JPS61269866A - Redox flow cell - Google Patents
Redox flow cellInfo
- Publication number
- JPS61269866A JPS61269866A JP60111160A JP11116085A JPS61269866A JP S61269866 A JPS61269866 A JP S61269866A JP 60111160 A JP60111160 A JP 60111160A JP 11116085 A JP11116085 A JP 11116085A JP S61269866 A JPS61269866 A JP S61269866A
- Authority
- JP
- Japan
- Prior art keywords
- insulating means
- conduit
- cell
- electrolyte
- redox flow
- 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.)
- Pending
Links
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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04186—Arrangements for control of reactant parameters, e.g. pressure or concentration of liquid-charged or electrolyte-charged 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
- H01M8/04276—Arrangements for managing the electrolyte stream, e.g. heat exchange
-
- 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
-
- 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
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は、電解液が流れる配管系の構造が改良された
レドックスフロー電池に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a redox flow battery with an improved structure of a piping system through which an electrolytic solution flows.
［従来の技術］
たとえば特開昭５９−１３１５３号に、電力貯蔵用２次
電池としてレドックスフロー電池の一例が開示されてい
る。この種のレドックスフロー電池では、流通型電解セ
ルを用いており、電極活物質を含む電解液が、電解液タ
ンクと流通型電解セルとの間を流通され、充放電動作が
行なわれる。[Prior Art] For example, Japanese Patent Application Laid-Open No. 59-13153 discloses an example of a redox flow battery as a secondary battery for power storage. This type of redox flow battery uses a flow-through electrolytic cell, and an electrolytic solution containing an electrode active material is passed between an electrolytic solution tank and the flow-through electrolytic cell to perform charging and discharging operations.
電解液としては、たとえば塩酸が用いられ、電極活物質
としては、たとえばＦｅＣｕ５およびＣ１０立、が用い
られる。充電動作に際しては、ｌ”ｅ２＋イオンがＦｅ
３＋イオンに、Ｃｒ ３＋イオンがＣｒ２＋イオンに変
化し、他方、放電動作では逆方向の電気化学反応が生じ
る。As the electrolytic solution, for example, hydrochloric acid is used, and as the electrode active material, for example, FeCu5 and C10 are used. During charging operation, l”e2+ ions become Fe
3+ ions, Cr 3+ ions change to Cr2+ ions, while an electrochemical reaction in the opposite direction occurs in the discharge operation.
ところで、レドックスフロー電池では、出力を上げるた
めに、通常、第２図に示すように、複数個のセルが直列
接続された構成が用いられている。By the way, in order to increase the output of a redox flow battery, a configuration in which a plurality of cells are connected in series is usually used, as shown in FIG. 2.
すなわち、正極セル１と負極セル４とからなる第１のセ
ル、正極セル２および負極セル５からなる第２のセル、
ならびに正極セル３および負極セル６からなる第３のセ
ルが、図示のように直列に接続されている。なお、各セ
ル間には、隔壁７．８が設けられている。That is, a first cell consisting of a positive electrode cell 1 and a negative electrode cell 4, a second cell consisting of a positive electrode cell 2 and a negative electrode cell 5,
A third cell including a positive electrode cell 3 and a negative electrode cell 6 are connected in series as shown. Note that partition walls 7.8 are provided between each cell.
ところで、第２図に示した多段接続型のレドックスフロ
ー電池では、正極セル１，２．３が、配管９．１０によ
り、正極液タンク１１に接続されており、他方負極セル
４，５．６が、配管１２゜１３により負極液タンク１４
に接続されている。By the way, in the multi-stage connection type redox flow battery shown in FIG. 2, the positive electrode cells 1, 2.3 are connected to the positive electrode liquid tank 11 through piping 9.10, and the negative electrode cells 4, 5.6 However, the anode liquid tank 14 is connected to the pipe 12゜13.
It is connected to the.
すなわち、多段接続型レドックスフロー電池においては
、通常、正極セル１．２．３および負極セル４．５．６
に供給される正極液および負極液はそれぞれ、共通の電
解液タンク１１．１４から供給される。That is, in a multi-stage connected redox flow battery, normally the positive electrode cell 1.2.3 and the negative electrode cell 4.5.6
The positive and negative electrolytes supplied to each are supplied from a common electrolyte tank 11.14.
