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    • 1. 发明授权
    • Charging control system
    • 充电控制系统
    • US08797000B2
    • 2014-08-05
    • US13160930
    • 2011-06-15
    • Osamu KubotaAkihide TanakaXiaoliang Feng
    • Osamu KubotaAkihide TanakaXiaoliang Feng
    • H02J7/04H02J7/00
    • H01M10/44H01M10/0525H01M10/42H01M10/48H02J7/027H02J2007/0037
    • In a charging control system for recording data regarding charging a secondary battery, a status recording unit refers the charging voltage value and the charging current value and records the referred charging voltage, the referred charging current and reference time when the charging current value is referred and time when the charging voltage value is referred, on the recording unit. A battery protecting unit stops the charging the secondary battery when the charging voltage exceeds the predetermined target voltage value. The status recording unit starts recording of the charging voltage value, the charging current value, and the reference time on the recording unit, when the charging voltage exceeds the target voltage value as a result of a fail in stopping the charging by the battery protecting unit because of occurrence of a trouble in the battery protecting unit.
    • 在用于记录关于对二次电池充电的数据的充电控制系统中,状态记录单元参考充电电压值和充电电流值,并记录所引用的充电电压,参考充电电流和参考时间,当充电电流值被参考时, 在记录单元上引用充电电压值的时间。 当充电电压超过预定目标电压值时,电池保护单元停止对二次电池的充电。 当充电电压超过目标电压值时,状态记录单元开始记录充电电压值,充电电流值和基准时间,这是由于电池保护单元停止充电而失败的结果 因为在电池保护单元中出现故障。
    • 2. 发明申请
    • CHARGING CONTROL SYSTEM
    • 充电控制系统
    • US20110309801A1
    • 2011-12-22
    • US13160930
    • 2011-06-15
    • Osamu KUBOTAAkihide TanakaXiaoliang Feng
    • Osamu KUBOTAAkihide TanakaXiaoliang Feng
    • H02J7/04
    • H01M10/44H01M10/0525H01M10/42H01M10/48H02J7/027H02J2007/0037
    • In a charging control system for recording data regarding charging a secondary battery, a status recording unit refers the charging voltage value and the charging current value and records the referred charging voltage, the referred charging current and reference time when the charging current value is referred and time when the charging voltage value is referred, on the recording unit. A battery protecting unit stops the charging the secondary battery when the charging voltage exceeds the predetermined target voltage value. The status recording unit starts recording of the charging voltage value, the charging current value, and the reference time on the recording unit, when the charging voltage exceeds the target voltage value as a result of a fail in stopping the charging by the battery protecting unit because of occurrence of a trouble in the battery protecting unit.
    • 在用于记录关于对二次电池充电的数据的充电控制系统中,状态记录单元参考充电电压值和充电电流值,并记录所引用的充电电压,参考充电电流和参考时间,当充电电流值被参考时, 在记录单元上引用充电电压值的时间。 当充电电压超过预定目标电压值时,电池保护单元停止对二次电池的充电。 当充电电压超过目标电压值时,状态记录单元开始记录充电电压值,充电电流值和基准时间,这是由于电池保护单元停止充电而失败的结果 因为在电池保护单元中出现故障。
    • 3. 发明申请
    • LITHIUM ION BATTERY
    • 锂离子电池
    • US20110206988A1
    • 2011-08-25
    • US13028243
    • 2011-02-16
    • Akihide TANAKAEtsuko NISHIMURA
    • Akihide TANAKAEtsuko NISHIMURA
    • H01M4/48H01M4/525H01M4/50H01M4/583
    • H01M4/505H01M4/131H01M4/36H01M4/525H01M4/5825H01M4/587H01M4/625H01M4/64H01M10/0525Y02E60/122Y02T10/7011
    • An object of the present invention is to provide a lithium ion battery which is excellent in properties at large current and can be applied to applications requiring high output power even when the mixture layers are made thick. The present invention provides a lithium ion battery including a positive electrode including a positive electrode mixture layer formed on a current collector, a negative electrode including a negative electrode mixture layer formed on a current collector and an electrolyte, the positive electrode and the negative electrode being disposed through the intermediary of a separator, wherein the positive electrode includes as a positive electrode active material a lithium composite oxide represented by LiNiaMnbCOcMdO2 (in the formula, M is at least one selected from the group consisting of Fe, V, Ti, Cu, Al, Sn, Zn, Mg, B and W, a+b+c+d=1, 0.2≦a≦0.8, 0.1≦b≦0.4, 0≦c≦0.4 and 0≦d≦0.1), the negative electrode includes graphite as a negative electrode active material, the interlayer distance (d002) of the graphite is 0.335 nm or more and 0.338 nm or less, the one-side thickness A (μm) of the positive electrode mixture layer is 60 or more and 85 or less, the product A×B between the one-side thickness A and the density B (g/cm3) of the positive electrode mixture layer is 160 or more and 220 or less, the one-side thickness C (μm) of the negative electrode mixture layer is 40 or more and 75 or less, and the product C×D between the one-side thickness C and the density D (g/cm3) of the negative electrode mixture layer is 65 or more and 105 or less.
