Co-grinding LiCoO2 with PVC and water leaching of metal chlorides formed in ground product

Shu Saeki, Jaeryeong Lee, Kibu Chiyo, Fumio Saito

研究成果: Article査読

97 被引用数 (Scopus)

抄録

LiCo2 was subjected to co-grinding with PVC using a planetary ball mill to form Co- and Li-chlorides mechanochemically in the product. Subsequently, the ground product was dispersed in water to extract the chlorides. The grinding facilitates mechanochemical (MC) reaction, and the extraction yields of both Co and Li are improved as the grinding progresses. The 30-min grinding enables us to reach over 90% for Co and nearly 100% for Li. Accordingly, about 90% of chlorine in the PVC sample has been transformed into the inorganic chlorides by the time. This would be an effective method for recovering Co and Li from lithium-ion secondary (LIS) battery wastes.

本文言語English
ジャーナルInternational Journal of Mineral Processing
74
SUPPL.
DOI
出版ステータスPublished - 2004 12月 10

ASJC Scopus subject areas

  • 地盤工学および土木地質学
  • 地球化学および岩石学

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