Sealed aqueous flow battery systems with in-tank electrolyte rebalancing

A liquid flow battery and battery system technology, applied in electrolyte flow processing, aqueous electrolyte, regenerative fuel cells, etc.

Inactive Publication Date: 2018-07-17
CASE WESTERN RESERVE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such constructions are very unsuitable for installations intended to last a long time with minimal maintenance and low cost

Method used

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  • Sealed aqueous flow battery systems with in-tank electrolyte rebalancing
  • Sealed aqueous flow battery systems with in-tank electrolyte rebalancing
  • Sealed aqueous flow battery systems with in-tank electrolyte rebalancing

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Embodiment Construction

[0123] As used herein in conjunction with the accompanying drawings, approximate language can be used to modify any quantitative representation that can be changed without causing changes in the basic functions related thereto. Therefore, in some cases, the value modified by the term or terms such as "about" and "substantially" may not be limited to the precise value specified.

[0124] The term "sealed water-phase flow battery" as used herein refers to a thermodynamically closed and pressurizable system.

[0125] As used herein, the term "passive" when it refers to a compound / rebalance method or system means a method or system that does not require additional pumps, pumping energy, or control systems.

[0126] The terms "rebalance" and "composite" may be used interchangeably when describing the present invention.

[0127] This technology provides a battery system including a sealed water-phase flow battery using a passive, in-tank electrolyte composite system. The composite system a...

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Abstract

A battery system comprising a sealed aqueous flow battery that employs a passive, in-tank electrolyte recombination system. The recombination system allows for electrolyte stabilization in batteries where hydrogen evolution may occur as a side reaction without the need to use any externally-supplied rebalancing reactants. The system is a passive system that does not require a control system, additional pumps, or pumping energy.

Description

[0001] Related applications and government rights [0002] This application claims priority to the U.S. Provisional Patent Application Serial No. 62 / 239,469 filed on October 9, 2015. [0003] This invention was completed with government support under the contract number DE-AC04-94AL85000 awarded by the US Department of Energy. The government has certain rights in the invention. Technical field [0004] This invention relates to a battery system including a sealed water-phase flow battery (battery) using a passive, in-tank electrolyte composite system. The composite system allows the electrolyte to be stabilized in the battery in which hydrogen evolution can occur as a side reaction without using any externally supplied rebalance reactant. The system is a passive system, which does not require a control system, additional pumps or pumping energy. Background technique [0005] Flow batteries store electrical energy in a chemical form and then distribute the stored energy in electrica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/18H01M2/36H01M2/38H01M4/36H01M8/20
CPCH01M8/188H01M8/04276H01M8/0662H01M8/0693Y02E60/50Y02E60/10H01M4/96H01M8/04089H01M2300/0002H01M4/36H01M8/20
Inventor 史蒂文·塞尔韦斯通杰西·S·温赖特罗伯特·萨维内尔
Owner CASE WESTERN RESERVE UNIV
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