公开(公告)号：US07790322B2

公开(公告)日：2010-09-07

申请号：US12090728

申请日：2006-10-17

申请人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

发明人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

IPC分类号： H01M6/18

CPC分类号： H01M10/0567 ,  H01M10/0525 ,  H01M10/4235 ,  H01M2300/0025 ,  H01M2300/0042

摘要： Disclosed herewith are an additive mixture for the electrolyte of lithium ion secondary batteries and electrolyte of lithium ion secondary batteries comprising the said additive mixture. The additive mixture comprises biphenyl based compound 0.5-95.4 wt %, cyclohexyl benzene based compound 0.1-93.8 wt %, vinylene carbonate 0.4-93.2 wt %, t-alkyl benzene based compound 0.5-96.5 wt %, and phenyl vinyl sulfone 0.5-95.8% based on total weight of the additive mixture.

摘要翻译： 本发明公开了一种用于锂离子二次电池的电解质和包含所述添加剂混合物的锂离子二次电池的电解质的添加剂混合物。 添加剂混合物包含联苯基化合物0.5-95.4重量％，环己基苯基化合物0.1-93.8重量％，碳酸亚乙烯酯0.4-93.2重量％，t-烷基苯基化合物0.5-96.5重量％和苯基乙烯基砜0.5-95.8 基于添加剂混合物的总重量的％。

公开(公告)号：US20090305130A1

公开(公告)日：2009-12-10

申请号：US12091271

申请日：2006-11-09

申请人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

发明人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

IPC分类号： H01M10/26

CPC分类号： H01M10/0567

摘要： 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).

摘要翻译： 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）。

公开(公告)号：US07732093B2

公开(公告)日：2010-06-08

申请号：US11595218

申请日：2006-11-09

申请人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

发明人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

IPC分类号： H01M6/14

CPC分类号： H01M10/0567

摘要： 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%.

摘要翻译： 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％。

公开(公告)号：US20070105021A1

公开(公告)日：2007-05-10

申请号：US11583486

申请日：2006-10-18

申请人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

发明人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

IPC分类号： H01M10/40 ,  C23G5/00

CPC分类号： H01M10/0567 ,  H01M10/0525 ,  H01M10/4235 ,  H01M2300/0025 ,  H01M2300/0042

摘要： 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.

摘要翻译： 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。

公开(公告)号：US07700242B2

公开(公告)日：2010-04-20

申请号：US11583486

申请日：2006-10-18

申请人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

发明人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

IPC分类号： H01M6/18

CPC分类号： H01M10/0567 ,  H01M10/0525 ,  H01M10/4235 ,  H01M2300/0025 ,  H01M2300/0042

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20090042103A1

公开(公告)日：2009-02-12

申请号：US12090728

申请日：2006-10-17

申请人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

发明人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

IPC分类号： H01M10/40

CPC分类号： H01M10/0567 ,  H01M10/0525 ,  H01M10/4235 ,  H01M2300/0025 ,  H01M2300/0042

摘要： An additive mixture of the electrolyte of lithium ion secondary batteries and the electrolyte of lithium ion secondary batteries including the said additive mixture, characterizing in that the additive mixture includes 0.5-95.4 wt % biphenyl based compound, 0.1-93.8 wt % cyclohexylbenzene based compound, 0.4-93.2 wt % vinylene carbonate, 0.5-96.5 wt % t-alkyl benzene based compound and 0.5-95.8 wt % ethenyl sulfonyl benzene, based on the whole weight of the additive mixture.

摘要翻译： 锂离子二次电池的电解质和包括所述添加剂混合物的锂离子二次电池的电解质的添加混合物，其特征在于，所述添加剂混合物包含0.5-95.4重量％的联苯基化合物，0.1-93.8重量％的环己基苯基化合物， 0.4-93.2wt％碳酸亚乙烯酯，0.5-96.5wt％t-烷基苯基化合物和0.5-95.8wt％乙烯基磺酰苯，基于添加剂混合物的总重量。

公开(公告)号：US20080286646A1

公开(公告)日：2008-11-20

申请号：US12093397

申请日：2006-11-23

申请人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

发明人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

IPC分类号： H01M10/26 ,  H01M10/24 ,  H01M2/14 ,  H01M10/28

CPC分类号： H01M10/0564 ,  H01M10/0567 ,  H01M10/058 ,  Y10T29/49108 ,  Y10T29/4911

摘要： Electrolytes for lithium ion batteries are provided. The electrolytes include lithium salts, organic solvents and additives. In particular, the additives include halogeno-benzene and/or its homologs, the S═O bond compounds, biphenyl and/or its homologs, phenylcyclohexane and/or its homologs, teraklylbenzenes, and di-cycladipate and/or its homologs. Lithium ion batteries using said electrolytes exhibit improved overcharging safety properties, high temperature storage stability properties and cycle life properties simultaneously.

摘要翻译： 提供锂离子电池用电解液。 电解质包括锂盐，有机溶剂和添加剂。 特别地，添加剂包括卤代苯和/或其同系物，S-O键化合物，联苯和/或其同系物，苯基环己烷和/或其同系物，萜烯基苯和二环己二酸酯和/或其同系物。 使用所述电解质的锂离子电池同时显示出改善的过充电安全性能，高温储存稳定性和循环寿命特性。

公开(公告)号：US20070117012A1

公开(公告)日：2007-05-24

申请号：US11604079

申请日：2006-11-24

申请人： Feng Xiao ,  Guishu Zhou ,  Huaying You ,  Mingxia Wang

发明人： Feng Xiao ,  Guishu Zhou ,  Huaying You ,  Mingxia Wang

IPC分类号： H01M10/40

CPC分类号： H01M10/0564 ,  H01M10/0567 ,  H01M10/058 ,  Y10T29/49108 ,  Y10T29/4911

摘要： The present invention discloses electrolytes for lithium ion batteries. Said electrolytes comprise of lithium salts, organic solvents and additives. In particular, the additives are comprised of halogeno-benzene and/or its homologs, the O═S═O bond compounds, biphenyl and/or its homologs, phenylcyclohexane and/or its homologs, teraklylbenzenes, and di-cycladipate and/or its homologs. Lithium ion batteries using said electrolytes exhibit improved overcharging safety properties, high temperature storage stability properties and cycle life properties simultaneously.

摘要翻译： 本发明公开了一种锂离子电池用电解质。 所述电解质包括锂盐，有机溶剂和添加剂。 特别地，添加剂包括卤代苯和/或其同源物，O-S-O键化合物，联苯和/或其同系物，苯基环己烷和/或其同系物，萜烯基苯和二环己二酸酯和/或其同系物。 使用所述电解质的锂离子电池同时显示出改善的过充电安全性能，高温储存稳定性和循环寿命特性。

公开(公告)号：US20070105022A1

公开(公告)日：2007-05-10

申请号：US11595218

申请日：2006-11-09

申请人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

发明人： Feng Xiao ,  Mingxia Wang ,  Guishu Zhou ,  Huaying You

IPC分类号： H01M10/40

CPC分类号： H01M10/0567

摘要： 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%.

摘要翻译： 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，N 2，N 2， SO 3 SO 3，LiNO 3 3; 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％。