JP6117196B2 - フローバッテリシステム内での水素の放出を検出および軽減するシステムおよび方法 - Google Patents
フローバッテリシステム内での水素の放出を検出および軽減するシステムおよび方法 Download PDFInfo
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- 239000001257 hydrogen Substances 0.000 title claims description 61
- 229910052739 hydrogen Inorganic materials 0.000 title claims description 61
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 50
- 238000000034 method Methods 0.000 title description 19
- 230000000116 mitigating effect Effects 0.000 title description 4
- 239000007789 gas Substances 0.000 claims description 24
- 239000000376 reactant Substances 0.000 claims description 21
- 150000002431 hydrogen Chemical class 0.000 claims description 12
- 238000003487 electrochemical reaction Methods 0.000 claims description 10
- 230000002441 reversible effect Effects 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 4
- 238000005349 anion exchange Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000010926 purge Methods 0.000 description 16
- 150000002500 ions Chemical class 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000004146 energy storage Methods 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000010517 secondary reaction Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229920000557 Nafion® Polymers 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
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- 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
- H01M8/04858—Electric variables
- H01M8/04895—Current
- H01M8/04902—Current of the individual fuel cell
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- H—ELECTRICITY
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- 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
- H01M8/04537—Electric variables
- H01M8/04574—Current
- H01M8/04597—Current of auxiliary devices, e.g. batteries, capacitors
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04276—Arrangements for managing the electrolyte stream, e.g. heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- 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
- H01M8/04664—Failure or abnormal function
- H01M8/04671—Failure or abnormal function of the individual fuel cell
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- H01M8/188—Regeneration by electrochemical means by recharging of redox couples containing fluids; Redox flow type batteries
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Description
なお、好ましい方法について、以下に記載する。
好ましい方法は、複数のフローバッテリ電池、電力コンバータおよび電気化学電池を有したフローバッテリシステム内の水素の放出を軽減する方法であって、
前記フローバッテリシステム内の水素の放出によって生じた水素を前記電気化学電池へと供給するステップと、
反応物を前記電気化学電池へと供給するステップと、
前記電気化学電池を用いて、前記水素と前記反応物との間の電気化学反応を通して第1の電流を生成するステップと、
前記第1の電流に応答して前記フローバッテリ電池と前記電力コンバータとの間の電力の交換を制御するステップと、
を含むことができる。
好ましくは前記反応物は空気を備えることができる。
好ましくは前記制御するステップは、前記第1の電流が閾値よりも高いときに、前記フローバッテリ電池と前記電力コンバータとの間の電力の交換を停止することを含むことができる。
好ましくは前記閾値は、前記フローバッテリシステム内の第1の溶液が約90%よりも大きい充電状態を有する場合と、水素が前記第1の溶液内で形成され始める場合との一方に対応することができる。
好ましくは前記制御するステップは、前記第1の電流が閾値よりも大きいときに前記フローバッテリ電池内の電流密度を減少させることと、前記第1の電流が前記閾値よりも大きいときに前記フローバッテリ電池間の電圧を減少させることの一方を含むことができる。
好ましくは前記閾値は、前記フローバッテリシステム内の第1の溶液が約90%よりも大きい充電状態を有する場合と、水素が前記第1の溶液内で形成され始める場合との一方に対応することができる。
好ましくは前記制御するステップは、電流センサを用いて前記第1の電流を検出し、この検出された第1の電流を示す電流信号をコントローラに送信し、
前記電力コンバータに制御信号を送信するように前記電流信号を処理することを含むことができる。
好ましくは前記水素は、第1の可逆酸化還元結合反応物を有した第1の溶液を含む前記フローバッテリシステムのリザーバから、前記電気化学電池へと供給されることができる。
この方法は好ましくは、バルブを介して前記リザーバから前記電気化学電池に前記水素を導くステップをさらに含むことができる。
この方法は好ましくは、前記水素が前記電気化学電池へと流れるように前記リザーバから前記水素をパージするステップをさらに含むことができる。
Claims (5)
- 第1の可逆酸化還元結合反応物を有した第1の溶液を含む第1のリザーバと、
前記第1の溶液を受ける複数のフローバッテリ電池と、
前記第1のリザーバと接続されかつ流体連通した水素センサであって、第1のリザーバのキャビティの上部領域からガスを受けるように構成された水素センサと、
前記水素センサによって送信される電流信号の関数として前記フローバッテリ電池と電力を交換する電力コンバータと、
を備え、
前記水素センサが、電気化学電池を備え、該電気化学電池が、前記第1のリザーバから水素を受ける第1の電極と、反応物を受ける第2の電極と、前記水素と前記反応物との間の電気化学反応によって前記電気化学電池内で生じた電流を検出し、この検出された電流を示す電流信号を送信する電流センサとを有し、
前記第1の電極が、前記第1のリザーバのリザーバ外壁内に位置し、前記第2の電極が、前記第1のリザーバの前記リザーバ外壁外に位置することを特徴とするフローバッテリシステム。 - 前記電気化学電池は、陽子交換電解質層およびアニオン交換電解質層の一方をさらに備え、この一方の電解質層は、前記第1の電極と前記第2の電極とを分離することを特徴とする請求項1に記載のフローバッテリシステム。
- 前記第1の溶液はアノード液を備え、前記第1の電極はアノードを備え、前記第2の電極はカソードを備えることを特徴とする請求項1に記載のフローバッテリシステム。
- 前記反応物は空気を備えることを特徴とする請求項1に記載のフローバッテリシステム。
- コントローラをさらに備え、該コントローラは、前記電流信号を受け、前記電力コンバータが前記フローバッテリ電池と電力を交換する割合を制御するように前記電力コンバータに制御信号を送信することを特徴とする請求項1に記載のフローバッテリシステム。
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US13/164,059 | 2011-06-20 | ||
US13/164,059 US8668997B2 (en) | 2011-06-20 | 2011-06-20 | System and method for sensing and mitigating hydrogen evolution within a flow battery system |
PCT/US2012/043340 WO2012177754A1 (en) | 2011-06-20 | 2012-06-20 | System and method for sensing and mitigating hydrogen evolution within a flow battery system |
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US (2) | US8668997B2 (ja) |
EP (1) | EP2721679B1 (ja) |
JP (1) | JP6117196B2 (ja) |
KR (1) | KR101960779B1 (ja) |
CN (1) | CN103733409B (ja) |
DK (1) | DK2721679T3 (ja) |
WO (1) | WO2012177754A1 (ja) |
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EP2721679B1 (en) | 2016-05-18 |
CN103733409B (zh) | 2017-02-15 |
US20120321916A1 (en) | 2012-12-20 |
KR20140035919A (ko) | 2014-03-24 |
DK2721679T3 (en) | 2016-06-27 |
KR101960779B1 (ko) | 2019-03-21 |
US20140132238A1 (en) | 2014-05-15 |
EP2721679A1 (en) | 2014-04-23 |
US8668997B2 (en) | 2014-03-11 |
US9356303B2 (en) | 2016-05-31 |
WO2012177754A1 (en) | 2012-12-27 |
CN103733409A (zh) | 2014-04-16 |
JP2014523069A (ja) | 2014-09-08 |
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