{"id":100970,"date":"2017-09-11T14:00:47","date_gmt":"2017-09-11T06:00:47","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=100970"},"modified":"2017-09-10T14:05:30","modified_gmt":"2017-09-10T06:05:30","slug":"%e5%8d%8e%e4%b8%ad%e7%a7%91%e6%8a%80%e5%a4%a7%e5%ad%a6nano-energy%ef%bc%9a%e9%92%99%e9%92%9b%e7%9f%bf%e5%9e%8b%e9%94%82%e7%a1%ab%e7%94%b5%e6%b1%a0%e6%ad%a3%e6%9e%81%e6%8a%91%e5%88%b6%e5%a4%9a%e7%a1%ab","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=100970","title":{"rendered":"\u534e\u4e2d\u79d1\u6280\u5927\u5b66Nano Energy\uff1a\u9499\u949b\u77ff\u578b\u9502\u786b\u7535\u6c60\u6b63\u6781\u6291\u5236\u591a\u786b\u5316\u7269\u7684\u7a7f\u68ad\u6548\u5e94"},"content":{"rendered":"

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

\u9502\u786b\u7535\u6c60\u5177\u6709\u9ad8\u7684\u7406\u8bba\u6bd4\u5bb9\u91cf\uff081675 mAh g-1\uff09\u548c\u7406\u8bba\u80fd\u91cf\u5bc6\u5ea6\uff082600 Wh kg-1\uff09\uff0c\u662f\u76ee\u524d\u6700\u6709\u7814\u7a76\u4ef7\u503c\u548c\u5e94\u7528\u524d\u666f\u7684\u9502\u4e8c\u6b21\u7535\u6c60\u4f53\u7cfb\u4e4b\u4e00\u3002\u4f46\u9502\u786b\u7535\u6c60\u5728\u8d70\u5411\u5b9e\u9645\u5e94\u7528\u7684\u9053\u8def\u4e0a\u4ecd\u9762\u4e34\u7740\u5f88\u591a\u95ee\u9898\uff0c\u5176\u4e2d\u4e00\u4e2a\u91cd\u8981\u95ee\u9898\u5c31\u662f\u591a\u786b\u5316\u7269\u7684\u7a7f\u68ad\u6548\u5e94\uff0c\u5373\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u5f62\u6210\u7684\u591a\u786b\u5316\u7269\uff08Sn2-\uff0c3\u2264n\u22648\uff09\u6eb6\u89e3\u5728\u7535\u89e3\u8d28\u6eb6\u6db2\u4e2d\uff0c\u8fd9\u4e0d\u4ec5\u4f1a\u5bfc\u81f4\u6b63\u6781\u786b\u6d3b\u6027\u7269\u8d28\u7684\u6d41\u5931\uff0c\u591a\u786b\u5316\u7269\u8fd8\u4f1a\u900f\u8fc7\u9694\u819c\u6269\u6563\u5230\u8d1f\u6781\uff0c\u88ab\u9502\u8fd8\u539f\u751f\u6210\u4e0d\u6eb6\u7684Li2S2\u548cLi2S\u9644\u7740\u5728\u8d1f\u6781\u8868\u9762\u3002\u7a7f\u68ad\u6548\u5e94\u4e0d\u4ec5\u964d\u4f4e\u4e86\u786b\u7684\u5229\u7528\u7387\uff0c\u9650\u5236\u4e86\u6bd4\u5bb9\u91cf\uff0c\u8fd8\u4f1a\u964d\u4f4e\u9502\u786b\u7535\u6c60\u7684\u5faa\u73af\u7a33\u5b9a\u6027\uff0c\u7f29\u77ed\u5176\u5bff\u547d\u3002
\n \u4e3a\u4e86\u9650\u5236\u9502\u786b\u7535\u6c60\u4e2d\u7684\u7a7f\u68ad\u6548\u5e94\uff0c\u901a\u5e38\u91c7\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\uff1a(1)\u5728\u786b\u8868\u9762\u5f62\u6210\u78b3\u6750\u6599\u5305\u8986\u5c42\uff0c\u5bf9\u591a\u786b\u5316\u7269\u7684\u6eb6\u89e3\u548c\u6269\u6563\u8d77\u5230\u7269\u7406\u9650\u5236\u4f5c\u7528\uff1b(2)\u7528\u6c27\u5316\u7269\u3001\u786b\u5316\u7269\u3001\u91d1\u5c5e-\u6709\u673a\u6846\u67b6(MOF)\u7b49\u6781\u6027\u5316\u5408\u7269\u4f5c\u4e3a\u6b63\u6781\u6750\u6599\uff0c\u4e0e\u591a\u786b\u5316\u7269\u5f62\u6210\u5f3a\u7684\u5076\u6781-\u5076\u6781\u76f8\u4e92\u4f5c\u7528\uff0c\u5bf9\u591a\u786b\u5316\u7269\u7684\u6eb6\u89e3\u548c\u6269\u6563\u8d77\u5230\u5316\u5b66\u9650\u5236\u4f5c\u7528\u3002\u78b3\/\u786b\u590d\u5408\u7ed3\u6784\u867d\u7136\u80fd\