{"id":254845,"date":"2023-10-06T06:03:51","date_gmt":"2023-10-05T22:03:51","guid":{"rendered":"\/\/m.iemloyee.com\/?p=254845"},"modified":"2023-10-05T16:04:10","modified_gmt":"2023-10-05T08:04:10","slug":"%e6%97%a0%e7%94%b5%e5%8e%8b%e9%99%8d%ef%bc%81%e4%b8%80%e7%a7%8d%e5%9c%a8%e7%94%b5%e5%8c%96%e5%ad%a6%e5%be%aa%e7%8e%af%e4%b8%ad%e5%8e%9f%e4%bd%8d%e7%94%9f%e6%88%90%e7%9a%84%e9%94%b0%e5%9f%ba%e9%83%a8","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=254845","title":{"rendered":"\u65e0\u7535\u538b\u964d\uff01\u4e00\u79cd\u5728\u7535\u5316\u5b66\u5faa\u73af\u4e2d\u539f\u4f4d\u751f\u6210\u7684\u9530\u57fa\u90e8\u5206\u65e0\u5e8f\u5c16\u6676\u77f3\u578b\u9502\u79bb\u5b50\u6b63\u6781\u6750\u6599"},"content":{"rendered":"

\u4e00\u3001<\/strong> \u3010\u5bfc\u8bfb\u3011<\/strong>\u00a0 <\/strong><\/p>\n

\u9530\u662f\u9502\u79bb\u5b50\u7535\u6c60\u5de5\u4e1a\u7684\u5173\u952e\u5143\u7d20\uff0c\u56e0\u4e3a\u5b83\u4e30\u5bcc\u3001\u5ec9\u4ef7\uff0c\u5e76\u4e14\u5177\u6709\u9ad8\u6c27\u5316\u8fd8\u539f\u7535\u538b\uff0c\u5176\u6c27\u5316\u6001Mn4+<\/sup>\u7684\u70ed\u7a33\u5b9a\u6027\u8fdc\u9ad8\u4e8eNi4+<\/sup>\u548cCo4+<\/sup>\u3002\u5728\u4eca\u5929\u7684\u7535\u52a8\u6c7d\u8f66\u7535\u6c60\u4e2d\uff0c\u9530\u901a\u5e38\u88ab\u7528\u4f5cNMC\u578b\u6b63\u6781\u4e2d\u7684\u975e\u6d3b\u6027\u5143\u7d20\uff0c\u800c\u5728\u5bcc\u9502NMC\uff08LMR-NMC\uff09\u4e2d\uff0c\u4e0d\u53ef\u9006\u6c27\u7535\u5bf9\u53ef\u4ee5\u5728\u524d\u51e0\u4e2a\u5faa\u73af\u4e2d\u8fd8\u539fMn\u5e76\u6fc0\u6d3b\u9530\u7535\u5bf9\u3002\u88ab\u8fd8\u539f\u5ea6\u7684Mn2+<\/sup>\u548cMn3+<\/sup>\u79bb\u5b50\u53ef\u4ee5\u5728\u6676\u683c\u4e2d\u6709\u8f83\u9ad8\u7684\u8fc1\u79fb\u80fd\u529b\uff0c\u4f7f\u7ed3\u6784\u8f6c\u53d8\u4e3a\u7c7b\u4f3c\u4e8e\u5c16\u6676\u77f3\u7684\u7ed3\u6784\uff0c\u5e76\u5bfc\u81f4\u7535\u538b\u548c\u80fd\u91cf\u5bc6\u5ea6\u964d\u4f4e\u3002\u4e3a\u4e86\u7a81\u7834\u8fd9\u4e00\u96be\u9898\uff0c\u52a0\u5dde\u5927\u5b66\u4f2f\u514b\u5229\u5206\u6821\u7684Gerbrand Ceder\u6559\u6388\u548c\u4e2d\u56fd\u79d1\u5b66\u9662\u5927\u5b66\u7684\u4f26\u6b63\u8a00\u6559\u6388\u5728\u6700\u8fd1\u53d1\u8868\u5728Nature Energy\u4e0a\u7684\u5de5\u4f5c\u4e2d\uff0c\u5229\u7528\u9530\u79bb\u5b50\u7684\u9ad8\u8fc1\u79fb\u6027\uff0c\u5728\u7535\u5316\u5b66\u5faa\u73af\u4e2d\u539f\u4f4d\u751f\u6210\u5177\u6709\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u4e14\u7a33\u5b9a\u7684\u90e8\u5206\u65e0\u5e8f\u5c16\u6676\u77f3\u578b\u6b63\u6781\u6750\u6599\uff08\u6807\u8bb0\u4e3a\u03b4<\/em><\/strong>\u76f8<\/strong>\uff0c\u56fe1A\uff09\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>1. Characterization of as-synthesized Li1+x<\/sub>Mn1\u22123x<\/sub>Ti2x<\/sub>O2<\/sub>, x = 0.05, 0.1 and 0.15.<\/strong><\/p>\n

