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    • 4. 发明申请
    • TYPE OF NON-AQUEOUS ELECTROLYTE
    • 非水溶性电解质
    • US20090305130A1
    • 2009-12-10
    • US12091271
    • 2006-11-09
    • Feng XiaoMingxia WangGuishu ZhouHuaying You
    • Feng XiaoMingxia WangGuishu ZhouHuaying You
    • H01M10/26
    • H01M10/0567
    • This invention relates to non-aqueous electrolytes, in particular, a non-aqueous electrolyte for lithium-ion secondary batteries. The electrolyte comprises regular organic solvents and electrolyte saline. The special characteristics are: the electrolyte also comprises mixed additives, said mixed additives comprising at least one of those of compound group A, at least one of those of compound group B, and one of those of compound group C wherein: compound group A are selected from inorganic saline including Li2CO3, Li2SO4, Li2 SO3, LiNO3; compound group B are selected from vinylene carbonate, propylene carbonate; and compound group C are selected from ES, PS, DMS, DES, DMSO. The weight ratio can be (Group I).
    • 本发明涉及非水电解质,特别是涉及锂离子二次电池的非水电解质。 电解质包含常规有机溶剂和电解质盐水。 其特征是电解质还包含混合添加剂,所述混合添加剂包括化合物A,化合物B中的至少一种和化合物C中的至少一种,其中化合物基团A为 选自包括Li 2 CO 3,Li 2 SO 4,Li 2 SO 3,LiNO 3的无机盐水; 化合物B选自碳酸亚乙烯酯,碳酸亚丙酯; 和化合物C选自ES,PS,DMS,DES,DMSO。 重量比可以是(组I)。
    • 6. 发明授权
    • Type of non-aqueous electrolyte
    • 非水电解质的类型
    • US07732093B2
    • 2010-06-08
    • US11595218
    • 2006-11-09
    • Feng XiaoMingxia WangGuishu ZhouHuaying You
    • Feng XiaoMingxia WangGuishu ZhouHuaying You
    • H01M6/14
    • H01M10/0567
    • This invention relates to non-aqueous electrolytes, in particular, a non-aqueous electrolyte for lithium-ion secondary batteries. The electrolyte comprises regular organic solvents and electrolyte saline. The special characteristics are: the electrolyte also comprises mixed additives, said mixed additives comprising at least one of those of compound group A, at least one of those of compound group B, and one of those of compound group C wherein: compound group A are selected from inorganic saline including Li2CO3, Li2SO4, Li2SO3, LiNO3; compound group B are selected from vinylene carbonate, propylene carbonate; and compound group C are selected from ES, PS, DMS, DES, DMSO. The weight ratio can be A:B:C=0.1%-3.0%:0.5%-4.0%:1.0%-5.0%.
    • 本发明涉及非水电解质,特别是涉及锂离子二次电池的非水电解质。 电解质包含常规有机溶剂和电解质盐水。 其特征是电解质还包含混合添加剂,所述混合添加剂包括化合物A,化合物B中的至少一种和化合物C中的至少一种,其中化合物基团A为 选自无机盐水,包括Li2CO3,Li2SO4,Li2SO3,LiNO3; 化合物B选自碳酸亚乙烯酯,碳酸亚丙酯; 和化合物C选自ES,PS,DMS,DES,DMSO。 重量比可以是A:B:C = 0.1%-3.0%:0.5%-4.0%:1.0%-5.0%。
    • 7. 发明申请
    • Type of mixed additives and electrolyte for lithium-ion secondary batteries using such mixed additives
    • 使用这种混合添加剂的锂离子二次电池的混合添加剂和电解质的种类
    • US20070105021A1
    • 2007-05-10
    • US11583486
    • 2006-10-18
    • Feng XiaoMingxia WangGuishu ZhouHuaying You
    • Feng XiaoMingxia WangGuishu ZhouHuaying You
    • H01M10/40C23G5/00
    • H01M10/0567H01M10/0525H01M10/4235H01M2300/0025H01M2300/0042
    • This invention discloses a type of mixed additives for electrolyte of lithium-ion secondary batteries, having the following characteristics: in weight percentage: biphenyl series: 0.5%˜95.4%; cyclohexylbenzene series: 1.1%˜93.8%; vinylene carbonate: 0.4%˜93.2%; phenyl vinyl sulfone: 0.5%˜96.5%; ethenyl sulfonyl benzene: 0.5%˜95.8%. This invention also discloses an electrolyte for lithium-ion secondary batteries comprising organic solvents and lithium saline, wherein the special characteristic is that it comprises 2%˜20% weight percentage of said mixed additives. The distinctive advantage of the mixed additives for lithium-ion secondary batteries of this invention is to effectively enhance the overcharging, low-temperature, and cycle properties of lithium-ion batteries. A lithium-ion battery having the mixed additives of this invention remains explosion-free, ignition-free and reliably safe when the lithium-ion secondary battery is overcharging. A battery of this invention's exemplary embodiment, when discharging at temperatures of −10° C. and −20° C., has high capacity, high medium voltage and low terminal inner resistance.
