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Electrolyte composition and metal ion battery comprising same

A technology of metal ions and compositions, applied in the field of metal ion batteries, can solve the problems of short battery life, insufficient capacity of metal ion batteries, poor conductivity, etc., to prolong cycle life, shorten charging time, and improve conductivity Effect

Active Publication Date: 2022-03-11
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the electrolyte composition used in traditional metal-ion batteries is not very conductive, resulting in insufficient capacity and short battery life of metal-ion batteries

Method used

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  • Electrolyte composition and metal ion battery comprising same
  • Electrolyte composition and metal ion battery comprising same
  • Electrolyte composition and metal ion battery comprising same

Examples

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Effect test

Embodiment 1

[0039] 5 parts by weight of 1,2-dichloroethane (1,2-dichloroethane) was mixed with 100 parts by weight of the electrolyte composition (1). After continuous stirring for 12 hours, an electrolyte composition (2) was obtained. Measure the conductivity of the electrolyte composition (2), the result is as figure 2 And shown in Table 1.

Embodiment 2

[0041] The preparation method of the electrolyte composition (2) described in Example 1 was carried out, except that the amount of nor-1,2-dichloroethane was increased from 5 parts by weight to 10 parts by weight to obtain the electrolyte composition (3). Measure the conductivity of electrolyte composition (3), the result is as follows figure 2 And shown in Table 1.

Embodiment 3

[0043] The preparation method of the electrolyte composition (2) described in Example 1 was carried out, except that the amount of nor-1,2-dichloroethane was increased from 5 parts by weight to 15 parts by weight to obtain the electrolyte composition (4). Measure the conductivity of electrolyte composition (4), the result is as follows figure 2 And shown in Table 1.

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Abstract

The present disclosure provides an electrolyte composition and a metal ion battery comprising the same. The electrolyte composition comprises a metal halide; a solvent, wherein the solvent is a halogen-containing ionic liquid or an organic solvent, and the molar ratio of the metal halide to the solvent is 1:1 to 2.2:1; and, an additive , wherein the additive is added in an amount of 0.1-25wt%, based on the total weight of the metal halide and the solvent. The additive is monochloroethane, trichloroethylene, dichloroethane, trichloroethane, phosphorus trichloride, phosphorus pentachloride, picoline, methyl nicotinate, or a combination of the above. The electrolyte composition of the present invention can improve the conductivity of the electrolyte composition, increase the capacity of the metal ion battery, shorten the charging time, and prolong the cycle life of the metal ion battery.

Description

technical field [0001] The present disclosure relates to an electrolyte composition and a metal ion battery comprising the same. Background technique [0002] Aluminum is abundant on the earth, and electronic devices using aluminum as a material have relatively low cost. Due to the low flammability and electronic redox properties of aluminum, the safety of metal ion batteries in use is greatly improved. [0003] However, the electrolyte composition used in traditional metal-ion batteries has poor conductivity, resulting in insufficient capacity and short battery life of metal-ion batteries. [0004] Therefore, the industry needs a new electrolyte composition to solve the above problems. Contents of the invention [0005] The purpose of the present invention is to provide an electrolyte composition which can basically overcome the defects in the prior art and has better conductivity. [0006] According to an embodiment of the present disclosure, the present disclosure pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/0566H01M10/0567H01M10/05
CPCH01M10/0566H01M10/0567H01M10/05Y02E60/10
Inventor 江建志王禄宇黄茂嘉
Owner IND TECH RES INST
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