{"id":64661,"date":"2017-02-13T06:30:48","date_gmt":"2017-02-12T22:30:48","guid":{"rendered":"\/\/m.iemloyee.com\/?p=64661"},"modified":"2017-03-18T21:22:22","modified_gmt":"2017-03-18T13:22:22","slug":"nature%e5%ad%90%e5%88%8a-%e7%a6%bb%e5%ad%90%e5%9c%a8%e8%b6%85%e7%ba%a7%e7%94%b5%e5%ae%b9%e5%99%a8%e7%94%b5%e6%9e%81%e5%ad%94%e5%86%85%e6%89%a9%e6%95%a3%e7%9a%84%e5%8e%9f%e4%bd%8dnmr%e6%b5%8b%e8%af%95","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=64661","title":{"rendered":"Nature\u5b50\u520a: \u79bb\u5b50\u5728\u8d85\u7ea7\u7535\u5bb9\u5668\u7535\u6781\u5b54\u5185\u6269\u6563\u7684\u539f\u4f4dNMR\u6d4b\u8bd5"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u8d85\u7ea7\u7535\u5bb9\u5668\u8d85\u957f\u5faa\u73af\u5bff\u547d\u548c\u79d2\u6216\u538b\u79d2\u7ea7\u522b\u7684\u5feb\u901f\u5145\u653e\u7535\u4f18\u52bf\u4f7f\u5176\u5728\u5de5\u4e1a\u3001\u4ea4\u901a\u9886\u57df\u5f97\u5230\u826f\u597d\u5e94\u7528\uff0c\u4f46\u8d85\u7ea7\u7535\u5bb9\u5668\u529f\u7387\u5bc6\u5ea6\u4e0e\u80fd\u91cf\u5bc6\u5ea6\u5dee\u8ddd\u7684\u60ac\u6b8a\u9650\u5236\u4e86\u5176\u5e94\u7528\u8303\u56f4\u7684\u6269\u5c55\u3002\u4e3a\u4e86\u63d0\u9ad8\u8d85\u7ea7\u7535\u5bb9\u5668\u7684\u80fd\u91cf\u5bc6\u5ea6\uff0c\u7814\u7a76\u8005\u4eec\u5728\u7535\u6781\u7eb3\u7c73\u5b54\u7ed3\u6784\u8bbe\u8ba1\u4ee5\u53ca\u7535\u89e3\u6db2\u7684\u9009\u62e9\u4e0a\u505a\u4e86\u5927\u91cf\u63a2\u7d22\uff0c\u8bc1\u660e\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u63d0\u9ad8\u7535\u5bb9\u5668\u7684\u80fd\u91cf\u5bc6\u5ea6\uff0c\u4f46\u4e0d\u53ef\u907f\u514d\u5730\u4f1a\u9020\u6210\u529f\u7387\u5bc6\u5ea6\u7684\u635f\u5931\u3002\u6df1\u5165\u4e86\u89e3\u7535\u8377\u50a8\u5b58\u673a\u7406\uff0c\u5bfb\u6c42\u80fd\u91cf\u5bc6\u5ea6\u4e0e\u529f\u7387\u5bc6\u5ea6\u95f4\u5fae\u5999\u7684\u5e73\u8861\u5173\u7cfb\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u5206\u5b50\u52a8\u529b\u5b66\u548c\u5e73\u5747\u573a\u7406\u8bba\u8868\u660e\uff0c\u79bb\u5b50\u5728\u7535\u6781\u5b54\u5185\u6269\u6563\u3001\u8fc1\u79fb\u8fc7\u7a0b\u53d7\u79bb\u5b50\u95f4\u76f8\u4e92\u4f5c\u7528\u3001\u79bb\u5b50\u4e0e\u7535\u6781\u95f4\u76f8\u4e92\u4f5c\u7528\u4ee5\u53ca\u7535\u6781\u5b54\u7ed3\u6784\u5f71\u54cd\uff0c\u4f46\u8fd9\u4e9b\u56e0\u7d20\u5982\u4f55\u5f71\u54cd\u79bb\u5b50\u6269\u6563\uff0c\u79bb\u5b50\u5b54\u5185\u6269\u6563\u7684\u8be6\u7ec6\u8fc7\u7a0b\u662f\u76ee\u524d\u7814\u7a76\u7f3a\u5931\u7684\u90e8\u5206\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u5251\u6865\u5927\u5b66\u7684Clare\u00a0P. Grey<\/strong>\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba<\/strong>\u9996\u6b21\u91c7\u7528\u539f\u4f4d\u8109\u51b2\u68af\u5ea6\u573a\u6838\u78c1\u5171\u632f\u6280\u672f\uff08PFG-NMR\uff09\u76f4\u63a5\u8bc4\u4ef7\u79bb\u5b50\u5728\u7535\u6781\u5b54\u5185\u7684\u6269\u6563\u8fc7\u7a0b\u3002\u8be5\u6210\u679c\u53d1\u8868\u5728Nature Energy\uff0c\u9898\u4e3a \u201cDirect observation of ion dynamics in supercapacitor electrodes using in situ diffusion NMR spectroscopy<\/strong>\u201d\u3002\u7814\u7a76\u53d1\u73b0\u7eb3\u7c73\u5b54\u7ed3\u6784\u7684\u7ea6\u675f\u4f7f\u79bb\u5b50\u81ea\u6269\u6563\u7cfb\u6570\u4e0e\u5728\u7535\u89e3\u6db2\u4e2d\u76f8\u6bd4\u964d\u4f4e2\u4e2a\u6570\u91cf\u7ea7\uff1b\u5145\u7535\u8fc7\u7a0b\u4e2d\u79bb\u5b50\u5b54\u5185\u6269\u6563\u8fc7\u7a0b\u7531\u7535\u6781\/\u7535\u89e3\u6db2\u754c\u9762\u79bb\u5b50\u7fa4\u6d53\u5ea6\u7684\u6539\u53d8\u6765\u8c03\u63a7\uff0c\u4e14\u7535\u89e3\u6db2\u6d53\u5ea6\u3001\u78b3\u6750\u6599\u5b54\u5f84\u5206\u5e03\u5f71\u54cd\u5b54\u5185\u6269\u6563\u548c\u79bb\u5b50\u8fc1\u79fb\u3002\u4f5c\u8005\u8ba4\u4e3a\u57fa\u4e8e\u5145\u653e\u7535\u673a\u7406\u5c06\u53ef\u80fd\u5b9e\u73b0\u5bf9\u8d85\u7ea7\u7535\u5bb9\u5668\u7684\u80fd\u91cf\u3001\u529f\u7387\u5bc6\u5ea6\u8c03\u63a7\uff0c\u4ece\u800c\u9002\u5e94\u4e0d\u540c\u5e94\u7528\u7684\u9700\u6c42\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe<\/strong>1. <\/strong>\u8d85\u7ea7\u7535\u5bb9\u5668\u8109\u51b2\u573a\u68af\u5ea6\u6838\u78c1\u5171\u632f\u7814\u7a76\u4ecb\u7ecd<\/strong><\/p>\n

