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    Overcharge protection for electrochemical cells
    1.
    发明申请
    Overcharge protection for electrochemical cells 有权
    电化学电池过充保护

    公开(公告)号：US20050227143A1

    公开(公告)日：2005-10-13

    申请号：US11097810

    申请日：2005-04-01

    申请人： Khalil Amine ,  Jun Liu ,  Krishnakumar Jambunathan ,  Brian Peterson ,  Gennady Dantsin

    发明人： Khalil Amine ,  Jun Liu ,  Krishnakumar Jambunathan ,  Brian Peterson ,  Gennady Dantsin

    IPC分类号： H01M6/16 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/42 ,  H01M10/36

    CPC分类号： H01M6/166 ,  H01M6/168 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/4235 ,  H01M2300/0025

    摘要： The invention relates to an improvement in a cell which is normally susceptible to damage from overcharging comprised of a negative electrode, a positive electrode, and an electrolyte comprised of an overcharge protection salt carried in a carrier or solvent. Representative overcharge protection salts are embraced by the formula: MaQ where M is an electrochemically stable cation selected from the group consisting of alkali metal, alkaline earth metal, tetraalkylammonium, or imidazolium groups, and Q is a borate or heteroborate cluster and a is the integer 1 or 2.

    摘要翻译： 本发明涉及电池的改进，该电池通常容易受到由负载电极，正电极和包含负载在载体或溶剂中的过充电保护盐构成的电解质的过充电的损害。 代表性的过充电保护盐包含下列公式：<？in-line-formula description =“In-line Formulas”end =“lead”？> M Q <？in-line-formula description =“In-line Formulas”end =“tail”？>其中M是选自碱金属，碱土金属，四烷基铵或咪唑鎓基团的电化学稳定阳离子，Q是硼酸盐或异硼酸盐簇和 是整数1或2。

    Overcharge protection for electrochemical cells
    2.
    发明授权
    Overcharge protection for electrochemical cells 有权
    电化学电池过充保护

    公开(公告)号：US07785740B2

    公开(公告)日：2010-08-31

    申请号：US11097810

    申请日：2005-04-01

    申请人： Khalil Amine ,  Jun Liu ,  Krishnakumar Jambunathan ,  Brian Keith Peterson ,  Gennady Dantsin

    发明人： Khalil Amine ,  Jun Liu ,  Krishnakumar Jambunathan ,  Brian Keith Peterson ,  Gennady Dantsin

    IPC分类号： H01M10/056

    CPC分类号： H01M6/166 ,  H01M6/168 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/4235 ,  H01M2300/0025

    摘要： The invention relates to an improvement in a cell which is normally susceptible to damage from overcharging comprised of a negative electrode, a positive electrode, and an electrolyte comprised of an overcharge protection salt carried in a carrier or solvent. Representative overcharge protection salts are embraced by the formula: MaQ where M is an electrochemically stable cation selected from the group consisting of alkali metal, alkaline earth metal, tetraalkylammonium, or imidazolium groups, and Q is a borate or heteroborate cluster and a is the integer 1 or 2.

    摘要翻译： 本发明涉及电池的改进，该电池通常容易受到由负载电极，正电极和包含负载在载体或溶剂中的过充电保护盐构成的电解质的过充电的损害。 代表性的过充电保护盐包括下式：其中M是选自碱金属，碱土金属，四烷基铵或咪唑鎓基团的电化学稳定阳离子，Q是硼酸盐或异硼酸盐簇，a是整数 1或2。

    Long life lithium batteries with stabilized electrodes
    3.
    发明授权
    Long life lithium batteries with stabilized electrodes 有权
    长寿命的锂电池具有稳定的电极

    公开(公告)号：US09012096B2

    公开(公告)日：2015-04-21

    申请号：US11338902

    申请日：2006-01-24

    申请人： Khalil Amine ,  Jun Liu ,  Donald R. Vissers ,  Wenquan Lu

    发明人： Khalil Amine ,  Jun Liu ,  Donald R. Vissers ,  Wenquan Lu

    IPC分类号： H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

    CPC分类号： H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

    摘要： The present invention relates to non-aqueous electrolytes having electrode stabilizing additives, stabilized electrodes, and electrochemical devices containing the same. Thus the present invention provides electrolytes containing an alkali metal salt, a polar aprotic solvent, and an electrode stabilizing additive. In certain electrolytes, the alkali metal salt is a bis(chelato)borate and the additives include substituted or unsubstituted linear, branched or cyclic hydrocarbons comprising at least one oxygen atom and at least one aryl, alkenyl or alkynyl group. In other electrolytes, the additives include a substituted aryl compound or a substituted or unsubstituted heteroaryl compound wherein the additive comprises at least one oxygen atom. There are also provided methods of making the electrolytes and batteries employing the electrolytes. The invention also provides for electrode materials. Cathodes of the present invention may be further stabilized by surface coating the particles of the spinel or olivine with a material that can neutralize acid or otherwise lessen or prevent leaching of the manganese or iron ions. In some embodiments the coating is polymeric and in other embodiments the coating is a metal oxide such as ZrO2, TiO2, ZnO, WO3, Al2O3, MgO, SiO2, SnO2 AlPO4, Al(OH)3, a mixture of any two or more thereof.