\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n

\u4f5c\u8005\u5c55\u793a\u4e86\u9530\u9633\u79bb\u5b50\u7684\u9ad8\u8fc1\u79fb\u6027\u53ef\u4ee5\u7528\u4f5c\u5236\u5907\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u3001\u7a33\u5b9a\u7684\u9634\u6781\u6750\u6599\u7684\u4f18\u52bf\u3002\u4ece\u6613\u4e8e\u5408\u6210\u7684\u9633\u79bb\u5b50\u65e0\u5e8f\u7684Li1.05<\/sub>Mn0.85<\/sub>Ti0.1<\/sub>O2<\/sub>\uff08L5M85\uff09\u5316\u5408\u7269\u51fa\u53d1\uff0c\u8f6c\u53d8\u4e3a\u03b4<\/em>\u76f8\u53ef\u5b9e\u73b0288.6 mAh g\u22121<\/sup>\u7684\u5bb9\u91cf\u548c826 Wh kg\u22121<\/sup>\u7684\u80fd\u91cf\u5bc6\u5ea6\uff0c\u5e76\u5177\u6709\u826f\u597d\u7684\u500d\u7387\u6027\u80fd\u3002\u5c3d\u7ba1\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u53d1\u751f\u4e86\u7ed3\u6784\u53d8\u5316\uff0cL5M85\u8868\u73b0\u51fa\u5353\u8d8a\u7684\u7535\u538b\u7a33\u5b9a\u6027\u3002\u5f53\u57282\u81f34.8 V\u4e4b\u95f4\u5faa\u73af100\u5708\u540e\uff0cL5M85\u4ecd\u7136\u4fdd\u6301\u77403.165 V\u7684\u653e\u7535\u7535\u538b\uff0c\u6bd4\u5176\u521d\u59cb\u503c\u9ad8\u51fa37 mV\uff0c\u4ec5\u6bd4\u5faa\u73af\u65f6\u7684\u6700\u5927\u503c\u4f4e26 mV\u3002<\/p>\n

\u00a0<\/strong>\u4e09\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/p>\n

\u672c\u6587\u4e2d\uff0c\u4f5c\u8005\u901a\u8fc7\u56fa\u76f8\u70e7\u7ed3\u7684\u65b9\u6cd5\u5408\u6210\u4e86\u4e00\u7cfb\u5217\u5177\u6709\u4e0d\u540c\u9502\u3001\u9530\u542b\u91cf\uff08\u4f46\u9530\u4ef7\u6001\u76f8\u540c\uff09\u7684\u65e0\u5e8f\u76d0\u5ca9\uff08DRX\uff09\u5316\u5408\u7269\uff1a Li1.05<\/sub>Mn0.85<\/sub>Ti0.1<\/sub>O2<\/sub>\uff08L5M85\uff09\u3001Li1.1<\/sub>Mn0.7<\/sub>Ti0.2<\/sub>O2<\/sub>\uff08L10M70\uff09\u548cLi1.15<\/sub>Mn0.55<\/sub>Ti0.3<\/sub>O2<\/sub>\uff08L15M55\uff09\u3002\u901a\u8fc7XRD\u3001SEM\u548cTEM\u8868\u5f81\u4e86\u6837\u54c1\u7eaf\u5ea6\u548c\u6676\u7c92\u5c3a\u5bf8\uff08\u56fe1B-G\uff09\u3002<\/p>\n

\u4e00\u7cfb\u5217\u57fa\u4e8e\u9530\u7684<\/strong>DRX<\/strong>\u5316\u5408\u7269\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n

DRX\u4e2d\u8f83\u9ad8\u7684\u9502\u542b\u91cf\u901a\u5e38\u4f1a\u5bfc\u81f4\u66f4\u597d\u7684\u903e\u6e17\u7f51\u7edc\uff0c\u4ece\u800c\u63d0\u9ad8\u5bb9\u91cf\u3002\u7535\u5316\u5b66\u5faa\u73af\u6027\u80fd\u5982\u56fe2A\u6240\u793a\uff0c\u968f\u7740\u9502\u8fc7\u91cf\u91cf\u7684\u589e\u52a0\uff0c\u521d\u59cb\u7684\u5145\u7535\uff08\u653e\u7535\uff09\u5bb9\u91cf\u4eceL5M85\u7684220 mAh g\u22121\uff08138 mAh g\u22121\uff09\u9010\u6e10\u589e\u52a0\u5230L10M70\u7684270 mAh g\u22121\uff08156 mAh g\u22121\uff09\uff0c\u5e76\u8fdb\u4e00\u6b65\u589e\u52a0\u5230L15M55\u7684314 mAh g\u22121\uff08206 mAh g\u22121\uff09\u3002<\/p>\n

\"\"<\/p>\n

Figure 2. Electrochemical performance and structural characterization of Li1.05+x<\/sub>Mn0.85-3x<\/sub>Ti0.1+2x<\/sub>O2<\/sub>.<\/strong><\/p>\n

