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Silicon dioxide pasty electrolyte and its processing method and accumulator using the same

A technology of silicon dioxide and fumed silicon dioxide, applied in the field of electrolyte, can solve the problems of unsatisfactory low temperature performance and charge-free performance, environment, personal impact, battery damage, etc. High volume effect

Inactive Publication Date: 2006-04-26
LONGMEN SULIHENG SPECIAL BATTERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Lead-acid batteries widely used in automobiles, ships, generators, and various construction machinery generally use dilute sulfuric acid as the electrolyte. Traditional lead-acid batteries have poor charge and discharge performance, low temperature performance, and charge-free performance during use. Neither is ideal; at the same time, it is easy to be affected by dumping, vibratio

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0017] Example 1

[0018] Electrolyte formula: 100KG of sulfuric acid with a specific gravity of 1.45, 79.584KG of pure water, 20KG of 200 mesh fumed silica, 0.016KG of ammonium polyacrylate with a molecular weight of 900, and 0.4KG of phosphoric acid.

[0019] Electrolyte processing: stir and dissolve 15KG fumed silica in 100KG sulfuric acid with a specific gravity of 1.45 to make component A; disperse the remaining 5KG of fumed silica evenly in 77.984KG pure water to form component B; add 0.016KG Ammonium polyacrylate is dissolved in 1.6KG of pure water to form component C; mix A, B, and C evenly, add 0.4KG phosphoric acid, stir evenly, and pour it into an ordinary 12V battery. The performance test results are shown in Table 1.

Example Embodiment

[0020] Example 2

[0021] Electrolyte formula: 110KG of sulfuric acid with a specific gravity of 1.45, 64.9KG of pure water, 24KG of 200 mesh fumed silica, 0.03KG of ammonium polyacrylate with a molecular weight of 900, and 0.8KG of phosphoric acid.

[0022] Electrolyte processing: stir and dissolve 19KG fumed silica in 110KG sulfuric acid with a specific gravity of 1.45 to make component A; disperse the remaining 5KG of fumed silica evenly in 61.9KG pure water to form component B; add 0.03KG Ammonium polyacrylate is dissolved in 3KG of pure water to form component C; mix component A, component B, and component C evenly, add 0.8KG phosphoric acid, stir evenly, and pour it into ordinary 24V battery. Test the electrical performance of the battery The results are shown in Table 1.

Example Embodiment

[0023] Example 3

[0024] Electrolyte formula: 100KG of sulfuric acid with a specific gravity of 1.45, 77.94KG of pure water, 22KG of 200 mesh fumed silica, 0.02KG of polyammonium acrylate with a molecular weight of 1200, and 0.4KG of phosphoric acid.

[0025] Electrolyte processing: stir and dissolve 16KG fumed silica in 100KG sulfuric acid with a specific gravity of 1.45 to make component A; disperse the remaining 6KG of fumed silica evenly in 75.94KG pure water to form component B; add 0.02KG Ammonium polyacrylate is dissolved in 2KG of pure water to form component C; mix component A, component B, and component C evenly, add 0.4KG phosphoric acid, stir evenly, and pour it into an ordinary 12V battery. The electrical performance of the battery The test results are shown in Table 1.

[0026] Electrical properties

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Abstract

The invention discloses a silicon dioxide paste electrolyte, which comprises: 50~55wt% sulfuric acid with 1.45 specific weight, 32~38wt% pure water, 10~12wt% gas-phase silicon dioxide, 0.008~0.015wt% ammonium polyacrylate, and 0.2~0.4wt% phosphoric acid. Wherein, the preparation method comprises: (1) dissolving part gas-phase silicon dioxide into sulfuric acid to form A constituent; (2) dispersing other silicon dioxide into water to form B constituent; (3) dissolving the ammonium polyacrylate into pure water by proportion 1:100 to form C constituent; (4) mixing A, B and C constituents; adding proper phosphoric acid when using. The opposite accumulator with this electrolyte has well property, and can replace current lead-acid accumulator.

Description

technical field [0001] The invention relates to an electrolyte, in particular to a silicon dioxide paste electrolyte used in accumulators, and also relates to a processing method for the electrolyte and an accumulator using the electrolyte. Background technique [0002] Lead-acid batteries widely used in automobiles, ships, generators, and various construction machinery generally use dilute sulfuric acid as the electrolyte. Traditional lead-acid batteries have poor charge and discharge performance, low temperature performance, and charge-free performance during use. None of them are ideal; at the same time, it is easy to be affected by dumping, vibration, and turbulence during use, resulting in liquid leakage and acid mist, which will cause great damage to instruments, equipment, vehicles, ships, etc. that use batteries, and even worse, the environment and personal cause a great impact. Although the traditional lead-acid battery has the above-mentioned series of deficiencie...

Claims

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Application Information

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IPC IPC(8): H01M10/08H01M10/04H01M10/10
CPCY02E60/10Y02P70/50
Inventor 马新得
Owner LONGMEN SULIHENG SPECIAL BATTERY
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