PROCESSES FOR PREPARING HYDROXIDES AND OXIDES OF VARIOUS METALS AND DERIVATIVES THEREOF

Title:

PROCESSES FOR PREPARING HYDROXIDES AND OXIDES OF VARIOUS METALS AND DERIVATIVES THEREOF

Document Type and Number:

Japanese Patent JP2023134439

Kind Code:

A

Abstract:

To provide a process that can reduce the manufacturing cost of hydroxides, which serve as raw materials for cathode materials of lithium-ion batteries.SOLUTION: A process for preparing a metal hydroxide comprises reacting a metal sulfate comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese and aluminum with sodium hydroxide and optionally a chelating agent in order to obtain a solid comprising the metal hydroxide and a liquid comprising sodium sulfate; separating the liquid and the solid from one another to obtain the metal hydroxide; submitting the liquid comprising sodium sulfate to an electromembrane process for converting sodium sulfate into sodium hydroxide; and reusing the sodium hydroxide obtained by the electromembrane process for reacting with the metal sulfate.SELECTED DRAWING: Figure 27

More Like This:

JP5823293	Semiconductor powder and its manufacturing method
JP4293791	Objects containing anionic clay produced by insitu
WO/1987/002033	PARTICULATE COMPOSITIONS OF FERROMAGNETIC METAL OXALATES IN THE FORM OF SUBMICRONIC NEEDLE SHAPED PARTICLES, PREPARATION AND APPLICATION THEREOF

Inventors:

GUY BOURASSA
JEAN-FRANCOIS MAGNAN
NICOLAS LAROCHE
THOMAS BIBIENNE
MATHIEU CHARBONNEAU
MICKAEL DOLLE

Application Number:

JP2023097816A

Publication Date:

September 27, 2023

Filing Date:

June 14, 2023

Export Citation:

Click for automatic bibliography generation Help

Assignee:

NEMASKA LITHIUM INC

International Classes:

C01G51/00; C01G53/00; H01M4/505; H01M4/525

Attorney, Agent or Firm:

Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito

Previous Patent: display device

Next Patent: Semi-persistent scheduling for low-latency communication