JP6378319B2 - フロー電池の健全性維持方法 - Google Patents
フロー電池の健全性維持方法 Download PDFInfo
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- JP6378319B2 JP6378319B2 JP2016511716A JP2016511716A JP6378319B2 JP 6378319 B2 JP6378319 B2 JP 6378319B2 JP 2016511716 A JP2016511716 A JP 2016511716A JP 2016511716 A JP2016511716 A JP 2016511716A JP 6378319 B2 JP6378319 B2 JP 6378319B2
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- 238000000034 method Methods 0.000 title claims description 28
- 230000036541 health Effects 0.000 title claims description 7
- 238000012423 maintenance Methods 0.000 title description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 72
- 230000003647 oxidation Effects 0.000 claims description 71
- 239000008151 electrolyte solution Substances 0.000 claims description 29
- 239000003792 electrolyte Substances 0.000 claims description 24
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 8
- 229910052720 vanadium Inorganic materials 0.000 claims description 7
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 7
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 235000006408 oxalic acid Nutrition 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 238000001739 density measurement Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000007086 side reaction Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000006479 redox reaction Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003014 ion exchange membrane Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04791—Concentration; Density
- H01M8/04798—Concentration; Density of fuel cell reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0444—Concentration; Density
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
- H01M8/184—Regeneration by electrochemical means
- H01M8/188—Regeneration by electrochemical means by recharging of redox couples containing fluids; Redox flow type batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/20—Indirect fuel cells, e.g. fuel cells with redox couple being irreversible
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Description
Claims (17)
- フロー電池の健全性維持方法であって、
(a)フロー電池の電気化学セルの負極側及び正極側のそれぞれにおける第1電解液及び第2電解液中の共通の電気化学的活性元素種の平均酸化状態が既定の平均酸化状態の値よりも低いまたは高い値に向かって漸進するという予測に応じて、前記平均酸化状態を、それぞれ、前記既定の平均酸化状態より高くなるか、あるいは低くなるように初期設定するステップと、
(b)前記平均酸化状態を測定するステップと、
(c)前記初期設定ステップにおいて前記既定の平均酸化状態よりも低くなるように初期設定された前記平均酸化状態が、前記既定の平均酸化状態の値よりも高い側に外れていることに応答して、前記第2電解液中の前記共通の電気化学的活性元素種の原子価状態を減少させるように、前記正極側の前記第2電解液に還元剤を添加し、または、前記初期設定ステップにおいて前記既定の平均酸化状態よりも高くなるように初期設定された前記平均酸化状態が、前記既定の平均酸化状態の値よりも低い側に外れていることに応答して、前記第1電解液中の前記共通の電気化学的活性元素種の原子価状態を増加させるように、前記負極側の前記第1電解液に酸化剤を添加し、前記平均酸化状態を調整するステップと、
を備えた、方法。 - 前記共通の電気化学的活性元素種は、バナジウム、鉄、及びクロムからなる群から選択される、請求項1に記載の方法。
- 前記測定ステップ(b)は、第1電解液及び第2電解液中の前記共通の電気化学的活性元素種の異なる原子価状態の各濃度から前記平均酸化状態を直接測定することを含む、請求項1に記載の方法。
- 前記測定ステップ(b)は、前記異なる原子価状態のモル濃度を前記共通の電気化学的活性元素種の全モル量で割ったものの関数として前記平均酸化状態を測定することを含む、請求項3に記載の方法。
- 前記還元剤が酸を含む、請求項1に記載の方法。
- 前記還元剤がシュウ酸を含む、請求項1に記載の方法。
- 前記還元剤がギ酸を含む、請求項1に記載の方法。
- 前記還元剤がアルコールを含む、請求項1に記載の方法。
- 前記酸化剤が酸素ガスを含む、請求項1に記載の方法。
- 前記酸化剤が空気を含む、請求項1に記載の方法。
- 前記酸化剤が過酸化水素を含む、請求項1に記載の方法。
- 前記既定の平均酸化状態の値が、平均酸化状態の所定の範囲である、請求項1に記載の方法。
