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High-energy lead-acid storage battery cathode plate diachylon and preparation method thereof

A technology for lead-acid batteries and negative plates, which is applied in the direction of lead-acid battery electrodes, battery electrodes, circuits, etc., and can solve the problems of insufficient reaction of active substances in lead plaster, uneven mixing of auxiliary materials and lead powder, and utilization of active substances in plates Low efficiency and other problems, to overcome the premature termination of life, improve the effect of easy precipitation at high temperature, and improve the utilization rate of active materials

Active Publication Date: 2012-12-26
张家口保胜新能源科技有限公司
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Problems solved by technology

[0009] At present, most of the lead paste processing technology is the traditional adding and stirring method. The main disadvantage is that the mixing degree of the auxiliary materials and the lead powder is different, resulting in a large difference in the performance of the plate. Low utilization rate of plate active material

Method used

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  • High-energy lead-acid storage battery cathode plate diachylon and preparation method thereof

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Embodiment Construction

[0031] In order to better understand the technical solution of the present invention, the implementation method of the present invention will be described in detail below in conjunction with examples.

[0032] 1. The composition of the lead paste: as shown in the following table:

[0033]

[0034] Modified Sodium Lignosulfonate 0.1 0.15 0.25 0.2 0.25 0.3 Tannin 0.15 0.1 0.2 0.25 0.3 0.2 carbon black Acetylene black 0.2 0.25 0.3 0.25 0.2 0.3 Polyalphaolefin base oil 0.3 0.5 0.7 0.7 0.9 1.0 polyester staple fiber 0.08 0.09 0.1 0.09 0.085 0.0 95 Analytical grade sulfuric acid Density is 1.400g / cm3 8 9 10 11 10.5 12 pure water The conductivity is less than 0.3us / cm. 11 10 12 15 11 13

[0035] 2. Blending method

[0036] 2.1 Mixing method one:

[0037] Add the formulated amount of nano-barium ...

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Abstract

The invention provides a high-energy lead-acid storage battery cathode plate diachylon and a preparation method thereof. The diachylon comprises lead powder, pure water, analytical pure sulfuric acid and an auxiliary material, wherein the lead powder comprises 65-70 percent of lead oxide, the density of the analytical pure sulfuric acid is 1.400g / cm<3>, and the pure water has the conductivity of smaller than 0.3 mus / cm; and the auxiliary material comprises the following components based on the weight proportion of the lead powder: 0.8-1 percent of nano barium sulphate, 0.1-0.3 percent of modified sodium lignosulphonate, 0.1-0.3 percent of tannin, 0.08-0.1 percent of polyester short fiber, 0.2-0.3 percent of carbon black and 0.3-1 percent of poly-alpha-olefin base oil. When diachylon is mixed, 10-15kg of water, 8-12kg of analytical pure sulfuric acid and the auxiliary material based on the weight proportion of the lead powder are added into 100kg of lead powder. The invention provides the high-energy lead-acid storage battery cathode plate diachylon and the preparation method thereof.

Description

technical field [0001] The invention relates to the technical field of lead storage batteries, in particular to a formulation of lead paste for a negative plate of a high-energy lead-acid storage battery and a preparation method thereof. Background technique [0002] With the development of the economy and the advancement of science and technology, the demand for batteries in various industries is increasing, and the product grade requirements for batteries are getting higher and higher. Although various batteries have emerged in the market in recent years, due to the With irreplaceable performance advantages of other types of batteries, lead-acid batteries are still the main circulation varieties in the market. [0003] In recent years, the development of electric vehicles, automobiles and their energy storage industries has promoted the overall development of the battery industry, so that the output of lead-acid batteries has doubled several times in recent years. In order...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/14H01M4/62H01M4/16
CPCY02E60/126Y02E60/10
Inventor 程艳青周军
Owner 张家口保胜新能源科技有限公司
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