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    • 7. 发明申请
    • POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION ELECTRIC STORAGE DEVICE, AND LITHIUM ION ELECTRIC STORAGE DEVICE USING THE SAME
    • 用于锂离子电储存装置的正电极活性材料和使用其的锂离子电储存装置
    • US20100142121A1
    • 2010-06-10
    • US12623106
    • 2009-11-20
    • Tsutomu FujiiOsamu Hatozaki
    • Tsutomu FujiiOsamu Hatozaki
    • H01G9/058H01B1/04
    • H01M4/587H01M10/052H01M10/0569
    • [Problem] The present invention aims to enhance a characteristic of a lithium ion electric storage device upon charging or discharging with high load, and increasing a working temperature range thereof.[Means for Solving Problem] In a positive electrode active material used for a lithium ion electric storage device, the BET specific surface area is 1500 m2/g or more and 3000 m2/g or less, the ratio A of the pore volume within the range of the pore diameter of 0.6 nm or more and less than 1 nm to the pore volume within the range of the pore diameter of 0.6 nm or more and 200 nm or less in the active material satisfies 0≦A≦0.80, and the ratio B of the active material of the pore volume within the range of the pore diameter of 1 nm or more and 6 nm or less to the pore volume within the range of the pore diameter of 0.6 nm or more and 200 nm or less in the active material satisfies 0.20≦B≦1.0. By virtue of this structure, the lithium ion electric storage device can be provided that is excellent in the charging/discharging characteristic when it is given a high load, and that can satisfactorily operate even under an environment of −30° C.
    • 本发明旨在提高锂离子蓄电装置在高负荷充放电时的特性,提高其工作温度范围。 解决问题的手段在锂离子蓄电装置的正极活性物质中,BET比表面积为1500m 2 / g以上3000m 2 / g以下, 在活性物质的孔径为0.6nm以上且200nm以下的范围内的孔径为0.6nm以上且小于1nm的孔径的范围满足0< nlE; A≦̸ 0.80, B的孔体积的活性物质在孔径为1nm以上且6nm以下的范围内的孔体积在活性物质的孔径为0.6nm以上且200nm以下的范围内 材料满足0.20≦̸ B≦̸ 1.0。 通过这样的结构,能够提供充电/放电特性优异的锂离子蓄电装置,即使在-30℃的环境下也能令人满意地进行充电。
    • 9. 发明授权
    • Positive electrode active material for lithium ion electric storage device, and lithium ion electric storage device using the same
    • 锂离子蓄电装置用正极活性物质及使用其的锂离子蓄电装置
    • US08310811B2
    • 2012-11-13
    • US12623106
    • 2009-11-20
    • Tsutomu FujiiOsamu Hatozaki
    • Tsutomu FujiiOsamu Hatozaki
    • H01G9/00H01M4/88
    • H01M4/587H01M10/052H01M10/0569
    • [Problem] The present invention aims to enhance a characteristic of a lithium ion electric storage device upon charging or discharging with high load, and increasing a working temperature range thereof.[Means for Solving Problem] In a positive electrode active material used for a lithium ion electric storage device, the BET specific surface area is 1500 m2/g or more and 3000 m2/g or less, the ratio A of the pore volume within the range of the pore diameter of 0.6 nm or more and less than 1 nm to the pore volume within the range of the pore diameter of 0.6 nm or more and 200 nm or less in the active material satisfies 0≦A≦0.80, and the ratio B of the active material of the pore volume within the range of the pore diameter of 1 nm or more and 6 nm or less to the pore volume within the range of the pore diameter of 0.6 nm or more and 200 nm or less in the active material satisfies 0.20≦B≦1.0. By virtue of this structure, the lithium ion electric storage device can be provided that is excellent in the charging/discharging characteristic when it is given a high load, and that can satisfactorily operate even under an environment of −30° C.
    • 本发明旨在提高锂离子蓄电装置在高负荷充放电时的特性,提高其工作温度范围。 解决问题的手段在锂离子蓄电装置的正极活性物质中,BET比表面积为1500m 2 / g以上3000m 2 / g以下, 在活性物质的孔径为0.6nm以上且200nm以下的范围内的孔径为0.6nm以上且小于1nm的孔径的范围满足0< nlE; A≦̸ 0.80, B的孔体积的活性物质在孔径为1nm以上且6nm以下的范围内的孔体积在活性物质的孔径为0.6nm以上且200nm以下的范围内 材料满足0.20≦̸ B≦̸ 1.0。 通过这样的结构,能够提供充电/放电特性优异的锂离子蓄电装置,即使在-30℃的环境下也能令人满意地进行充电。