NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME
    3.
    发明申请
    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME 有权
    非水电解质二次电池及其制造方法

    公开(公告)号:US20130288085A1

    公开(公告)日:2013-10-31

    申请号:US13996914

    申请日:2011-10-26

    IPC分类号: H01M4/62 H01M10/052

    摘要: Disclosed is a non-aqueous electrolyte secondary battery including a positive electrode including a lithium-containing transition metal composite oxide as a positive electrode active material, a negative electrode including a negative electrode active material, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte. The positive electrode contains lithium carbonate and lithium hydrogencarbonate in a total amount of 500 ppm or more and 3000 ppm or less, and exhibits a weight loss by temperature increase from 25° C. to 300° C. at 5° C./min of 70% or less of the total amount and of 1500 ppm or less. The non-aqueous electrolyte includes a non-aqueous solvent and a lithium salt. The non-aqueous solvent may contain a cyclic carbonate and a chain carbonate.

    摘要翻译: 公开了一种非水电解质二次电池,其包括含有含锂过渡金属复合氧化物作为正极活性物质的正极,含有负极活性物质的负极,插入正极和负极之间的隔膜 ,和非水电解质。 正极中含有碳酸锂和碳酸氢锂总量为500ppm以上且3000ppm以下,并且在5℃/ min的温度下从25℃升温至300℃显示重量减少 总量的70%以下,1500ppm以下。 非水电解质包括非水溶剂和锂盐。 非水溶剂可以含有环状碳酸酯和链状碳酸酯。

    Non-aqueous electrolyte secondary battery
    6.
    发明授权
    Non-aqueous electrolyte secondary battery 失效
    非水电解质二次电池

    公开(公告)号:US07468225B2

    公开(公告)日:2008-12-23

    申请号:US11547172

    申请日:2005-03-31

    IPC分类号: H01M6/18

    摘要: A non-aqueous electrolyte secondary battery including a positive electrode and a negative electrode each capable of absorbing and desorbing lithium, a separator interposed therebetween, and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode active material represented by: LiM1-xLxO2 where 0.005≦x≦0.1 is satisfied, M is at least one selected from the group consisting of Mn, Co and Ni, and L is at least one selected from the group consisting of Mg, Al, Ti, Sr, Zn, B, Ca, Cr, Si, Ga, Sn, P, V, Sb, Nb, Ta, Mo, W, Zr, Y and Fe, and the non-aqueous electrolyte includes a phosphinate compound represented by: where R1, R2 and R3 are each independently an aryl group, or an alkyl group, an alkenyl group or an alkynyl group each having 1 to 5 carbon atoms.

    摘要翻译: 一种非水电解质二次电池,包括能够吸收和解吸锂的正极和负极,隔着隔板的非水电解质二次电池和非水电解质,其中所述正极包括由LiM1- xLxO2,其中满足0.005 <= x <= 0.1,M是选自Mn,Co和Ni中的至少一种,L是选自Mg,Al,Ti,Sr,Zn ,B,Ca,Cr,Si,Ga,Sn,P,V,Sb,Nb,Ta,Mo,W,Zr,Y和Fe,非水电解质包括由下式表示的次膦酸盐化合物:其中R1,R2 和R 3各自独立地为具有1〜5个碳原子的芳基或烷基,烯基或炔基。

    Non-aqueous electrolyte secondary battery
    7.
    发明授权
    Non-aqueous electrolyte secondary battery 有权
    非水电解质二次电池

    公开(公告)号:US08221922B2

    公开(公告)日:2012-07-17

    申请号:US12443799

    申请日:2008-04-10

    IPC分类号: H01M6/16

    摘要: A non-aqueous electrolyte secondary battery including: a positive electrode that contains a transition metal oxide capable of absorbing and desorbing lithium ions; a negative electrode that is capable of absorbing and desorbing lithium ions; a porous film that is interposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte, wherein at least one selected from inorganic oxide and polyamide is contained in the porous film, and 5 to 15 vol % of ethylene carbonate is contained in a non-aqueous solvent that is contained in the non-aqueous electrolyte.

    摘要翻译: 一种非水电解质二次电池,包括:含有能够吸收和解吸锂离子的过渡金属氧化物的正极; 能够吸收和解吸锂离子的负极; 介于正极和负极之间的多孔膜; 和非水电解质,其中在多孔膜中含有选自无机氧化物和聚酰胺中的至少一种,在非水电解质中所含的非水溶剂中含有5〜15体积%的碳酸亚乙酯 。

    Non-aqueous electrolyte secondary battery
    8.
    发明授权
    Non-aqueous electrolyte secondary battery 失效
    非水电解质二次电池

