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Electrolyte for sodium ion battery

A sodium-ion battery and electrolyte technology, applied in secondary batteries, circuits, electrical components, etc., can solve the problems of large lithium resource usage, limited lithium resources, and fast consumption

Pending Publication Date: 2022-08-05
DALIAN CBAK POWER BATTERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, the consumption of lithium resources has shown a large amount of use and a fast consumption rate, and the increase in lithium production cannot meet the increase in consumption
This is because first, lithium resources are limited, mainly in the state of spodumene ore and salt lake lithium, and second, lithium cannot be extracted from salt lake lithium in winter

Method used

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  • Electrolyte for sodium ion battery
  • Electrolyte for sodium ion battery

Examples

Experimental program
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Effect test

Embodiment 1

[0033] This embodiment provides an electrolyte of sodium ion battery, its formula: sodium sodium phosphate 16g, carbonate 24g of carbonate, 51g of carbonate dihaxyl ester, 8.5g of diothyl dihal ether 8.5g, and ethyleine tethal acetate 0.5 g. Mix each raw material and make the electrolyte.

Embodiment 2

[0035] This embodiment provides an electrolyte of sodium ion battery, its formula: sodium hexifluorist sodium, 24.5g of carbonate, 46.25 of carbonate dihydrin, tetoothyl glycol dihal ether 11g, sodium citrate 0.25g. Mix each raw material and make the electrolyte.

Embodiment 3

[0037] This embodiment provides a sodium ion battery electrolyte, its formula: sodium sodium sodium, 13.5g of sodium, 22.3g of carbonate, 53.4g of carbonate dihydrin, 10.5g of ethylene glycol diodes, sodium sodium aminotometate 0.3 g. Mix each raw material and make the electrolyte.

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PUM

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Abstract

The invention relates to an ion battery, in particular to an electrolyte for a sodium ion battery. The sodium-ion battery electrolyte comprises an additive, the additive is selected from one or a combination of more of ethylene diamine tetraacetic acid, sodium citrate and sodium iminodiacetate. According to the sodium-ion battery electrolyte, copper ions separated out from a positive electrode can be effectively complexed through the additive, and micro short circuit caused by copper deposition formed by electrons of the copper ions on a negative electrode is prevented.

Description

Technical field [0001] The invention involves ionic batteries, which specifically involves an electrolyte for a sodium ion battery. Background technique [0002] In the 21st century, lithium batteries were applied to mobile phones, computers, wearable equipment, electric vehicles, two -wheeled bicycles, electric tools, street lights and other fields. In recent years, the consumption of lithium resources has shown a large amount of use and fast consumption speed. The growth of lithium production cannot meet the increase in consumption growth. This is because one is that lithium resources are limited, mainly in the state of lithium in the lithium of pyroxyl ore and salt lake, and the second is that the lithium salt lake lithium cannot be lifted in winter. [0003] In contrast, the sodium sources, rich reserves, and sodium reserves are 420 times that of lithium, and the price is much lower than lithium. In recent years, with the crazy rise of lithium prices, sodium ion batteries are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/0567H01M10/054
CPCH01M10/0567H01M10/054H01M2300/0025Y02P70/50Y02E60/10
Inventor 王元杰薄晋科曹仕良田秀君王文武
Owner DALIAN CBAK POWER BATTERY CO LTD
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