Comprehensive recovery processing method of ternary power battery material

A battery material and recycling technology, which is applied in battery recycling, recycling technology, waste collector recycling, etc., can solve the problems of slow metal material recovery efficiency, low metal recovery rate, complicated process steps, etc., and is beneficial to modification , strong activity, and the effect of improving dispersibility

Pending Publication Date: 2022-08-09
HUNAN SHIJI YINTIAN NEW MATEIRALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing battery material recovery, the recovery efficiency of metal materials is slow, the recovery is not comprehensive, and the metal recovery rate is low. In addition, the process steps are complicated and the process efficiency is low. Based on this, the present invention provides a comprehensive recovery process for ternary power battery materials method

Method used

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Examples

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Effect test

preparation example Construction

[0048] The preparation method of the chitosan additive modifier of the present embodiment is:

[0049] Mix chitosan and citric acid in a weight ratio of 1:3, then add them to water that is 5-9 times the total amount of chitosan, and then add 1-5% of titanium oxide and 1-3% of the total amount of chitosan. The lanthanum sulfate solution is fully mixed and stirred to obtain the chitosan additive modifier.

[0050] The mass fraction of the lanthanum sulfate solution in this embodiment is 5-10%.

[0051] The vacuum melting temperature in this embodiment is 680-720° C., and the melting is 40-50 minutes.

[0052] The concrete steps of the electrolytic treatment of the present embodiment are:

[0053] Step 1: First use PVDF adhesive and smelt to mix according to the weight ratio of 1:4, and then coat the electrode with a thickness of 1-3mm to form a cathode;

[0054] Step 2: electrolytic treatment with a voltage of 1-3V for 1-2min;

[0055] Step 3: The anode attachments are colle...

Embodiment 1

[0058] The invention of this embodiment provides a comprehensive recycling and processing method for ternary power battery materials, comprising the following steps:

[0059]Step 1: Preparation of modified liquid:

[0060] S01: add 10 parts of sodium lauryl sulfate to 30 parts of sodium alginate aqueous solution, stir and mix well, then add hydrochloric acid to adjust the pH value to 5.0;

[0061] S02: The modified graphene is added to the S01 product according to the weight ratio of 1:5, and then the silane coupling agent KH560 of 3% of the total amount of modified graphene and 2% of chitosan are added to add the modifier, and the mixture is stirred and mixed. sufficient to obtain a modified liquid;

[0062] Step 2: The battery material is first fed into the modification solution according to the weight ratio of 1:7, modified, stirred and mixed, then washed with water, dried, and then ball-milled to pass 30 mesh;

[0063] Step 3: then send it into vacuum smelting, make the ...

Embodiment 2

[0082] The invention of this embodiment provides a comprehensive recycling and processing method for ternary power battery materials, comprising the following steps:

[0083] Step 1: Preparation of modified liquid:

[0084] S01: add 20 parts of sodium lauryl sulfate to 40 parts of sodium alginate aqueous solution, stir and mix well, then add hydrochloric acid to adjust the pH value to 5.0;

[0085] S02: The modified graphene is added to the S01 product according to the weight ratio of 1:5, and then the silane coupling agent KH560 of 5% of the total amount of modified graphene and 6% of chitosan are added to add the modifier, and the mixture is stirred and mixed. sufficient to obtain a modified liquid;

[0086] Step 2: The battery material is first fed into the modification solution according to the weight ratio of 1:7, modified, stirred and mixed, then washed with water, dried, and then ball-milled to 100 mesh;

[0087] Step 3: then send it into vacuum smelting, make the alu...

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Abstract

The invention discloses a comprehensive recovery treatment method of a ternary power battery material, which comprises the following steps: step 1, preparing a modification liquid: step 2, firstly feeding the battery material into the modification liquid according to a weight ratio of 1: 7, modifying, stirring and mixing, then washing, drying, carrying out ball milling treatment, and carrying out ball milling to pass through a 30-100-mesh sieve; and 3, feeding the aluminum foil into a vacuum melting furnace to melt the aluminum foil, separating out the aluminum foil in a liquid state, and finally cooling to room temperature to obtain a melting body. In the ternary power battery material recovery process, the battery material is subjected to modification treatment by adopting the modification liquid, and then ball milling treatment is performed, so that metal materials can be melted more thoroughly in the subsequent process, metal recovery raw materials can be subjected to electrolytic separation more easily in electrodes, and the raw materials can be recycled conveniently.

Description

technical field [0001] The invention relates to the technical field of power battery materials, in particular to a comprehensive recycling and processing method for ternary power battery materials. Background technique [0002] Ternary material is one of the new cathode materials for lithium-ion batteries. It has the advantages of high capacity, good thermal stability and high cost performance. Therefore, it is widely used as cathode material for new energy power batteries. With the rapid development of the new energy automobile industry, The scrap of power batteries is gradually increasing. As a secondary resource of nickel and cobalt, it is more and more important to the sustainable development of my country's nickel and cobalt industry. [0003] In the existing battery material recovery, the recovery efficiency of metal materials is slow, the recovery is incomplete, and the metal recovery rate is low. In addition, the process steps are complicated and the process efficienc...

Claims

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Application Information

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IPC IPC(8): C25C1/08C25C1/02C25C7/02C25C7/06C22B1/00C22B7/00H01M10/54C25C1/10
CPCC25C1/08C25C1/02C25C7/02C25C7/06C22B1/005C22B7/001H01M10/54C25C1/10Y02W30/84
Inventor 杨小中段友存高招辉
Owner HUNAN SHIJI YINTIAN NEW MATEIRALS
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