    公开(公告)号:US08067119B2

    公开(公告)日:2011-11-29

    申请号:US12096262

    申请日:2007-05-18

    IPC分类号: H01M6/04 H01M6/16

    摘要: A non-aqueous electrolyte secondary battery of the present invention includes a positive electrode including an active material absorbing and desorbing lithium ions, a negative electrode including an active material absorbing and desorbing lithium ions, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte. The separator includes a material containing a substituent group with electron-withdrawing property. The non-aqueous electrolyte includes a non-aqueous solvent and a solute dissolved therein, and the non-aqueous solvent includes at least one selected from the group consisting of a fluorine-containing aromatic solvent, a fluorine-containing cyclic carbonic acid ester, and a fluorine-containing cyclic carboxylic acid ester.The combination of the foregoing separator and the foregoing non-aqueous electrolyte makes it possible to suppress the deterioration in the rate performance of the battery even when the battery is stored under high voltage and high temperature.

    摘要翻译: 本发明的非水电解质二次电池包括:包含吸收和解吸锂离子的活性物质的正极,包含吸收和解吸锂离子的活性物质的负极;插入正极和负极之间的隔膜; 和非水电解质。 隔膜包括含有具有吸电子性的取代基的材料。 非水电解质包含非水溶剂和溶解于其中的溶质,非水溶剂包括选自含氟芳香族溶剂,含氟环状碳酸酯和含氟环状碳酸酯中的至少一种, 含氟环状羧酸酯。 上述隔膜和上述非水电解液的组合使得即使在高电压和高温下储存电池的情况下也可以抑制电池的速率性能的劣化。

    Non-aqueous electrolyte and electrochemical energy storage device using the same
    9.
    发明申请
    Non-aqueous electrolyte and electrochemical energy storage device using the same 审中-公开
    非水电解质和电化学储能装置使用相同

    公开(公告)号:US20090130565A1

    公开(公告)日:2009-05-21

    申请号:US11919419

    申请日:2006-07-13

    摘要: A non-aqueous electrolyte of the present invention contains a lithium salt (A), a quaternary ammonium salt (B) containing a straight chain alkyl group having carbon atoms of 4 or less and a solvent (C) composed of at least one compound selected from the group consisting of ethylene carbonate, propylene carbonate, butylene carbonate, γ-butyrolactone, dimethyl carbonate, ethyl methyl carbonate, diethyl carbonate, dimethoxyethane, ethoxymethoxyethane and diethoxyethane. The molar ratio C/A of the solvent (C) to the lithium salt (A) or the molar ratio C/B of the solvent (C) to the ammonium salt (B) is 6 or less. The non-aqueous electrolyte has a single phase. Consequently, there can be obtained a non-aqueous electrolyte of a high ion concentration having an excellent oxidation resistance and reduction resistance.

    摘要翻译: 本发明的非水电解质含有锂盐(A),含有碳原子数为4以下的直链烷基的季铵盐(B)和选自由至少一种化合物构成的溶剂(C) 由碳酸亚乙酯,碳酸亚丙酯,碳酸亚丁酯,γ-丁内酯,碳酸二甲酯,碳酸甲乙酯,碳酸二乙酯,二甲氧基乙烷,乙氧基甲氧基乙烷,二乙氧基乙烷构成的组。 溶剂(C)与锂盐(A)的摩尔比C / A或溶剂(C)与铵盐(B)的摩尔比C / B为6以下。 非水电解质具有单相。 因此,可以获得具有优异的抗氧化性和耐还原性的高离子浓度的非水电解质。

    Nonaqueous electrolyte and secondary battery containing same
    10.
    发明申请
    Nonaqueous electrolyte and secondary battery containing same 审中-公开
    非水电解质和含有相同的二次电池

    公开(公告)号:US20090029248A1

    公开(公告)日:2009-01-29

    申请号:US11665076

    申请日:2006-01-17

    IPC分类号: H01M10/02

    CPC分类号: H01M10/052 H01M10/0567

    摘要: Provided is a non-aqueous electrolyte for a secondary battery including a non-aqueous solvent, a solute dissolved in the non-aqueous solvent, and an additive, in which the additive includes an unsaturated chain hydrocarbon compound having two or more carbon-carbon unsaturated bonds and including a main chain having five or more carbon atoms. The unsaturated chain hydrocarbon compound preferable as the additive is 1,3-hexadiene or 2,4-hexadiene. The amount of the unsaturated chain hydrocarbon compound is preferably 0.1 to 10 parts by weight per 100 parts by weight of the non-aqueous solvent.

    摘要翻译: 本发明提供一种二次电池用非水电解质,其包含非水溶剂,溶解在非水溶剂中的溶质和添加剂,其中,所述添加剂包含具有两个以上碳 - 碳不饱和键的不饱和链烃化合物 并且包括具有五个或更多个碳原子的主链。 作为添加剂优选的不饱和链烃化合物是1,3-己二烯或2,4-己二烯。 不饱和链烃化合物的量相对于100重量份的非水溶剂优选为0.1〜10重量份。