Title:
ＮｉもしくはＣｏの少なくとも一方の回収の前処理方法
Document Type and Number:
Japanese Patent JP7210827
Kind Code:
B2
Abstract:
Provided is a method for recovering and removing high-value Li and Cu or the like that reduces the value of a recovered product as the recovered product before recovering Ni/Co such as nickel and cobalt. The invention provides a pretreatment method for Ni/Co recovery, which is performed before performing a recovery process for recovering Ni/Co from a used secondary battery and from a waste product during the production of a secondary battery or a positive electrode material. Volatilization and Li recovery are performed under treatment conditions satisfying a desired relationship, wherein the temperature is T [K], the treatment time is t [h], and the pressure is P [Pa].
Inventors:
Taku Sakuma
Wang Changlin
Kentaro Urata
Wang Changlin
Kentaro Urata
Application Number:
JP2019190216A
Publication Date:
January 24, 2023
Filing Date:
October 17, 2019
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
International Classes:
C22B23/00; B09B5/00; C22B1/02; C22B7/00; C22B15/00; C22B26/12; H01M10/54
Domestic Patent References:
| JP2016022395A | ||||
| JP2014227565A |
Attorney, Agent or Firm:
Mikio Yasuda