206\u4ee5\u53ca\u53ef\u8c03\u63a7\u7279\u6027\uff0c\u9ad8\u71b5\u5408\u91d1\u7eb3\u7c73\u9897\u7c92(HEA-NPs)\u53d7\u5230\u79d1\u7814\u4eba\u5458\u7684\u5e7f\u6cdb\u5173\u6ce8\u3002\u8fdb\u4e00\u6b65\u62d3\u5c55\u7ec4\u5206\u7a7a\u95f4\uff0c\u5bf9\u4e8e\u4e30\u5bcc\u6750\u6599\u5e93\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u5728\u672c\u6587\u4e2d\uff0c\u4f5c\u8005\u5f00\u53d1\u51fa\u4e00\u79cd\u5206\u6b65\u5408\u91d1\u5316\u7b56\u7565\uff0c\u5373\u91c7\u7528\u9996\u6b65\u6db2\u76f8\u53cd\u5e94\u671f\u95f4\u5f62\u6210\u7684\u5bccPt\u6838\u4f5c\u4e3a\u7b2c\u4e8c\u6b65\u70ed\u6269\u6563\u7684\u6676\u79cd\uff0c\u6210\u529f\u5730\u5408\u6210\u51fa\u542b\u6709\u4e00\u7cfb\u5217\u5f3a\u6392\u65a5\u5143\u7d20(\u5982Bi-W)\u7684HEA-NPs\u3002\u7814\u7a76\u8868\u660e\uff0c\u5177\u6709\u591a\u8fbe14\u79cd\u5143\u7d20\u7684\u4ee3\u8868\u6027HEA-NPs-(14)\u5728pH\u901a\u7528\u6027\u6790\u6c22\u53cd\u5e94(HER)\u3001\u78b1\u6027\u7532\u9187\u6c27\u5316\u53cd\u5e94(MOR)\u548c\u6c27\u8fd8\u539f\u53cd\u5e94(ORR)\u8fc7\u7a0b\u4e2d\u8868\u73b0\u51fa\u975e\u5e38\u4f18\u5f02\u7684\u7535\u50ac\u5316\u6027\u80fd\u3002\u5177\u4f53\u5730\uff0c\u57280.5 M H2<\/sub>SO4<\/sub>\u548c1 M KOH\u6eb6\u6db2\u4e2d\uff0cHEA-NPs-(14)\u5206\u522b\u4ec5\u970011\u548c18 mV\u7684\u8d85\u4f4e\u8fc7\u7535\u4f4d\u5373\u53ef\u8fbe\u523010 mA cm\u2212<\/sup>2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\uff0c\u4e14\u4e8e100 mA cm\u2212<\/sup>2<\/sup>\u7535\u6d41\u5bc6\u5ea6\u4e0b\u5206\u522b\u5177\u6709\u957f\u8fbe400\u548c264 h\u7684\u8010\u4e45\u6027\uff0c\u4f18\u4e8e\u6b64\u524d\u62a5\u9053\u7684\u5927\u591a\u6570\u5148\u8fdbpH\u901a\u7528\u6027HER\u50ac\u5316\u5242\u3002\u6b64\u5916\uff0c\u57281 M KOH + 1 M CH3<\/sub>OH\u7684\u6c34\u6eb6\u6db2\u4e2d\uff0cHEA-NPs-(14)\u8868\u73b0\u51fa\u9ad8\u8fbe12.6 A mg\u2212<\/sup>1<\/sup>Pt<\/sub>\u7684\u5cf0\u7535\u6d41\u5bc6\u5ea6\u3002\u57280.1 M KOH\u6eb6\u6db2\u4e2d\uff0cHEA-NPs-(14)\u7535\u50ac\u5316\u5242\u7684\u6c27\u8fd8\u539f\u534a\u6ce2\u7535\u4f4d\u4e3a0.86 V (vs. RHE)\u3002\u8be5\u7814\u7a76\u8fdb\u4e00\u6b65\u62d3\u5c55\u4e86\u91d1\u5c5e\u5408\u91d1\u7684\u8303\u56f4\uff0c\u5bf9\u4e8e\u7ec4\u5206\u7a7a\u95f4\u62d3\u5c55\u4e0e\u6570\u636e\u9a71\u52a8\u6750\u6599\u5f00\u53d1\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n

