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A low-viscosity treatment method for negative electrode slurry of lithium ion battery

A lithium-ion battery, negative electrode slurry technology, applied in battery electrodes, negative electrodes, secondary batteries, etc., to achieve the effect of improving electrochemical performance

Active Publication Date: 2022-08-09
佛山市天劲新能源科技有限公司
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Problems solved by technology

[0003] The purpose of the present invention is to provide a low-viscosity treatment method for lithium-ion battery negative electrode slurry, aiming to solve the processing problem of low-viscosity negative electrode slurry in the prior art

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  • A low-viscosity treatment method for negative electrode slurry of lithium ion battery

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Embodiment Construction

[0038] In order to better explain the present invention, the following refers to the further detailed description of the present invention.

[0039] It should be made clear that the described examples are only an example of the embodiments of the application embodiments, not all embodiments. Based on the embodiments in the embodiments of this application, all other embodiments obtained by ordinary technical personnel in the art under the premise of not creating creative labor belong to the scope of the implementation of the implementation examples of this application.

[0040] The term used in this application embodiment is only for the purpose of describing specific embodiments, not designed to limit the embodiments of this application. The "one", "what", and "should" use the forms used in the embodiments and the claims in this application and the claims are also designed to include most forms, unless the context clearly represents other meanings. It should also be understood tha...

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Abstract

The present invention disclose a low viscosity treatment method of lithium ion battery negative pulp, determine the viscosity of the negative pole slurry and combined with the viscosity grading table to find the viscosity level corresponding to the viscosity;The regulator corresponding to the viscosity level; mix the negative pulp with the regulator to obtain the mixed pulp; determine the viscosity of the mixed pulp, and compare the viscosity of the mixed pulp with the standard viscosity; ifThe viscosity of the mixed pulp is stirred out of the standard viscosity range; the present invention is graded by the viscosity of the negative pole slurry, and the corresponding adjustment agent is added toThe land is adjusted to the low -viscosity's negative pulp into a mixed slurry that meets the standard viscosity, so that the subsequent slurry can be coated and improved the chemical performance of the battles.

Description

Technical field [0001] The invention involves the field of lithium -ion battery technology, and specially involves a low viscosity treatment method of a lithium -ion battery negative pulp. Background technique [0002] The development of the new energy vehicle market brings the strong demand for lithium -ion power batteries, and also brings fierce industry and product competition. At present, the mainstream negative pulp system is negative active substances, CMCs CMC, butadie benzene -orbipphenyl rubber SBR, and conductive agent. CMC is mainly used here for thickening and anti -sedimentation of the pulp, enhanced active materials and conductive dispersion. , Auxiliary adhesives are played with bonding; and when the viscosity of negative pole slurry is too low, it is not conducive to the coating of the slurry and affects the chemical performance of the battles. Invention content [0003] The purpose of the present invention is to provide a low viscosity treatment method of a lith...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/139H01M4/62H01M10/0525
CPCH01M4/139H01M4/621H01M10/0525H01M2004/027Y02E60/10
Inventor 曾洪华曾宪武陈泽平陈永信
Owner 佛山市天劲新能源科技有限公司
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