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    • 2. 发明专利
    • Positive electrode active material, non-aqueous electrolyte secondary battery using this, and manufacturing method of positive electrode active material
    • 正极电极活性材料,使用此非电解电解质二次电池,以及正极电极活性材料的制造方法
    • JP2008135279A
    • 2008-06-12
    • JP2006320348
    • 2006-11-28
    • Sony Corpソニー株式会社
    • WATANABE HARUOSAGANE MASAYOSHIOYAMA YUUDAI
    • H01M4/02H01M4/36H01M4/505H01M4/525H01M10/05
    • H01M4/525H01M4/131H01M4/1391H01M4/366H01M4/485H01M4/505H01M10/0525
    • PROBLEM TO BE SOLVED: To provide a positive electrode active material with high capacity and superior in charge and discharge cycle characteristics, to provide a battery using this, and to provide a manufacturing method of the positive electrode active material.
      SOLUTION: The positive electrode 2 has a positive electrode active material. The positive electrode active material is provided with a covering layer which is installed at least at a part of compound oxide particles and has an oxide containing lithium (Li) and at least any of elements out of nickel (Ni), manganese (Mn), and cobalt (Co). A ratio (Ni(T)Co(S)/Ni(S)Co(T)) that is an atomic ratio (Ni(T)/Co(T)) of the total average nickel (Ni) and cobalt (Co) to an atomic ratio (Ni(S)/Co(S)) of nickel (Ni) and cobalt (Co) on the surface is larger than a ratio (Mn(T)Co(S)/Mn(S)Co(T)) that is an atomic ratio (Mn(T)/Co(T)) of the total average manganese (Mn) and cobalt (Co) to an atomic ratio (Mn(S)/Co(S)) of manganese (Mn) and cobalt (Co) on the surface.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供具有高容量和优异的充放电循环特性的正极活性材料,以提供使用其的电池,并提供正极活性物质的制造方法。 正极2具有正极活性物质。 所述正极活性物质具有覆盖层,所述覆盖层至少安装在复合氧化物粒子的一部分上,并具有包含锂(Li)和至少任一种元素(Ni),锰(Mn), 和钴(Co)。 作为总平均镍(Ni)和钴(Co)的原子比(Ni(T)/ Co(T))的比(Ni(T)Co(S)/ Ni(S)Co 表面上的镍(Ni)和钴(Co)的原子比(Ni(S)/ Co(S))大于Mn(T)Co(S)/ Mn(S)Co )(Mn)和钴(Co)与原子比(Mn(S)/ Co(S))的原子比(Mn(T)/ Co(T)) )和钴(Co)。 版权所有(C)2008,JPO&INPIT
    • 3. 发明专利
    • Magnetic recording medium
    • 磁记录介质
    • JP2002367144A
    • 2002-12-20
    • JP2001177401
    • 2001-06-12
    • Sony Corpソニー株式会社
    • SAGANE MASAYOSHIMIZUNO YUTAKASEKI KAZUE
    • C10M105/54C10M107/38C10N30/00C10N30/06C10N40/18G11B5/72G11B5/725G11B5/84
    • PROBLEM TO BE SOLVED: To provide a magnetic recording medium wherein lubrication effect lasts for a long time and excellent running properties and durability are realized by enhancing adhesion stability between a protective film and a lubricant. SOLUTION: The magnetic recording medium 1 is provided with a magnetic layer 3, the protective film 4 and the lubricant 5 in this order on a non-magnetic substrate 2. The surface (coming in contact with the lubricant 5) of the protective film 4 is subjected to UV irradiation treatment in an inert gas atmosphere. The lubricant 5 held on the protective film 4 contains e.g. a reaction product of HOOC-CF2 (OC2 F4 )p (OCF2 )q OCF2 -COOH to be a bifunctional perfluoropolyether having carboxyl groups at both ends and octadecyl amine (NH2 C18 H37 ) and C9 F19 -COOC18 H37 .
    • 要解决的问题:为了提供润滑效果持续很长时间的磁记录介质,通过提高保护膜和润滑剂之间的粘合稳定性,可以实现优异的运行性能和耐久性。 解决方案:磁记录介质1依次在非磁性基板2上设置有磁性层3,保护膜4和润滑剂5.保护膜4的表面(与润滑剂5接触) 在惰性气体气氛中进行紫外线照射处理。 保持在保护膜4上的润滑剂5含有例如 HOOC-CF2(OC2F4)p(OCF2)q OCF2 -COOH的反应产物为双端具有羧基的双功能全氟聚醚和十八烷基胺(NH 2 C 18 H 37)和C 9 F 19 -COOC 18 H 37。
    • 5. 发明专利
    • Cathode active material for nonaqueous electrolyte secondary battery, its manufacturing method, and nonaqueous electrolyte secondary battery
    • 非电解电解质二次电池阴极活性材料及其制造方法和非电解电解质二次电池
    • JP2008140747A
    • 2008-06-19
    • JP2006328635
    • 2006-12-05
    • Sony Corpソニー株式会社
    • WATANABE HARUOSAGANE MASAYOSHIMORITA KOSHIHOSOYA YOSUKE
    • H01M10/05H01M4/36H01M4/505H01M4/525H01M10/44
    • Y02P70/54
    • PROBLEM TO BE SOLVED: To realize an excellent charge/discharge cycle with high stability and high capacity, even in case a nonaqueous electrolyte secondary battery is used with a high charging voltage of ≥4.25 V.
      SOLUTION: On at least a part of a surface of a complex oxide particle with an average composition expressed in a chemical formula 1: Li
      (1+x) Co
      (1-y) MyO
      (2-z) , a coating layer containing a metal oxide mainly composed of an oxide of Nickel (Ni) containing lithium (Li), manganese (Mn) and cobalt (Co) with molybdenum ion without crystal phases, is provided. In addition, binding energy of 3d5/2 by XPS (X-ray Photoelectron Spectroscopy) of a molybdenum ion contained in the coating layer is structured to be ≤232.4 eV. Such a coating layer is formed by coating mixed powder made by pulverizing a metal compound mainly composed of Li, Ni, Mn and Mo on the surface of complex oxide particles, and calcining it.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了实现具有高稳定性和高容量的优异的充放电循环,即使在具有≥4.25V的高充电​​电压的情况下使用非水电解质二次电池的情况下。解决方案:在 具有以化学式1表示的平均组成的复合氧化物颗粒的表面的至少一部分:Li(SB)(1 + x)(1-y) SB(2-z),包含主要由含有锂(Li),锰(Mn)和钴(Co)的镍(Ni)的氧化物形成的金属氧化物的涂层与不含结晶相的钼离子 ,被提供。 此外,通过XPS(X射线光电子能谱法)将包含在涂层中的钼离子的结合能3d5 / 2构成为≤232.4eV。 通过将主要由Li,Ni,Mn和Mo组成的金属化合物粉碎成复合氧化物颗粒表面而制备的混合粉末,并对其进行煅烧,形成这样的涂层。 版权所有(C)2008,JPO&INPIT