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电子工程专辑
1 年
离子电池的dV/dQ-V曲线与dQ/dV-V曲线分析
物理意义为:在单位电压范围内材料所含有的容量。 (2)dQ/dV 为差分容量 物理意义为:在单位容量范围内材料的电压波动 ...
电子工程专辑
1 年
电池电压微分容量(dQ/dV)曲线测试原理与实例分析
金属离子电池在长期循环中会发生容量衰减。容量衰减包括可逆容量损失和非可逆容量损失,其中可逆容量损失可以通过小倍率(即小电流密度充放电)恢复,而非可逆容量损失包括正极活性物质损失、负极活性物质损失和活性离子损失,非可逆容量损失可以 ...
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