Title:
AQUEOUS SOLUTION AND METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE SUBSTANCE FOR LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2024/096056
Kind Code:
A1
Abstract:
This aqueous solution contains Li, a peroxo complex of an element α, ammonium ions, and nitric acid ions. The element α is at least one element selected from the group consisting of Nb, Ti, Ta, Zr, W, Mo and V. The aqueous solution has a mass molar concentration ratio of ammonium ions and the element α (NH4
+/α) of less than 4.5, and a mass molar concentration of nitric acid ions (NO3
-) of less than 4.0 × 10-3 mol/kg.
Inventors:
KADOWAKI TAKUYA (JP)
CHOI YONGSEOK (JP)
CHOI YONGSEOK (JP)
Application Number:
PCT/JP2023/039414
Publication Date:
May 10, 2024
Filing Date:
November 01, 2023
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C01G53/00; H01M4/36; H01M4/505; H01M4/525
Foreign References:
| JP2022080964A | 2022-05-31 | |||
| JP2020164401A | 2020-10-08 | |||
| JP2018002581A | 2018-01-11 | |||
| JP2017160081A | 2017-09-14 | |||
| JP2017191667A | 2017-10-19 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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