\"\"<\/p>\n

\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u81ea2004\u5e74\u9996\u6b21\u62a5\u9053\u4ee5\u6765\uff0c\u79d1\u7814\u4eba\u5458\u5f00\u53d1\u51fa\u5404\u79cd\u5177\u6709\u4e0d\u540c\u7ec4\u5206\u548c\u4e0d\u540c\u6027\u80fd\u4f18\u52bf\u7684\u9ad8\u71b5\u5408\u91d1(HEAs)\u4ee5\u62d3\u5c55\u6750\u6599\u5e93\u3002\u5f97\u76ca\u4e8e\u9ad8\u6bd4\u8868\u9762\u79ef\u548c\u4e30\u5bcc\u7684\u6d3b\u6027\u4f4d\u70b9\uff0c\u7eb3\u7c73\u9ad8\u71b5\u5408\u91d1\u6210\u4e3a\u50a8\u80fd\u548c\u50ac\u5316\u9886\u57df\u7684\u7406\u60f3\u6750\u6599\u3002\u6839\u636e\u6b64\u524d\u7684\u62a5\u9053\uff0cHEAs\u4e2d\u7684\u539f\u5b50\u4f1a\u5931\u53bb\u5176\u5143\u7d20\u8eab\u4efd\uff0c\u5e76\u53d7\u5230\u4e0d\u540c\u5143\u7d20\u914d\u4f4d\u73af\u5883\u7684\u5f71\u54cd\u3002\u6df7\u5408\u5143\u7d20\u4e4b\u95f4\u7684\u5f3a\u76f8\u4e92\u4f5c\u7528\u53ef\u4ee5\u6781\u5927\u5730\u6269\u5c55\u50ac\u5316\u6d3b\u6027\u4f4d\u70b9\u7684\u8c03\u8282\u8303\u56f4\uff0c\u56e0\u6b64\u9ad8\u71b5\u5408\u91d1\u7eb3\u7c73\u9897\u7c92(HEA-NPs)\u901a\u5e38\u8868\u73b0\u51fa\u72ec\u7279\u4e14\u9ad8\u6548\u7684\u50ac\u5316\u6027\u80fd\u3002\u6b64\u5916\uff0c\u968f\u7740\u6df7\u5408\u5143\u7d20\u7684\u589e\u52a0\uff0c\u5143\u7d20\u95f4\u76f8\u4e92\u4f5c\u7528\u5bf9\u50ac\u5316\u6027\u80fd\u7684\u589e\u76ca\u6548\u5e94\u4e5f\u4f1a\u66f4\u660e\u663e\u3002\u56e0\u6b64\uff0c\u5728\u540c\u4e00\u6676\u683c\u4e2d\u5408\u91d1\u5316\u66f4\u591a\u7684\u5143\u7d20\uff0c\u5bf9\u4e8e\u6269\u5c55\u6750\u6599\u7684\u7ec4\u5206\u7a7a\u95f4\u548c\u672a\u6765\u50ac\u5316\u5242\u7684\u5f00\u53d1\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