\u5728\u521d\u59cb\u5faa\u73af\u4e2d\uff0c\u8fd9\u4e09\u79cd\u5316\u5408\u7269\u7684\u7535\u538b\u66f2\u7ebf\u76f8\u4f3c\uff0c\u4f46\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u53d8\u5f97\u975e\u5e38\u4e0d\u540c\u3002\u5982\u56fe2A\u6240\u793a\uff0c\u7ecf\u8fc720\u6b21\u5faa\u73af\u540e\uff0cdQ\/dV\u66f2\u7ebf\u663e\u793aL5M85\u4e2d\u53ef\u4ee5\u89c2\u5bdf\u5230\u4e24\u4e2a\u7c7b\u4f3c\u5e73\u53f0\u7684\u7279\u5f81\uff0c\u800c\u8fd9\u4e24\u4e2a\u7279\u5f81\u5728L10M70\u4e2d\u8f83\u5f31\uff0c\u5728L15M55\u4e2d\u4e0d\u5b58\u5728\u3002XRD\u8868\u5f81\u4e86\u5faa\u73af\u540e\u7684\u6750\u6599\u7ed3\u6784\uff08\u56fe2B\uff09\uff0c\u9664\u4e86\u5ca9\u76d0\u5cf0\u4e4b\u5916\uff0cL5M85\u8fd8\u663e\u793a\u51fa\u8f83\u5bbd\u4e14\u5cf0\u5f3a\u8f83\u5927\u7684\u989d\u5916\u5cf0\uff08\u661f\u53f7\uff09\u3002\u8fd9\u4e9b\u5cf0\u8868\u660e\u4e86\u8f83\u4f4e\u5bf9\u79f0\u6027\u7ed3\u6784\u7684\u5f62\u6210\u3002\u968f\u7740\u9502\u542b\u91cf\u7684\u589e\u52a0\uff08\u9530\u542b\u91cf\u7684\u51cf\u5c11\uff09\uff0c\u989d\u5916\u7684\u884d\u5c04\u5cf0\u53d8\u5f97\u8f83\u5f31\u3002\u6839\u636e\u7535\u538b\u66f2\u7ebf\u548cXRD\u53ef\u4ee5\u770b\u51fa\uff0c\u4f4e\u9502\u542b\u91cf\u548c\u9ad8\u9530\u542b\u91cf\u6709\u52a9\u4e8e\u5c06\u7ed3\u6784\u4eceDRX\u8f6c\u53d8\u4e3a\u4e00\u4e2a\u5177\u6709\u8f83\u4f4e\u5bf9\u79f0\u6027\u7684\u65b0\u76f8\uff08\u6807\u8bb0\u4e3a\u03b4<\/em><\/strong>\u76f8<\/strong>\uff09\u3002<\/p>\n

\u8fd9\u4e9b\u5316\u5408\u7269\u7684\u5bb9\u91cf\u53d8\u5316\uff08\u56fe2C\uff09\u4e0e\u5b83\u4eec\u7684\u7ed3\u6784\u53d8\u5316\u5bc6\u5207\u76f8\u5173\u3002\u5bf9\u4e8eL5M85\uff0c\u524d20\u5faa\u73af\u5185\u7684\u653e\u7535\u5bb9\u91cf\u589e\u52a0\u4e8650\uff05\u4ee5\u4e0a\uff08\u4ece138 mAh g-1\u589e\u52a0\u5230211 mAh g-1\uff09\u3002\u5c3d\u7ba1\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u53d1\u751f\u4e86\u7ed3\u6784\u53d8\u5316\uff0cL5M85\u8868\u73b0\u51fa\u5353\u8d8a\u7684\u7535\u538b\u7a33\u5b9a\u6027\uff0c\u5f53\u57282\u81f34.8 V\u4e4b\u95f4\u5faa\u73af\u65f6\uff0c\u524d40\u6b21\u5faa\u73af\u7684\u5e73\u5747\u653e\u7535\u7535\u538b\u4ece3.128 V\u589e\u52a0\u52303.191 V\uff08\u56fe2D\uff09\u3002\u7ecf\u8fc7100\u6b21\u5faa\u73af\u540e\uff0cL5M85\u4ecd\u7136\u4fdd\u6301\u77403.165 V\u7684\u653e\u7535\u7535\u538b\uff0c\u6bd4\u5176\u521d\u59cb\u503c\u9ad8\u51fa37 mV\uff0c\u4ec5\u6bd4\u7b2c41\u6b21\u5faa\u73af\u65f6\u7684\u6700\u5927\u503c\u4f4e26 mV\u3002\u5373\u4f7f\u5728\u975e\u5e38\u5bbd\u7684\u7535\u538b\u7a97\u53e3\u5185\u5faa\u73af\uff081.5-5 V\uff09\uff0c\u5e73\u5747\u7535\u538b\u4ece\u5176\u6700\u5927\u503c2.889 V\u964d\u4f4e\u5230\u7b2c100\u6b21\u5faa\u73af\u65f6\u76842.806 V\uff0c\u4ec5\u964d\u4f4e\u4e8683 mV\u3002\u8fd9\u4e48\u5c0f\u7684\u7535\u538b\u53d8\u5316\u4e0d\u4e00\u5b9a\u4e0e\u6750\u6599\u6709\u5173\uff0c\u53ef\u80fd\u53cd\u6620\u4e86\u7531\u4e8e\u534a\u7535\u6c60\u4e2d\u7535\u89e3\u8d28\u5206\u89e3\u800c\u5f15\u8d77\u7684\u6781\u5316\u589e\u52a0\u3002<\/p>\n

