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1. WO2018123964 - REDOX FLOW BATTERY SYSTEM AND METHOD FOR OPERATING SAME

Publication Number WO/2018/123964
Publication Date 05.07.2018
International Application No. PCT/JP2017/046418
International Filing Date 25.12.2017
IPC
H01M 8/18 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
18Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
H01M 8/04 2016.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
H01M 8/04276 2016.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
04276Arrangements for managing the electrolyte stream, e.g. heat exchange
H01M 8/04298 2016.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
04298Processes for controlling fuel cells or fuel cell systems
CPC
H01M 10/0585
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
058Construction or manufacture
0585of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
H01M 10/0587
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
058Construction or manufacture
0587of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
H01M 8/04186
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
04082Arrangements for control of reactant parameters, e.g. pressure or concentration
04186of liquid-charged or electrolyte-charged reactants
H01M 8/04276
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
04276Arrangements for managing the electrolyte stream, e.g. heat exchange
H01M 8/18
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
18Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
H01M 8/188
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
18Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
184Regeneration by electrochemical means
188by recharging of redox couples containing fluids; Redox flow type batteries
Applicants
  • 昭和電工株式会社 SHOWA DENKO K.K. [JP]/[JP]
Inventors
  • 冨田 みゆき TOMITA Miyuki
Agents
  • 正林 真之 SHOBAYASHI Masayuki
  • 林 一好 HAYASHI Kazuyoshi
Priority Data
2016-25631928.12.2016JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) REDOX FLOW BATTERY SYSTEM AND METHOD FOR OPERATING SAME
(FR) SYSTÈME DE BATTERIE RÉDOX ET PROCÉDÉ DE FONCTIONNEMENT DE CELUI-CI
(JA) レドックスフロー電池システム及びその運転方法
Abstract
(EN)
Provided are: a redox flow battery system in which self-discharge during cessation of operation is suppressed, operation can be easily resumed after cessation of operation, and electric power can be extracted or stored even when circulation of an electrolytic solution is ceased; and a method for operating the same. In the redox flow battery system: a battery cell 2 and electrolytic solution tanks 14 are disposed to be substantially horizontal to one another; outgoing pipes 15 are disposed so as to connect the bottom portion of the battery cell 2 with the bottom portions of the electrolytic solution tanks 14; return pipes 16 are disposed so as to connect the upper portion of the battery cell 2 with the upper portions of the electrolytic solution tanks 14; and electrolytic solution recovery routes 20 disposed so as to connect the outgoing pipes 15 to the upper portions of the electrolytic solution tanks 14. The redox flow battery system is further provided with second liquid feeding pumps 21 for recovering electrolytic solutions through the electrolytic solution recovery routes 20, and second opening/closing means 22 provided to the electrolytic solution recovery routes 20.
(FR)
La présente invention concerne : un système de batterie rédox dans lequel une auto-décharge pendant l’arrêt du fonctionnement est supprimée, le fonctionnement peut être facilement repris après un arrêt de fonctionnement, et l’énergie électrique peut être extraite ou stockée, même lorsque la circulation d’une solution électrolytique est arrêtée ; et un procédé de fonctionnement de celui-ci. Dans le système de batterie rédox : une cellule de batterie 2 et des réservoirs de solution électrolytique 14 sont disposés de façon à être sensiblement horizontaux les uns par rapport aux autres ; des tuyaux de sortie 15 sont disposés de façon à raccorder la partie inférieure de la cellule de batterie 2 aux parties inférieures des réservoirs de solution électrolytique 14 ; des tuyaux de retour 16 sont disposés de façon à raccorder la partie supérieure de la cellule de batterie 2 aux parties supérieures des réservoirs de solution électrolytique 14 ; et des voies de récupération de solution électrolytique 20 disposées de façon à raccorder les tuyaux de sortie 15 aux parties supérieures des réservoirs de solution électrolytique 14. Le système de batterie rédox est en outre pourvu de deuxièmes pompes d’alimentation en liquide 21 pour récupérer des solutions électrolytiques par l’intermédiaire des voies de récupération de solution électrolytique 20, et des deuxièmes moyens d’ouverture/fermeture 22 disposés sur les voies de récupération de solution électrolytique 20.
(JA)
運転停止時の自己放電を抑制すると共に、運転停止後の運転再開が容易であり、電解液の循環停止中も電力を取出し又は貯蔵可能なレドックスフロー電池システム及びその運転方法を提供する。電池セル2と電解液タンク14とは、略水平に載置され、往路配管15は電解液タンク14の底部と電池セル2の底部とを連結するように配管され、復路配管16は電池セル2の上部と電解液タンク14の上部とを連結するように配管され、さらに、往路配管15と電解液タンク14の上部とを連結するように配管された電解液回収経路20と、電解液回収経路20を通して電解液を回収するための第2の送液ポンプ21と、電解液回収経路20に設けられた第2の開閉手段22とを備えるレドックスフロー電池システムである。
Also published as
EP2017885912
Latest bibliographic data on file with the International Bureau