\u57fa\u4e8e\u5409\u5e03\u65af\u81ea\u7531\u80fd(\u0394Gmix<\/sub>\u00a0= \u0394Hmix<\/sub>\u00a0\u2013 T*\u0394Smix<\/sub>)\u53ef\u77e5\uff0c\u9a71\u52a8HEA-NPs\u7684\u5f62\u6210\u9700\u8981\u8f83\u4f4e\u7684\u6df7\u5408\u7113(\u0394Hmix<\/sub>)\u3002\u6b64\u524d\u7684\u7814\u7a76\u62a5\u9053\u4e2d\u5f97\u51fa\u76f8\u540c\u7684\u7ed3\u8bba\uff0c\u4f8b\u5982Stocks\u7b49\u901a\u8fc7\u5206\u6790\u5927\u91cf\u5b9e\u9a8c\u6570\u636e\u53d1\u73b0\u6df7\u5408\u7113\u0394Hmix<\/sub>\u00a0< 3.57 kJ\/mol\u662f\u5747\u5300\u5408\u91d1\u5316\u7684\u5b89\u5168\u4e0a\u9650\uff0cYang\u7b49\u57fa\u4e8e\u5355\u76f8\u9009\u62e9\u89c4\u5219\u4e5f\u5f97\u51fa\u0394Hmix<\/sub>\u00a0< 5 kJ\/mol\u7684\u7c7b\u4f3c\u8303\u56f4\u3002\u56e0\u6b64\uff0c\u5c06\u5177\u6709\u9ad8\u6df7\u5408\u7113\u7684\u5f3a\u6392\u65a5\u5143\u7d20\u5408\u91d1\u5316\u662f\u4e00\u9879\u4e25\u5cfb\u7684\u79d1\u5b66\u6311\u6218(\u5982\u0394Hmix<\/sub>\u4e3a12 kJ\/mol\u7684Au-W\u5408\u91d1\uff0c\u0394Hmix<\/sub>\u4e3a19 kJ\/mol\u7684Cu-Mo\u5408\u91d1\uff0c\u0394Hmix<\/sub>\u4e3a20 kJ\/mol\u7684Mo-Sn\u5408\u91d1)\u3002\u8fd1\u5e74\u6765\uff0cHu\u7b49\u5f00\u53d1\u51fa\u4e00\u79cd\u57fa\u4e8e\u9ad8\u6e29\u548c\u9ad8\u71b5\u7684\u7b56\u7565(T*\u0394Smix<\/sub>, 1800 K\u548c15\u79cd\u5143\u7d20\u6df7\u5408)\u4ee5\u514b\u670d\u5f3a\u6392\u65a5\u7ec4\u5408\u5143\u7d20(\u5982Au-W, Mo-Cu\u548cMo-Sn)\u7684\u4e0d\u6df7\u6eb6\u6027\uff0c\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u6269\u5c55\u4e86\u53ef\u80fd\u7684\u8fc7\u6e21\u91d1\u5c5e\u5408\u91d1\u8303\u56f4\u3002\u7136\u800c\uff0c\u5982\u679c\u5f3a\u4e0d\u6df7\u6eb6\u5143\u7d20\u5bf9\u7684\u6570\u91cf\u4ee5\u53ca\u76f8\u5e94\u7684\u6df7\u5408\u7113\u503c\u6301\u7eed\u589e\u52a0(\u5982\u5728\u91d1\u5c5e\u5143\u7d20\u7ec4\u5408\u4e2dBi-Mo\u7684\u0394Hmix<\/sub>\u4e3a38 kJ\/mol\uff0cBi-W\u7684\u6700\u9ad8\u0394Hmix<\/sub>\u4e3a45 kJ\/mol\uff09\uff0c\u5219\u6e29\u5ea6\u9700\u8981\u8fdb\u4e00\u6b65\u63d0\u9ad8\u3002\u6e29\u5ea6\u7684\u5347\u9ad8\u4e0d\u4ec5\u4f1a\u63d0\u9ad8\u8bbe\u5907\u8981\u6c42\uff0c\u800c\u4e14\u4e0d\u53ef\u907f\u514d\u5730\u4f1a\u5f15\u8d77\u9897\u7c92\u56e2\u805a\u95ee\u9898\uff0c\u5bfc\u81f4\u6bd4\u8868\u9762\u79ef\u4e0b\u964d\u548c\u6d3b\u6027\u4f4d\u70b9\u51cf\u5c11\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u4e00\u79cd\u901a\u7528\u7684\u5236\u5907\u7b56\u7565\u4ee5\u8fdb\u4e00\u6b65\u62d3\u5bbd\u6750\u6599\u7684\u7ec4\u4efd\u7a7a\u95f4\uff0c\u5e76\u8bbe\u8ba1\u51fa\u4f18\u5f02\u7684\u50ac\u5316\u5242\u4f7f\u66f4\u591a\u6df7\u5408\u7113\u66f4\u9ad8\u7684\u4e0d\u6df7\u6eb6\u5143\u7d20\u5728\u76f8\u5bf9\u8f83\u4f4e\u7684\u6e29\u5ea6\u4e0b\u4e8e\u5355\u76f8\u56fa\u6eb6\u4f53\u4e2d\u6df7\u5408\uff0c\u662f\u4e00\u9879\u975e\u5e38\u503c\u5f97\u7814\u7a76\u7684\u5b66\u672f\u8bfe\u9898\u3002<\/p>\n

