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    • 4. 发明授权
    • Rechargeable lithium cell and process for making an anode for use in the
cell
    • 可充电锂电池和用于制造用于电池的阳极的方法
    • US5545468A
    • 1996-08-13
    • US213900
    • 1994-03-16
    • Nobuharu KoshibaKenichi TakataEmi AsakaMakoto Nakanishi
    • Nobuharu KoshibaKenichi TakataEmi AsakaMakoto Nakanishi
    • C01B31/02H01M4/131H01M4/1391H01M10/05H01M10/0525H01M10/0568H01M4/02
    • H01M4/485H01M10/0525H01M2300/0025H01M4/131H01M4/1391H01M4/505H01M4/525
    • A rechargeable lithium cell comprises a cathode having a discharge potential not less than 2 V relative to a Li/Li.sup.+ anode, an anode capable of doping and un-doping lithium and made of a material comprising a lithium titanate having a spinel structure and represented by the general formula, LixTiyO.sub.4 wherein 0.8.ltoreq.x.ltoreq.1.4 and 1.6.ltoreq.y.ltoreq.2.2, a separator separating the cathode and the anode from each other, and an electrolytic solution impregnated at least in the separator and dissolving a lithium salt in a non-aqueous solvent. When subjected to X-ray diffraction analysis, the material has peaks at least at 4.84.+-.0.02 angstroms, 2.53.+-.0.02 angstroms, 2.09.+-.0.02 angstroms and 1.48.+-.0.02 angstroms and a ratio of a peak intensity at 4.84.+-.0.02 angstroms and a peak intensity at 1.48.+-.0.02 angstroms of 100:30.+-.10. The material may consist of the lithium titanate or mixed crystals of the lithium titanate and rutile-type titanium dioxide. A process for making the anode is also described.
    • 可再充电锂电池包括相对于Li / Li +阳极具有不小于2V的放电电势的阴极,能够掺杂和不掺杂锂的阳极,并由包含尖晶石结构的钛酸锂的材料制成,并由 通式为LixTiyO4,其中0.8≤x≤1.4且1.6≤y≤2.2,将阴极和阳极彼此分隔开的分离器,以及至少浸入分离器中并溶解的电解液 在非水溶剂中的锂盐。 当进行X射线衍射分析时,材料具有至少在4.84 +/- 0.02埃,2.53 +/- 0.02埃,2.09 +/- 0.02埃和1.48 +/- 0.02埃的峰值以及峰强度 在4.84 +/- 0.02埃,峰值强度为1.48 +/- 0.02埃为100:30 +/- 10。 该材料可以由钛酸锂或钛酸锂和金红石型二氧化钛的混合晶体组成。 还描述了制造阳极的方法。
    • 7. 发明申请
    • Thin film for package of alkaline battery and thin air battery using the same
    • 薄膜用于包装碱性电池和稀薄空气电池使用相同
    • US20070077485A1
    • 2007-04-05
    • US10581113
    • 2005-04-19
    • Koshi TakamuraHarunari ShimamuraNobuharu Koshiba
    • Koshi TakamuraHarunari ShimamuraNobuharu Koshiba
    • H01M2/12H01M12/06
    • H01M12/06H01M2/0222H01M2/0255H01M2/0265H01M2/0287H01M4/8605
    • There is provided a thin air battery comprising a power-generating element including air diffusion paper and a water repellent film, the power-generating element sealed in a package composed of first and third sheet layers that cover the air electrode side and negative electrode side of the power-generating element, and a second sheet layer disposed in the peripheral portion between the two sheet layers and joined to the two sheet layers. The sheet layers are each composed of a thin film formed by stacking an alkali resistant polymer film having hydrogen gas permeability and a polymer film having gas barrier properties, and in each of the first and third sheet layers, the polymer film having hydrogen gas permeability is disposed on the internal surface side. According to the present invention, a thin air battery that has high energy density and has excellent long-term reliability is provided.
    • 提供了一种薄空气电池,其包括具有空气扩散纸和防水膜的发电元件,所述发电元件密封在由覆盖空气电极侧和负极侧的第一和第三片层组成的封装 所述发电元件和设置在所述两个片层之间的周边部分中并且接合到所述两个片层的第二片层。 片层各自由通过层叠具有氢气透过性的耐碱性聚合物膜和具有阻气性的聚合物膜形成的薄膜构成,并且在第一和第三片层中,具有氢气透过性的聚合物膜 设置在内表面侧。 根据本发明,提供了具有高能量密度并且具有优异的长期可靠性的稀薄空气电池。