Title:
ジフルオロリン酸塩の精製方法
Document Type and Number:
Japanese Patent JP6580131
Kind Code:
B2
Abstract:
Disclosed is a method for purifying a difluorophosphate, the method including mixing a difluorophosphate containing an impurity with at least one treatment agent selected from the group consisting of carbonates, hydroxides, and halides of alkali metals or alkali earth metals and amines to isolate the impurity. It is preferable that the method further include filtering off, by filtration, a salt or a complex that has been formed by allowing the impurity to be mixed with the treatment agent. Preferably, a carbonate, a hydroxide, or a halide of an alkali metal is used as the treatment agent, and more preferably a carbonate, a hydroxide, or a halide of lithium is used as the treatment agent.
Inventors:
Hiroki Takizawa
Yoshiyama Kazuhide
Kyusuke Keisuke
Wataru Kashiwakura
Takuro Abe
Mitsuharu Shimoda
Omae Osamu
Uehara Hiroyuki
Yoshiyama Kazuhide
Kyusuke Keisuke
Wataru Kashiwakura
Takuro Abe
Mitsuharu Shimoda
Omae Osamu
Uehara Hiroyuki
Application Number:
JP2017515545A
Publication Date:
September 25, 2019
Filing Date:
April 26, 2016
Export Citation:
Assignee:
Kanto Denka Kogyo Co., Ltd.
International Classes:
C01B25/455; H01M10/0567; H01M10/0568
Domestic Patent References:
| JP2014132576A | ||||
| JP2015013795A | ||||
| JP2015013796A | ||||
| JP2015044701A | ||||
| JP2008222484A | ||||
| JP2015533767A |
Attorney, Agent or Firm:
Showa International Patent Office