L5M85<\/strong>\u7684\u7535\u5316\u5b66\u548c\u7ed3\u6784\u7279\u6027<\/strong><\/p>\n

\u5f53\u57281.5\u548c4.8V\u4e4b\u95f4\u5faa\u73af\u65f6\uff0cL5M85\u7684\u521d\u59cb\u5bb9\u91cf\u572820\u6b21\u5faa\u73af\u540e\u4ece172 mAh g\u22121\uff08\u6bd4\u80fd\u91cf\u4e3a499 Wh kg\u22121\uff09\u589e\u957f\u5230270 mAh g\u22121\uff08\u6bd4\u80fd\u91cf\u4e3a777 Wh kg\u22121\uff09\uff08\u56fe3A\uff09\u3002\u7535\u538b\u66f2\u7ebf\u57284V\u9644\u8fd1\u548c3V\u9644\u8fd1\u53d8\u5e73\uff0c\u4f5c\u8005\u5c06\u5176\u5f52\u56e0\u4e8eLi+<\/sup>\u5d4c\u5165\u5230\u7c7b\u5c16\u6676\u77f3\u7ed3\u6784\u4e2d\u76848a\u4f4d\u70b9\u548c16c\u4f4d\u70b9\u3002<\/p>\n

\"\"<\/p>\n

Figure 3. <\/strong>Electrochemical performance and structural characterization of Li1.05<\/sub>Mn0.85<\/sub>Ti0.1<\/sub>O2<\/sub>.<\/strong><\/p>\n

20\u6b21\u5faa\u73af\u540e\u7684XRD\u6570\u636eRietveld\u7cbe\u4fee\u7ed3\u679c\u663e\u793a16d\u548c16c\u7684TM\u5360\u4f4d\u5206\u522b\u4e3a0.90\u548c0.05\uff0c\u786e\u8ba4\u4e86\u03b4<\/em>\u76f8\u4e2d\u7684\u5c40\u90e8\u65e0\u5e8f\uff0c\u03b4<\/em>\u76f8\u7684\u76f8\u5e72\u957f\u5ea6\u8fd1\u4e3a5.7nm\uff0c\u8fdc\u5c0f\u4e8e86 nm\u7684\u62df\u5408\u6676\u7c92\u5c3a\u5bf8\u3002<\/p>\n

\u56fa\u6001\u6838\u78c1\u5171\u632f\uff08ssNMR\uff09\u7ed3\u679c\u663e\u793a\uff0c\u5faa\u73af20\u5708\u540eL5M85\u7684\u534a\u9ad8\u5bbd\uff08FWHM\uff09\u4e3a410 ppm\uff0c\u6bd4\u9996\u5708\u6837\u54c1\u83b7\u5f97\u7684FWHM\uff08460 ppm\uff09\u5c0f\u3002\u8fd9\u8868\u660e\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\uff0cLi\u73af\u5883\u5206\u5e03\u53d8\u7a84\uff0c\u652f\u6301\u4e86\u4ece\u9633\u79bb\u5b50\u65e0\u5e8f\u6676\u683c\u4e2d\u5f62\u6210\u90e8\u5206\u6709\u5e8f\u73af\u5883\u7684\u89c2\u70b9\u3002<\/p>\n

\u901a\u8fc7\u8868\u5f81\u539f\u5b50\u5206\u8fa8\u7387\u9ad8\u89d2\u73af\u5f62\u6697\u573a\u50cf\uff08\u56fe3E\uff09\uff0c\u6e05\u6670\u5730\u663e\u793a\u51fa\u7c7b\u4f3c\u5c16\u6676\u77f3\u7684\u73af\u5883\u7684\u5b58\u5728\uff08\u56fe3G\uff09\uff0c\u5176\u4e2d16d\u548c16c\u4f4d\u70b9\u90fd\u88ab\u91cd\u91d1\u5c5e\uff08Ti\u6216Mn\uff09\u90e8\u5206\u5360\u636e\uff0c\u4f46\u76f8\u5e72\u957f\u5ea6\u975e\u5e38\u77ed\uff08\u7ea65 nm\uff09\u3002\u8fd8\u53ef\u4ee5\u5728\u56fe3E\u4e2d\u89c2\u5bdf\u5230\u66f4\u65e0\u5e8f\u7684\u73af\u5883\uff08\u56fe3F\uff09\u3002<\/p>\n

