Salt colloidal electrolyte for storage battery and preparation method of salt colloidal electrolyte

A colloidal electrolyte and storage battery technology, applied in the field of electrolytes, can solve problems such as low conversion efficiency, large self-discharge, and large internal resistance, and achieve the effect of increasing conductivity, low internal resistance, and good performance

Inactive Publication Date: 2015-02-18
张俊芸
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the disadvantages of the existing storage battery electrolyte, such as large internal resistance, low conversion efficiency, large self-discharge, low capacity, and short service life, the invention provides a salt colloid electrolyte for storage battery and a preparation method thereof

Method used

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  • Salt colloidal electrolyte for storage battery and preparation method of salt colloidal electrolyte
  • Salt colloidal electrolyte for storage battery and preparation method of salt colloidal electrolyte
  • Salt colloidal electrolyte for storage battery and preparation method of salt colloidal electrolyte

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Weigh the raw materials according to the weight of each component specified in Table 1 below, stir the silicon dioxide with a particle size of 10-30 nanometers with pure water at 20°C, and then add dilute sulfuric acid, phosphoric acid, and sodium sulfate with a concentration of 20%. , potassium superoxide, lithium sulfate, stannous sulfate and ammonium sulfate, and stirred for 2 hours, then added carboxymethyl cellulose solution and silicone oil liquefied with pure water, continued to stir for 1 hour, and dispersed with a high-speed shear , to obtain a milky white rheological liquid, after mixing and stirring, let it stand for 24 hours to form.

Embodiment 2

[0030] The procedure of Example 1 was repeated with the weights of the components specified in Table 1 below, but prepared at 25°C and the concentration of dilute sulfuric acid was 30%.

Embodiment 3

[0032] The procedure of Example 1 was repeated with the weights of the components specified in Table 1 below.

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Abstract

The invention discloses salt colloidal electrolyte for a storage battery and a preparation method of the salt colloidal electrolyte. The salt colloidal electrolyte comprises the following components in percentage by weight: 10-20% of silica gel agent, 20-30% of electrolyte, 5-10% of compound additive, 0.5-1% of impregnating agent and 1-2% of colloid stabilizer, wherein the silica gel agent is silicon dioxide with the particle size of 10-30 nanometers; the electrolyte is sulfuric acid at a concentration of 20-30%; the compound additive contains sodium sulfate, lithium sulfate, ammonium sulfate, stannous sulfate, phosphoric acid and potassium superoxide; the impregnating agent is silicone oil; the colloid stabilizer is carboxymethyl cellulose. The salt colloidal electrolyte is low in internal resistance, high in recharging conversion rate, low in self discharge, free of water loss, large in battery capacity, long in service life and completely free from maintenance, and has good performance at a high or low temperature.

Description

technical field [0001] The invention relates to an electrolyte used in storage batteries, in particular to a salt colloid electrolyte and a preparation method thereof. Background technique [0002] Traditional lead-acid batteries use sulfuric acid electrolyte, which will cause problems such as environmental pollution and corrosion of equipment in the production process, and acid corrosion will also occur during use. This type of battery will also undergo hydrogen evolution and sulfation of the plate, and at the same time, the self-discharge will be large. , poor performance under high and low temperature conditions, low capacity and short life. The salt colloid electrolyte in the gel state does not flow in the battery, so it does not leak acid, which can effectively prevent the active material from falling off, and effectively inhibit the production of lead dendrites and plate vulcanization, reducing battery self-discharge, and can realize battery life. It is completely mai...

Claims

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Application Information

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IPC IPC(8): H01M10/10
CPCH01M10/10H01M2300/0085Y02E60/10
Inventor 张俊芸赵勇国李海明
Owner 张俊芸
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