JP6088442B2 - 低抵抗膜を有するフロー電池 - Google Patents
低抵抗膜を有するフロー電池 Download PDFInfo
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- JP6088442B2 JP6088442B2 JP2013553524A JP2013553524A JP6088442B2 JP 6088442 B2 JP6088442 B2 JP 6088442B2 JP 2013553524 A JP2013553524 A JP 2013553524A JP 2013553524 A JP2013553524 A JP 2013553524A JP 6088442 B2 JP6088442 B2 JP 6088442B2
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- JP
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- Prior art keywords
- ion exchange
- flow battery
- layer
- membrane
- exchange material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000463 material Substances 0.000 claims description 25
- 238000005342 ion exchange Methods 0.000 claims description 23
- 229920000554 ionomer Polymers 0.000 claims description 14
- 239000000376 reactant Substances 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 11
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 11
- -1 perfluoroalkyl sulfonimide Chemical compound 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 6
- 239000012466 permeate Substances 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 2
- UQSQSQZYBQSBJZ-UHFFFAOYSA-N fluorosulfonic acid Chemical compound OS(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-N 0.000 claims description 2
- 230000002209 hydrophobic effect Effects 0.000 claims description 2
- 239000012811 non-conductive material Substances 0.000 claims 2
- 239000000835 fiber Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 description 45
- 239000010410 layer Substances 0.000 description 36
- 239000003014 ion exchange membrane Substances 0.000 description 35
- 239000010408 film Substances 0.000 description 14
- 229920000642 polymer Polymers 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000008151 electrolyte solution Substances 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 7
- 229910052720 vanadium Inorganic materials 0.000 description 6
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 238000003487 electrochemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229920000544 Gore-Tex Polymers 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000004693 Polybenzimidazole Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 125000003010 ionic group Chemical group 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920002480 polybenzimidazole Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229920000557 Nafion® Polymers 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 229920003936 perfluorinated ionomer Polymers 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N phosphonic acid group Chemical group P(O)(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000013047 polymeric layer Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- H01M8/18—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
- H01M8/10—Fuel cells with solid electrolytes
-
- 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
-
- 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
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0088—Composites
- H01M2300/0091—Composites in the form of mixtures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0088—Composites
- H01M2300/0094—Composites in the form of layered products, e.g. coatings
-
- 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
Description