［発明が解決しようとする問題点］
上述したような多段接続型レドックスフロー電池では、
大きな出力を得ることが一応可能とされているが、第２
図に示すように、共通の正極液タンク１１および負極液
タンク１４に、各正極セル１．２．３および負極セル４
．５．６が接続されている。よって、各配管９．１０，
１２．１３、セル間に接続された導管１５．１６．１７
．１８の部分において電解液が連通しているので、シャ
ント・カレントと称されている現象が発生する。[Problems to be solved by the invention] In the multi-stage connected redox flow battery as described above,
It is said that it is possible to obtain a large output, but the second
As shown in the figure, each positive electrode cell 1.2.3 and negative electrode cell 4 are placed in a common positive electrode liquid tank 11 and negative electrode liquid tank 14.
．． 5.6 is connected. Therefore, each pipe 9.10,
12.13, conduits connected between cells 15.16.17
．． Since the electrolyte is in communication at the portion 18, a phenomenon called shunt current occurs.
すなわち、第２図において、Ａ、Ｂ、Ｃあるいは０、Ｐ
、Ｑで示される位置間に電位差が生じるので、導管９．
１２．１９．２０を流れる電解液に電流（シャント・カ
レント）が流れ、その結果シャント・カレント・ロスが
発生し、電池構造全体の充放電効率が低下するという問
題があった。That is, in FIG. 2, A, B, C or 0, P
, Q, resulting in a potential difference between the positions indicated by conduit 9.
There was a problem in that a current (shunt current) flows through the electrolyte flowing through the battery, resulting in shunt current loss and a decrease in the charging/discharging efficiency of the entire battery structure.
それゆえに、この発明の目的は、シャント・カレント・
ロスの発生を効果的に防止することができ、したがって
充放電効率に優れたレドックスフロー電池を提供するこ
とにある。Therefore, the purpose of this invention is to
It is an object of the present invention to provide a redox flow battery that can effectively prevent the occurrence of loss and therefore has excellent charging and discharging efficiency.
［問題点を解決するための手段］
この発明は、上記したような複数個のセルと、セル間を
相互に接続するための導管とを備えるレドックスフロー
電池において、導管内を流れる電解液を、その両側で電
気的に絶縁するために、セル間に接続された導管の一部
に絶縁手段を設けたことを特徴とする。[Means for Solving the Problems] The present invention provides a redox flow battery comprising a plurality of cells as described above and conduits for interconnecting the cells, in which an electrolytic solution flowing in the conduits is A feature is that an insulating means is provided on a part of the conduit connected between the cells in order to electrically insulate both sides thereof.
［作用］
この発明では、導管の一部に設けられた絶縁手段が、そ
の両側の電解液を電気的にほぼ絶縁し、したがって導管
内に各セル間の電位差に基づく電流はほとんど流れない
ことになる。[Function] In this invention, the insulating means provided in a part of the conduit electrically insulates the electrolyte on both sides of the conduit, and therefore almost no current flows in the conduit due to the potential difference between each cell. Become.
［実施例の説明］
第１図は、この発明の一実施例の概略構成図である。こ
こでも、正極セル１．負極セル４からなる第１のセル、
正極セル２および負極セル５からなる第２のセル、なら
びに正極セル３および負極セル６からなる第３のセルが
直列に接続されたレドックスフロー電池が用いられてい
る。この実施例の特徴は、各セルと正極液タンク１１お
よび負極液タンク１４を接続する配管９．１０．１２゜
１３の一部、すなわち各セル間に接続された導管１５．
１６．１７．１８の一部に、絶縁手段２１・・・２６．
３１・・・３６が設けられていることにある。[Description of Embodiment] FIG. 1 is a schematic diagram of an embodiment of the present invention. Again, positive electrode cell 1. a first cell consisting of a negative electrode cell 4;
A redox flow battery is used in which a second cell consisting of a positive electrode cell 2 and a negative electrode cell 5, and a third cell consisting of a positive electrode cell 3 and a negative electrode cell 6 are connected in series. A feature of this embodiment is that a portion of the piping 9, 10, 12, 13 connecting each cell with the positive electrode liquid tank 11 and the negative electrode liquid tank 14, that is, the conduit 15.
