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Battery composite electrolyte and preparation method thereof

A composite electrolyte and battery technology, applied in secondary batteries, organic electrolytes, lead-acid batteries, etc., can solve the problems of environmental soil and water pollution, poor temperature adaptability, easily damaged batteries, etc., achieve stable chemical properties and reduce viscosity And fluidity, the effect of simple preparation method

Inactive Publication Date: 2018-09-04
崔晓迪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the large amount of sulfuric acid used in the production process of this type of existing storage battery, it causes serious pollution to the environmental soil and water sources, and when it is used for high-current discharge or power loss, the plate is easily damaged, and the temperature adaptability is poor. The battery is easily damaged when charging or discharging, and the safety performance is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The composite electrolyte components include 10 parts by weight of ethylene carbonate, 5 parts of lithium tetrafluoroborate, 4 parts of fluoroethylene carbonate, 8 parts of sodium silicate, 6 parts of magnesium carbonate, 2 parts of corrosion inhibitor, 2- 2 parts of phenyl imidazoline quaternary ammonium salt, 3 parts of fatty alcohol polyoxyethylene ether, 4 parts of 2,3-dimethyl sebacic acid, 2 parts of o-nitroanisole, and 1 part of flame retardant.

[0018] The preparation method of the present embodiment comprises the following steps:

[0019] A. Mix ethylene carbonate, lithium tetrafluoroborate, fluoroethylene carbonate, sodium silicate, and magnesium carbonate and add them to the stirring tank for high and low speed stirring. After stirring for 10 minutes, add 2-phenylimidazoline quaternary ammonium salt, fat Alcohol polyoxyethylene ether, after continuing to stir for 8 minutes, let it stand for 20 minutes to obtain mixture A;

[0020] B. Mix 2,3-dimethylsebacic...

Embodiment 2

[0024] The composite electrolyte components include 20 parts by weight of ethylene carbonate, 15 parts of lithium tetrafluoroborate, 12 parts of fluoroethylene carbonate, 18 parts of sodium silicate, 14 parts of magnesium carbonate, 6 parts of corrosion inhibitor, 2- 8 parts of phenyl imidazoline quaternary ammonium salt, 9 parts of fatty alcohol polyoxyethylene ether, 10 parts of 2,3-dimethyl sebacic acid, 6 parts of o-nitroanisole, and 4 parts of flame retardant.

[0025] The preparation method of the present embodiment comprises the following steps:

[0026] A. Mix ethylene carbonate, lithium tetrafluoroborate, fluoroethylene carbonate, sodium silicate, and magnesium carbonate and add them to the stirring tank for high and low speed stirring. After stirring for 10 minutes, add 2-phenylimidazoline quaternary ammonium salt, fat Alcohol polyoxyethylene ether, after continuing to stir for 8min-14min, let it stand for 20min to obtain mixture A;

[0027] B. Mix 2,3-dimethylsebac...

Embodiment 3

[0031] The composite electrolyte components include 12 parts by weight of ethylene carbonate, 7 parts of lithium tetrafluoroborate, 6 parts of fluoroethylene carbonate, 10 parts of sodium silicate, 7 parts of magnesium carbonate, 3 parts of corrosion inhibitor, 2- 3 parts of phenylimidazoline quaternary ammonium salt, 4 parts of fatty alcohol polyoxyethylene ether, 5 parts of 2,3-dimethyl sebacic acid, 3 parts of o-nitroanisole, and 2 parts of flame retardant.

[0032] The preparation method of the present embodiment comprises the following steps:

[0033] A. Mix ethylene carbonate, lithium tetrafluoroborate, fluoroethylene carbonate, sodium silicate, and magnesium carbonate and add them to the stirring tank for high and low speed stirring. After stirring for 10 minutes, add 2-phenylimidazoline quaternary ammonium salt, fat Alcohol polyoxyethylene ether, after continuing to stir for 9 minutes, let it stand for 20 minutes to obtain mixture A;

[0034] B. Mix 2,3-dimethylsebaci...

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PUM

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Abstract

The invention discloses a battery composite electrolyte and a preparation method thereof. The composite electrolyte comprises, by weight, 10-20 parts of ethylene carbonate, 5-15 parts of lithium tetrafluoroborate, 4-12 parts of fluoroethylene carbonate, 8-18 parts of sodium silicate, 6-14 parts of magnesium carbonate, 2-6 parts of corrosion inhibitor, 2-8 parts of 2-phenylimidazoline quaternary ammonium salt, 3-9 parts of fatty alcohol polyoxyethylene ether, 4-10 parts of 2,3-dimethyl sebacic acid, 2-6 parts of o-nitroanisole and 1-4 parts of flame retardant. The preparation method is simple,the prepared composite electrolyte is environmentally friendly and non-toxic and is beneficial for improving the thermal stability of an electrolyte system, the high temperature cycle and high temperature storage performance of a battery can be improved, and the safety is high.

Description

technical field [0001] The invention relates to the technical field of electrolyte preparation, in particular to a battery composite electrolyte and a preparation method thereof. Background technique [0002] The electrodes of the existing lead-acid storage batteries are mainly made of lead and its oxides. The electrolyte is a sulfuric acid solution, which belongs to a secondary battery. After being discharged during use, it is recharged, and the battery function can be restored and more repeated use. Over the years, it has brought great contributions and convenience to the economic development of society and human life. However, due to the large amount of sulfuric acid used in the production process of this type of existing storage battery, it causes serious pollution to the environmental soil and water sources, and when it is used for high-current discharge or power loss, the plate is easily damaged, and the temperature adaptability is poor. The battery is easily damaged...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/06H01M10/08H01M10/42
CPCH01M10/06H01M10/08H01M10/4235H01M2300/0025Y02E60/10
Inventor 崔晓迪
Owner 崔晓迪
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