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Control method and device for flow battery energy storage system

A technology of flow battery and energy storage system, applied in fuel cells, fuel cell additives, reactant parameter control, etc., can solve problems such as low charging and discharging efficiency, reduce pump consumption, avoid low charging and discharging efficiency, reduce The effect of reaction polarization

Active Publication Date: 2018-03-23
DONGFANG ELECTRIC (CHENGDU) HYDROGEN FUEL CELL TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] Embodiments of the present invention provide a control method and device for a flow battery energy storage system to at least solve the technical problem of low charge and discharge efficiency in the prior art when the flow battery energy storage system works under different working conditions

Method used

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  • Control method and device for flow battery energy storage system
  • Control method and device for flow battery energy storage system
  • Control method and device for flow battery energy storage system

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Embodiment Construction

[0032] In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0033] It should be noted that the terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used may be interchanged under appropriate ...

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Abstract

The invention discloses a flow cell energy storage system control method and device. The method comprises the following steps: acquiring the electricity generation power of an electricity generation device and the electricity using power needed by an electricity using load; acquiring work information of a flow cell energy storage system based on the electricity generation power and the electricity using power, wherein the flow cell energy storage system comprises a plurality of first liquid storage tank sub-regions, first charge station regions of electrolyte of each first liquid storage tank sub-region are different, and the work information comprises the charging or discharging work power of the flow cell energy storage system; based on second charge station regions matched with the work power, determining second liquid storage tank sub-regions in the first liquid storage tank sub-regions, wherein the first charge station regions comprise second charge station regions; and executing charging or discharging operation by controlling the second liquid storage tank sub-regions. The flow cell energy storage system control method and device can be used for solving the technical problem that the charging and discharging efficiencies are low under the condition that the flow cell energy storage system works in different work states in the prior art.

Description

technical field [0001] The invention relates to the field of electrochemical energy storage systems, in particular to a control method and device for a flow battery energy storage system. Background technique [0002] Since the power output of clean energy such as wind energy or solar energy fluctuates in power, in order to ensure a stable power output that can ultimately be provided to users, it is necessary to smooth the power output curve of clean energy by “shaving peaks and filling valleys” through the energy storage system. [0003] In the prior art, when the power generation of clean energy is not enough to meet the electricity demand of users, it can be discharged through a flow battery energy storage system (eg, an all-vanadium redox flow battery energy storage system) to provide users with Electricity to make up for the lack of clean energy power generation; when the clean energy power generation is higher than the user's electricity demand, the flow battery energy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/04082H01M8/04858
CPCH01M8/04201H01M8/04925Y02E60/50
Inventor 汤浩殷聪李扬刘煜卢毅
Owner DONGFANG ELECTRIC (CHENGDU) HYDROGEN FUEL CELL TECH CO LTD
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