16.17.18, insulating means 21...26.
31...36 are provided.
絶縁手段２１は、第３図に拡大して示すように、複数枚
の羽根２１ａを有する羽根車よりなる。導管１５内を流
通する電・解液は、通常、強酸性であるため、絶縁手段
２１はたとえばフッ素樹脂のような耐酸性に優れた絶縁
材料により構成される。The insulating means 21 is composed of an impeller having a plurality of blades 21a, as shown in an enlarged view in FIG. Since the electrolytic solution flowing through the conduit 15 is usually strongly acidic, the insulating means 21 is made of an insulating material with excellent acid resistance, such as fluororesin.
また、絶縁手段２１は、導管１５内で軸２２を中心とし
て回転可能に支持されている。よって、電解液が矢印Ｓ
方向に流れると、絶縁手段２１は該電解液の流れにより
時計方向に回転されることになり、絶縁手段２１の複数
枚の羽根２１８間に位置する電解液が、隣接するセルに
接続されている導管側に移動されることになる。したが
って、絶縁手段２１°は、電解液の流れを妨げることは
ないことがわかる。Furthermore, the insulating means 21 is rotatably supported within the conduit 15 about a shaft 22 . Therefore, the electrolyte is indicated by arrow S
direction, the insulating means 21 is rotated clockwise by the flow of the electrolyte, and the electrolyte located between the plurality of blades 218 of the insulating means 21 is connected to adjacent cells. It will be moved to the conduit side. Therefore, it can be seen that the insulating means 21° does not impede the flow of the electrolyte.
さらに、絶縁手段２１は、上記したように絶縁材料によ
り構成されており、導管１４の内壁近傍にまで延びる羽
根２１ａを備えているため、該絶縁手段２１の両側で電
解液は電気的にほぼ絶縁された状態とされている。よっ
て、絶縁手段２１の両側の電解液に、セル間の電位差に
基づく電位差が存在したとしても、この絶縁手段２１を
越えてシャント・カレントが流れることはない。Further, as described above, the insulating means 21 is made of an insulating material and is provided with the blades 21a extending close to the inner wall of the conduit 14, so that the electrolyte is almost electrically insulated on both sides of the insulating means 21. It is said to be in a state of being Therefore, even if a potential difference based on the potential difference between the cells exists in the electrolytic solution on both sides of the insulating means 21, no shunt current will flow beyond the insulating means 21.
なお、第３図に示した絶縁手段２１の軸２２に、モータ
等の回転駆動源を連結し、絶縁手段２１を積極的に回転
駆動することも可能であり、それによって電解液の流れ
をより円滑にすることができる。Note that it is also possible to connect a rotary drive source such as a motor to the shaft 22 of the insulating means 21 shown in FIG. It can be made smoother.
第４図は、この発明の他の実施例における絶縁手段を説
明するための概略構成図である。ここでは、導管が、第
１の導管１５ａと、第１の導管１５ａから分岐された第
２の導管１５ｂとから構成されている。第１の導管１５
ａの一部に、弁３１が設けられており、他方第２の導管
１５ｂの分岐点近傍に弁４２が設けられている。この弁
４１゜４２が、この発明の絶縁手段を構成する。FIG. 4 is a schematic configuration diagram for explaining insulation means in another embodiment of the invention. Here, the conduit includes a first conduit 15a and a second conduit 15b branched from the first conduit 15a. First conduit 15
A valve 31 is provided in a part of the pipe a, and a valve 42 is provided near the branch point of the second conduit 15b. These valves 41 and 42 constitute the insulating means of the present invention.
第１の導管１５ａの端部には、ピストン４３が構成され
ている。ピストン４３は、第１の導管１５ａの端部をピ
ストンシリンダとし、その内部にピストンロッド４５に
連結されたヘッド４４が挿１人されている。A piston 43 is configured at the end of the first conduit 15a. The piston 43 uses the end of the first conduit 15a as a piston cylinder, and a head 44 connected to a piston rod 45 is inserted into the piston cylinder.
