Sizing mixture water-supplementing device for producing battery pole piece

A technology of mixing slurry and battery pole pieces, applied in the direction of electrode manufacturing, etc., can solve the problems of poor operation stability, thickening of slurry, and affecting the qualification rate of pole pieces, etc., and achieve the effect of convenient operation and simple structure

Inactive Publication Date: 2010-09-08
湖南科霸汽车动力电池有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the production of batteries, it is common to use foamed nickel wet process to make electrode pole pieces. The slurry thickens due to the water absorption of foamed nickel, which eventually leads to the phenomenon of unstable weight of the pole piece. It is also possible to add water to the slurry manually, but The operation stability is poor, which will affect the qualification rate of the pole piece in the end

Method used

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  • Sizing mixture water-supplementing device for producing battery pole piece
  • Sizing mixture water-supplementing device for producing battery pole piece

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] refer to figure 1 , this embodiment includes a high-level water storage tank 1 and a circulation pump 3, the outlet 2 of the high-level water storage tank 1 communicates with the inlet 4 of the circulation pump 3, and a joint is installed on the connecting pipe between the high-level water storage tank 1 and the circulation pump 3 The flow valve 5; the outlet 6 of the circulating pump 3 communicates with the feed port at the lower end of the slurry hopper 7, and the inlet 4 of the circulating pump 3 communicates with the discharge port at the upper end of the slurry hopper 7; each connecting pipe adopts a hose.

[0012] When working, open the throttle valve 5, the supplementary water in the high-level water storage tank 1 flows into the inlet pipe of the circulation pump 3 by itself, the supplementary water is mixed with the slurry in the pipeline, and then pumped into the slurry hopper 7 with the circulation pump 5, through which This way maintains the fluidity and wat...

Embodiment 2

[0015] The difference between this embodiment and embodiment 1 is that the outlet 2 of the elevated water storage tank 1 communicates with the outlet 6 of the circulating pump 3 (refer to figure 1 The connection mode shown by the dotted line in the middle), the remainder is the same as in embodiment 1.

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Abstract

The invention discloses a sizing mixture water-supplementing device for producing a battery pole piece, comprising a high-level water storage tank and a circulating pump, wherein the high-level water storage tank is communicated with an inlet at the upper end of the circulating pump or an outlet at the lower end of the circulating pump; and the inlet at the upper end of the circulating pump or the outlet at the lower end of the circulating pump are respectively communicated with an inlet at the upper end of a sizing hopper and an outlet at the lower end of the sizing hopper. The invention has simple structure and convenient operation and can effectively ensure that the weight deviation of the produced battery pole piece is below + / -2 percent.

Description

technical field [0001] The invention relates to a water replenishing device for making battery pole pieces, in particular to a water replenishing device for mixed slurry for making battery pole pieces. Background technique [0002] At present, in the production of batteries, it is common to use foamed nickel wet process to make electrode pole pieces, and the slurry thickens due to the water absorption of foamed nickel, which eventually leads to the unstable weight of the pole pieces. It is also possible to add water to the slurry manually, but Poor operational stability will eventually affect the pass rate of the pole piece. Contents of the invention [0003] The purpose of the present invention is to overcome the defects of the above-mentioned prior art, and to provide an automatic water supply device for mixed slurry for manufacturing battery pole pieces. Using the automatic water supply device for mixed slurry can ensure that the weight deviation of the produced battery...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/04
CPCY02E60/10
Inventor 刘卫军周旺发曹瑞中石建珍谢红雨
Owner 湖南科霸汽车动力电池有限责任公司
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