Processing system and method for lithium powder of lithium ion battery pole piece

A lithium-ion battery and processing system technology, which is applied in the field of lithium powder processing system for lithium-ion battery pole pieces, can solve the problem that bad lithium supplement products cannot be detected and marked in time, and achieve the effect of convenient remedy and quality improvement

Active Publication Date: 2015-09-16
CONTEMPORARY AMPEREX TECH CO
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Problems solved by technology

[0005] The invention provides a lithium powder processing system and method for lithium-ion battery pole pieces, which are used to solve the problem that bad lithium supplement products cannot be detected and marked in time

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  • Processing system and method for lithium powder of lithium ion battery pole piece
  • Processing system and method for lithium powder of lithium ion battery pole piece
  • Processing system and method for lithium powder of lithium ion battery pole piece

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Embodiment Construction

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0024] figure 1 It is a structural schematic diagram of the first embodiment of the lithium powder processing system of the lithium ion battery pole piece of the present invention. The pole piece 6 processed by the lithium powder processing system has a first surface and a second surface. In this embodiment, the lithium ion battery The lithium po...

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Abstract

The invention provides a processing system and method for lithium powder of a lithium ion battery pole piece. The lithium ion battery pole piece has a first surface and a second surface. The lithium powder processing system comprises a first material feeding device and a first rolling device which are sequentially arranged along a pole piece advancing direction. The first material feeding device is used for supplementing lithium powder for the first surface of the pole piece. The first rolling device is used for rolling the pole piece, which is supplemented with the lithium powder. The lithium powder processing system also comprises a first online detection device and a first online labeling device which are sequentially arranged along the pole piece advancing direction. The first online detection device and the first online labeling device are arranged at the downstream of the first rolling device. The first online detection device is electrically connected with the first online labeling device. The processing system can detect inferior lithium supplementing material in time and label the inferior lithium supplementing material, thereby facilitating timely remedy of the inferior lithium supplementing material in following steps, and preventing the inferior lithium supplementing material from entering next step so as to improve the quality of lithium ion batteries.

Description

technical field [0001] The invention belongs to the technical field of lithium ion batteries, and in particular relates to a lithium powder processing system and method for pole pieces of lithium ion batteries. Background technique [0002] Lithium-ion batteries have become one of the most widely used secondary batteries due to their advantages of high voltage, high energy density and long cycle life. Lithium ion battery refers to a secondary battery composed of two interlayer compounds that can reversibly intercalate and deintercalate lithium ions as active materials. At present, lithium cobalt oxide (LiCoO) with high intercalation and delithiation potential is generally used in production. 2 ) material is the positive electrode, and the carbon material with low lithium intercalation and delithiation potential is the negative electrode. Like other secondary batteries, lithium-ion has the problem of capacity loss after charging and discharging cycles. During the charging an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/139H01M10/0525
CPCH01M4/139H01M10/0525Y02E60/10
Inventor 吴祖钰李克强王辉张五堂
Owner CONTEMPORARY AMPEREX TECH CO
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