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图3-14 八个单体电压和平均电压随时间变化曲线
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图3-17 2-4单体不同循环次数的充放电电压及串联单体平均电压
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图3-23 开路电压与电池荷电状态关系随电池衰减的变化情况
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图3-24 开路电压与电池容量关系随电池衰减的变化情况
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图3-26 #1电池开路电压曲线变化情况
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图3-29 商用LFP半电池循环曲线
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图3-30 六块全电池的充放电循环曲线
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图3-38 50% SOC电池电荷转移电阻随搁置时间的变化
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图3-40 30A·h LiFePO4电池放电方向不同SOC的阻抗Nyquist图及拟合结果
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图3-41 30A·h LiFePO4电池充电方向不同SOC的阻抗Nyquist图及拟合结果
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图3-42 10A·h LiFePO4电池放电方向不同SOC的阻抗Nyquist图及拟合结果
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图3-43 10A·h LiFePO4电池充电方向不同SOC的阻抗Nyquist图及拟合结果
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图3-45 10A·h Li4Ti5O12电池放电方向不同SOC的阻抗Nyquist图及拟合结果
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图3-46 10A·h Li4Ti5O12电池充电方向不同SOC的阻抗Nyquist图及拟合结果
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图3-47 25A·h Li4Ti5O12电池放电方向不同SOC的阻抗Nyquist图及拟合结果
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图3-48 25A·h Li4Ti5O12电池充电方向不同SOC的阻抗Nyquist图及拟合结果
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图3-50 -20℃ LNMO半电池首次充放电动态阻抗
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图3-51 -10℃ LNMO半电池首次充放电动态阻抗
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图3-52 55℃ LNMO半电池首次充放电动态阻抗
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图3-70 单体电池在不同倍率不充电时的温升情况
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图3-71 单体电池在不同倍率下放电时的温升情况
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图3-73 电池EIS分析
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图3-74 不同DOD、SOC下电池EIS的变化
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图4-27 NCA锂离子电池在25℃和60℃下不同次数的交流阻抗谱图
a)25℃ b)60℃
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图4-96 #2~#4退役单体电池的容量衰减率曲线
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图4-183 七组电池整体试验幅值对比
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图4-184 七组电池整体试验相角对比
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图4-185 七组电池充电过程幅值对比
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图4-186 七组电池放电过程幅值对比