\"\"\"\"(a)\u6d4b\u8bd5\u7528\u888b\u88c5\u8d85\u7ea7\u7535\u5bb9\u5668\uff0c\u4ee5\u4e24\u79cd\u4e0d\u540c\u5b54\u9699\u7387\u5546\u4e1a\u6d3b\u6027\u70ad\uff08YP50F \u548cYP80F\uff09\u4e3a\u7535\u6781\u6750\u6599\u3002\u53f3\u4fa7\u4e3aPFG-NMR\u6d4b\u8bd5\u793a\u610f\u56fe\uff0cB<\/em>0<\/sub>\u3001B<\/em>G<\/sub>\u3001B<\/em>1<\/sub>\u5206\u522b\u4e3a\u78c1\u573a\u65b9\u5411\u3001\u78c1\u573a\u68af\u5ea6\u3001\u5c04\u9891\u65b9\u5411\uff1b<\/p>\n

(b)\u7528\u4e8ePFG-NMR\u6d4b\u8bd5\u7684\u5c04\u9891\u548c\u78c1\u573a\u68af\u5ea6\uff08Gz\uff09\u8109\u51b2\u793a\u610f\u56fe\uff1b<\/p>\n

(c)YP50F\u8d85\u7ea7\u7535\u5bb9\u5668\uff08\u7535\u6c60\u7535\u538b= 0V\uff095M PEt4<\/sub>BF4<\/sub>\u7535\u89e3\u6db2\u4e2d\u7535\u6781\u5b54\u9699\u5185\u4e0d\u540c\u6d4b\u8bd5\u65f6\u95f4\u9633\u79bb\u5b50\u4fe1\u53f7\u5f3a\u5ea6\u7684\u8870\u53d8\uff1b\uff08b\u4e0eg2<\/sup>\u6210\u6b63\u6bd4\uff0cg\u4e3a\u78c1\u573a\u68af\u5ea6\u5f3a\u5ea6\uff0c\u8be5\u66f2\u7ebf\u6309\u516c\u5f0f\uff1aI\/I0<\/sub> = exp(-Db)\u62df\u5408\u53ef\u5f97\u5230\u79bb\u5b50\u6269\u6563\u7cfb\u6570D\uff09\u3002<\/p>\n