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u63d0\u9ad8\u786b\u7684\u5229\u7528\u7387\u5e76\u5ef6\u957f\u5faa\u73af\u5bff\u547d\uff0c\u4f46\u4ecd\u7136\u5b58\u5728\u660e\u663e\u7684\u5bb9\u91cf\u8870\u51cf\u95ee\u9898\u3002\u800c\u6c27\u5316\u7269\u3001\u786b\u5316\u7269\u3001\u91d1\u5c5e-\u6709\u673a\u6846\u67b6(MOF)\u7b49\u867d\u7136\u80fd\u6709\u6548\u9650\u5236\u591a\u786b\u5316\u7269\u7684\u7a7f\u68ad\u6548\u5e94\uff0c\u4f46\u5176\u5bfc\u7535\u6027\u5dee\u4e5f\u4f1a\u9020\u6210\u500d\u7387\u6027\u80fd\u5dee\u53ca\u786b\u5229\u7528\u7387\u4f4e\u7684\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u9700\u8981\u7ed3\u5408\u4e0a\u8ff0\u4e24\u79cd\u65b9\u6cd5\u7684\u4f18\u52bf\uff0c\u6784\u7b51\u500d\u7387\u6027\u80fd\u53ca\u5faa\u73af\u7a33\u5b9a\u6027\u66f4\u597d\u7684\u9502\u786b\u7535\u6c60\u6b63\u6781\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u534e\u4e2d\u79d1\u6280\u5927\u5b66\u7684\u9ec4\u4e91\u8f89\u6559\u6388\u548c\u8881\u5229\u971e\u526f\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u8bfe\u9898\u7ec4\u9996\u6b21\u4ee5\u9499\u949b\u77ff\u578b\u7684La0.6Sr0.4CoO3-\u03b4\uff08\u4ee5\u4e0b\u7b80\u79f0\u4e3aLSC\uff09\u4f5c\u4e3a\u6b63\u6781\u6750\u6599\uff0c\u6784\u7b51LSC\/S@C\u7eb3\u7c73\u68d2\u6838\u58f3\u7ed3\u6784\uff0c\u5e76\u5c06\u8be5\u4f53\u7cfb\u4f5c\u4e3a\u6b63\u6781\uff0c\u6709\u6548\u6291\u5236\u4e86\u591a\u786b\u5316\u7269\u7684\u7a7f\u68ad\u6548\u5e94\uff0c\u83b7\u5f97\u4e86\u4f18\u5f02\u7684\u6bd4\u5bb9\u91cf\u548c\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u5f53\u786b\u8d1f\u8f7d\u91cf\u4e3a2.1 mg cm-2\uff0c\u5145\u653e\u7535\u500d\u7387\u4e3a0.5C\u65f6\uff0cLSC\/S@C\u7684\u53ef\u9006\u6bd4\u5bb9\u91cf\u9ad8\u8fbe996 mAh g-1\uff0c\u5faa\u73af\u5145\u653e\u7535400\u6b21\u65f6\u7684\u5bb9\u91cf\u8870\u51cf\u4ec5\u4e3a0.039 %\u3002\u5f53\u786b\u8d1f\u8f7d\u91cf\u589e\u52a0\u52305.4 mg cm-2\u65f6\uff0cLSC\/S@C\u6b63\u6781\u4ecd\u7136\u80fd\u4fdd\u6301\u8f83\u9ad8\u7684\u786b\u5229\u7528\u7387\u53ca\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u7814\u7a76\u8868\u660e\uff0c\u5411LaCoO3\u6676\u4f53\u4e2d\u63ba\u6742Sr\u5143\u7d20\u4f1a\u5bfc\u81f4Co\u79bb\u5b50\u4ef7\u6001\u7684\u6539\u53d8\u548c\u6c27\u7a7a\u4f4d\u7684\u751f\u6210\uff0c\u5176\u4e2d\u6df7\u5408\u4ef7\u6001\u7684Co\u79bb\u5b50\u5bf9\u591a\u786b\u5316\u7269\u6709\u66f4\u5f3a\u7684\u5438\u9644\u4f5c\u7528\uff0c\u800c\u6c27\u7a7a\u4f4d\u80fd\u589e\u5f3aLi2S4\u548cLSC\u4e4b\u95f4\u7684\u7ed3\u5408\u529b\u3002\u6b64\u5916\uff0cSr\u5143\u7d20\u63ba\u6742\u4e0e\u78b3\u6750\u6599\u5305\u8986\u5c42\u7684\u5171\u540c\u4f5c\u7528\u5bfc\u81f4LSC\/S@C\u4f53\u7cfb\u5177\u6709\u9ad8\u8fbe52.63 S cm-1\u7684\u7535\u5bfc\u7387\uff0c\u4ece\u800c\u5f25\u8865\u4e86\u786b\u7535\u5bfc\u7387\u4f4e\u7684\u95ee\u9898\u3002\u8be5\u7814\u7a76\u6210\u679c\u4ee5\u201cPerovskite La0.6Sr0.4CoO3-\u03b4 as a New Polysulfide Immobilizer for High-Energy Lithium-Sulfur Batteries\u201d\u4e3a\u9898\uff0c\u53d1\u8868\u5728Nano Energy\u4e0a\u3002<\/p>\n

