Recycling method of waste lithium ion battery

Recycling method of waste lithium ion battery

The invention discloses a recycling method of a waste lithium ion battery. The recycling method comprises the following steps: discharging the waste battery; forming holes in the battery shell for electrolyte drainage, collecting the electrolyte, and after collection is completed, injecting an organ...

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Hauptverfasser: JIANG DONGHAO, DOU YUANYUN, YAN ZICONG
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator JIANG DONGHAO
DOU YUANYUN
YAN ZICONG
description The invention discloses a recycling method of a waste lithium ion battery. The recycling method comprises the following steps: discharging the waste battery; forming holes in the battery shell for electrolyte drainage, collecting the electrolyte, and after collection is completed, injecting an organic solvent into the holes to soak and lead out the electrolyte which does not flow out; disassembling the battery, and separating a positive plate, a negative plate and a diaphragm; soaking the positive plate in deionized water containing a Fenton reagent, performing ultrasonic oscillation, and screening out a positive current collector; carrying out solid-liquid separation on the soaking solution, and drying an obtained solid material to obtain a positive electrode material; placing the negative electrode plate in deionized water, and screening out a negative electrode current collector after ultrasonic oscillation soaking; and carrying out solid-liquid separation on the soaking solution, and drying an obtained so
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Recycling method of waste lithium ion battery
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