\u56fe<\/strong>2. <\/strong>\u7535\u538b\u4e3a<\/strong>0V<\/strong>\u65f6\u79bb\u5b50\u5728\u5b54\u5185\u6269\u6563\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

(a)\u9634\u9633\u79bb\u5b50\u57285M PEt4<\/sub>BF4<\/sub>\u7eaf\u7535\u89e3\u6db2\u4e2d\u548cYP50F \u3001YP80F\u4e24\u79cd\u7535\u6781\u6750\u6599\u5b54\u5185\u6269\u6563\u7cfb\u6570\u5bf9\u6bd4\uff0c\u9634\u9633\u79bb\u5b50\u5c3a\u5bf8\u5dee\u5f02\u9020\u6210\u6269\u6563\u7cfb\u6570\u4e0d\u540c\uff1b<\/p>\n

(b)YP50F \u3001YP80F\u4e24\u79cd\u6d3b\u6027\u70ad\u5b54\u5f84\u5206\u5e03\uff0cYP80F\u4e2d1-3nm\u5b54\u7684\u8d21\u732e\u9020\u6210\u56fe(a)\u4e2d\u9633\u79bb\u5b50\u6709\u8f83\u9ad8\u7684\u5b54\u5185\u6269\u6563\u7cfb\u6570\uff1b<\/p>\n

(c)\u4e24\u79cd\u6d3b\u6027\u70ad\u4e2d\u9634\u9633\u79bb\u5b50\u6269\u6563\u7cfb\u6570\u4e0e\u4f4d\u79fb\u7684\u5173\u7cfb\u56fe\uff0c\u968f\u6d4b\u8bd5\u65f6\u95f4\u7684\u589e\u52a0\u5373\u6269\u6563\u4f4d\u79fbr\u7684\u589e\u5927\u79bb\u5b50\u6269\u6563\u6df1\u5165\u9047\u5230\u8f83\u5c0f\u7684\u5b54\u675f\u7f1a\u589e\u5927\uff0c\u5bfc\u81f4\u6269\u6563\u7cfb\u6570\u51cf\u5c0f\uff1b<\/p>\n

(d)\u968f\u6d4b\u8bd5\u65f6\u95f4\u7684\u589e\u52a0\u7559\u5728\u5b54\u4e2d\u7684\u79bb\u5b50\u6469\u5c14\u5206\u6570\u7684\u53d8\u5316\u56fe\uff0c\u76f8\u540c\u6d4b\u8bd5\u65f6\u95f4YP50F\u5b54\u4e2d\u9634\u79bb\u5b50\u4ea4\u6362\u901f\u7387\u8f83\u9633\u79bb\u5b50\u5feb\uff1b<\/p>\n

(e)\u4e8c\u7ef4\u6838\u78c1\u5171\u632f\u4ea4\u6362\u8c31\uff1b\u76f8\u6bd4\u9634\u79bb\u5b50\u4ea4\u9519\u5cf0\u5f3a\u5ea6\u66f4\u5927\uff0c\u4e0e(d)\u4e2d\u7ed3\u679c\u76f8\u540c\uff0c\u9634\u79bb\u5b50\u4ea4\u6362\u901f\u5ea6\u8f83\u9633\u79bb\u5b50\u5feb;<\/p>\n

(f)\u9633\u79bb\u5b50\u5728YP50F \u3001YP80F\u4e24\u79cd\u78b3\u7535\u6781\u5b54\u5185\u5916\u4ea4\u6362\u901f\u5ea6\u5bf9\u6bd4\u3002<\/p>\n

\u56fe<\/strong>3. <\/strong>\u79bb\u5b50\u6269\u6563\u52a8\u529b\u5b66\u7684\u539f\u4f4d\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

(a)\u4e0d\u540c\u7535\u89e3\u6db2\u6d53\u5ea6\uff0c\u9633\u79bb\u5b50\u5728YP50F\u4e2d\u4e0d\u540c\u7535\u4f4d\u4e0b\u7684\u6269\u6563\u7cfb\u6570\u3002\u8d1f\u5411\u6781\u5316\u65f6\uff0c\u9633\u79bb\u5b50\u6269\u6563\u7cfb\u6570\u968f\u6781\u5316\u589e\u5927\u800c\u51cf\u5c0f\uff0c\u6b63\u5411\u6781\u5316\u6269\u6563\u7cfb\u6570\u57fa\u672c\u4e0d\u53d8\uff1b<\/p>\n

