Method for recycling battery by incomplete extraction

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United States of America Patent

PATENT NO 11920213
APP PUB NO 20230272503A1
SERIAL NO

18246671

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Abstract

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Disclosed is an incomplete extraction method for recycling batteries, which may include: introducing a pretreatment gas into a device loaded with a waste battery powder, and bringing a gas outlet into communication with absorption liquid A and absorption liquid B in order; raising the temperature and introducing the pretreatment gas; reducing the temperature and introducing a reaction gas; raising the temperature, introducing the reaction gas, and then introducing the pretreatment gas; and reducing the temperature, and turning off the pretreatment gas; adding an extractant to absorption liquid A, mixing the mixture, taking organic phase A, adding a stripping agent, and taking aqueous phase A; and adjusting the pH to acidity, then adding an extractant, taking organic phase B, adding a stripping agent to obtain a stock solution enriched in Li, Mn, Ni and Co.

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Patent Owner(s)

Patent OwnerAddress
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD528000 BLOCKS 2 7 AND 9 NO 6 ZHIXIN AVENUE LEPING TOWN SANSHUI DISTRICT FOSHAN CITY GUANGDONG PROVINCE FOSHAN CITY GUANGDONG PROVINCE 528000
HUNAN BRUNP RECYCLING TECHNOLOGY CO LTDNO 508 JINNING EAST ROAD NINGXIANG HI TECH INDUSTRIAL PARK CHANGSHA HUNAN 410000 CHANGSHA CITY HUNAN PROVINCE 410000
HUNAN BRUNP EV RECYCLING CO LTDNO 459 SECTION 3 JINZHOU AVENUE HI-TECH ZONE NINGXIANG CHANGSHA HUNAN 410600

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Peng, Ting Foshan, CN 13 19
Xie, Yinghao Foshan, CN 98 3
Yu, Haijun Foshan, CN 109 18
Zhang, Xuemei Foshan, CN 143 1444

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