ELECTROCHEMICAL CELLS WITH IMPROVED SPIRAL-WOUND ELECTRODE ASSEMBLY
    1.
    发明申请
    ELECTROCHEMICAL CELLS WITH IMPROVED SPIRAL-WOUND ELECTRODE ASSEMBLY 审中-公开
    具有改进的螺旋电极组件的电化学电池

    公开(公告)号:WO2012170631A1

    公开(公告)日:2012-12-13

    申请号:PCT/US2012/041254

    申请日:2012-06-07

    Abstract: A spiral-wound electrode assembly an electrochemical cell with the spiral-wound electrode assembly, and a method of manufacturing an electrochemical cell with the spiral-wound electrode assembly are disclosed. The spiral-wound electrode assembly (400) has a first electrode (410) that has a first electrode active material, a leading edge and a trailing edge (440). The assembly has a second electrode (420) that includes a second electrode active material, a leading edge and a trailing edge (450). A separator (not shown) is located between the first electrode and the second electrode. The electrode assembly has an interfacial anode-to-cathode ratio of less than about 1.2. The first electrode, second electrode, and separator are wound so that the first electrode forms a layer at the outermost radius of the electrode assembly and so that the trailing edge of the second electrode extends past the trailing edge of the first electrode by a distance X.

    Abstract translation: 公开了具有螺旋缠绕电极组件的螺旋卷绕电极组件和电化学电池,以及制造具有螺旋缠绕电极组件的电化学电池的方法。 螺旋缠绕电极组件(400)具有第一电极(410),其具有第一电极活性材料,前缘和后缘(440)。 组件具有包括第二电极活性材料,前缘和后缘(450)的第二电极(420)。 分离器(未示出)位于第一电极和第二电极之间。 电极组件的界面阳极与阴极之比小于约1.2。 卷绕第一电极,第二电极和隔板,使得第一电极在电极组件的最外半径处形成层,并且使得第二电极的后缘延伸超过第一电极的后缘距离X 。

    LITHIUM CELL WITH IRON DISULFIDE CATHODE
    2.
    发明申请
    LITHIUM CELL WITH IRON DISULFIDE CATHODE 审中-公开
    锂电池与铁离子阴极

    公开(公告)号:WO2010093518A1

    公开(公告)日:2010-08-19

    申请号:PCT/US2010/022157

    申请日:2010-01-27

    Abstract: A primary cell having an anode comprising lithium or lithium alloy and a cathode comprising iron disulfide (FeS 2 ) and carbon particles. The electrolyte comprises a lithium salt preferably lithium iodide (LiI) dissolved in an organic solvent mixture. The solvent mixture preferably comprises dioxolane and dimethoxyethane. The electrolyte typically contains between about 100 and 2000 parts by weight water per million parts by weight (ppm) electrolyte therein. The anode may be lithium metal or preferably is a lithium alloy. A cathode slurry is prepared comprising iron disulfide powder, carbon, binder, and a liquid solvent. The mixture is coated onto a conductive substrate and solvent evaporated leaving a dry cathode coating on the substrate. The anode and cathode can be spirally wound with separator therebetween and inserted into the cell casing with electrolyte then added.

    Abstract translation: 具有包含锂或锂合金的阳极和包含二硫化铁(FeS 2)和碳颗粒的阴极的初级电池。 电解质包含溶解在有机溶剂混合物中的锂盐,优选碘化锂(LiI)。 溶剂混合物优选包括二氧戊环和二甲氧基乙烷。 电解液通常含有每百万重量份(ppm)电解质中约100至2000重量份的水。 阳极可以是锂金属,或者优选是锂合金。 制备包含二硫化铁粉末,碳,粘合剂和液体溶剂的阴极浆料。 将混合物涂覆到导电基材上,并蒸发溶剂,在基材上留下干燥的阴极涂层。 阳极和阴极可以用分离器螺旋卷绕并插入电池壳体中,然后加入电解质。

    METHOD OF PREPARING CATHODE CONTAINING IRON DISULFIDE FOR A LITHIUM CELL
    3.
    发明申请
    METHOD OF PREPARING CATHODE CONTAINING IRON DISULFIDE FOR A LITHIUM CELL 审中-公开
    制备用于锂离子电池的含卤素阴离子的方法

    公开(公告)号:WO2009143128A1

    公开(公告)日:2009-11-26

    申请号:PCT/US2009/044482

    申请日:2009-05-19

    Abstract: A primary cell having an anode comprising lithium or lithium alloy and a cathode comprising iron disulfide (FeS 2 ) or a mixture of iron disulfide (FeS 2 ) and iron sulfide (FeS) and conductive carbon particles. A cathode slurry is prepared comprising the FeS 2 or FeS 2 plus FeS powder, conductive carbon, binder, and a solvent. The binder is preferably a styrene-ethylene/butylene-styrene (SEBS) block copolymer. There is an advantage discovered in utilizing a hydronaphthalene solvent to form the cathode slurry. The preferred solvent is 1,2,3,4-tetrahydronaphthalene or decahydronaphthalene and mixtures thereof. The slurry mixture is coated onto a conductive substrate and the solvent evaporated leaving a dry cathode coating on the substrate. Higher drying temperature may be used resulting in a dry cathode coating which resists cracking. The anode and cathode can be spirally wound with separator therebetween and inserted into the cell casing with electrolyte then added.

