ELECTROCHEMICAL CELLS
    2.
    发明申请
    ELECTROCHEMICAL CELLS 审中-公开
    电化学细胞

    公开(公告)号:US20150194704A1

    公开(公告)日:2015-07-09

    申请号:US14412811

    申请日:2013-07-17

    Abstract: A lithium ion battery comprising (i) at least one anode, (ii) at least one cathode containing a cathode active material selected from lithium ion containing transition metal compounds having a content of Manganese of from 50 to 100% wt. based on the total weight of transition metal in the lithium ion containing transition metal compound, and (iii) at least one electrolyte composition containing •(A) at least one aprotic organic solvent, •(B) 0.01 up to less than 5% wt. based on the total weight of the electrolyte composition of at least one compound selected from the group consisting of lithium bis(oxalato)borate, lithium difluoro(oxalato)borate, lithium tetrafluoro(oxalato)phosphate, lithium oxalate, lithium (malonato oxalato)borate, lithium (salicylato oxalato)borate, lithium tris(oxalato)phosphate and vinylene carbonate compounds of formula (I), •(C) 0.01 up to less than 5% wt. based on the total weight of the electrolyte composition of at least one organic phosphonate or phosphate of general formula (IIa) or (IIb), respectively, •(D) at least one lithium salt different from compound (B), and •(E) optionally at least one further additive.

    Abstract translation: 一种锂离子电池,其包含(i)至少一个阳极,(ii)至少一个阴极,其包含选自含有50〜100重量%的锰含量的过渡金属化合物的正极活性物质。 基于含锂离子的过渡金属化合物中的过渡金属的总重量,和(iii)至少一种含有(A)至少一种非质子有机溶剂的电解质组合物,(B)0.01至少至少5重量% 。 基于电解质组合物的总重量,选自双(草酸)硼酸锂,二氟(草酸)硼酸锂,四氟(草酸)磷酸锂,草酸锂,(丙二酸二乙酯)硼酸锂, ,草酸锂(水杨酸根)硼酸锂,三(草酸根)磷酸锂和式(I)的碳酸亚乙烯酯化合物,•(C)0.01至小于5重量% 基于电解质组合物的至少一种有机膦酸酯或通式(IIa)或(IIb)的磷酸酯的总重量分别为:(D)至少一种不同于化合物(B)的锂盐,和(E )任选地至少一种另外的添加剂。

    PROCESS FOR PRODUCING RECHARGEABLE ELECTROCHEMICAL METAL-OXYGEN CELLS
    3.
    发明申请
    PROCESS FOR PRODUCING RECHARGEABLE ELECTROCHEMICAL METAL-OXYGEN CELLS 审中-公开
    生产可充电电化学金属氧化物电池的方法

    公开(公告)号:US20140065518A1

    公开(公告)日:2014-03-06

    申请号:US14011914

    申请日:2013-08-28

    Applicant: BASF SE

    Abstract: The invention relates to a process for producing a rechargeable electrochemical metal-oxygen cell, comprising at least one positive electrode, at least one negative metal-comprising electrode and at least one separator having two sides for separating the positive and negative electrodes, wherein, in one of the process steps, at least one side of the separator is coated with at least one material for forming one of the two electrodes (hereinafter referred to as electrode material) or at least one side of at least one of the two electrodes is coated with at least one material for forming the separator (hereinafter referred to as separator material) to form a separator-electrode assembly.

    Abstract translation: 本发明涉及一种用于生产可再充电电化学金属 - 氧电池的方法,该方法包括至少一个正电极,至少一个含负电极的电极和至少一个具有用于分离正极和负极两侧的隔板,其中, 其中一个工艺步骤,用至少一种用于形成两个电极之一的材料(以下称为电极材料)涂覆隔板的至少一侧,或者至少一个两个电极的至少一个被涂覆 与至少一种用于形成隔板的材料(以下称为隔板材料)以形成隔板 - 电极组件。

    ELECTROLYSIS OF Li2SO4 AT LOW PH RANGES

    公开(公告)号:US20250003099A1

    公开(公告)日:2025-01-02

    申请号:US18576396

    申请日:2022-07-07

    Applicant: BASF SE

    Abstract: Disclosed herein are processes comprising electrolyzing an aqueous solution comprising lithium, wherein the aqueous solution has a pH less than 0.5. Also disclosed are processes comprising electrolyzing a first aqueous solution comprising lithium to obtain a second aqueous solution comprising lithium, and an acidic aqueous solution having a pH less than 0.5, adjusting the pH of the second aqueous solution with the acidic aqueous solution to obtain a third aqueous solution comprising lithium having a pH less than 0.5, and electrolyzing the third aqueous solution comprising lithium. Additionally disclosed are, processes comprising stripping a liquid medium comprising lithium with an acidic aqueous solution to obtain an aqueous solution comprising lithium, and electrolyzing the aqueous solution comprising lithium. Further disclosed are processes for preparing a liquid medium comprising lithium.

    ACTIVE CATHODE MATERIAL AND ITS USE IN RECHARGEABLE ELECTROCHEMICAL CELLS
    7.
    发明申请
    ACTIVE CATHODE MATERIAL AND ITS USE IN RECHARGEABLE ELECTROCHEMICAL CELLS 有权
    活性阴极材料及其在可充电电化学电池中的应用

    公开(公告)号:US20150280235A1

    公开(公告)日:2015-10-01

    申请号:US14646142

    申请日:2014-02-03

    Applicant: BASF SE

    Abstract: The present invention relates to an active cathode material of the general formula (I): MxNiaM1bM2cOc (I) in which the variables are each defined as follows: M is an alkali metal, M1 is V, Cr, Mn, Fe or Co, M2 is Ge, Sn, Ti or Zr, x is in the range from 0.5 to 0.8, a is in the range from 0.1 to 0.4, b is in the range from 0.05 to 0.6, c is in the range from 0.05 to 0.6, wherein a+b+c=1. The present invention further relates to an electrode material comprising said active cathode material, to electrodes produced from or using said electrode material and to a rechargeable electrochemical cell comprising at least one electrode. The present invention further relates to a process for preparing said active cathode material of the general formula (I).

    Abstract translation: 本发明涉及通式(I)的活性阴极材料:MxNiM1bM2cOc(I),其中各变量各自定义如下:M为碱金属,M1为V,Cr,Mn,Fe或Co,M2 是Ge,Sn,Ti或Zr,x在0.5至0.8的范围内,a在0.1至0.4的范围内,b在0.05至0.6的范围内,c在0.05至0.6的范围内,其中 a + b + c = 1。 本发明还涉及包含所述活性阴极材料的电极材料,由或使用所述电极材料制成的电极和包括至少一个电极的可再充电电化学电池。 本发明还涉及制备所述通式(I)的活性阴极材料的方法。

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