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    • 51. 发明申请
    • APPARATUS FOR MEASURING THE PRESSURE INSIDE A RECHARGEABLE ELECTROCHEMICAL CELL
    • 用于测量可充电电化学细胞内的压力的装置
    • WO1994001745A1
    • 1994-01-20
    • PCT/US1993006467
    • 1993-07-09
    • OVONIC BATTERY COMPANY, INC.
    • OVONIC BATTERY COMPANY, INC.VENKATESAN, SrinivasanBURKE, GeorgeLAMING, KenDHAR, Subhash, K.
    • G01L07/00
    • H01M10/48G01M3/3272
    • An apparatus for accurately measuring pressure within a rechargeable cell (16), the apparatus comprising: a frame, the frame including at least one cavity adapted to releasably seat a rechargeable cell; a fixed brace defining a first end of the at least one cavity; a movable brace defining the end of the at least one cavity opposite from the fixed brace, the movable brace including a hollow needle, the hollow needle having a pointed end which is operatively directed toward one end of a rechargeable cell disposed inthe cavity, and means for sealing a point where the hollow needle is inserted into a rechargeable cell; a pressure transducer operatively connected with the hollow needle; and means for controllably moving the movable brace relative to the fixed brace, whereby the hollow needle is adapted for insertion into and removal from a rechargeable cell disposed in the cavity.
    • 一种用于精确测量可再充电电池(16)内的压力的装置,所述装置包括:框架,所述框架包括适于可释放地固定可再充电电池的至少一个空腔; 限定所述至少一个空腔的第一端的固定支架; 可移动支架,其限定与固定支架相对的至少一个空腔的端部,所述可移动支架包括中空针,所述中空针头具有可操作地指向设置在空腔中的可再充电电池的一端的尖端,以及装置 用于密封中空针插入可再充电电池中的点; 与中空针可操作地连接的压力传感器; 以及用于相对于固定支架可控地移动可移动支架的装置,由此中空针适于插入并从设置在腔中的可充电电池移除。
    • 56. 发明申请
    • COMPOSITE CATHODE MATERIALS HAVING IMPROVED CYCLE LIFE
    • 复合阴极材料具有改善的循环寿命
    • WO2014142957A1
    • 2014-09-18
    • PCT/US2013/032009
    • 2013-03-15
    • OVONIC BATTERY COMPANY, INC.
    • REICHMAN, BenjaminMAYS, WilliamWONG, Diana
    • H01M4/131H01M4/1391
    • H01M10/0525H01M4/131H01M4/1391H01M4/525
    • Lithiated composite materials and methods of manufacture are provided that are capable of imparting excellent capacity and greatly improved cycle life in lithium-ion secondary cells. By supplementing a high nickel content lithium storage material with a transition metal oxide lithium storage material or a dopant at relatively low levels, the capacity of the high nickel content lithium storage materials is maintained while cycle life is dramatically improved. These characteristics are promoted by methods of producing the materials that intermix unlithiated precursor materials with a lithium source and sintering the materials together in a single sintering reaction. The resulting lithiated composite materials provide for the first time both high capacity and excellent cycle life to predominantly high nickel content electrodes.
    • 提供了锂化复合材料及其制造方法,其能够赋予锂离子二次电池优异的容量并大大改善循环寿命。 通过用过渡金属氧化物锂储存材料或掺杂剂以相对较低的水平补充高镍含量锂储存材料,高镍含量锂储存材料的容量得以维持,同时循环寿命显着提高。 通过生产将未锂化的前体材料与锂源混合并在单一烧结反应中将材料一起烧结的材料的方法来促进这些特性。 由此产生的锂化复合材料首次提供高容量和优异的循环寿命,以高镍含量电极为主。