(b)1.5M\u7535\u89e3\u6db2\u4e2d\u9634\u79bb\u5b50\u4e0d\u540c\u7535\u4f4d\u4e0b\u6269\u6563\u7cfb\u6570\u7684\u53d8\u5316\u56fe\u3002\u8d1f\u5411\u6781\u5316\u65f6\uff0c\u9634\u79bb\u5b50\u6269\u6563\u7cfb\u6570\u51cf\u5c0f\uff0c\u6b63\u5411\u6781\u5316\u6269\u6563\u7cfb\u6570\u6709\u8f7b\u5fae\u589e\u52a0\uff1b<\/p>\n

(c)\u4e0d\u540c\u7535\u4f4d\u4e0b\u5b54\u5185\u603b\u79bb\u5b50\u7fa4\u6469\u5c14\u8d28\u91cf\u53d8\u5316\u56fe\uff1b\u5b54\u5185\u79bb\u5b50\u7fa4\u7684\u589e\u52a0\u4e0e\u6269\u6563\u7cfb\u6570\u7684\u51cf\u5c0f\u76f8\u5173\uff0c\u7535\u89e3\u6db2\u6d53\u5ea6\u964d\u4f4e\u5b54\u5185\u79bb\u5b50\u51cf\u5c11\u5bfc\u81f4\u540c\u7535\u4f4d\u4e0b\u6269\u6563\u7cfb\u6570\u589e\u52a0\uff08\u5bf9\u6bd4b\u56fe\uff09\uff1b<\/p>\n

(d)\u7535\u8377\u5b58\u50a8\u673a\u7406\u56fe\uff1b\u57280V\u65f6\uff0c\u5728\u5b54\u4e2d\u5b58\u5728\u76f8\u7b49\u6570\u91cf\u7684\u9633\u3001\u9634\u79bb\u5b50\uff0c\u6b63\u7535\u4f4d\u6781 \u5316\uff0c\u901a\u8fc7\u9634\u3001\u9633\u79bb\u5b50\u7684\u4ea4\u6362\u8fdb\u884c\u5145\u7535\uff0c\u8d1f\u7535\u4f4d\u65f6\u5219\u901a\u8fc7\u7535\u9633\u79bb\u5b50\u5438\u9644\u5145\u7535\uff1b<\/p>\n

(e)\u5b54\u5185\u79bb\u5b50\u603b\u91cf\u4e0e\u6269\u6563\u901f\u7387\u5173\u7cfb\u56fe\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u4f5c\u8005\u6210\u529f\u5229\u7528\u539f\u4f4dPFG-NMR\u6280\u672f\u63ed\u793a\u4e86\u8d85\u7ea7\u7535\u5bb9\u5668\u7535\u6781\u4e2d\u79bb\u5b50\u6269\u6563\u548c\u4ea4\u6362\u8fc7\u7a0b\uff0c\u6df1\u5165\u63a2\u8ba8\u4e86\u79bb\u5b50\u5c3a\u5bf8\u3001\u7535\u6781\u6750\u6599\u7eb3\u7c73\u5b54\u7ed3\u6784\u5bf9\u6269\u6563\u7cfb\u6570\u7684\u5f71\u54cd\u3002\u5b9e\u9a8c\u7ed3\u679c\u8bf4\u660e\u5145\u7535\u673a\u7406\u4e0e\u52a8\u529b\u5b66\u95f4\u5b58\u5728\u91cd\u8981\u8054\u7cfb\u3002\u4f5c\u8005\u91c7\u7528\u7684\u539f\u4f4d\u6d4b\u8bd5\u6280\u672f\u4e3a\u8bbe\u8ba1\u9ad8\u6027\u80fd\u8d85\u7ea7\u7535\u5bb9\u5668\u63d0\u4f9b\u4e86\u5951\u673a\u3002\u901a\u8fc7\u964d\u4f4e\u7535\u89e3\u6db2\u6d53\u5ea6\uff0c\u4ee5\u589e\u5927\u79bb\u5b50\u6269\u6563\u901f\u7387\u5c31\u662f\u4e00\u79cd\u7b80\u5355\u7684\u63d0\u9ad8\u8d85\u7ea7\u7535\u5bb9\u5668\u5145\u7535\u901f\u7387\u7684\u65b9\u6cd5\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Direct observation of ion dynamics in supercapacitor electrodes using\u00a0in\u00a0situ <\/em>diffusion NMR spectroscopy<\/a> (Nature Energy, 2017, DOI: 10.1038\/nenergy.2016.216 )<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u5b66\u672f\u7ec4 Starkle\u00a0\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

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