    Abstract translation: 具有包含锂或锂合金的阳极和包含二硫化铁(FeS 2)或二硫化铁(FeS 2)和硫化铁(FeS)和导电碳颗粒的混合物的阴极的初级电池。 制备包含FeS 2或FeS 2加FeS粉末,导电碳,粘合剂和溶剂的阴极浆料。 粘合剂优选为苯乙烯 - 乙烯/丁烯 - 苯乙烯(SEBS)嵌段共聚物。 在利用氢化萘溶剂形成阴极浆料时发现了一个优点。 优选的溶剂是1,2,3,4-四氢化萘或十氢萘及其混合物。 将浆料混合物涂覆到导电基材上,蒸发溶剂,在基材上留下干燥的阴极涂层。 可以使用更高的干燥温度,导致干燥的阴极涂层,其耐龟裂。 阳极和阴极可以用分离器螺旋卷绕并插入电池壳体中,然后加入电解质。

    LITHIUM CELL WITH IMPROVED IRON DISULFIDE CATHODE
    6.
    发明申请
    LITHIUM CELL WITH IMPROVED IRON DISULFIDE CATHODE 审中-公开
    具有改进的铁离子阴极的锂电池

    公开(公告)号:WO2010111103A1

    公开(公告)日:2010-09-30

    申请号:PCT/US2010/027741

    申请日:2010-03-18

    Abstract: A primary cell having an anode comprising lithium or lithium alloy and a cathode comprising iron disulfide (FeS2) with calcium hydroxide Ca(OH)2 and lithium carbonate Li2CO3 additive mixed therein. The electrolyte may typically comprise lithium bistrifluoromethylsulfonyl imide, Li(CF3SO2)2N (LiTFSI) salt dissolved in a solvent mixture comprising 1,3-dioxolane and sulfolane. The electrolyte typically contains between about 100 and 2000 parts by weight water per million parts by weight (ppm) electrolyte therein. A cathode slurry is prepared comprising iron disulfide powder with Ca(OH)2 and Li2CO3 mixed therein, carbon, binder, and a liquid solvent. The mixture is coated onto a conductive substrate and solvent evaporated leaving a dry cathode coating on the substrate. The anode and cathode can be spirally wound with separator therebetween and inserted into the cell casing with electrolyte then added.

    Abstract translation: 具有包含锂或锂合金的阳极和包含二氧化硫(FeS 2)与氢氧化钙Ca(OH)2和混合有碳酸锂Li 2 CO 3添加剂的阴极的初级电池。 电解质通常可以包含溶解在包含1,3-二氧戊环和环丁砜的溶剂混合物中的双三氟甲基磺酰亚胺锂,Li(CF 3 SO 2)2 N(LiTFSI)盐。 电解液通常含有每百万重量份(ppm)电解质中约100至2000重量份的水。 制备包含混合有Ca(OH)2和Li 2 CO 3的二硫化铁粉末,碳,粘合剂和液体溶剂的阴极浆料。 将混合物涂覆到导电基材上,并蒸发溶剂,在基材上留下干燥的阴极涂层。 阳极和阴极可以用分离器螺旋卷绕并插入电池壳体中,然后加入电解质。

    LITHIUM CELL
    7.
    发明申请
    LITHIUM CELL 审中-公开
    锂电池

    公开(公告)号:WO2008004168A3

    公开(公告)日:2008-02-28

    申请号:PCT/IB2007052546

    申请日:2007-06-29

    Abstract: A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS2) and carbon particles. The electrolyte comprises a lithium salt dissolved in a nonaqueous solvent mixture comprising a cyclic carbonate which contains an additive, iodine or bromine, suppressing voltage delay. A cathode slurry is prepared comprising iron disulfide powder, carbon, binder, and liquid solvent. The mixture is coated onto a conductive substrate and solvent evaporated leaving a dry cathode coating on the substrate. The anode and cathode can be spirally wound with separator therebetween and inserted into the cell casing with electrolyte then added.

    Abstract translation: 具有包含锂的阳极的主电池和包含二硫化铁(FeS 2)和碳颗粒的阴极。 电解质包含溶解在包含含有添加剂碘或溴的环状碳酸酯的非水溶剂混合物中的锂盐,抑制电压延迟。 制备包含二硫化铁粉末,碳,粘合剂和液体溶剂的阴极浆料。 将混合物涂覆到导电基材上,并蒸发溶剂,在基材上留下干燥的阴极涂层。 阳极和阴极可以用分离器螺旋卷绕并插入电池壳体中,然后加入电解质。

    ZINC/AIR CELL
    8.
    发明申请
    ZINC/AIR CELL 审中-公开
    锌/空气电池

    公开(公告)号:WO2007049251A2

    公开(公告)日:2007-05-03

    申请号:PCT/IB2006/053986

    申请日:2006-10-27

    CPC classification number: H01M12/06 H01M4/244 H01M6/04 H01M6/045

    Abstract: A zinc/air depolarized cell wherein the anode comprises zinc particles, aqueous alkaline electrolyte, and pyrophosphate based (P 2 O 7 ) 4 - additive. The cell may be in the form of a button cell. The addition of a pyrophosphate containing additive to the zinc anode improves the cell's service life regardless of whether the zinc is amalgamated with mercury or contains zero added mercury. The pyrophosphate based on (P 2 O 7 ) content preferably comprises between about 0.001 and 2 percent by weight of the anode.

    Abstract translation: 锌/空气去极化的电池,其中阳极包含锌颗粒,含水碱性电解质和基于焦磷酸盐(P 2 O 7)的 > 4 - 添加剂。 该单元可以是按钮单元格的形式。 向锌阳极添加含焦磷酸盐的添加剂可提高电池的使用寿命,而不管锌与汞是汞齐还是不含汞。 基于(P 2 O 7)含量的焦磷酸盐优选占阳极重量的约0.001至2%。

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