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

\u56fe1. LSC\/S@C\u7684\u5236\u5907\u8fc7\u7a0b<\/strong><\/p>\n

\"\"<\/p>\n

\u5148\u7528\u9759\u7535\u7eba\u4e1d\u7ed3\u5408\u70ed\u5904\u7406\u7684\u65b9\u6cd5\u5236\u5907\u5f97\u5230LSC\u591a\u5b54\u7ea4\u7ef4\uff0c\u5229\u7528\u6b63\u7845\u9178\u4e59\u916f(TEOS)\u6c34\u89e3\u5728LSC\u591a\u5b54\u7ea4\u7ef4\u8868\u9762\u5305\u8986SiO2\u5c42\uff0c\u518d\u7528\u6db2\u76f8\u805a\u5408\u65b9\u6cd5\u5728LSC@SiO2\u8868\u9762\u5f97\u5230\u4e00\u5c42\u95f4\u82ef\u4e8c\u915a-\u7532\u919b\u6811\u8102\uff0c\u9ad8\u6e29\u78b3\u5316\u540e\u5f97\u5230LSC@SiO2@C\u4f53\u7cfb\uff0c\u7528HF\u523b\u8680\u9664\u53bbSiO2\uff0c\u6700\u540e\u5229\u7528\u786b\u5728\u9ad8\u6e29\u4e0b\u7684\u5347\u534e\u548c\u51dd\u56fa\u628a\u786b\u586b\u5145\u5728LSC\u548cC\u5c42\u4e4b\u95f4\uff0c\u5f97\u5230LSC\/S@C\u7eb3\u7c73\u68d2\u6838\u58f3\u7ed3\u6784\u3002<\/p>\n

\u56fe2. \u5f62\u8c8c\u53ca\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a) LSC\u591a\u5b54\u7ea4\u7ef4\u7684SEM\u56fe\u3002<\/p>\n

(b) LSC\u591a\u5b54\u7ea4\u7ef4\u7684TEM\u56fe\uff0c\u53ef\u89c1LSC\u591a\u5b54\u7ea4\u7ef4\u662f\u7531\u76f8\u4e92\u8fde\u63a5\u7684LSC\u9897\u7c92\u6784\u6210\u7684\u3002<\/p>\n

(c) LSC\u591a\u5b54\u7ea4\u7ef4\u7684HRTEM\u56fe\u3002<\/p>\n

(d) LSC@SiO2\u7684TEM\u56fe\u3002<\/p>\n

(e) LSC@SiO2@C\u7684TEM\u56fe\u3002<\/p>\n

(f) LSC\/S@C\u7684TEM\u56fe\u3002<\/p>\n

(g) LCO\u3001LSC\u3001LSC\/Li2S4\u3001LSC\/S@C\u7684XRD\u3002<\/p>\n

(h) LSC\u591a\u5b54\u7ea4\u7ef4\u7684N2\u7b49\u6e29\u5438\u9644\/\u8131\u9644\u7ebf\uff0c\u5176\u6bd4\u8868\u9762\u79ef\u4e3a70.3 m2 g-1\u3002<\/p>\n

\u56fe3. LSC\/S@C\u6b63\u6781\u7684\u7535\u5316\u5b66\u6027\u80fd\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u7b2c1~5\u6b21\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf\uff0c\u626b\u63cf\u901f\u5ea6\u4e3a0.05 mV s-1\u3002<\/p>\n

(b) \u5145\u653e\u7535\u500d\u7387\u4e3a0.5C\u65f6\u7684\u5145\u653e\u7535\u66f2\u7ebf\u3002<\/p>\n

