Method for producing nickel sulfate solution for secondary battery from nickel cathode

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United States of America

PATENT NO 12258282
APP PUB NO 20240228321A1
SERIAL NO

18472603

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Abstract

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A method for producing a nickel sulfate solution includes a leaching step of leaching a nickel cathode in sulfuric acid under a high temperature and a high pressure to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step to produce a neutralized solution, and a filtration step of filtering the neutralized solution produced in the neutralization step to produce a filtrate.

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Patent Owner(s)

Patent OwnerAddress
KOREA ZINC CO LTD33 JONG-RO JONGNO-GU SEOUL 03159 03159
KEMCO33 JONG-RO JONGNO-GU SEOUL 03159 REPUBLIC OF KOREA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Heon Sik Ulsan, KR 19 0
Joo, Jae Hoon Ulsan, KR 14 40
Lee, Tae Kyung Seoul, KR 138 315

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