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    • 13. 发明申请
    • LITHIUM SECONDARY BATTERY
    • 锂二次电池
    • US20110014504A1
    • 2011-01-20
    • US12888753
    • 2010-09-23
    • Masamichi OnukiShinichi Kinoshita
    • Masamichi OnukiShinichi Kinoshita
    • H01M10/02
    • H01M10/0567H01M10/052H01M10/4235
    • In order to provide a lithium secondary battery having high terminal-to-terminal open circuit voltage at the end of charge, suppressed amount of evolved gas on continuous charge, and superior cycle characteristics, the electrolyte solution thereof comprises either both vinylethylene carbonate compound and vinylene carbonate compound, lactone compound having a substituent at its α position in an amount of 0.01 weight % or more and 5 weight % or less, lactones having an unsaturated carbon-carbon bond in an amount of 0.01 weight % or more and 5 weight % or less, or sulfonate compound represented by the formula below. In the formula, L represents a bivalent connecting group consisting of at least one carbon atom and hydrogen atoms, and R30 represents, independently of each other, an unsubstituted or fluorine-substituted aliphatic saturated hydrocarbon group.
    • 为了提供在充电结束时具有高的端对端开路电压的锂二次电池,连续充电时的放出气体的抑制量和优异的循环特性,其电解质溶液包括乙烯基碳酸亚乙酯化合物和亚乙烯基 碳酸酯化合物,其α位具有取代基的内酯化合物的含量为0.01重量%以上且5重量%以下,具有0.01重量%以上且5重量%以下的不饱和碳 - 碳键的内酯或 较少的或由下式表示的磺酸盐化合物。 在该式中,L表示由至少一个碳原子和氢原子组成的二价连接基团,R 30彼此独立地表示未取代或氟取代的脂肪族饱和烃基。
    • 15. 发明申请
    • Lithium Secondary Battery
    • 锂二次电池
    • US20080311478A1
    • 2008-12-18
    • US11917656
    • 2007-06-15
    • Masamichi OnukiShinichi Kinoshita
    • Masamichi OnukiShinichi Kinoshita
    • H01M4/58
    • H01M10/0567H01M10/052H01M10/4235
    • In order to provide a lithium secondary battery having high terminal-to-terminal open circuit voltage at the end of charge, suppressed amount of evolved gas on continuous charge, and superior cycle characteristics, the electrolyte solution thereof comprises either both vinylethylene carbonate compound and vinylene carbonate compound, lactone compound having a substituent at its a position in an amount of 0.01 weight % or more and 5 weight % or less, lactones having an unsaturated carbon-carbon bond in an amount of 0.01 weight % or more and 5 weight % or less, or sulfonate compound represented by the formula below. In the formula, L represents a bivalent connecting group consisting of at least one carbon atom and hydrogen atoms, and R30 represents, independently of each other, an unsubstituted or fluorine-substituted aliphatic saturated hydrocarbon group.
    • 为了提供在充电结束时具有高的端对端开路电压的锂二次电池,连续充电时的放出气体的抑制量和优异的循环特性,其电解质溶液包括乙烯基碳酸亚乙酯化合物和亚乙烯基 碳酸酯化合物,其0.01重量%以上且5重量%以下的位置具有取代基的内酯化合物,具有0.01重量%以上且5重量%以下的不饱和碳 - 碳键的内酯,或 较少的或由下式表示的磺酸盐化合物。 在该式中,L表示由至少一个碳原子和氢原子组成的二价连接基团,R 30彼此独立地表示未取代或氟取代的脂肪族饱和烃基。