- 前記測定ステップ(b)は、第1電解液及び第2電解液中の前記共通の電気化学的活性元素種の異なる原子価状態の各濃度を表す測定値を収集することを含む、請求項1に記載の方法。
- 前記測定値が濃度測定値を含む、請求項13に記載の方法。
- 前記測定値は、光学的測定値、導電率測定値、密度測定値、粘度測定値及びこれらの組み合わせからなる群から選択される、請求項13に記載の方法。
- 前記平均酸化状態が前記既定の平均酸化状態の値よりも高い側または低い側に外れていることに応答して、前記フロー電池の充電容量を減少させることをさらに含む、請求項1に記載の方法。
- 前記フロー電池は、
第1電極、前記第1電極から離間された第2電極、及び前記第1電極と前記第2電極の間に配置された電解質セパレータ層を含む、前記電気化学セルと、
前記電気化学セルの外部にある供給/貯蔵システムであって、前記電気化学セルと流体連通された第1容器及び第2容器を含む供給/貯蔵システムと、
を備える請求項1に記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/US2013/039410 WO2014178874A1 (en) | 2013-05-03 | 2013-05-03 | Method of maintaining health of a flow battery |
Publications (2)
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JP2016517160A JP2016517160A (ja) | 2016-06-09 |
JP6378319B2 true JP6378319B2 (ja) | 2018-08-22 |
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Country Status (6)
Country | Link |
---|---|
US (1) | US11831054B2 (ja) |
EP (1) | EP2992567A4 (ja) |
JP (1) | JP6378319B2 (ja) |
KR (1) | KR101969625B1 (ja) |
CN (1) | CN105144455A (ja) |
WO (1) | WO2014178874A1 (ja) |
Families Citing this family (6)
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KR101609907B1 (ko) * | 2013-07-11 | 2016-04-07 | 오씨아이 주식회사 | 레독스 흐름 전지 시스템 및 그 제어방법 |
CN109494388B (zh) * | 2017-09-28 | 2021-11-09 | 大连融科储能技术发展有限公司 | 一种用于实时监测全钒液流电池副反应的方法及系统 |
US20200119384A1 (en) * | 2018-10-10 | 2020-04-16 | Massachusetts Institute Of Technology | Electrochemical systems with precipitated reactants and related methods |
US11362359B2 (en) | 2019-05-21 | 2022-06-14 | Raytheon Technologies Corporation | Redox flow battery system with electrochemical recovery cell |
KR20220075650A (ko) * | 2020-11-30 | 2022-06-08 | 롯데케미칼 주식회사 | 바나듐 레독스 흐름 전지용 전해액의 제조방법 |
DK180929B1 (en) | 2021-02-25 | 2022-06-29 | Univ Aarhus | System and method for balancing a vanadium redox flow battery |
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EP1310008A1 (en) * | 2000-08-16 | 2003-05-14 | Squirrel Holdings Ltd. | Vanadium electrolyte preparation using asymmetric vanadium reduction cells and use of an asymmetric vanadium reduction cell for rebalancing the state of charge of the electrolytes of an operating vanadium redox battery |
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2013
- 2013-05-03 CN CN201380076293.5A patent/CN105144455A/zh active Pending
- 2013-05-03 EP EP13883794.3A patent/EP2992567A4/en active Pending
- 2013-05-03 WO PCT/US2013/039410 patent/WO2014178874A1/en active Application Filing
- 2013-05-03 JP JP2016511716A patent/JP6378319B2/ja active Active
- 2013-05-03 KR KR1020157034051A patent/KR101969625B1/ko active IP Right Grant
- 2013-05-03 US US14/888,099 patent/US11831054B2/en active Active
Also Published As
Publication number | Publication date |
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CN105144455A (zh) | 2015-12-09 |
US20160056487A1 (en) | 2016-02-25 |
EP2992567A4 (en) | 2016-12-21 |
KR20160008212A (ko) | 2016-01-21 |
JP2016517160A (ja) | 2016-06-09 |
EP2992567A1 (en) | 2016-03-09 |
KR101969625B1 (ko) | 2019-04-16 |
WO2014178874A1 (en) | 2014-11-06 |
US11831054B2 (en) | 2023-11-28 |
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