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Ball forming machine for lithium iron phosphate

A technology of lithium iron phosphate and ball forming machine, which is applied in the field of machinery, can solve the problems of low tap density and low conductivity, and achieve good effect, speed up efficiency and reasonable design

Inactive Publication Date: 2010-03-03
台州市杰南投资有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the shape of lithium iron phosphate used as the positive electrode material of lithium battery is generally irregular, and the following problems exist in such shape of lithium iron phosphate: 1. Low conductivity; 2. Low tap density

Method used

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  • Ball forming machine for lithium iron phosphate
  • Ball forming machine for lithium iron phosphate

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Embodiment Construction

[0022] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0023] Such as figure 1 As shown, this lithium iron phosphate ball forming machine includes a rotatable drum 1, a storage part 2 and a spray gun 3 with a nozzle 3a, and the nozzle 3a is arranged in the drum 1, between the drum 1 and the storage part 2 There is a feeding device between them, the feeding device is connected to the nitrogen source 4, the above-mentioned spray gun 3 is connected to the feeding device, and the above-mentioned drum 1 is also provided with a heating structure that can increase the temperature in the drum 1.

[0024] Specifically, the feeding device includes a pneumatic feeding mechanism and an accelerating mechanism. The lithium iron phosphate raw material in the material storage part 2 is trans...

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Abstract

The invention provides a ball forming machine for lithium iron phosphate, which belongs to the technical field of machinery and solves the technical problem that ball-shaped lithium iron phosphate can not be obtained by the existing manual operation. The ball forming machine for lithium iron phosphate comprises a rotary roller, a material storing piece and a spray gun with a spray nozzle, whereinthe spray nozzle is arranged in the roller, a feeding device is arranged between the roller and the material storing piece which is connected with a nitrogen source, the spray gun is connected with the feeding device, and the roller is also provided with a heating structure capable of rise up temperature in the roller. The invention has the advantages of high efficiency and high quality in ball forming, etc.

Description

technical field [0001] The invention belongs to the technical field of machinery, and relates to a ball forming machine, in particular to a lithium iron phosphate ball forming machine. Background technique [0002] Lithium battery products have the advantages of good cycle performance, high energy density, and wide operating temperature range, so they are widely used in portable electronic products such as mobile communications, notebook computers, and electronic instruments, and are gradually developed as electric vehicles and hybrid vehicles. Car battery. This also promotes the development of lithium batteries in the direction of high performance, low cost, and environmental protection, and the improvement of lithium battery performance and the expansion of application range largely depend on the improvement of positive electrode materials, and olivine structure Lithium iron phosphate is very suitable as a cathode material for lithium batteries. [0003] At present, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J2/12H01M4/58H01M4/24
CPCY02E60/124Y02E60/10
Inventor 王坚
Owner 台州市杰南投资有限公司
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