\u3010\u56fe\u6587\u89e3\u6790\u3011<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe1. (a)\u00a0HEA-NPs\u7684\u5206\u6b65\u5408\u91d1\u5316\u7b56\u7565\u5408\u6210\u8fc7\u7a0b\u793a\u610f\u56fe\u3002(b)\u00a0HEA-NPs-(14)\u7684EDS\u5143\u7d20\u6620\u5c04\u3002(c)\u00a0HEA-NPs-(14)\u7684XRD\u884d\u5c04\u3002(d-e)\u00a0HEA-NPs-(14)\u7684TEM\u56fe\u3002(f)\u00a0HEA-NPs-(14)\u7684\u9ad8\u5206\u8fa8\u7387TEM\u56fe\u3002(g)\u00a0HEA-NPs-(14)\u7684FFT\u884d\u5c04\u3002(h-i)\u00a0HEA-NPs-(14)\u7684\u539f\u5b50\u7ea7\u5206\u8fa8\u7387HAADF-STEM\u56fe\u3002(j-l)\u5206\u522b\u6cbfxy\u3001xx\u548cyy\u65b9\u5411\u7684\u5e94\u53d8\u6620\u5c04\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>2<\/strong>. (a) HEA-NPs-(7) (Pt, Sn, Pd, In, Cu, Ni\u548cFe)\uff0c(b) HEA-NPs-(8) (Pt, Pd, Zn, Sn, Mo, Ta, Cu\u548cHf)\uff0c(c) HEA-NPs-(9) (Pt, Zr, Sn, Mo, Bi, Hf, Co, Ni\u548cCu)\uff0c(d)\u00a0HEA-NPs-(10) (Pt, Sn, Pd, In, Zn, Au, Ni, Cu, Hf\u548cFe)\uff0c(e)\u00a0HEA-NPs-(11) (Pt, Au, Pd, Fe, Sn, In, Cu, Ga, Mn, Al\u548cNi)\uff0c(f)\u00a0HEA-NPs-(12) (Pt, Pd, Sn, Cu, Zn, Zr, Hf, Ni, Ru, W, Au\u548cBi)\uff0c(g)\u00a0HEA-NPs-(13) (Pt, Fe, Co, Ni, Cr, Mn, Ga, Sn, Al, Hf, Bi, Mo\u548cZn)\uff0c(h)\u00a0HEA-NPs-(14) (Pt, Zr, Nb, Fe, Cu, Ta, Mo, Hf, Bi, W, Zn, Sn, Pd\u548cNi)\u7684HAADF\u548cEDS\u5143\u7d20\u6620\u5c04\u56fe\u3002<\/p>\n

\"\"<\/p>\n

\u56fe3. (a)\u00a0Pt\u5728\u5143\u7d20\u6df7\u5408\u65b9\u9762\u7684\u4fc3\u8fdb\u4f5c\u7528\u793a\u610f\u56fe\u3002(b)\u975e\u6676\u7eb3\u7c73\u7247\u548cHEA-NPs-(14)\u7684XRD\u884d\u5c04\u3002(c)\u975e\u6676\u7eb3\u7c73\u7247\u7684TEM\u56fe\u3001SAED\u884d\u5c04\u3001HAADF\u56fe\u3001HR-TEM\u56fe\u548cEDS\u5143\u7d20\u6620\u5c04\u3002(d) HEA-NPs-(14)\u5728\u70ed\u5904\u7406\u8fc7\u7a0b\u4e2d\u7684\u539f\u4f4dTEM\u56fe\u5e8f\u5217\u3002<\/p>\n

