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    • 2. 发明授权
    • Negative electrode material for non-aqueous liquid electrolyte secondary
cell and non-aqueous liquid electrolyte secondary cell employing same
    • 用于非水电解液二次电池的负极材料和使用该非水电解质二次电池的非水电解液二次电池
    • US5834138A
    • 1998-11-10
    • US737285
    • 1995-11-06
    • Shinichiro YamadaHiroyuki AkashiHiroshi ImotoHideto AzumaKenichi KitamuraMomoe AdachiTerue SasakiKohichi Tanaka
    • Shinichiro YamadaHiroyuki AkashiHiroshi ImotoHideto AzumaKenichi KitamuraMomoe AdachiTerue SasakiKohichi Tanaka
    • H01M4/133H01M4/587H01M6/14H01M4/96
    • H01M4/583H01M10/0525
    • A negative electrode material for a secondary cell for a non-aqueous liquid electrolyte for realizing a high charging/discharging capacity and a high discharging efficiency, a method for producing such material and a non-aqueous liquid electrolyte secondary cell employing such material. The negative electrode material contains at least one carbonaceous material selected from the group consisting of coffee beans, tea leaves, cane sugar, corns, fruits, straws of cereals and husks of cereals, a carbonaceous material derived from a plant-origin high molecular material containing a sum total of 0.2 to 20 wt % of metal elements, phosphorus and sulphur calculated as elements or a carbonaceous material having a diffraction peak between 30.degree. and 32.degree. of the 2.theta. diffraction angle in the X-ray (CuK.alpha.) powder diffraction pattern. For producing the negative electrode material, at least one carbonaceous material selected from the group consisting of coffee beans, tea leaves, cane sugar, corns, fruits, straws of cereals and husks of cereals, or crystalline or fibrous cellulose admixed with at least one of metal elements, phosphorus or sulphur, is sintered for carbonization. The negative electrode material is used for a non-aqueous liquid electrolyte secondary cell having a positive electrode formed of a lithium compound oxide and a negative electrode formed of a carbonaceous negative electrode material capable of doping and dedoping lithium ions as an active negative electrode material.
    • PCT No.PCT / JP96 / 00548 Sec。 371日期:1996年11月6日 102(e)日期1996年11月6日PCT 1996年3月6日PCT公布。 第WO96 / 27911号公报 日期1996年12月9日为了实现高充放电能力和高放电效率的非水电解液二次电池用负极材料,这种材料的制造方法以及采用 这样的材料。 负极材料含有至少一种选自咖啡豆,茶叶,蔗糖,玉米,水果,谷物和谷类的谷物的碳质材料,衍生自植物来源的高分子材料的含碳材料含有 在X射线(CuKα)粉末衍射中,作为元素计算的金属元素总计为0.2〜20重量%,作为元素计算的磷和硫,或衍射峰为30度〜32度的2θ衍射角的碳质材料 模式。 为了生产负极材料,选自咖啡豆,茶叶,蔗糖,玉米,水果,麦片和麦片的至少一种碳质材料或与以下中的至少一种混合的结晶或纤维状纤维素 金属元素,磷或硫,被烧结以进行碳化。 负极材料用于具有由锂复合氧化物形成的正极和由能够掺杂和去掺杂锂离子的碳质负极材料形成的负极作为活性负极材料的非水电解质二次电池。
    • 6. 发明授权
    • Negative electrode material for non-aqueous liquid electrolyte secondary
cell, method for producing same and non-aqueous liquid electrolyte
secondary cell employing same
    • 非水电解液二次电池用负极材料及其制造方法以及使用其的非水电解液二次电池
    • US5972536A
    • 1999-10-26
    • US52503
    • 1998-03-31
    • Shinichiro YamadaHiroyuki AkashiHiroshi ImotoHideto AzumaKenichi KitamuraMomoe AdachiTerue SasakiKohichi Tanaka
    • Shinichiro YamadaHiroyuki AkashiHiroshi ImotoHideto AzumaKenichi KitamuraMomoe AdachiTerue SasakiKohichi Tanaka
    • H01M4/133H01M4/587H01M4/60
    • H01M4/583H01M10/0525
    • A negative electrode material for a secondary cell for anon-aqueous liquid electrolyte for realizing a high charging/discharging capacity and a high discharging efficiency, a method for producing such material and a non-aqueous liquid electrolyte secondary cell employing such material. The negative electrode material contains at least one carbonaceous material selected from the group consisting of coffee beans, tea leaves, cane sugar, corns, fruits, straws of cereals and husks of cereals, a carbonaceous material derived from a plant-origin high molecular material containing a sum total of 0.2 to 20 wt % of metal elements, phosphorus and sulphur calculated as elements or a carbonaceous material having a diffraction peak between 30.degree. and 32.degree. of the 2.theta. diffraction angle in the X-ray (CuK.alpha.) powder diffraction pattern. For producing the negative electrode material, at least one carbonaceous material selected from the group consisting of coffee beans, tea leaves, cane sugar, corns, fruits, straws of cereals and husks of cereals, or crystalline or fibrous cellulose admixed with at least one of metal elements, phosphorus or sulphur, is sintered for carbonization. The negative electrode material is used for a non-aqueous liquid electrolyte secondary cell having a positive electrode formed of a lithium compound oxide and a negative electrode formed of a carbonaceous negative electrode material capable of doping and dedoping lithium ions as an active negative electrode material.
    • 用于实现高充电/放电容量和高放电效率的用于非水电解液的二次电池的负极材料,这种材料的制造方法和使用这种材料的非水电解液二次电池。 负极材料含有至少一种选自咖啡豆,茶叶,蔗糖,玉米,水果,谷物和谷类的谷物的碳质材料,衍生自植物来源的高分子材料的含碳材料含有 在X射线(CuKα)粉末衍射中,作为元素计算的金属元素总计为0.2〜20重量%,作为元素计算的磷和硫,或衍射峰为30度〜32度的2θ衍射角的碳质材料 模式。 为了生产负极材料,选自咖啡豆,茶叶,蔗糖,玉米,水果,麦片和麦片的至少一种碳质材料或与以下中的至少一种混合的结晶或纤维状纤维素 金属元素,磷或硫,被烧结以进行碳化。 负极材料用于具有由锂复合氧化物形成的正极和由能够掺杂和去掺杂锂离子的碳质负极材料形成的负极作为活性负极材料的非水电解质二次电池。