    摘要翻译： 本发明涉及具有电极稳定添加剂，稳定电极和含有这些电极的电化学装置的非水电解质。 因此，本发明提供了含有碱金属盐，极性非质子溶剂和电极稳定添加剂的电解质。 在某些电解质中，碱金属盐是双（螯合）硼酸盐，并且添加剂包括取代或未取代的包含至少一个氧原子和至少一个芳基，烯基或炔基的直链，支链或环状烃。 在其他电解质中，添加剂包括取代的芳基化合物或取代或未取代的杂芳基化合物，其中添加剂包含至少一个氧原子。 还提供了使用电解质的电解质和电池的制造方法。 本发明还提供电极材料。 通过用可以中和酸或以其它方式减少或防止锰或铁离子浸出的材料表面涂覆尖晶石或橄榄石的颗粒，可以进一步稳定本发明的阴极。 在一些实施方案中，涂层是聚合物，并且在其它实施方案中，涂层是诸如ZrO 2，TiO 2，ZnO，WO 3，Al 2 O 3，MgO，SiO 2，SnO 2，AlPO 4，Al（OH）3的金属氧化物，其任何两种或更多种的混合物 。

    Long life lithium batteries with stabilized electrodes
    5.
    发明授权
    Long life lithium batteries with stabilized electrodes 有权
    长寿命的锂电池具有稳定的电极

    公开(公告)号：US07507503B2

    公开(公告)日：2009-03-24

    申请号：US11297120

    申请日：2005-12-08

    申请人： Khalil Amine ,  Jun Liu ,  Donald R. Vissers ,  Wenquan Lu

    发明人： Khalil Amine ,  Jun Liu ,  Donald R. Vissers ,  Wenquan Lu

    IPC分类号： H01M6/16

    CPC分类号： H01M10/0567 ,  H01M4/13 ,  H01M4/366 ,  H01M4/505 ,  H01M4/5825 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569

    摘要： The present invention relates to non-aqueous electrolytes having electrode stabilizing additives, stabilized electrodes, and electrochemical devices containing the same. Thus the present invention provides electrolytes containing an alkali metal salt, a polar aprotic solvent, and an electrode stabilizing additive. In some embodiments the additives include a substituted or unsubstituted cyclic or spirocyclic hydrocarbon containing at least one oxygen atom and at least one alkenyl or alkynyl group. When used in electrochemical devices with, e.g., lithium manganese oxide spinel electrodes or olivine or carbon-coated olivine electrodes, the new electrolytes provide batteries with improved calendar and cycle life.

    摘要翻译： 本发明涉及具有电极稳定添加剂，稳定电极和含有这些电极的电化学装置的非水电解质。 因此，本发明提供了含有碱金属盐，极性非质子溶剂和电极稳定添加剂的电解质。 在一些实施方案中，添加剂包括含有至少一个氧原子和至少一个烯基或炔基的取代或未取代的环状或螺环烃。 当用于具有例如锂锰氧化物尖晶石电极或橄榄石或碳涂覆的橄榄石电极的电化学装置中时，新的电解质提供具有改善的日历和循环寿命的电池。

    Long life lithium batteries with stabilized electrodes
    7.
    发明申请
    Long life lithium batteries with stabilized electrodes 有权
    长寿命的锂电池具有稳定的电极

    公开(公告)号：US20060147809A1

    公开(公告)日：2006-07-06

    申请号：US11338902

    申请日：2006-01-24

    申请人： Khalil Amine ,  Jun Liu ,  Donald Vissers ,  Wenquan Lu

    发明人： Khalil Amine ,  Jun Liu ,  Donald Vissers ,  Wenquan Lu

    IPC分类号： H01M10/40

    CPC分类号： H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

    摘要： The present invention relates to non-aqueous electrolytes having electrode stabilizing additives, stabilized electrodes, and electrochemical devices containing the same. Thus the present invention provides electrolytes containing an alkali metal salt, a polar aprotic solvent, and an electrode stabilizing additive. In certain electrolytes, the alkali metal salt is a bis(chelato)borate and the additives include substituted or unsubstituted linear, branched or cyclic hydrocarbons comprising at least one oxygen atom and at least one aryl, alkenyl or alkynyl group. In other electrolytes, the additives include a substituted aryl compound or a substituted or unsubstituted heteroaryl compound wherein the additive comprises at least one oxygen atom. There are also provided methods of making the electrolytes and batteries employing the electrolytes. The invention also provides for electrode materials. Cathodes of the present invention may be further stabilized by surface coating the particles of the spinel or olivine with a material that can neutralize acid or otherwise lessen or prevent leaching of the manganese or iron ions. In some embodiments the coating is polymeric and in other embodiments the coating is a metal oxide such as ZrO2, TiO2, ZnO, WO3, Al2O3, MgO, SiO2, SnO2 AlPO4, Al(OH)3, a mixture of any two or more thereof.

    摘要翻译： 本发明涉及具有电极稳定添加剂，稳定电极和含有这些电极的电化学装置的非水电解质。 因此，本发明提供了含有碱金属盐，极性非质子溶剂和电极稳定添加剂的电解质。 在某些电解质中，碱金属盐是双（螯合）硼酸盐，并且添加剂包括取代或未取代的包含至少一个氧原子和至少一个芳基，烯基或炔基的直链，支链或环状烃。 在其他电解质中，添加剂包括取代的芳基化合物或取代或未取代的杂芳基化合物，其中添加剂包含至少一个氧原子。 还提供了使用电解质的电解质和电池的制造方法。 本发明还提供电极材料。 通过用可以中和酸或以其它方式减少或防止锰或铁离子浸出的材料表面涂覆尖晶石或橄榄石的颗粒，可以进一步稳定本发明的阴极。 在一些实施方案中，涂层是聚合物，在其它实施方案中，涂层是金属氧化物，例如ZrO 2，TiO 2，ZnO，WO 3， ，Al 2 O 3，MgO，SiO 2，SnO 2，AlPO 4，N 2 O 3， ，Al（OH）3 N 3，其中任何两种或更多种的混合物。