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Solid-state battery electrode film forming device and method

A solid-state battery and electrode film technology, which is applied in the direction of electrode manufacturing, battery assembly machine, secondary battery manufacturing, etc., can solve the problems of high production cost and inability to realize industrialization, achieve uniform thickness, flexible and convenient use, and simplify production The effect of craft

Pending Publication Date: 2020-02-14
SHENZHEN YINGHE TECH
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  • Application Information

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Problems solved by technology

However, after more than ten years of research and development, solid-state batteries still cannot be industrialized. The fundamental reason is that the production cost is extremely high, especially the electrode sheets of solid-state lithium batteries. Therefore, it is necessary to develop a device to realize the industrialization of solid-state battery electrodes and promote Rapid development of new energy industry

Method used

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  • Solid-state battery electrode film forming device and method
  • Solid-state battery electrode film forming device and method
  • Solid-state battery electrode film forming device and method

Examples

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Effect test

Embodiment 1

[0026] refer to Figure 1~4 A solid-state battery electrode film forming device is used for the production of solid-state battery electrode film, which can be a lithium battery or other batteries. The solid-state battery electrode film forming device includes a powder spreading mechanism 1 and a forming mechanism 2. The powder spreading mechanism 1 is arranged above the forming mechanism 2, and the electrode material in the powder state is spread above the powder spreading mechanism 1, and then the powder is passed through the forming mechanism 2. Made of film.

[0027] refer to figure 1 , the forming mechanism 2 includes a first pressure roller 21 and a second pressure roller 22, the first pressure roller 21 and the second pressure roller 22 are arranged side by side, and the first pressure roller 21 and the second pressure roller are driven by a driving mechanism 22 rotate relatively, and rotate synchronously, for example, a gear is provided at the end of the first pressur...

Embodiment 2

[0036] A battery electrode film forming method using the solid-state battery electrode film forming device in Embodiment 1, comprising the following steps:

[0037] S1, powder laying step, by the vibration of screen frame 11 and manifold 13, the powder material is laid on the first press roller 21 and / or the second press roller 22, preferably vertical multi-stage screen frame 11 is set, so that powder The material is more evenly laid on the first pressing roller 21 and / or the second pressing roller 22;

[0038] S2, the film material forming step, the powder is melted by the first pressing roller 21 and / or the second pressing roller 22 (there is a hot-melt substance in the electrode material, if there is no hot-melt substance in the electrode material, it can be in the electrode material Additional hot-melt substances are used to heat-melt into a film) and extruded into a film material, so that the electrode material in the powder state is directly made into an electrode film; ...

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Abstract

The invention discloses a solid-state battery electrode film forming device which comprises a powder spreading mechanism and a forming mechanism. The forming mechanism comprises a first pressing roller and a second pressing roller, the first pressing roller and the second pressing roller are arranged in parallel, and heating pieces are arranged in the first pressing roller and / or in the second pressing roller. The powder spreading mechanism is arranged above the first pressing roller and / or the second pressing roller. The powder spreading mechanism comprises a screen frame, a first vibration driving part and a confluence plate, the first vibration driving part drives the screen frame and the confluence plate to vibrate, the confluence plate is arranged below the screen frame, powder leakedfrom the screen frame is scattered on the first pressing roller and / or the second pressing roller, and the first pressing roller and the second pressing roller melt the powder and carry out extrusionforming. The device is used for manufacturing an electrode film.

Description

technical field [0001] The invention relates to the technical field of solid-state battery processing, in particular to a solid-state battery electrode film forming device and method. Background technique [0002] With the advancement of science and technology and the improvement of environmental protection requirements, new energy vehicles have become a trend. Electric vehicles are more environmentally friendly and mature among new energy vehicles, and are favored by people. At present, electric vehicles use conventional lithium batteries as power, and conventional lithium batteries need to be filled with liquid, so the cruising range and safety of lithium batteries have become the bottleneck that plagues the development of new energy vehicles, and solid-state batteries can completely solve this problem. Like conventional lithium batteries, electrode sheets are the main components of solid-state lithium batteries, so there is a large demand for electrode sheets. However, a...

Claims

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Application Information

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IPC IPC(8): H01M10/04H01M4/04
CPCH01M10/0404H01M4/0435Y02E60/10Y02P70/50
Inventor 周三春梁立定
Owner SHENZHEN YINGHE TECH
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