    • 本发明的目的是提供一种在大电流下性能优异的锂离子电池,并且即使当混合层变厚时也可以应用于需要高输出功率的应用。 本发明提供一种锂离子电池,其包括正极,其包含在集电体上形成的正极合剂层,负极包含形成在集电体上的负极混合层和电解质,所述正极和负极为 通过分离器的中间放置,其中所述正极包括作为正极活性物质的由LiNiMnbCOcMdO 2表示的锂复合氧化物(在该式中,M为选自Fe,V,Ti,Cu中的至少一种, Al,Sn,Zn,Mg,B和W,a + b + c + d = 1,2,0& nlE; a≦̸ 0.8,0.1和nlE; b≦̸ 0.4,0和nlE; c≦̸ 0.4和0& nlE; d≦̸ 0.1) 负极包括石墨作为负极活性物质,石墨的层间距离(d002)为0.335nm以上且0.338nm以下,正极复合层的单面厚度A(μm)为60以上 和85以下,产品 正极复合层的单面厚度A和密度B(g / cm 3)之间的角度A×B为160以上且220以下,负极混合层的单面厚度C(μm) 为40以上且75以下,单面厚度C与负极混合层的密度D(g / cm 3)之间的乘积C×D为65以上且105以下。
    • 7. 发明授权
    • Lithium ion battery
    • 锂离子电池
    • US08986885B2
    • 2015-03-24
    • US13028243
    • 2011-02-16
    • Akihide TanakaEtsuko Nishimura
    • Akihide TanakaEtsuko Nishimura
    • H01M4/13H01M4/505H01M4/525H01M4/58H01M4/587H01M4/62H01M10/0525H01M4/64H01M4/36H01M4/131
    • H01M4/505H01M4/131H01M4/36H01M4/525H01M4/5825H01M4/587H01M4/625H01M4/64H01M10/0525Y02E60/122Y02T10/7011
    • An object of the present invention is to provide a lithium ion battery which is excellent in properties at large current and can be applied to applications requiring high output power even when the mixture layers are made thick. The present invention provides a lithium ion battery including a positive electrode including a positive electrode mixture layer formed on a current collector, a negative electrode including a negative electrode mixture layer formed on a current collector and an electrolyte, the positive electrode and the negative electrode being disposed through the intermediary of a separator, wherein the positive electrode includes as a positive electrode active material a lithium composite oxide represented by LiNiaMnbCOcMdO2 (in the formula, M is at least one selected from the group consisting of Fe, V, Ti, Cu, Al, Sn, Zn, Mg, B and W, a+b+c+d=1, 0.2≦a≦0.8, 0.1≦b≦0.4, 0≦c≦0.4 and 0≦d≦0.1), the negative electrode includes graphite as a negative electrode active material, the interlayer distance (d002) of the graphite is 0.335 nm or more and 0.338 nm or less, the one-side thickness A (μm) of the positive electrode mixture layer is 60 or more and 85 or less, the product A×B between the one-side thickness A and the density B (g/cm3) of the positive electrode mixture layer is 160 or more and 220 or less, the one-side thickness C (μm) of the negative electrode mixture layer is 40 or more and 75 or less, and the product C×D between the one-side thickness C and the density D (g/cm3) of the negative electrode mixture layer is 65 or more and 105 or less.
    • 本发明的目的是提供一种在大电流下性能优异的锂离子电池,并且即使当混合层变厚时也可以应用于需要高输出功率的应用。 本发明提供一种锂离子电池,其包括正极,其包含在集电体上形成的正极合剂层,负极包含形成在集电体上的负极混合层和电解质,所述正极和负极为 通过分离器的中间放置,其中所述正极包括作为正极活性物质的由LiNiMnbCOcMdO 2表示的锂复合氧化物(在该式中,M为选自Fe,V,Ti,Cu中的至少一种, Al,Sn,Zn,Mg,B和W,a + b + c + d = 1,2,0& nlE; a≦̸ 0.8,0.1和nlE; b≦̸ 0.4,0和nlE; c≦̸ 0.4和0& nlE; d≦̸ 0.1) 负极包括石墨作为负极活性物质,石墨的层间距离(d002)为0.335nm以上且0.338nm以下,正极复合层的单面厚度A(μm)为60以上 和85以下,产品 正极复合层的单面厚度A和密度B(g / cm 3)之间的角度A×B为160以上且220以下,负极复合层的单面厚度C(μm) 为40以上且75以下,单面厚度C与负极复合层的密度D(g / cm 3)之间的乘积C×D为65以上且105以下。