\u7531\u4e8e\u5faa\u73af\u540eL5M85\u5f62\u6210\u7684\u65b0\u5c40\u90e8\u73af\u5883\u5177\u6709\u67d0\u4e9b\u7c7b\u4f3c\u5c16\u6676\u77f3\u7ed3\u6784\u7684\u7279\u5f81\uff0c\u4f46\u660e\u663e\u4e0d\u662f\u6709\u5e8f\u7684spinel\u76f8\uff08\u6ca1\u6709\u4e24\u76f8\u53cd\u5e94\u76843V\u5e73\u53f0\uff0c\u5b58\u572816c\/16d\u65e0\u5e8f\uff0c\u5c40\u90e8\u6709\u5e8f\u6027\u7684\u6ce2\u52a8\uff09\uff0c\u56e0\u6b64\u4f5c\u8005\u7b80\u79f0\u6b64\u65b0\u7ed3\u6784\u4e3a\u03b4<\/em>\u76f8\u3002<\/p>\n

\u56db\u3001\u3010\u8ba8\u8bba\u3011<\/strong><\/p>\n

\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3DRX\u5230\u03b4<\/em>\u76f8\u7ed3\u6784\u53d8\u5316\u7684\u52a8\u529b\u5b66\uff0c\u4f5c\u8005\u8ba1\u7b97\u4e86TM\u7684\u9003\u9038\u80fd\uff08\u56fe4A\uff09\u3002Mn4+<\/sup>\u548cTi4+<\/sup>\u8868\u73b0\u51fa\u975e\u5e38\u9ad8\u7684\u9003\u9038\u80fd\uff0c\u7ea6\u4e3a1000 meV\u6216\u66f4\u9ad8\uff0c\u8868\u660e\u5b83\u4eec\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u4f4d\u7f6e\u53ef\u80fd\u4fdd\u6301\u4e0d\u52a8\u3002\u7136\u800c\uff0cMn3+<\/sup>\u548cMn2+<\/sup>\u7684\u9003\u9038\u80fd\u8f83\u4f4e\uff0c\u5206\u522b\u4e3a\u7ea6700 meV\u548c400 meV\u3002\u56e0\u6b64\uff0c\u9530\u79bb\u5b50\u4e3b\u8981\u8d1f\u8d23TM\u7684\u91cd\u65b0\u6392\u5217\u4ee5\u5f62\u6210\u03b4<\/em>\u76f8\u3002<\/p>\n

\"\"<\/p>\n

Figure 4. Kinetic analyses of DRX-to-\u03b4<\/em> phase transformation. <\/strong><\/p>\n

\u867d\u7136\u9530\u7684\u9ad8\u8fc1\u79fb\u6027\u4fc3\u8fdb\u4e86\u8fd9\u79cd\u8f6c\u53d8\uff0c\u4f46\u662f\u56fa\u5b9a\u4e0d\u52a8\u7684\u9633\u79bb\u5b50\u51b3\u5b9a\u4e86\u03b4<\/em>\u76f8\u7684\u6700\u7ec8\u7ed3\u6784\uff0c\u5e76\u8d1f\u8d23\u5ef6\u7eed\u5176\u5faa\u73af\u65f6\u7684\u56fa\u6eb6\u4f53\u53cd\u5e94\u3002\u5728\u521d\u59cb\u7ed3\u6784\u4e2d\uff0c\u6240\u6709\u9633\u79bb\u5b50\u968f\u673a\u5360\u636e\u516b\u9762\u4f53\u4f4d\u70b9\uff0c\u8fd9\u7b49\u4e8e\u662f\u5728\u5c16\u6676\u77f3\u7ed3\u6784\u4e2d\u5bf9\u5e94\u4e8e\u572816c\u548c16d\u4f4d\u70b9\u4e0a\u5747\u5300\u5206\u5e03\u3002\u968f\u7740\u5faa\u73af\u7684\u6f14\u53d8\uff0c\u79fb\u52a8\u7684\u9633\u79bb\u5b50\uff08Mn\uff09\u53ef\u4ee5\u91cd\u65b0\u6392\u5217\u6210\u5c40\u90e8\u768416d\u6709\u5e8f\uff08\u7c7b\u5c16\u6676\u77f3\u578b\u6709\u5e8f\uff09\uff0c\u4f46\u662f16c\u4f4d\u70b9\u4e0a\u7684\u56fa\u5b9a\u4e0d\u52a8\u7684\u9633\u79bb\u5b50\uff08Ti\uff09\u65e0\u6cd5\u91cd\u65b0\u6392\u5217\uff0c\u6545\u4fdd\u7559\u4e86\u90e8\u5206\u65e0\u5e8f\uff0c\u4ece\u800c\u9632\u6b62\u4e86\u5b8c\u5168\u548c\u957f\u7a0b\u5c16\u6676\u77f3\u6709\u5e8f\u7684\u5f62\u6210\uff0c\u5bfc\u81f4\u7c7b\u5c16\u6676\u77f3\u73af\u5883\u7684\u76f8\u5e72\u957f\u5ea6\u975e\u5e38\u77ed\u3002\u56e0\u6b64\uff0c\u4f5c\u4e3a\u4e00\u79cd\u4e0d\u53ef\u79fb\u52a8\u7684\u9633\u79bb\u5b50\uff0cTi4+<\/sup>\u5728\u9ad8\u6027\u80fd\u03b4<\/em>\u76f8\u7684\u5f62\u6210\u4e2d\u53d1\u6325\u4e86\u5173\u952e\u4f5c\u7528\u3002<\/p>\n

