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Ex-service battery sorting method

A sorting and battery technology, applied in battery recycling, secondary battery repair/maintenance, recycling technology, etc., can solve the problems of battery attenuation and high cost, improve utilization rate, reduce battery cost sharing, and promote a virtuous cycle. Effect

Inactive Publication Date: 2018-01-30
CHINA AVIATION LITHIUM BATTERY LUOYANG
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Problems solved by technology

[0005] The purpose of the present invention is to provide a sorting method for decommissioned batteries to solve the problems of severe battery attenuation and high cost in the current sorting process of decommissioned batteries

Method used

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Embodiment Construction

[0020] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0021] The decommissioned battery sorting method of the present invention first disassembles decommissioned battery packs into battery modules, and evaluates the state of the battery modules; The standard battery module is disassembled into single cells again; finally, the state of the single cells is evaluated to determine whether the state of the single cells meets the second set standard, and the single cells that meet the second set standard are sorted out , to recycle the monomers that do not meet the second set standard. The principle of the sorting method is as follows figure 1 As shown, the specific implementation process of the sorting method of the present invention will be described in detail below taking decommissioned power batteries on electric vehicles as an example.

[0022] 1. Classify and pre-treat decommissioned power ba...

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Abstract

The invention relates to an ex-service battery sorting method, and belongs to the technical field of battery ex-service treatment. Firstly, an ex-service battery pack is disassembled into battery modules, and the states of the battery modules are assessed. Secondly, the battery modules with the states conforming to a first set standard are sorted, and the battery modules not conforming to the first set standard are disassembled into single batteries again. Finally, the states of the single batteries are assessed, whether the states of the single batteries conform to a second set standard or not can be judged, the single batteries conforming to the second set standard are sorted, and the single batteries not conforming to the second set standard are recycled. By hierarchical graded cascadeutilization, the utilization rate of ex-service batteries is increased, the value of power batteries can be brought into full play, the apportioned cost of the batteries in cascade utilization fieldscan be reduced, energy is saved, consumption is reduced, and virtuous cycle of a new energy industry is promoted.

Description

technical field [0001] The invention relates to a method for sorting decommissioned batteries, which belongs to the technical field of battery decommissioning treatment. Background technique [0002] With the strong support of the state, my country's new energy automobile industry has developed rapidly, especially since 2014, the market has experienced explosive growth. According to statistics from the China Association of Automobile Manufacturers, the sales volume of new energy vehicles in China reached 507,000 in 2016, and the cumulative market volume reached 1 million. In 2015, the output of new energy vehicles in my country was 340,500, accounting for more than 60% of the global output of more than 500,000; the cumulative amount of scrapped lithium batteries was about 20,000 to 40,000 tons, and the market capacity was huge. It is predicted that by around 2020, the cumulative amount of scrapped power batteries in my country is expected to reach 200,000 tons. The retired...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/54H01M10/42
CPCY02E60/10Y02W30/84
Inventor 高万兵高文超赵艳艳薛利峰王楠李新旺李肖肖
Owner CHINA AVIATION LITHIUM BATTERY LUOYANG
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