High-performance long-service life silicon-silver cell positive and negative plates and preparation method thereof

A positive and negative plate, long-life technology, applied in the direction of lead-acid battery electrodes, electrode carriers/collectors, etc., can solve the problems of organic plate conduction, organic substrate oxidative decomposition, battery pack can not be sealed, etc., to reduce the surface energy, improve electrical conductivity, reduce the overall corrosion rate and the harmful effects of corrosion

Inactive Publication Date: 2012-05-23
陈清利 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reasons why bipolar lead-acid batteries with organic substrates with the highest gold content have not been mass-produced so far are: (1) The battery packs cannot be sealed, and the electrolyte between the battery packs is conductive due to the creeping property of the electrolyte during charging and discharging. Failure; (2) The high potential in the charge and discharge process makes the organic substrate quickly oxidized and decomposed; (3) The long-term attachment of the battery active material to the organic substrate; (4) The conductivity of the organic plate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] The content of Pb in the Pb-Ag-Ca-Ce alloy of the lower negative plate is 98.6%-99.8%, the content of Ag is 0.08%-0.12%, the content of Ca is 0.05-0.075%, and the content of Ce is 0.003%-0.005%. Also be coated with lead oxide powder live paste on the following negative plate Shan, described lead oxide powder live paste adopts carbon fiber as additive, and described carbon fiber particle diameter is 150nm, is woven into thickness and is 0.15 net, in described lead oxide powder live paste The content ratio of the lead oxide powder with a particle size of 0.1-0.5 mm to the lead oxide powder with a particle size of 0.8-1.2 mm is 4:1. The lead oxide powder active paste is coated on both sides at 80-95°C to ensure the flatness of the product.

Embodiment 2

[0016] The content of Pb in the positive and negative plate Pb-Ag-Ca-Ce alloy is 98.6%-99.8%, the content of Ag is 0.08%-0.12%, the content of Ca is 0.05-0.075%, and the content of Ce is 0.003%-0.005%. The positive and negative plates are also coated with lead oxide powder live paste, and the lead oxide powder live paste adopts carbon fiber as an additive, and the carbon fiber particle diameter is 150nm, and the thickness of weaving is 0.15. The content ratio of the lead oxide powder with a particle size of 0.1-0.5 mm to the lead oxide powder with a particle size of 0.8-1.2 mm is 4:1. The lead oxide powder active paste is coated on both sides at 80-95°C to ensure the flatness of the product.

[0017] The polar plate of the above-mentioned embodiment is detected, and the result surface: adopt its monolithic capacity of the polar plate produced by the present invention, the same area is 1.38 times of the common product in the existing market, greatly improves the weight-to-capac...

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Abstract

The invention discloses high-performance long-service life silicon-silver cell positive and negative plates and a preparation method thereof. The high-performance long-service life silicon-silver cell positive and negative plates comprise positive and negative grid plates, and are characterized in that a raw material of the positive and negative grid plates is a Pb-Ag-Ca-Ce alloy. The high-performance long-service life silicon-silver cell positive and negative plates have the advantages that the single sheet capacity of the high-performance long-service life silicon-silver cell positive and negative plates is 1.38 times that of the existing common products having surfaces same as surfaces of the high-performance long-service life silicon-silver cell positive and negative plates; a cell weight-capacity ratio is greatly improved; and the high-performance long-service life silicon-silver cell positive and negative plates provide a power energy storage guarantee and an early solution scheme for electric automobile development.

Description

technical field [0001] The invention relates to the field of high-energy storage batteries, and more specifically relates to a method for manufacturing positive and negative plates of high-energy storage batteries. Background technique [0002] In order to improve the capacity and life of lead-acid batteries, compared with ordinary lead-acid batteries, people have developed grids and plate paste additives for batteries with various formulas and structures, and achieved certain results. The development and application of society have played a certain role in promoting. For example, the lead-tin-antimony alloy grid greatly improves the service life of the battery. The main grid material of the maintenance-free lead-acid battery commonly used now is lead-calcium alloy. Because the hydrogen evolution overpotential of lead-calcium alloy is higher than that of lead-antimony alloy The height is about 200mV, so that the amount of gas precipitated on it is greatly reduced, thereby m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/14H01M4/68H01M4/20
CPCY02E60/126Y02E60/10
Inventor 陈清利周来英庄素青
Owner 陈清利
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