二酸化マンガン-カーボン系の造粒と成形 Granulating and Shaping of Manganese Dioxide and Carbon-based Material

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Many coin-shaped lithium batteries have anodes of manganese dioxide and carbon (graphite). Manganese dioxide and graphite differ so much in particle size distribution and apparent density that further granulation is needed to standardize them. The powder is then compressed and shaped into anode pellets. Methods of granulating and shaping anode material, however, are industrial secrets that have not yet been disclosed.<BR>In this study, manganese dioxide, and graphite (carbon)-based material were stirred and further granulated under various conditions. Average particle size and fine grain yield of the obtained powder were examined. The powder was shaped into pellets, whose hardness and electric resistance were measured. This elucidated the granulating time, binder liquid additive percentage, and binder concentration that produced small anode-pellet particles of high yield. The optimal conditions were found for shaping the powder into anode pellets of greater hardness and electric resistance.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 45(9), 872-876, 1998-09-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002052877
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    4566312
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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