Low-temperature stable vanadium electrolyte and application

Low-temperature stable vanadium electrolyte and application

The invention discloses a low-temperature stable vanadium electrolyte which comprises a positive electrode electrolyte and a negative electrode electrolyte, the positive electrode electrolyte and the negative electrode electrolyte both comprise vanadium ions, sulfuric acid, water and an additive, an...

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Hauptverfasser: WU SAIXIANG, YIN XINGRONG, LYU SHANGUANG, WU XUEWEN, WU XIONGWEI
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator WU SAIXIANG
YIN XINGRONG
LYU SHANGUANG
WU XUEWEN
WU XIONGWEI
description The invention discloses a low-temperature stable vanadium electrolyte which comprises a positive electrode electrolyte and a negative electrode electrolyte, the positive electrode electrolyte and the negative electrode electrolyte both comprise vanadium ions, sulfuric acid, water and an additive, and the invention further discloses application of the low-temperature stable vanadium electrolyte to preparation of an all-vanadium redox flow battery. The additive is suitable for the technical field of electrolyte preparation for flow batteries, the low-temperature stability of all-vanadium flow battery negative electrode electrolyte is improved, meanwhile, the additive has the effects of coordination, adsorption, dispersion and the like on vanadium ions, after combination, the radius of the vanadium ions is increased, the permeation rate of the vanadium ions permeating a membrane is reduced, the low-temperature performance of a vanadium battery is improved, and the electrolyte stability is improved; the battery p
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ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Low-temperature stable vanadium electrolyte and application
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