\u65e0\u5e8f\u6027\u7684\u5b58\u5728\u4e5f\u53cd\u6620\u5728\u03b4<\/em>\u76f8\u7684\u7535\u538b\u66f2\u7ebf\u4e2d\u300216c\u4f4d\u70b9\uff08\u5728\u5c16\u6676\u77f3\u4e2d\u901a\u5e38\u4e3a\u7a7a\u4f4d\uff09\u4e0e8a\u4f4d\u70b9\u5171\u4eab\u6676\u9762\uff0c8a\u4f4d\u70b9\u5728\u5c16\u6676\u77f3\u4e2d\u901a\u5e38\u7531Li+<\/sup>\u5360\u636e\uff0c\u5e76\u5728\u7ea64 V\u5904\u8131\u5d4c\u3002\u5f5316c\u4f4d\u70b9\u7531\u4e8e\u90e8\u5206\u9633\u79bb\u5b50\u65e0\u5e8f\u800c\u88ab\u5360\u636e\u65f6\uff0c8a\u4f4d\u70b9\u7531\u4e8e\u80fd\u91cf\u592a\u9ad8\u65e0\u6cd5\u7531Li+<\/sup>\u5360\u636e\uff0c\u4ece\u800c\u7f29\u77ed\u4e864V\u5e73\u53f0\u3002\u4f5c\u8005\u8ba1\u7b97\u4e8616c\u5360\u6709\u7387\u548c4 V\u7406\u8bba\u5bb9\u91cf\u7684\u5173\u7cfb\uff08\u56fe4B\uff09\u3002\u589e\u52a016c\u4f4d\u70b9\u7684TM\u5360\u7528\u4f1a\u51cf\u5c11\u53ef\u7528\u4e8eLi\u5360\u636e\u76848a\u4f4d\u70b9\u7684\u6570\u91cf\uff0c\u4e0e\u56fe2A\u4e2d4V\u533a\u57df\u5bb9\u91cf\u51cf\u5c11\u7684\u8d8b\u52bf\u76f8\u4e00\u81f4\u3002\u4f5c\u4e3a\u6574\u4e2a\u5de5\u4f5c\u7535\u538b\u8303\u56f4\u5185\u552f\u4e00\u7684\u5b8c\u5168\u4e0d\u52a8\u7684TM\uff0cTi4+<\/sup>\u7684\u542b\u91cf\u51b3\u5b9a\u4e8616c\u4f4d\u70b9\u5360\u6709\u7387\u3002\u8f83\u5c11\u7684Ti\u53ef\u4ee5\u4f7f\u03b4<\/em>\u76f8\u57284V\u533a\u57df\u63d0\u4f9b\u66f4\u591a\u7684\u5bb9\u91cf\u3002<\/p>\n