出願人はここに2011年2月8日出願の米国特許出願第13/023101号明細書に基づく優先権を主張し、その参照により本明細書の開示に含まれる。また本発明は、2009年12月18日出願の国際出願PCT/US09/68681号、ならびに2011年2月7日出願の米国特許出願第13/022285号明細書に関連し、その各々は参照により本明細書の開示に含まれる。
ここで、「R」はイオン抵抗を表し、「ρ」は膜のバルク抵抗率を表し、「L」は膜厚60を表し、「A」は膜の断面積59(図3参照)を表す。面積比抵抗は、イオン抵抗および膜断面積59(図3参照)の関数である。面積比抵抗は、例えば次の式を用いて求められる。
ここで「RAS」はイオン交換膜28の面積比抵抗を表す。
V=f(iRAS)
ここで「nv」は過電圧の非効率性を表し、「V」はフロー電池セル20の電圧電位を表し、「Vocv」は開放電圧を表し、「f()」は関数関係を表し、「i」はイオン交換膜38を横切るイオン電流を表す。
Fluxcross-over=f(L)
ここで「nc」はクーロン・クロスオーバの非効率性を表し、「Fluxcross-over」はイオン交換膜38を通して拡散するレドックス対の化学種の流動速度を表し、「Consumption」はイオン交換膜38を横切るイオン電流によって変換されるレドックス対の化学種の比率を表す。
Claims (11)
- 第1の電極および第2の電極と、
425mΩ・cm2未満の面積比抵抗を有する膜と、
前記膜を湿潤させる、可逆的なレドックス対の反応物を有する溶液と、
を備え、
前記膜が、前記第1の電極と前記第2の電極との間において、100mA/cm2を超える電流密度でイオン電流を伝達するように動作可能であり、
前記膜が、125μm未満の厚さを有するとともに、第1のイオン交換材料を備え、前記第1のイオン交換材料が、パーフルオロアルキル・スルホンイミド・イオノマを備えた、フロー電池。 - 前記膜が、前記溶液中の非レドックス対反応物を透過できるものとして構成されることを特徴とする請求項1に記載のフロー電池。
- 前記膜が、前記第1のイオン交換材料と、前記第1のイオン交換材料とは異なる材料と、の複合材料を備えることを特徴とする請求項1に記載のフロー電池。
- 前記膜が、第1の層と、第2の層と、を備え、前記第1の層が前記第1のイオン交換材料を有し、前記第2の層が前記第1のイオン交換材料とは異なる材料を備えることを特徴とする請求項1に記載のフロー電池。
- 前記第2の層における、前記第1の層のイオン交換材料とは異なる材料が、非導電材料のマトリクスを備えることを特徴とする請求項4に記載のフロー電池。
- 前記マトリクスが、イオン交換バインダを含浸することを特徴とする請求項5に記載のフロー電池。
- 前記第2の層における、前記第1の層のイオン交換材料とは異なる材料が、疎水性の多孔質材料を備えることを特徴とする請求項4に記載のフロー電池。
- 前記第2の層が、第2の種類のイオノマを備えることを特徴とする請求項4に記載のフロー電池。
- 前記第2の層が、前記第1の層と、第3の層と、の間に配置されるとともに、前記第3の層が、第2のイオン交換材料を有することを特徴とする請求項4に記載のフロー電池。
- 前記非導電材料が、繊維ガラス、ポリテトラフルオロエチレン繊維、およびポリテトラフルオロエチレンの多孔質シートのうちの一つを備えることを特徴とする請求項5に記載のフロー電池。
- 前記第1のイオン交換材料とは異なる材料が、パーフルオロスルホン酸を備えることを特徴とする請求項4に記載のフロー電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/023,101 | 2011-02-08 | ||
US13/023,101 US20120202099A1 (en) | 2011-02-08 | 2011-02-08 | Flow battery having a low resistance membrane |
PCT/US2012/024334 WO2012109359A1 (en) | 2011-02-08 | 2012-02-08 | Flow battery having a low resistance membrane |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014508384A JP2014508384A (ja) | 2014-04-03 |
JP6088442B2 true JP6088442B2 (ja) | 2017-03-01 |
Family
ID=45689047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013553524A Active JP6088442B2 (ja) | 2011-02-08 | 2012-02-08 | 低抵抗膜を有するフロー電池 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20120202099A1 (ja) |
EP (1) | EP2673827B1 (ja) |
JP (1) | JP6088442B2 (ja) |
KR (1) | KR101931243B1 (ja) |
CN (1) | CN103339780B (ja) |
WO (1) | WO2012109359A1 (ja) |
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2011
- 2011-02-08 US US13/023,101 patent/US20120202099A1/en not_active Abandoned
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2012
- 2012-02-08 WO PCT/US2012/024334 patent/WO2012109359A1/en active Application Filing
- 2012-02-08 KR KR1020137022215A patent/KR101931243B1/ko active IP Right Grant
- 2012-02-08 EP EP12705026.8A patent/EP2673827B1/en active Active
- 2012-02-08 JP JP2013553524A patent/JP6088442B2/ja active Active
- 2012-02-08 CN CN201280007923.9A patent/CN103339780B/zh active Active
Also Published As
Publication number | Publication date |
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US20120202099A1 (en) | 2012-08-09 |
WO2012109359A1 (en) | 2012-08-16 |
EP2673827B1 (en) | 2020-09-02 |
JP2014508384A (ja) | 2014-04-03 |
CN103339780A (zh) | 2013-10-02 |
KR20140016894A (ko) | 2014-02-10 |
EP2673827A1 (en) | 2013-12-18 |
KR101931243B1 (ko) | 2018-12-20 |
CN103339780B (zh) | 2016-09-21 |
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