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    • 9. 发明申请
    • Carbon material for battery electrode and production method and use thereof
    • 电池用电极用碳材料及其制造方法及其应用
    • US20060133980A1
    • 2006-06-22
    • US10559615
    • 2004-06-04
    • Youichi NanbaMasataka TakeuchiAkinori SudohSatoshi Iinou
    • Youichi NanbaMasataka TakeuchiAkinori SudohSatoshi Iinou
    • H01M4/58H01M8/02
    • H01M4/133H01M4/364H01M4/366H01M4/587H01M4/62H01M8/0213H01M8/0221H01M8/0226H01M10/052
    • The invention relates to a carbon material for forming a battery electrode, comprising carbon powder having a homogeneous structure which is produced by causing an organic compound, serving as a ra.w material of a polymer, to deposit onto and/or permeate into carbonaceous particles, and subsequently polymerizing the organic compound, followed by thermal treatment at a temperature of 1,800 to 3,300° C., which comprises a structure which is substantially uniform throughout the entirety of the particle from the surface to the central core where a graphite crystal structure region and an amorphous structure region are distributed. By using the material, a battery having high discharging capacity and low irreversible capacity, with excellent coulombic efficiency and excellent cycle characteristics can be fabricated. The carbon material of the invention may contain carbon fiber filaments. Average roundness, BET specific surface area, true density, laser Roman R value, and average particle size were investigated.
    • 本发明涉及一种用于形成电池电极的碳材料,其包含具有均匀结构的碳粉末,其通过使作为聚合物的ra.w材料的有机化合物沉积到和/或渗透到碳质颗粒中而制备 然后使有机化合物聚合,然后在1,800至3300℃的温度下进行热处理,该温度包括从表面到中心核心的整个颗粒基本均匀的结构,其中石墨晶体结构区域 并且分布了非晶结构区域。 通过使用该材料,可以制造具有高放电容量和低不可逆容量的电池,具有优异的库仑效率和优异的循环特性。 本发明的碳材料可以含有碳纤维长丝。 研究了平均圆度,BET比表面积,真密度,激光罗氏R值和平均粒径。