A method for efficiently and safely discharging waste lithium-ion batteries

A lithium-ion battery, waste technology, applied in battery recycling, waste collector recycling, recycling technology and other directions, can solve the problems of electrolyzed water easily producing hydrogen and oxygen, affecting production efficiency, and having potential safety hazards, and achieving broad industrial application Prospects, improved discharge safety, low cost effect
CN106816663BActive Publication Date: 2020-09-08CENT SOUTH UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CENT SOUTH UNIV
Publication Date
2020-09-08

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Abstract

The invention discloses a method for efficiently and safely discharging a waste lithium-ion battery. The method is characterized in that the waste lithium-ion battery and a conductive powder containing medium are stirred and mixed and then stood for discharging. With the adoption of the method, the discharging efficiency and safety of the waste lithium-ion battery can be greatly improved; the discharging time is reduced; the cost is low; in addition, the technology is simple; and the method is applicable to mass application.
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Description

technical field

[0001] The invention relates to a treatment method for waste lithium-ion batteries, in particular to a high-efficiency and safe discharge method for waste lithium-ion batteries, and belongs to the field of waste lithium-ion battery recycling. Background technique

[0002] Lithium-ion batteries as power batteries—EV (pure electric vehicle), PHEV (plug-in hybrid electric vehicle) and HEV (hybrid electric vehicle) have entered a period of rapid growth. The International Energy Agency predicts that the total sales of HEV / PHEV / EV will reach 1,100 in 2015. million vehicles, reaching nearly 24 million vehicles in 2020, the market share of lithium-ion batteries in power batteries will gradually increase. As the largest lithium-ion battery production base in my country, the annual output of lithium-ion batteries exceeds 2 billion. BYD has established a power battery production base with a total production scale of 8Gwh, which can provide batteries for 600,000 hybrid c...

Claims

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