(c) \u4e0d\u540c\u500d\u7387\u4e0b\u7684\u653e\u7535\u5bb9\u91cf\u53ca\u5e93\u4f26\u6548\u7387\u3002<\/p>\n

(d) \u4e0d\u540c\u500d\u7387\u4e0b\u7684\u5145\u653e\u7535\u66f2\u7ebf\u3002<\/p>\n

(e) \u5145\u653e\u7535\u500d\u7387\u4e3a0.5C\u65f6LSC\/S@C\u548cS@C\u7684\u6bd4\u5bb9\u91cf\u548c\u5e93\u4f26\u6548\u7387\u968f\u5faa\u73af\u6b21\u6570\u7684\u53d8\u5316\u3002<\/p>\n

\u56fe4. \u786b\u8d1f\u8f7d\u91cf\u5bf9LSC\/S@C\u6b63\u6781\u7535\u5316\u5b66\u6027\u80fd\u7684\u5f71\u54cd<\/p>\n

\"\"<\/p>\n

(a) \u4e0d\u540c\u786b\u8d1f\u8f7d\u91cf\u4e0bLSC\/S@C\u6b63\u6781\u7684\u5145\u653e\u7535\u66f2\u7ebf\u3002<\/p>\n

(b) \u5145\u653e\u7535\u500d\u7387\u4e3a0.05C\u65f6\u653e\u7535\u9762\u5bb9\u91cf\u968f\u786b\u8d1f\u8f7d\u91cf\u7684\u53d8\u5316\u3002<\/p>\n

(c) \u5145\u653e\u7535\u500d\u7387\u4e3a0.2C\u65f6\u786b\u8d1f\u8f7d\u91cf\u5bf9\u5faa\u73af\u7a33\u5b9a\u6027\u7684\u5f71\u54cd\u3002<\/p>\n

(d) \u5145\u653e\u7535\u500d\u7387\u4e3a0.2C\uff0c\u786b\u8d1f\u8f7d\u91cf\u4e3a5.4 mg cm-2\u65f6\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u3002<\/p>\n

\u56fe5. \u5438\u9644\u6a21\u578b\u53caXPS\u8c31\u56fe<\/p>\n

\"\"<\/p>\n

(a,b) \u5b8c\u5168\u5f1b\u8c6b\u72b6\u6001\u4e0bLi2S4\u5728(a) LaCoO3(110)\u6676\u9762\uff1b(b) La0.6Sr0.4CoO3-\u03b4 (110)\u6676\u9762\u5438\u9644\u7684\u6700\u7a33\u5b9a\u6784\u578b\u3002<\/p>\n

(c,d) LSC\u548cLSC\/ Li2S4\u7684(c)Co 2p XPS\uff1b(d) S 2p XPS\u3002<\/p>\n

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

\u8fd9\u9879\u5de5\u4f5c\u9996\u6b21\u91c7\u7528\u9499\u949b\u77ff\u578bLa0.6Sr0.4CoO3-\u03b4\u4f5c\u4e3a\u9502\u786b\u7535\u6c60\u6b63\u6781\u6750\u6599\u3002\u901a\u8fc7\u6784\u7b51La0.6Sr0.4CoO3-\u03b4\/S@C \u7eb3\u7c73\u68d2\u6838\u58f3\u7ed3\u6784\uff0c\u5c06\u78b3\u5305\u8986\u5c42\u5bf9\u591a\u786b\u5316\u7269\u7684\u7269\u7406\u9650\u5236\u4f5c\u7528\u4e0eLa0.6Sr0.4CoO3-\u03b4\u5bf9\u591a\u786b\u5316\u7269\u7684\u5316\u5b66\u9650\u5236\u4f5c\u7528\u7ed3\u5408\u8d77\u6765\uff0c\u6709\u6548\u6291\u5236\u4e86\u7a7f\u68ad\u6548\u5e94\uff0c\u63d0\u9ad8\u4e86\u9502\u786b\u7535\u6c60\u7684\u786b\u5229\u7528\u7387\u548c\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u8fd9\u9879\u5de5\u4f5c\u4e3a\u91c7\u7528\u7535\u5bfc\u7387\u9ad8\u7684\u590d\u5408\u6c27\u5316\u7269\u4f5c\u4e3a\u9ad8\u6027\u80fd\u9502\u786b\u7535\u6c60\u6b63\u6781\u70b9\u4eae\u4e86\u66d9\u5149\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Perovskite La0.6Sr0.4CoO3-\u03b4 as a New Polysulfide Immobilizer for High-Energy Lithium-Sulfur Batteries<\/a> (Nano Energy, 2017, DOI: http:\/\/dx.doi.org\/10.1016\/j.nanoen.2017.08.039)<\/p>\n

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