Flow battery negative electrolyte solution sealing system and flow battery system

A negative electrode electrolyte and flow battery technology, applied in fuel cells, regenerative fuel cells, sealing/supporting devices, etc., can solve the problems of carbon felt losing its electrical conductivity and catalytic function, unable to characterize, and sticking to its surface, etc., to achieve Good operation safety and stability, good fluidity and air tightness, and the effect of reducing the capacity decay speed
CN104900892AActive Publication Date: 2015-09-09DALIAN RONGKE POWER
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DALIAN RONGKE POWER
Publication Date
2015-09-09

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Abstract

The invention discloses a flow battery negative electrolyte solution sealing system and a flow battery system. The flow battery negative electrolyte solution sealing system comprises: an organic matter layer disposed on the negative electrolyte solution in a negative storage tank; a first pipeline connected to the negative electrolyte solution outlet of an electric pile and the negative storage tank, with one end of the first pipeline connected to the negative electrolyte solution outlet of the electric pile and the other end placed in the negative electrolyte solution; and a second pipeline connected to the negative storage tank and the negative electrolyte solution inlet of the electric pile. According to the invention, the organic matter layer is disposed on the negative electrolyte solution in the negative storage tank, and liquid state organic molecules have good fluidity and air tightness, thus ensuring good air isolation effect of the negative electrolyte solution to air, and the negative storage tank and a positive storage tank are connected by pipelines, thus ensuring the negative electrolyte solution in a safe liquid level state. Also compared with common flow battery systems, the capacity fading speed is reduced, and the flow battery system provided by the invention has good operation safety and stability.
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Description

technical field

[0001] The invention relates to the field of liquid flow batteries, in particular to a liquid flow battery negative electrode electrolyte sealing system and a liquid flow battery system. Background technique

[0002] The increasing demand for traditional energy in the development of modern economy and society has made the problem of insufficient supply of traditional energy increasingly prominent, and people have to look for renewable energy such as wind energy and solar energy. In recent years, new energy represented by wind energy and solar energy has occupied a place in energy supply. With the increase of demand, the proportion of new energy is still increasing, but the defect of intermittent power generation caused by the influence of weather still exists. become a bottleneck hindering its development. Due to its huge energy storage advantages, flow batteries have received more and more attention, and there are continuous reports of MW-level demonstratio...

Claims

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