循环型(LM-80)
测试项目 Item |
控制标准 specificati*** |
测试结果 Testing result |
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化学性能 Chemical properties (w/w) % |
Li |
3.7-4.2 |
3.85 |
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Mn |
58.5-59.5 |
59.0 |
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杂质含量 |
Fe含量(PPM) |
<50 |
35 |
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Cu含量(PPM) |
<50 |
18 |
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H2O |
≤0.03 |
0.018 |
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物理性能 Physical properties |
粒径分析 (um) |
D10 |
>5 |
5.2 |
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D50 |
13-15 |
13.6 |
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D90 |
<25 |
24.0 |
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比表面积BET(m2/g) |
≤0.8 |
0.62 |
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振实密度Tap density(g/cm3) |
≥2.15 |
2.22 |
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粉体PH值 |
8.9 |
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电化学性能 Electrochemical performance |
1C (Li/Li+) 克容量 Specific Capacity at 1C Li/Li+(mAh/g) |
≥105 |
108 |
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1C (18650电池) 克容量 Specific Capacity at 1C (18650battery)(mAh/g) |
≥95 |
98 |
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循环性能 Cycle performance |
容量保持率capacity retention(%) |
50次 |
≥95 |
98.2 |
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800次 |
≥80 |
81.5 |