Electrolytes, cells and methods of forming passivation layers
    1.
    发明申请
    Electrolytes, cells and methods of forming passivation layers 审中-公开
    电解质,电池和形成钝化层的方法

    公开(公告)号:US20060216612A1

    公开(公告)日:2006-09-28

    申请号:US11300287

    申请日:2005-12-15

    IPC分类号: H01M10/40 B05D5/12 H01M10/44

    摘要: Electrolytes having a second cycle reduction current at 0.3 V vs Li/Li+ that is less than that of the first cycle. The electrolyte comprising a salt, which will not electrochemically passivate. A cell comprising a positive electrode, a negative electrode and an electrolyte having a second cycle reduction current at 0.3 V vs Li/Li+ that is less than that of the first cycle, said electrolyte comprising a salt, which will not electrochemically passivate. A method of forming an SEI layer in a cell comprising a positive electrode, a negative electrode and an electrolyte, said method comprising the step of overcharging the electrolyte prior to fabricating the cell, or said cell during the formation cycle.

    摘要翻译: 在0.3V下具有小于第一循环的电解液的Li / Li +的第二循环降低电流的电解质。 电解质包含不会电化学钝化的盐。 一种包含正极,负极和电解质的电池,其具有小于第一循环的电压的0.3V对Li / Li +的第二循环还原电流,所述电解质包含盐, 这不会电化学钝化。 一种在包括正极,负极和电解质的电池中形成SEI层的方法,所述方法包括在制造电池或在形成循环期间所述电池之前对电解液进行过充电的步骤。

    Stable electrolyte counteranions for electrochemical devices
    2.
    发明申请
    Stable electrolyte counteranions for electrochemical devices 审中-公开
    用于电化学装置的稳定的电解质阴离子

    公开(公告)号:US20070048605A1

    公开(公告)日:2007-03-01

    申请号:US11504039

    申请日:2006-08-15

    IPC分类号: H01M10/40 C07F5/02

    摘要: The invention relates to electrolyte salts for electrochemical devices of improved physical, chemical and electrochemical stability. The improvement resides in the use of anions of salts of the formula comprising: i) (B12FxZ12-x)2− wherein Z comprises at least one of H, Cl, Br or OR; R comprises at least one of H, alkyl or fluoroalkyl, or at least one polymer and x is at least 3 on an average basis but not more than 12; ii) ((R′R″R′″)NB12FxZ(11-x))−, wherein N is bonded to B and each of R′, R″, R′″ comprise a member independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, aryl and a polymer; Z comprises H, Cl, Br, or OR, where R comprises H, alkyl or perfluoroalkyl or a polymer, and x is an integer from 0 to 11; or iii) (R″″CB11FxZ(11-x))−, wherein R″″ is bonded to C and comprises a member selected from the group consisting of hydrogen, alkyl, cycloalkyl, aryl, and a polymer, Z comprises H, Cl, Br, or OR, wherein R comprises H, alkyl or perfluoroalkyl or a polymer, and x is an integer from 0 to 11.

    摘要翻译: 本发明涉及具有改进的物理,化学和电化学稳定性的电化学装置的电解质盐。 改进之处在于使用下式的盐阴离子,其包含:i)(B 12 R x Z 12-x N) 其中Z包括H,Cl,Br或OR中的至少一个; R包含H,烷基或氟烷基或至少一种聚合物中的至少一种,x平均为至少3,但不超过12; ii)((R'R''R“')NB 12 F x(11-x)) - 其中N与B键合,R',R“,R”'中的每一个包含独立地选自氢,烷基,环烷基,芳基和聚合物的成员; Z包括H,Cl,Br或OR,其中R包括H,烷基或全氟烷基或聚合物,x是0至11的整数; 或iii)(R“'CB 11)X Z(11-x)) - - - - 其中R“'键合到C并且包含选自氢,烷基,环烷基,芳基和聚合物的成员,Z包括H,Cl,Br或OR,其中R包括H,烷基或 全氟烷基或聚合物,x为0至11的整数。

    Polyfluorinated Boron Cluster Anions for Lithium Electrolytes
    4.
    发明申请
    Polyfluorinated Boron Cluster Anions for Lithium Electrolytes 审中-公开
    用于锂电解质的多氟化硼簇阴离子

    公开(公告)号:US20080063945A1

    公开(公告)日:2008-03-13

    申请号:US11939850

    申请日:2007-11-14

    IPC分类号: H01M10/40

    CPC分类号: H01M10/0568 H01M10/052

    摘要: The present invention relates to an improvement in lithium secondary batteries comprised of a negative electrode, a positive electrode, a separator, and a lithium-based electrolyte carried in an aprotic solvent and to the electrolyte compositions. The improvement resides in the use of a lithium salt of the formula: Li2B12FxZ12−x wherein x greater than or equal to 4 and Z represents H, Cl, and Br.