\"\"<\/p>\n

\u56fe4. \u57280.5 M H2SO4\u548c1 M KOH\u6eb6\u6db2\u4e2d\u7684\u7535\u50ac\u5316HER\u6027\u80fd\u3002HEA-NPs-(14)\u548c\u5546\u4e1aPt\/C\u50ac\u5316\u52420.5 M H2SO4\u6eb6\u6db2\u4e2d\u7684(a)\u7ebf\u6027\u6781\u5316\u66f2\u7ebf\uff0c(b) Tafel\u66f2\u7ebf\uff0c(c) TOF\u66f2\u7ebf\u3002HEA-NPs-(14)\u548c\u5546\u4e1aPt\/C\u50ac\u5316\u52421 M KOH\u6eb6\u6db2\u4e2d\u7684(d)\u7ebf\u6027\u6781\u5316\u66f2\u7ebf\uff0c(e) Tafel\u66f2\u7ebf\uff0c(f) TOF\u66f2\u7ebf\u3002(g)\u00a0HEA-NPs-(14)\u57280.5 M H2SO4\u6eb6\u6db2\u548c100 mA cm-2\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u8ba1\u65f6\u7535\u4f4d\u6d4b\u8bd5\u3002(h) HEA-NPs-(14)\u57281 M KOH\u6eb6\u6db2\u548c100 mA cm-2\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u8ba1\u65f6\u7535\u4f4d\u6d4b\u8bd5\u3002<\/p>\n

\"\"<\/p>\n

\u56fe5. HEA-NPs-(14)\u57280.5 M H2SO4\u6eb6\u6db2\u4e2d\u8fde\u7eed\u8ba1\u65f6\u7535\u4f4d\u6d4b\u8bd5\u540e\u7684\u8868\u5f81\u3002(a)\u00a0HAADF-STEM\u548cEDS\u5143\u7d20\u6620\u5c04\u56fe\u3002(b)\u9ad8\u5206\u8fa8\u7387TEM\u56fe\u548c\u76f8\u5e94\u7684FFT\u884d\u5c04\u3002<\/p>\n

\"\"<\/p>\n

\u56fe6. \u57280.1 M KOH\u6eb6\u6db2\u4e2d\u7684\u7535\u50ac\u5316ORR\u6027\u80fd\u548c\u57281 M KOH + 1 M MeOH\u6eb6\u6db2\u4e2d\u7684\u7535\u50ac\u5316MOR\u6027\u80fd\u3002(a)\u00a0HEA-NPs-(14)\u548c\u5546\u4e1aPt\/C\u50ac\u5316\u5242\u57281600 rpm\u8f6c\u901f\u4e0b\u7684ORR\u6781\u5316\u66f2\u7ebf\u3002(b)\u00a0HEA-NPs-(14)\u5728\u4e0d\u540c\u8f6c\u901f\u4e0b\u7684ORR\u6781\u5316\u66f2\u7ebf\u3002(c)\u00a0HEA-NPs-(14)\u57285000\u6b21\u5faa\u73af\u524d\u540e\u7684ORR\u6781\u5316\u66f2\u7ebf\uff0c\u63d2\u56fe\u4e3a\u57280.65 V vs. RHE\u7535\u4f4d\u4e0b\u8fd0\u884c120 h\u7684\u8ba1\u65f6\u7535\u6d41\u6d4b\u8bd5\u3002(d) HEA-NPs-(14)\u548c\u5546\u4e1aPt\/C\u50ac\u5316\u5242\u7684\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf\u3002(e) HEA-NPs-(14)\u548c\u5546\u4e1aPt\/C\u50ac\u5316\u5242\u7684\u8d77\u59cb\u7535\u4f4d(0.1 A mg-1Pt)\u3002(f)\u57280.65 V vs. RHE\u7535\u4f4d\u4e0bMOR\u53cd\u5e94\u7684\u8ba1\u65f6\u7535\u6d41\u6d4b\u8bd5\u3002<\/p>\n

\u3010\u603b\u7ed3\u4e0e\u5c55\u671b\u3011<\/strong><\/p>\n

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\u3010\u6587\u732e\u6765\u6e90\u3011<\/strong><\/p>\n

Yang Wang, Wenhui Luo, Shen Gong, Liuxiong Luo, Yixuan Li, Yuyuan Zhao, Zhou Li. Synthesis of High-Entropy Alloy Nanoparticles by Step-Alloying Strategy as Superior Multifunctional Electrocatalyst.\u00a0Adv. Mater.<\/em>\u00a02023. DOI: 10.1002\/adma.202302499.<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1ahttps:\/\/doi.org\/10.1002\/adma.202302499<\/p>\n","protected":false},"excerpt":{"rendered":"

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