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Manufacturing apparatus and manufacturing method of electrical storage material

一种制造装置、调整装置的技术，应用在电极制造、最终产品制造、可持续制造/加工等方向，能够解决难以获得电池性能、活性物质损伤等问题

Inactive Publication Date: 2018-10-26
JTEKT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the mixing is performed at high speed, the active material may be damaged, making it difficult to obtain good battery performance

Method used

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  • Manufacturing apparatus and manufacturing method of electrical storage material
  • Manufacturing apparatus and manufacturing method of electrical storage material
  • Manufacturing apparatus and manufacturing method of electrical storage material

Examples

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Embodiment Construction

[0029] The electricity storage material manufacturing apparatus according to this embodiment constitutes, for example, an apparatus for manufacturing electrodes (a positive electrode and a negative electrode) of a lithium ion secondary battery. An electrode of a lithium ion secondary battery is manufactured as an electricity storage material by coating a slurry of an active material material on a base material such as aluminum foil or copper foil and drying it. The electricity storage material manufacturing apparatus of this embodiment is an apparatus that manufactures a slurry of an active material material.

[0030] As a specific example of the active material material, in the case of the positive electrode, there are lithium nickel oxide etc. (solid content) as the active material, N-methylpyrrolidone etc. Black, etc. and polyvinylidene fluoride as a binder. In the case of the negative electrode, there are graphite etc. (solid content) as an active material, water (liquid ...

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Abstract

The present invention provides a manufacturing apparatus and a manufacturing method of an electricity storage material. An apparatus (1) for producing an electrical storage material includes a dissolving apparatus (2) for dissolving a thickener with respect to a solvent by imparting vibration, and a dissolving liquid of the thickener whose viscosity has been adjusted and mixing of an active material. device (4). Dissolving the thickener in the solvent, dispersing and mixing the active material powder or the like in the viscosity-adjusted thickener solution, the mixing can be performed in a short time, and damage to the active material can be suppressed.

Description

[0001] The disclosures of Japanese Patent Application No. 2013-024366 filed on February 12, 2013 and Japanese Patent Application No. 2013-236709 filed on November 15, 2013, including specification, drawings and abstract, respectively, Its entire content is hereby incorporated by reference. technical field [0002] The present invention relates to a manufacturing device and a manufacturing method for manufacturing an electricity storage material. Background technique [0003] In recent years, lithium ion secondary batteries are used in hybrid vehicles, electric vehicles, and the like. The electrode of the lithium-ion secondary battery mixes the powder of the active material and the solution of the thickener, and then coats the slurry of the obtained active material (electricity storage material) on a substrate such as aluminum foil and dries it. Manufactured. [0004] The active material is produced by irradiating a precursor of the active material with microwaves and aging...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/36H01M4/04H01M4/139
CPCH01M4/04H01M4/139H01M2004/021H01M10/0525H01M4/624H01M4/62Y02E60/10Y02P70/50B01J19/10H01M4/622
Inventor 三尾巧美西幸二藤田顺也深谷佳文藤井崇文铃木和也
Owner JTEKT CORP
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