\u4e3a\u4e86\u8fdb\u4e00\u6b65\u6d4b\u8bd5\u5173\u4e8e\u56fa\u5b9a\u4e0d\u52a8\u7684Ti4+<\/sup>\u5bf9\u7535\u538b\u66f2\u7ebf\u7684\u5f71\u54cd\u7684\u5047\u8bbe\uff0c\u4f5c\u8005\u5408\u6210\u4e86\u4e0eL5M85\u5177\u6709\u76f8\u540c\u7684\u949b\u542b\u91cf\u7684Li1.1<\/sub>Mn0.8<\/sub>Ti0.1<\/sub>O1.9<\/sub>F0.1<\/sub>\u3002\u5c3d\u7ba1\u8fd9\u4e24\u79cd\u6750\u6599\u5728\u7b2c\u4e00\u6b21\u5faa\u73af\u4e2d\u7684\u7535\u538b\u66f2\u7ebf\u4e0d\u540c\uff0c\u4f46\u5b83\u4eec\u5728\u7b2c20\u6b21\u5faa\u73af\u4e2d\u51e0\u4e4e\u76f8\u540c\uff08\u56fe4C\uff09\u3002\u540c\u6837\uff0c\u4f5c\u8005\u8fd8\u6bd4\u8f83\u4e86\u76f8\u540cTi\u542b\u91cf\u7684Li1.1<\/sub>Mn0.75<\/sub>Ti0.15<\/sub>O1.95<\/sub>F0.05<\/sub>\uff08Li10M75F5\uff09\u548cLi1.15<\/sub>Mn0.7<\/sub>Ti0.15<\/sub>O1.85<\/sub>F0.15<\/sub>\uff08L15M70F15\uff09\uff0c\u8fd9\u4e24\u79cd\u7ec4\u6210\u5728\u7b2c20\u6b21\u5faa\u73af\u65f6\u7684\u7535\u538b\u66f2\u7ebf\u76f8\u4f3c\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u542b\u6709\u76f8\u540cMn\u542b\u91cf\u7684L10M70\u548cL15M70F15\uff0c\u5728\u7b2c 20\u6b21\u5faa\u73af\u65f6\u7684\u7535\u538b\u66f2\u7ebf\u4ecd\u7136\u4e0d\u540c\u3002\u8fd9\u4e9b\u5bf9\u7167\u5b9e\u9a8c\u786e\u8ba4\u4e86\u949b\u542b\u91cf\uff0c\u51b3\u5b9a\u4e86\u03b4<\/em>\u76f8\u7684\u7ed3\u6784\u548c\u8f6c\u53d8\u540e\u7535\u538b\u66f2\u7ebf\u7684\u5f62\u72b6\u3002\u4f5c\u8005\u8ba4\u4e3a\u8fd9\u4e2a\u7ed3\u8bba\u5bf9\u4e8eDRX\u5316\u5408\u7269\u4e2d\u7684\u5176\u4ed6\u56fa\u5b9a\u4e0d\u52a8\u9633\u79bb\u5b50\uff0c\u4f8b\u5982Nb5+\uff0c\u751a\u81f3\u5bf9\u4e8e\u5c42\u72b6NMCs\u4e5f\u662f\u6709\u6548\u7684\u3002LMR-NMCs\u4e5f\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u53d1\u751f\u8f6c\u53d8\u4e3a\u7c7b\u5c16\u6676\u77f3\u7ed3\u6784\uff0c\u800cCo\u3001Ni\u548cMn4+<\/sup>\u7684\u4e0d\u53ef\u79fb\u52a8\u6027\u963b\u788d\u4e868a\u4f4d\u70b9\u7684\u5f62\u6210\uff0c\u56e0\u6b64\u4ec5\u5448\u73b03V\u6d3b\u6027\u800c\u4e0d\u5177\u59074V\u5bb9\u91cf\u3002\u9002\u5f53\u8c03\u6574\u4e0d\u52a8TMs\u7684\u6bd4\u4f8b\u53ef\u80fd\u662f\u6291\u5236LMR-NMCs\u7535\u538b\u8870\u51cf\u7684\u672a\u6765\u65b9\u5411\u3002\u56e0\u6b64\uff0c\u5c3d\u7ba1\u5728\u5927\u591a\u6570\u5bcc\u9502\u9530\u4e2d\u4e0d\u53ef\u907f\u514d\u5730\u53d1\u751f\u5411\u7c7b\u5c16\u6676\u77f3\u7ed3\u6784\u7684\u8f6c\u53d8\uff0c\u4f46\u901a\u8fc7\u5f62\u62104V\u533a\u57df\u53ef\u4ee5\u907f\u514d\u7535\u538b\u964d\u4f4e\u3002<\/p>\n

\u56fa\u5b9a\u4e0d\u52a8\u7684Ti4+<\/sup>\u7684\u5b58\u5728\u5bf9\u4e8e\u6291\u5236\u6709\u5bb3\u7684\u4e24\u76f8\u53cd\u5e94\u548cMn3+<\/sup>\u8bf1\u5bfc\u7684\u96c6\u4f53\u59dc-\u6cf0\u52d2\u7578\u53d8\u5728\u5faa\u73af\u4e2d\u662f\u81f3\u5173\u91cd\u8981\u7684\uff0c\u56e0\u4e3a\u5b83\u5e72\u6270\u4e86\u957f\u7a0b\u6709\u5e8f\u548c\u4f34\u968f\u7684\u96c6\u4f53Li\u8fc1\u79fb\u884c\u4e3a\u3002\u56e0\u6b64\uff0cL5M85\u7684\u03b4<\/em>\u76f8\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u8868\u73b0\u51fa\u7eaf\u56fa\u6eb6\u4f53\u884c\u4e3a\u3002\u800c\u8fc7\u591a\u7684Ti\u53c8\u4f1a\u5bfc\u81f44V\u533a\u57df\u5931\u53bb\u6d3b\u6027\uff0c\u8fdb\u800c\u5bfc\u81f4\u7535\u538b\u4e0b\u964d\u3002\u901a\u8fc7\u8c03\u63a7Ti\u542b\u91cf\uff0c\u53ef\u4ee5\u8c03\u8282\u5411\u5c16\u6676\u77f3\u8f6c\u53d8\u7684\u63a8\u52a8\u529b\u5e76\u63a7\u5236\u5c16\u6676\u77f3\u7ed3\u6784\u7684\u6709\u5e8f\u6027\u548c\u76f8\u5e72\u957f\u5ea6\uff0c\u8fdb\u800c\u4f7f\u5bcc\u9530DRX\u8f6c\u53d8\u4e3a\u90e8\u5206\u65e0\u5e8f\u7684\u5c16\u6676\u77f3\u3002\u8fd9\u79cd\u72ec\u7279\u7684\u03b4<\/em>\u76f8\u5177\u6709288.6 mAh g\u22121<\/sup>\u7684\u9ad8\u5bb9\u91cf\uff0c\u5e76\u5177\u6709\u826f\u597d\u7684\u500d\u7387\u6027\u80fd\uff0c\u4e14\u65e0\u7535\u538b\u964d\u3002\u8fd9\u79cd\u6027\u80fd\uff0c\u518d\u52a0\u4e0a\u9530\u548c\u949b\u7684\u524d\u9a71\u4f53\u7684\u4f4e\u6210\u672c\uff0c\u4f7f\u5176\u6210\u4e3a\u751f\u4ea7\u4e30\u5bcc\u800c\u5ec9\u4ef7\u7684\u9502\u79bb\u5b50\u80fd\u91cf\u5b58\u50a8\u6750\u6599\u7684\u6781\u4f73\u9009\u62e9\u3002<\/p>\n

