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Organic nickel ion battery electrolyte and organic nickel ion battery

An ion battery, organic nickel technology, applied in organic electrolytes, battery electrodes, nickel storage batteries, etc., can solve the problem that organic nickel ion batteries do not match organic electrolytes, etc., and achieve rich energy source storage systems, simple storage conditions, and simple preparation. Effect

Active Publication Date: 2022-03-18
SOUTH CHINA INST OF COLLABORATIVE INNOVATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the deficiencies in the prior art, the purpose of the present invention is to provide an organic nickel ion battery electrolyte and an organic nickel ion battery for the first time, to solve the problem that the organic nickel ion battery has not matched the organic electrolyte

Method used

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  • Organic nickel ion battery electrolyte and organic nickel ion battery
  • Organic nickel ion battery electrolyte and organic nickel ion battery
  • Organic nickel ion battery electrolyte and organic nickel ion battery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Mix lithium vanadium phosphate, acetylene black, and PVDF (polyvinylidene fluoride) in a mass ratio of 8:1:1 (total mass is 0.1000g), and add NMP (N-methylpyrrolidone) diluent with a rubber tip dropper (20 drops), after mixing evenly, spread it evenly on the titanium foil, and cut it into pole pieces with a diameter of 11 mm after drying. The nickel sheet was used as both the negative electrode and the reference electrode, the glass fiber was used as the separator, and the 1M nickel trifluoromethanesulfonate / ethylene glycol methyl ether solution was used as the electrolyte, which were assembled together with the prepared lithium vanadium phosphate electrode in an argon glove box. into a test battery. The battery can work stably in the voltage window of 0.1-1.7V, and its first two, tenth and twentieth charge-discharge curves are as follows figure 1 shown. At a current density of 10mA / g, the specific capacity of the first charge was 150.37mAh / g, and the specific capacit...

Embodiment 2

[0043] Mix lithium vanadium phosphate, Ketjen black, and PVDF (polyvinylidene fluoride) in a mass ratio of 7:2:1 (the total mass is 0.1000g), and add NMP (N-methylpyrrolidone) to dilute it with a plastic tip dropper. agent (20 drops), after mixing evenly, spread it evenly on the titanium foil, and cut it into pole pieces with a diameter of 11 mm after drying. The nickel foam was used as both the negative electrode and the reference electrode, the glass fiber was used as the separator, and the 0.8M nickel trifluoromethanesulfonate / ethylene glycol methyl ether solution was used as the electrolyte, together with the prepared lithium vanadium phosphate electrode sheet in an argon glove box. Assembled into test cells. The battery can work stably in the voltage window of 0.1-1.6V, and its first two, tenth and twentieth charge-discharge curves are as follows Figure 5 shown. At a current density of 10mA / g, the specific capacity of the first charge was 126.59mAh / g, and the specific ...

Embodiment 3

[0045] Mix lithium vanadium phosphate, acetylene black, and PVDF (polyvinylidene fluoride) according to the mass ratio of 7:2:1 (total mass is 0.1000g), and add NMP (N-methylpyrrolidone) diluent with a rubber tip dropper (20 drops), after mixing evenly, spread it evenly on the titanium foil, and cut it into pole pieces with a diameter of 11 mm after drying. The nickel foam was used as both the negative electrode and the reference electrode, the glass fiber was used as the separator, and the 1M nickel perchlorate / tetraethylene glycol dimethyl ether solution was used as the electrolyte, which were assembled together with the prepared lithium vanadium phosphate electrode in an argon glove box. into a test battery. The battery can work stably in the voltage window of 0.1-1.7V, and its first two, tenth and twentieth charge-discharge curves are as follows Figure 7 shown. At a current density of 100 mA / g, the specific capacity of the first charge was 136.01 mAh / g, and the specific...

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Abstract

The invention discloses an organic nickel ion battery electrolyte and an organic nickel ion battery, and belongs to the field of nickel ion batteries. The organic nickel ion battery comprises a positive electrode, a negative electrode, a diaphragm and electrolyte, the electrolyte comprises soluble nickel salt and an organic ether solvent. The invention provides a concept of an organic nickel ion battery for the first time, and discloses an organic electrolyte capable of actually working, and the organic nickel ion battery is successfully assembled. The battery has a voltage window as high as 1.7 V, and has good rate capability and cycle performance. Compared with a traditional lithium ion battery, the nickel ion battery does not have the problem that an electrode material is dissolved in electrolyte, and the service life of the battery is greatly prolonged. Meanwhile, the electrode plate and the electrolyte are simple to prepare, show excellent electrochemical performance and are expected to become a precedent of a next-generation secondary battery, and the technology certainly enriches a current energy source storage system and has great application value and prospect.

Description

technical field [0001] The invention relates to the field of nickel ion batteries, in particular to an organic nickel ion battery electrolyte and an organic nickel ion battery. Background technique [0002] With the development of social economy, energy and environmental issues are becoming more and more important. At present, due to the advantages of high energy density, high specific capacity, and high output voltage, lithium-ion batteries have been widely used in study, life, scientific research and other fields, such as portable computers, mobile phones, aerospace and so on. However, in recent years, the explosion of lithium-ion batteries has emerged in an endless stream, causing people to pay great attention to the safety performance of lithium-ion batteries. During the charging and discharging process of lithium-ion batteries, it is easy to cause the deposition of lithium metal on the surface of the negative electrode to form lithium dendrites. At the same time, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/26H01M10/30H01M4/58
CPCH01M10/26H01M10/30H01M4/5825H01M2300/0025Y02E60/10
Inventor 赵彦明陈斯源黄春茂
Owner SOUTH CHINA INST OF COLLABORATIVE INNOVATION
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