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Colloidal solid electrolyte, colloid preparation method and high-power flat colloid storage battery

A solid electrolyte and battery technology, applied in the battery field, can solve the problems of lack of cathodic protection, busbar corrosion environment, etc., and achieve the effects of improving battery power cycle life, reducing battery internal resistance, and preventing corrosion

Active Publication Date: 2021-10-29
ZHEJIANG NARADA POWER SOURCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Under the floating charge condition of VRLA battery, the negative bus bar is in a poor liquid oxygen-enriched environment and lacks sufficient cathodic protection, forming a bus bar corrosion environment

Method used

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  • Colloidal solid electrolyte, colloid preparation method and high-power flat colloid storage battery
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Embodiment Construction

[0039] The implementation of the present application will be described in detail below with reference to the accompanying drawings and examples, so as to fully understand and implement the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects.

[0040] This embodiment provides a colloidal solid electrolyte, which is composed of 92%-94% by mass percent of sulfuric acid, 0.5%-0.9% of sodium sulfate and 5.5%-6.5% of silicon dioxide, wherein the sulfuric acid at 20 The density at ℃ is 1.31-1.32g / cm 3 .

[0041] For the colloidal solid electrolyte with the above three components, this embodiment provides a preparation method, that is, a glue compounding process. In this process, sulfuric acid, sodium sulfate, and silicon dioxide need to be added to the compounding machine in sequence. Specific steps are as follows:

[0042] Step 1, turn on the power of the device;

[0043] Step 2, set the amount of ac...

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Abstract

The invention belongs to the technical field of storage batteries, and particularly relates to a colloidal solid electrolyte. The electrolyte is composed of 92-94% by mass of sulfuric acid, 0.5-0.9% by mass of sodium sulfate and 5.5-6.5% by mass of fumed silica, and the density of the sulfuric acid at 20 DEG C is 1.31-1.32 g / cm <3>. Sulfuric acid in the colloidal solid electrolyte is adsorbed in the silicon dioxide aggregate, so that the phenomenon that the electrolyte is layered up and down can be effectively avoided. For the colloidal solid electrolyte, sulfuric acid, sodium sulfate and fumed silica are sequentially added into a glue preparation machine. In addition, the invention further comprises a high-power flat colloid storage battery, the high-power flat colloid storage battery comprises a positive plate, a negative plate, a partition plate and a storage battery electrolyte which are arranged in a battery jar, the storage battery electrolyte is the colloid solid electrolyte according to the claim 1, and the colloid solid electrolyte covers a negative busbar of the negative plate. The colloid storage battery can prevent the acid liquor from layering, improves the high-power discharge performance, and does not generate the phenomenon of negative electrode confluence corrosion within the service life cycle range of the colloid storage battery.

Description

technical field [0001] The invention belongs to the technical field of accumulators, and specifically includes colloidal solid electrolytes, a glue compounding method and high-power flat colloidal accumulators. Background technique [0002] Under the national "new infrastructure" development plan, the data center is listed as a key development project in 2020. Driven by the business needs of cloud service providers and Internet companies, the data center market maintains rapid development; and benefiting from the advent of the 5G era, the demand will further increase. [0003] More and more small and medium-sized retail and Internet companies are increasing their public cloud deployment. The business growth of domestic cloud service providers is significant, and they will continue to increase data center purchases in the next three years; Internet companies, especially the game and video industries, maintain rapid growth in traffic ( and further growth during the epidemic),...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/0565H01M10/12
CPCH01M10/0565H01M10/12H01M2300/0082H01M2300/0091Y02P70/50
Inventor 项文敏唐明跃刘成浩李春林窦亮程鹏伟海瑞瑜李琳伟钱金烂郑俊江
Owner ZHEJIANG NARADA POWER SOURCE CO LTD
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