    • 本发明公开了一种锂离子二次电池用电解质混合添加剂,具有以下特征:重量百分比:联苯系列:0.5%〜95.4% 环己基苯系列:1.1%〜93.8%; 碳酸亚乙烯酯:0.4%〜93.2%; 苯基乙烯基砜:0.5%〜96.5%; 乙烯基磺酰苯:0.5%〜95.8%。 本发明还公开了一种包含有机溶剂和锂盐水的锂离子二次电池用电解质,其特征在于其占所述混合添加剂的2%〜20%重量百分比。 本发明的锂离子二次电池用混合添加剂的显着优点在于有效地提高了锂离子电池的过充电,低温和循环性能。 具有本发明的混合添加剂的锂离子电池在锂离子二次电池过充电时保持无爆炸,无点燃和可靠的安全。 本发明示例性实施例的电池当在-10℃和-20℃的温度下放电时,具有高容量,高中等电压和低端子内阻。
    • 8. 发明授权
    • Type of mixed additives and electrolyte for lithium-ion secondary batteries using such mixed additives
    • 使用这种混合添加剂的锂离子二次电池的混合添加剂和电解质的种类
    • US07700242B2
    • 2010-04-20
    • US11583486
    • 2006-10-18
    • Feng XiaoMingxia WangGuishu ZhouHuaying You
    • Feng XiaoMingxia WangGuishu ZhouHuaying You
    • H01M6/18
    • H01M10/0567H01M10/0525H01M10/4235H01M2300/0025H01M2300/0042
    • This invention discloses a type of mixed additives for electrolyte of lithium-ion secondary batteries, having the following characteristics: in weight percentage: biphenyl series: 0.5% to 95.4%; cyclohexylbenzene series: 1.1% to 93.8%; vinylene carbonate: 0.4% to 93.2%; phenyl vinyl sulfone: 0.5% to 96.5%; ethenyl sulfonyl benzene: 0.5% to 95.8%. This invention also discloses an electrolyte for lithium-ion secondary batteries comprising organic solvents and lithium saline, wherein the special characteristic is that it comprises 2% to 20% weight percentage of said mixed additives. The distinctive advantage of the mixed additives for lithium-ion secondary batteries of this invention is to effectively enhance the overcharging, low-temperature, and cycle properties of lithium-ion batteries. A lithium-ion battery having the mixed additives of this invention remains explosion-free, ignition-free and reliably safe when the lithium-ion secondary battery is overcharging. A battery of this invention's exemplary embodiment, when discharging at temperatures of −10° C. and −20° C., has high capacity, high medium voltage and low terminal inner resistance.
    • 本发明公开了一种锂离子二次电池用电解质混合添加剂,具有以下特征:重量百分比:联苯系列:0.5〜95.4% 环己基苯系列:1.1%〜93.8%; 碳酸亚乙烯酯:0.4%〜93.2% 苯基乙烯基砜:0.5〜96.5%; 乙烯基磺酰苯:0.5%〜95.8%。 本发明还公开了一种包含有机溶剂和锂盐的锂离子二次电池的电解质,其特征在于它包含2%至20%重量的所述混合添加剂。 本发明的锂离子二次电池用混合添加剂的显着优点在于有效地提高了锂离子电池的过充电,低温和循环性能。 具有本发明的混合添加剂的锂离子电池在锂离子二次电池过充电时保持无爆炸,无点燃和可靠的安全。 本发明示例性实施例的电池当在-10℃和-20℃的温度下放电时,具有高容量,高中等电压和低端子内阻。