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Preparation system and method thereof of high-purity vanadium battery electrolyte

A technology for electrolyte preparation and pure vanadium battery, applied in the fields of materials and chemical industry, can solve the problems of high preparation cost of high-purity vanadium battery electrolyte, hinder the good development of new energy industry, restrict the large-scale promotion and application of VRB, etc. Controllable quality, good economic efficiency and social benefits, low production energy consumption and low operating costs

Active Publication Date: 2016-10-05
INST OF PROCESS ENG CHINESE ACAD OF SCI
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Problems solved by technology

This makes the preparation cost of high-purity vanadium battery electrolyte too high, which seriously restricts the large-scale popularization and application of VRB, which also seriously hinders the good development of new energy industry

Method used

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  • Preparation system and method thereof of high-purity vanadium battery electrolyte

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Embodiment Construction

[0041] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments of the invention. It should be noted that the examples are only used to illustrate the technical solution of the present invention, not to limit it. figure 1 It is a schematic diagram of a preparation system of a high-purity vanadium battery electrolyte of the present invention.

[0042] combine figure 1 , the preparation system of the high-purity vanadium battery electrolyte used in this embodiment includes an industrial-grade vanadyl trichloride storage tank 1, a rectification purification device 2, an intermediate product distiller 3, a hydrolysis chlorine adjustment reaction kettle 4, and a ...

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Abstract

The invention belongs to the fields of chemical industry and material, and concretely discloses a preparation system and a method thereof of a high-purity vanadium battery electrolyte. The preparation system takes industrial-grade vanadium oxytrichloride as a raw material, the industrial-grade vanadium oxytrichloride is subjected to distillation purification to obtain the high-purity vanadylic chloride with purity of more than 4N, the high-purity vanadium oxytrichloride is subjected to hydrolysis as well as chlorinity regulation and control, further, sulfuric acid is added for preparing the high-purity vanadium battery sulfuric acid-hydrochloric acid mixed acid electrolyte. The preparation system and the method have the advantages of strong raw material adaptability, simple flow, cleaning and no pollution, low production energy consumption and low operation cost, and controllable electrolyte quality, are suitable for large-scale continuous production of the high-purity vanadium battery electrolyte, and have good economic benefit and social benefit.

Description

technical field [0001] The invention belongs to the fields of chemical industry and materials, and in particular relates to a preparation system and method of high-purity vanadium battery electrolyte. Background technique [0002] With the continuous innovation of energy technology, the existing energy structure dominated by fossil fuels will be gradually replaced by new energy sources such as solar energy and wind energy. Accordingly, large-scale energy storage technologies that adapt to the new energy structure will be widely used. Vanadium redox flow battery (VRB) will have a huge demand space in the future development of solar and wind power due to its advantages of large design flexibility, easy module combination, small installation site restrictions, and easy adjustment of storage scale. The active material of VRB-vanadium-containing electrolyte (acidic aqueous solution containing vanadium ions) is an important part of it. How to prepare an electrolyte with excellent ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/18
CPCH01M8/18Y02E60/50
Inventor 范川林朱庆山杨海涛
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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