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Recycling method and device of lithium ion battery positive electrode material

A technology for lithium-ion batteries and positive electrode materials, which is applied in the field of lithium-ion battery positive electrode material recycling, can solve the problems of insufficient aluminum recycling purity and resource loss, and achieve the effect of saving resources and improving recycling purity

Inactive Publication Date: 2018-10-16
祝融峰
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The main purpose of this application is to provide a method for recycling positive electrode materials of lithium-ion batteries to solve the problem of lithium cobalt oxide sticking to fine aluminum foil powder in the prior art, resulting in insufficient purity of aluminum recovery and loss of resources

Method used

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  • Recycling method and device of lithium ion battery positive electrode material
  • Recycling method and device of lithium ion battery positive electrode material
  • Recycling method and device of lithium ion battery positive electrode material

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Embodiment Construction

[0040] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0041] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for...

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Abstract

The invention discloses a recycling method and device of a lithium ion battery positive electrode material. The recycling method of the lithium ion battery positive electrode material comprises the steps of smashing the lithium ion battery positive electrode material to be recycled to obtain material powder; sorting the material powder by a screening machine and a wind shaking table to obtain aluminum foil powder attached with lithium cobaltate impurity; and placing the aluminum foil powder attached with the lithium cobaltate impurity in an aprotic polar solvent for washing, and leaching the aluminum foil powder attached with the lithium cobaltate impurity to obtain qualified aluminum foil powder. The recycling device of the lithium ion battery positive electrode material comprises a smashing device, a screening device, an air separation device, a washing device, a distillation device and a roasting device. By the recycling method and the recycling device, the problem that lithium cobaltate can be attached onto mechanically-processed fine aluminum foils in a mechanical smashing and separation method in the prior art to cause insufficient aluminum recycling purity and resource lossis solved.

Description

technical field [0001] The present application relates to the field of battery materials, in particular, to a method and device for recovering positive electrode materials of lithium-ion batteries. Background technique [0002] Lithium-ion batteries are widely used in mobile electronic equipment, medical equipment, new energy vehicles and other fields, and the output is increasing year by year. Correspondingly, the demand for resources including lithium and various non-ferrous metals, as well as the impact of waste batteries and production waste on the environment are gradually increasing, so the recycling of lithium-ion battery-related materials is becoming more and more important. [0003] The current recycling process is mainly a mechanical crushing and separation method, which uses a pulverizer to crush the positive electrode material of the lithium-ion battery into fine particles, and then sieves the fine particles to obtain aluminum foil materials with high value. [...

Claims

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Application Information

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IPC IPC(8): H01M10/54B09B3/00B09B5/00
CPCY02W30/84H01M10/54B09B3/00B09B5/00
Inventor 祝融峰
Owner 祝融峰
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