A device for generating a lithium battery negative electrode current collector
A technology for generating devices and negative electrodes, which is applied in the manufacture of battery electrodes, electrode carriers/collectors, and electrolyte storage batteries. It can solve the problems of impurities and burrs on the surface of copper foil, and achieve the goal of avoiding impurities, avoiding burrs, and reducing costs. Effect
Active Publication Date: 2019-04-02
JINGMEN GEM NEW MATERIAL +1
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Problems solved by technology
[0006] In view of the above problems, the object of the present invention is to provide a device for generating negative electrode collectors of lithium batteries, aiming at solving the problem that the existing copper foil generating device has impurities and burrs on the surface of the copper foil and can only produce copper foil of a fixed size. technical problem
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[0015] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0016] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.
[0017] figure 1 It shows the side view structure of the generation device of the lithium battery negative electrode current collector provided by the embodiment of the present invention, figure 2 The front view structure of the device for generating the negative electrode collector of the lithium battery is shown, and only the parts related to the embodiment of the present invention are shown for convenience of description.
[0018] Such as figure 1 , 2 As shown, th...
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The invention is applicable to the technical field of lithium battery production, and provides a device for generating negative electrode current collectors of lithium batteries. In the device, a corrosion-resistant rubber ring is tightly covered in the middle of the titanium roller, and rubber covers are provided at both ends of the titanium roller. A slide bar is fixed between the two suspenders of the type hanger, and the device also includes two cleaning parts, the arc cleaning brush of the sweeping part is close to the surface of the titanium roller between the rubber ring and the rubber cover. In the present invention, the rubber ring divides the titanium roller into two sections, and each section is in contact with the electrolyte, so that two sets of copper foils with different widths can be produced at the same time. For the production of copper foils of different specifications, there is no need to replace titanium rollers of different lengths, reducing costs; In addition, rubber discs are installed at both ends of the titanium roller to avoid burrs on the edge of the copper foil; in addition, cleaning parts are also installed to realize uninterrupted cleaning of the surface of the two titanium rollers to keep the surface of the titanium roller clean and avoid copper foil Impurities appear on the surface.
Description
technical field [0001] The invention belongs to the technical field of lithium battery production, and in particular relates to a generating device for a lithium battery negative electrode current collector. Background technique [0002] The four main parts of a lithium-ion battery are positive electrode material, negative electrode material, separator and electrolyte. However, in addition to the main four parts, the current collector used to store the positive and negative electrode materials is also an important part of the lithium battery. For lithium-ion batteries, aluminum foil is commonly used as the positive current collector, and copper foil is the negative current collector. In order to ensure the stability of the current collector inside the battery, the purity of both is required to be above 98%. With the continuous development of lithium battery technology, whether it is lithium batteries used in digital products or batteries for electric vehicles, we all hope t...
Claims
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IPC IPC(8): C25D7/06H01M4/66H01M10/058
CPCC25D7/0614H01M4/661H01M10/058Y02E60/10Y02P70/50
Inventor 许开华
Owner JINGMEN GEM NEW MATERIAL