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    • 2. 发明授权
    • Lithium ion secondary battery
    • 锂离子二次电池
    • US08486549B2
    • 2013-07-16
    • US12600391
    • 2008-07-18
    • Kazuyoshi HondaToshitada SatoDaisuke SuetsuguKatsumi KashiwagiKunihiko Bessho
    • Kazuyoshi HondaToshitada SatoDaisuke SuetsuguKatsumi KashiwagiKunihiko Bessho
    • H01M6/10H01M4/58
    • H01M10/0525H01M4/0421H01M4/131H01M4/134H01M4/1391H01M4/1395H01M4/386H01M4/387H01M4/485H01M10/446
    • A lithium ion secondary battery including: a positive electrode current collector; a positive electrode active material layer that is provided in contact with the positive electrode current collector; a separator layer that is provided on a side of the positive electrode active material layer on which the positive electrode current collector is not provided; a negative electrode active material layer that is provided on a side of the separator layer on which the positive electrode active material layer is not provided, that primarily contains silicon or tin, and that includes a opposing portion opposing the positive electrode active material layer and a non-opposing portion not opposing the positive electrode active material layer, the opposing portion and the non-opposing portion containing lithium produced by a thin film-forming method; and a negative electrode current collector that is provided on a side of the negative electrode active material layer on which the separator layer is not provided. Thereby, deformation of the negative electrode and deterioration in cycle characteristics accompanied by such deformation can be prevented.
    • 1.一种锂离子二次电池,包括:正极集电体; 设置为与正极集电体接触的正极活性物质层; 设置在不设置正极集电体的正极活性物质层的一侧的隔离层; 设置在不设置正极活性物质层的隔板层的一侧的负极活性物质层,其主要含有硅或锡,并且包括与正极活性物质层相对的相对部分和 不与正极活性物质层相对的非相对部分,相对部分和非相对部分含有通过薄膜形成方法生产的锂; 以及负极集电体,其设置在不设置隔板层的负极活性物质层的一侧。 由此,可以防止负极的变形和伴随这种变形的循环特性的劣化。
    • 6. 发明授权
    • Stationary position detection circuit and motor drive circuit
    • 固定位置检测电路和电机驱动电路
    • US07176677B2
    • 2007-02-13
    • US11476052
    • 2006-06-28
    • Satoshi NarumiMasaharu HoashiToshiya SuzukiDaisuke SuetsuguHikaru Nakamura
    • Satoshi NarumiMasaharu HoashiToshiya SuzukiDaisuke SuetsuguHikaru Nakamura
    • G01B7/30G05D3/00
    • G01D5/208
    • A stationary position detection circuit and a motor drive circuit capable of more properly detecting the rotor position are disclosed. The stationary position detection circuit supplies an alternating current to each phase load of the motor. The time during which the current flows in a first direction and the time during which the current flows in a second direction opposite to the first direction are converted into electrical signals and amplified. In accordance with the value of the electrical signals, the position of the motor rotor in stationary mode is determined. The use of the alternating current, unlike the kickback voltage, makes it possible to improve the detection accuracy by amplifying the electrical signals with an increased number of alternations. An increased number of alternations can amplify the electrical signals without increasing the value of the alternating current, and therefore, unlike in the case of the kickback voltage, the alternating current of a large value is not required. As a result, the alternating current can be reduced to a small value and the vibration can be suppressed.
    • 公开了能够更适当地检测转子位置的静止位置检测电路和电动机驱动电路。 静止位置检测电路向电机的各相负载提供交流电。 电流沿第一方向流动的时间和电流沿与第一方向相反的第二方向流动的时间被转换成电信号并被放大。 根据电信号的值,确定电机转子在静止模式下的位置。 与反冲电压不同,使用交流电可以通过以增加的交替次数放大电信号来提高检测精度。 增加的交替数量可以放大电信号而不增加交流电流的值,因此与反冲电压不同,不需要大值的交流电。 结果,可以将交流电流减小到较小的值,并且可以抑制振动。
    • 10. 发明申请
    • LITHIUM ION SECONDARY BATTERY
    • 锂离子二次电池
    • US20100167112A1
    • 2010-07-01
    • US12600391
    • 2008-07-18
    • Kazuyoshi HondaToshitada SatoDaisuke SuetsuguKatsumi KashiwagiKunihiko Bessho
    • Kazuyoshi HondaToshitada SatoDaisuke SuetsuguKatsumi KashiwagiKunihiko Bessho
    • H01M6/10H01M4/58
    • H01M10/0525H01M4/0421H01M4/131H01M4/134H01M4/1391H01M4/1395H01M4/386H01M4/387H01M4/485H01M10/446
    • A lithium ion secondary battery including: a positive electrode current collector; a positive electrode active material layer that is provided in contact with the positive electrode current collector; a separator layer that is provided on a side of the positive electrode active material layer on which the positive electrode current collector is not provided; a negative electrode active material layer that is provided on a side of the separator layer on which the positive electrode active material layer is not provided, that primarily contains silicon or tin, and that includes a opposing portion opposing the positive electrode active material layer and a non-opposing portion not opposing the positive electrode active material layer, the opposing portion and the non-opposing portion containing lithium produced by a thin film-forming method; and a negative electrode current collector that is provided on a side of the negative electrode active material layer on which the separator layer is not provided. Thereby, deformation of the negative electrode and deterioration in cycle characteristics accompanied by such deformation can be prevented.
    • 1.一种锂离子二次电池,包括:正极集电体; 设置为与正极集电体接触的正极活性物质层; 设置在不设置正极集电体的正极活性物质层的一侧的隔离层; 设置在不设置正极活性物质层的隔板层的一侧的负极活性物质层,其主要含有硅或锡,并且包括与正极活性物质层相对的相对部分和 不与正极活性物质层相对的非相对部分,相对部分和非相对部分含有通过薄膜形成方法生产的锂; 以及负极集电体,其设置在不设置隔板层的负极活性物质层的一侧。 由此,可以防止负极的变形和伴随这种变形的循环特性的劣化。