    摘要翻译: 本发明涉及由在非质子传递溶剂中负载的负极,正极,隔膜和锂基电解质组成的锂二次电池的改进。 改进在于使用下式的锂盐:<?in-line-formula description =“In-line formula”end =“lead”?> Li 2 B 12 β-in-line-formula description =“In-line Formulas”end =“tail”?>其中x大于 或等于4,Z表示H,Cl和Br。

    High purity lithium polyhalogenated boron cluster salts useful in lithium batteries
    6.
    发明申请
    High purity lithium polyhalogenated boron cluster salts useful in lithium batteries 有权
    用于锂电池的高纯度锂多卤代硼簇盐

    公开(公告)号:US20070189946A1

    公开(公告)日:2007-08-16

    申请号:US11710116

    申请日:2007-02-23

    IPC分类号: C01D15/00

    摘要: The present invention relates to lithium secondary batteries comprising a negative electrode, a positive electrode, a separator and a lithium-based electrolyte carried in an aprotic solvent, and to the electrolyte compositions, and to methods for purifying battery active materials. The electrolyte comprises at least one solvent and a lithium salt of the formula: Li2B12FxH12-x-yZywhere x+y is from 3 to 12, and x and y are independently from 0 to 12, and Z comprises at least one of Cl and Br.

    摘要翻译: 本发明涉及包含负极,正极,隔板和在非质子传递溶剂中载带的锂基电解质的锂二次电池以及电解质组合物,以及用于净化电池活性物质的方法。 电解质包含至少一种溶剂和下式的锂盐:<?in-line-formula description =“In-line formula”end =“lead”?> Li 2 B& β-in-line-formula description =“In-line Formulas”end =“尾”→其中x + y为3至12,x和y独立地为0至12,Z包括Cl和Br中的至少一个。

    Polyfluorinated boron cluster anions for lithium electrolytes
    9.
    发明申请
    Polyfluorinated boron cluster anions for lithium electrolytes 审中-公开
    用于锂电解质的多氟硼簇阴离子

    公开(公告)号:US20060204843A1

    公开(公告)日:2006-09-14

    申请号:US11372907

    申请日:2006-03-10

    IPC分类号: H01M10/40

    摘要: The present invention relates a battery comprising: a lithium salt of the formula: Li2B12FxZ12-x where x averages at least 4 but not more than 12 and Z is H, Cl, or Br, and a solvent having a higher dielectric constant than a solvent consisting of a 3:7 ratio by weight of ethylene carbonate (EC) and diethyl carbonate (DEC).

    摘要翻译: 本发明涉及一种电池,包括:下式的锂盐:<?in-line-formula description =“In-line formula”end =“lead”?> Li 2 B& x-in-line-formula description =“In-line Formulas”end =“tail”?>其中x的平均值 至少4个但不超过12个,Z是H,Cl或Br,并且介电常数比由碳酸亚乙酯(EC)和碳酸二乙酯(DEC)的3:7重量比构成的溶剂更高的溶剂, 。

    Synthesis of vicinal difluoro aromatics and intermediates thereof
    10.
    发明授权
    Synthesis of vicinal difluoro aromatics and intermediates thereof 有权
    邻二氟芳族化合物的合成及其中间体

    公开(公告)号:US06894200B2

    公开(公告)日:2005-05-17

    申请号:US10357897

    申请日:2003-02-03

    摘要: A method of preparing vicinal difluoro aromatic compounds in high yield from hydroxy aromatic compounds using various bases and a method of preparing intermediates thereof. A method for making a vicinal difluoro halogenated aromatic compound including providing a tetrafluoro derivative of a halogen substituted aromatic compound, wherein the tetrafluoro derivative has two fluorine atoms on each of two adjacent carbons and at least one additional halogen substituent; reacting the tetrafluoro derivative with a reducing agent in presence of a base for a reaction time sufficient to form the vicinal difluoro halogenated aromatic compound containing two vicinal fluorine substituents and the at least one additional halogen substituent, wherein the reducing agent is used in a reducing agent effective amount sufficient to retain the at least one additional halogen substituent.

    摘要翻译: 使用各种碱由羟基芳族化合物高收率制备邻位二氟芳族化合物的方法及其制备中间体的方法。 一种制备邻二氟卤代芳族化合物的方法,包括提供卤素取代的芳族化合物的四氟衍生物,其中四氟衍生物在两个相邻碳原子上具有两个氟原子和至少一个另外的卤素取代基; 使四氟衍生物与还原剂在碱的存在下反应足以形成含有两个邻位氟取代基的连位二氟卤代芳族化合物和至少一个另外的卤素取代基的反应时​​间,其中还原剂用于还原剂 足以保留至少一个另外的卤素取代基的有效量。