Flow battery modular unit and flow energy storage system

A technology of liquid flow battery and liquid flow energy storage, applied in the direction of fuel cells, electrical components, fuel cell additives, etc., can solve the problems affecting the work of the entire system, replacement, and maintenance of a single stack, and achieve easy control. Management, installation and debugging are fast, and the effect of small footprint

Pending Publication Date: 2020-02-21
湖南钒谷新能源技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] One of the purposes of the present invention is to solve the problem that the replacement and maintenance of a single stack in the existing liquid flow battery system is heavy and affects the work of the entire system

Method used

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  • Flow battery modular unit and flow energy storage system
  • Flow battery modular unit and flow energy storage system
  • Flow battery modular unit and flow energy storage system

Examples

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with specific embodiments, wherein, the accompanying drawings are only for exemplary illustration, and what represent is only a schematic diagram, rather than a physical map, and cannot be understood as a limitation to this patent; in order to better illustrate the present invention In the embodiments, certain components in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; it is understandable to those skilled in the art that some known structures and their descriptions in the drawings may be omitted.

[0021] Such as figure 1 As shown, the flow battery modular unit 1a according to the present invention includes: an electric stack 1, a delivery assembly and a monitoring assembly, wherein: the delivery assembly includes a positive electrode pump and a negative electrode pump for providing circulating power for the electrolyte, control and external tube...

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Abstract

The invention relates to a flow battery unit and system. On one hand, the invention provides a flow battery modular unit which includes a pile module, a conveying component, and a monitoring component. The conveying component includes a positive pump, a negative pump, a valve, and a pipe connected with the outside. The monitoring component includes a pressure sensor (4) which is used for detectingthe pressure of the liquid inlet of the pile, and a monitoring device (5) which is used for monitoring/displaying the pressure, temperature and voltage of the pile module. One the other hand, the invention relates to a flow battery system using the modular unit. The module unit can be used alone or as a modular standard unit for large-scale system integration. The unit has the advantages of highintegration, small footprint, easy maintenance, fast installation and debugging, and easy control and management.

Description

technical field [0001] The invention relates to a liquid flow energy storage system, and more particularly relates to an all-vanadium liquid flow energy storage system. Background technique [0002] The development and utilization of renewable energy has been paid more and more attention, and its application is becoming more and more extensive. However, it has the characteristics of randomness, volatility, and non-controllability. After being connected to the power grid, it will cause fluctuations in the voltage and frequency of the power grid, affecting the safe and stable operation of the power grid. The all-vanadium flow energy storage battery system is composed of stack unit, electrolyte, electrolyte storage unit, pipeline transportation system, BMS (battery management system) and so on. Because of its high capacity, flexible capacity configuration, long cycle life, safety and environmental protection, etc., it is now widely used in the fields of wind and solar hybrid, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04082H01M8/04186H01M8/04276H01M8/0438H01M8/04537H01M8/18H01M8/2455H01M8/2475
CPCH01M8/04186H01M8/04201H01M8/04276H01M8/0438H01M8/04544H01M8/188H01M8/2455H01M8/2475Y02E60/50
Inventor 黄涛余龙海史小虎熊建新姜鹏
Owner 湖南钒谷新能源技术有限公司
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