\u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n

\u8bbe\u8ba1\u9ad8\u5bb9\u91cf\u7684\u57fa\u4e8e\u9530\u7684\u6b63\u6781\u6750\u6599\u5bf9\u5e94\u5bf9\u9502\u79bb\u5b50\u7535\u6c60\u76f8\u5173\u7684\u8d44\u6e90\u6311\u6218\u81f3\u5173\u91cd\u8981\u3002\u4f5c\u8005\u5df2\u7ecf\u8bc1\u660e\uff0c\u5bcc\u9530DRX\u6b63\u6781\u6750\u6599\u5728\u539f\u4f4d\u8f6c\u53d8\u4e3a\u5177\u6709\u90e8\u5206\u7c7b\u4f3cspinel\u9633\u79bb\u5b50\u6709\u5e8f\u548c\u77ed\u76f8\u5e72\u957f\u5ea6\u7684\u03b4\u76f8\u65f6\uff0c\u5b9e\u73b0\u4e86\u9ad8\u53ef\u9006\u5bb9\u91cf\u548c\u80fd\u91cf\uff0c\u800c\u4e14\u6ca1\u6709\u7535\u538b\u4e0b\u964d\u3002\u4e0d\u53ef\u79fb\u52a8\u7684\u8fc7\u6e21\u91d1\u5c5e\uff08\u5982Ti4+<\/sup>\uff09\u5728\u8c03\u8282\u8f6c\u53d8\u7684\u63a8\u52a8\u529b\u548c\u63a7\u5236\u03b4<\/em>\u76f8\u7684\u7ed3\u6784\u65b9\u9762\u53d1\u6325\u4e86\u91cd\u8981\u4f5c\u7528\u3002\u8fd9\u79cd\u8f6c\u5316\u540e\u7684\u6750\u6599\u4e3a\u9502\u79bb\u5b50\u7535\u6c60\u5de5\u4e1a\u63d0\u4f9b\u4e86\u4e00\u79cd\u5438\u5f15\u4eba\u7684\u901a\u5411\u4e30\u5bcc\u5730\u7403\u6750\u6599\u7684\u9014\u5f84\u3002\u672a\u6765\u7684\u6539\u8fdb\u53ef\u80fd\u901a\u8fc7\u51cf\u5c11\u4e0d\u53ef\u79fb\u52a8\u7684\u9633\u79bb\u5b50\u542b\u91cf\u4ee5\u589e\u52a04V\u5e73\u53f0\u7684\u957f\u5ea6\uff0c\u5e76\u901a\u8fc7\u7528\u591a\u7535\u5b50\u6c27\u5316\u4e2d\u5fc3\uff08\u4f8b\u5982Cr\uff09\u66ff\u4ee3\u9530\u4ee5\u589e\u52a0\u7406\u8bba\u7684\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u8fd8\u539f\u5bb9\u91cf\u6765\u5b9e\u73b0\u3002<\/p>\n

\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/doi.org\/10.1038\/s41560-023-01375-9<\/a><\/p>\n

\u7b2c\u4e00\u4f5c\u8005\uff1a\u8521\u5b50\u5065\u535a\u58eb\uff08zjcai@berkeley.edu\uff09\uff0c\u52b3\u4f26\u65af\u4f2f\u514b\u5229\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u535a\u58eb\u540e\u7814\u7a76\u5458\uff0c\u535a\u58eb\u6bd5\u4e1a\u4e8e\u52a0\u5dde\u5927\u5b66\u4f2f\u514b\u5229\u5206\u6821<\/p>\n

\u6b27\u9633\u5f6c\u6559\u6388(bouyang@fsu.edu)\uff0c\u5c31\u804c\u4e0e\u4f5b\u7f57\u91cc\u8fbe\u5dde\u7acb\u5927\u5b66\u3002\u4e3b\u8981\u7814\u7a76\u65b9\u5411\u4e3a\u8ba1\u7b97\u6750\u6599\u5b66\u65b9\u6cd5\u5728\u9884\u6d4b\u5408\u6210\u3001\u80fd\u6e90\u5b58\u50a8\u4e0e\u8f6c\u5316\u6750\u6599\u3001\u4f4e\u7ef4\u6750\u6599\u53ca\u9ad8\u71b5\u5408\u91d1\u4e0e\u9676\u74f7\u6750\u6599\u7b49\u65b9\u9762\u7684\u5e94\u7528\uff0c\u8bfe\u9898\u7ec4\u62db\u6536\u5168\u5956\u535a\u58eb\u3001\u535a\u58eb\u540e\u7814\u7a76\u5458\uff0c\u4e3b\u9875https:\/\/bin-ouyang.com\/<\/a><\/p>\n

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