会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明专利
    • Negative electrode material, nonaqueous electrolyte secondary battery, and method for manufacturing negative electrode material
    • 负极电极材料,非水电解质二次电池及制造负极电极材料的方法
    • JP2011198614A
    • 2011-10-06
    • JP2010064075
    • 2010-03-19
    • Toyota Industries Corp株式会社豊田自動織機
    • SUZUKI SHINJIMAEHARA YUKI
    • H01M4/38H01M4/36H01M4/48H01M4/58
    • H01M4/38H01M4/134H01M4/366H01M4/625
    • PROBLEM TO BE SOLVED: To provide a negative electrode material which can improve the cycle properties of a nonaqueous electrolyte secondary battery, a method for manufacturing the negative electrode material, and a nonaqueous electrolyte secondary battery using the negative electrode material.SOLUTION: A coating layer 20 comprising a silicon material and carbon fibers is laminated on the outside of a silicon core 10 comprising a negative electrode material in a particulate form. The coating layer 20 is so composed that a first region 21 thereof which is located at the boundary with the silicon core 10 contains the carbon fibers and a second region 22 which is located on the outside of the first region 21 contains the silicon material and the carbon fibers. The content of the carbon fibers is larger than that of the silicon material in the first region 21, and the content of the silicon material in the second region 22 is 50 mass% or more based on the total mass (100 mass%) of the second region.
    • 要解决的问题:提供一种可以改善非水电解质二次电池的循环性能的负极材料,负极材料的制造方法和使用该负极材料的非水电解质二次电池。解决方案:涂层 20包含硅材料,并且碳纤维层压在包含颗粒形式的负极材料的硅芯10的外侧。 涂层20被构成为其位于与硅芯10的边界处的第一区域21包含碳纤维,位于第一区域21的外侧的第二区域22包含硅材料,并且 碳纤维。 碳纤维的含量比第一区域21中的硅材料的含量大,第二区域22中的硅材料的含量相对于第一区域21的总质量(100质量%)为50质量%以上 第二区。
    • 4. 发明专利
    • Electrode for nonaqueous secondary battery and method for manufacturing the same
    • 非电解二次电池用电极及其制造方法
    • JP2010232077A
    • 2010-10-14
    • JP2009079846
    • 2009-03-27
    • Toyota Industries Corp株式会社豊田自動織機
    • MAEHARA YUKIISHIKAWA HIDEAKIMIYOSHI MANABUMURASE KIMITOSHI
    • H01M4/62H01M4/134H01M4/1395H01M4/38
    • Y02P70/54
    • PROBLEM TO BE SOLVED: To provide an electrode for a nonaqueous secondary battery, capable of suppressing deterioration of battery performance accompanied with pulverization of active material caused by repetition of charge and discharge, and to provide a method for manufacturing the same. SOLUTION: The electrode is obtained by a preparing process of an electrode mixture for obtaining an electrode mixture by mixing an active material containing Si contained powder, composed of silicon and/or silicon compound, an electric conduction assistant composed of carbon powder containing aggregated particles with a knitting ball shape formed, by entangling carbon fibers which have an average fiber diameter of 5 nm or more to 100 nm or less and an average fiber length of 1 μm or more to 6 μm or less, and a binder, and by a coating process for coating a collector with the electrode mixture. In the electrode, there exist the active material, the electrically conducting assistants, and the binder binding the active material and the electrically conducting assistants, and the carbon fibers partially exist in an aggregated state. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种非水二次电池用电极,其能够抑制由于重复进行充放电而引起的活性物质粉碎的电池性能的劣化,并提供其制造方法。 解决方案:通过电极混合物的制备方法获得电极,该电极混合物通过混合包含由硅和/或硅化合物组成的含Si粉末的活性材料,由含有 通过缠结平均纤维直径为5nm以上至100nm以下且平均纤维长度为1μm以上至6μm以下的碳纤维和粘合剂,形成有针织球形状的聚集颗粒,以及 通过用电极混合物涂覆收集器的涂布方法。 在电极中,存在活性物质,导电助剂和粘合活性物质和导电助剂的粘合剂,碳纤维部分以聚集状态存在。 版权所有(C)2011,JPO&INPIT