含硅负极在硫化物全固态电池中的应用
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闫汶琳, 吴凡, 李泓, 陈立泉
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Application of Si-based anodes in sulfide solid-state batteries
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Wenlin YAN, Fan WU, Hong LI, Liquan CHEN
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表1 近年来文献中报道的含Si负极硫化物干粉压制粉饼全固态电池
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Table1 Summary of sulfide pellet all-solid-state-batteries with Si-based anode made by dry powder pressing
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| 测试条件 | 电极相关信息 | 电池性能 | 参考文献 |
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电池体系 | 测试温度/℃ | 外加压力/MPa | 测试电压范围/V | 电流密度 | Si的颗粒尺寸 | Si负载/mg | 电极组成 | 首效 | 首周容量(Si)/mA·h·g-1 | 循环性能(可逆容量mA·h·g-1@循环周数@容量保持率) |
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Si|77.5Li2S-22.5P2S5|Li | RT | — | 0.005~1.5 | 210 mA/g(0.05 C) | 50~100 nm | 0.29 | Si∶AB∶SSE比例为1∶1∶5; 2 mg | 43.7% | 3127/1367 | 950@40@66.9% | [13] | Si|77.5Li2S-22.5P2S5|Li | RT | — | 0.005~1.5 | 120 mA/g(~0.03 C) | n-Si: 50~100 nm | 0.29 | Si∶AB∶SSE比例为1∶1∶5; 2 mg | — | ~1750 | ~550@120@31.4% | [14] | Si∶MWCNTs∶SSE比例为1∶1∶5; 2 mg | — | ~3000; 2013(2nd) | 1288@50@64% | 0.005~1.0 | — | 1744 | 1308 @50@75% | 0.05~1.0 | — | 1278 | 1163@50@91% | 0.005~1.5 | b-Si: 1~5 μm | — | 3091 | 278@10@9% | Si|77.5Li2S-22.5P2S5|Li | — | — | 0.01~1.5 | 70 μA | -100mesh(<75 μm) | 0.71 | Si∶AB∶SSE比例为1∶1∶5; 5 mg | 75% | 4153/3553 | — | [16] | Si|77.5Li2S-22.5P2S5|SSE+SLMP | — | 3 | 0.01~1.0 | 50 μA | 50 nm | 0.29 | Si∶Cu 粉∶SSE比例为1∶1∶5; 2 mg | 55% | ~3500 | 失效@8 | [18] | 150 | 40% | ~3000 | ~1000@21@87.3% | 230 | 40% | ~1700 | ~700@21@99.0% |
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