第４図に示した構成においても、絶縁手段を構成する弁
４１．４２は、フッ素樹脂等の耐酸性に優れた絶縁材料
により構成される。弁４１．４２は第４図の実線で示す
一方向にしか開かない構造となる。よって、弁４１．４
２の両側の電解液は、はぼ電気的に絶縁された状態とな
る。電解液の移動は、ピストンロッド４５を往復駆動す
ることにより、第４図の矢印Ｔで示すようにチャンバ４
６内へ電解液を引込むことができ、またチャンバ４６か
ら導管１５ｂへ電解液を排出することが可能とされてい
る。Also in the configuration shown in FIG. 4, the valves 41 and 42 constituting the insulating means are made of an insulating material with excellent acid resistance such as fluororesin. The valves 41 and 42 have a structure that opens only in one direction, as shown by the solid line in FIG. Therefore, valve 41.4
The electrolytes on both sides of 2 are almost electrically insulated. The electrolytic solution is moved by reciprocating the piston rod 45 into the chamber 4 as shown by arrow T in FIG.
It is possible to draw electrolyte into the chamber 46 and to drain it from the chamber 46 into the conduit 15b.
第３図に示した絶縁手段２１および第４図に示した弁４
１．４２を用いた実施例では、いずれにおいても絶縁手
段により電解液の流通が妨げられることはないため、配
管系における圧損の増大を招くことなく、シャント・カ
レントの発生を防止し得ることがわかる。Insulating means 21 shown in FIG. 3 and valve 4 shown in FIG.
In the examples using 1.42, the flow of the electrolyte is not obstructed by the insulating means in any case, so it is possible to prevent the generation of shunt current without causing an increase in pressure loss in the piping system. Recognize.
［発明の効果］
以上のように、この発明によれば、複数個のセル間を接
続する導管の一部にその両側の電解液を電気的にほぼ絶
縁するための絶縁手段が設けられているため、シャント
・カレントの発生を効果的に防止することができ、よっ
て効率に優れたレドックスフロー電池を構成することが
可能となる。[Effects of the Invention] As described above, according to the present invention, a part of the conduit connecting a plurality of cells is provided with an insulating means for electrically insulating the electrolyte on both sides thereof. Therefore, the generation of shunt current can be effectively prevented, and it is therefore possible to construct a redox flow battery with excellent efficiency.
【図面の簡単な説明】
第１図は、この発明の一実施例の概略構成図である。第
２図は、従来のレドックスフロー電池の一例を示す概略
構成図である。第３図は、第１図に示した実施例におけ
る絶縁手段を拡大して示す図である。第４図は、絶縁手
段の他の例を説明するための部分切欠断面図である。
図において、１．２．３は正極セル、４，５゜６は負極
セル、１５，１６，１７．１８は導管、２１・・・２６
．３１・・・３６は絶縁手段、４１．４２は絶縁手段を
構成する弁を示す。
特許出願人 住友電気工業株式会社
第１ 図
１υ
１．２，３ 二 正極ｆ＋し
４．５．６ ： 負 本亡 乞 Ｊし１ｓ 、 １
ｓ、 １７．＋ａ ： ＠ １３１−０．３６ ”鑵偵
第４図BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram of an embodiment of the present invention. FIG. 2 is a schematic configuration diagram showing an example of a conventional redox flow battery. FIG. 3 is an enlarged view showing the insulation means in the embodiment shown in FIG. 1. FIG. 4 is a partially cutaway sectional view for explaining another example of the insulating means. In the figure, 1.2.3 is a positive electrode cell, 4.5°6 is a negative electrode cell, 15, 16, 17.18 is a conduit, 21...26
．． 31...36 are insulating means, and 41 and 42 are valves constituting the insulating means. Patent applicant Sumitomo Electric Industries, Ltd. 1 Figure 1υ 1.2, 3 2 Positive electrode f + 4.5.6: Negative J 1s, 1
s, 17. +a: @ 131-0.36 ``Tai Figure 4
Claims (4)
導管とを備えるレドックスフロー電池において、 前記導管内を流れる電解液を、その両側で電気的に絶縁
するために、セル間に接続された前記導管の一部に設け
られた絶縁手段を備えることを特徴とする、レドックス
フロー電池。(1) In a redox flow battery comprising a plurality of cells and a conduit for interconnecting the cells, in order to electrically insulate the electrolyte flowing in the conduit on both sides, there is a A redox flow battery, characterized in that it comprises an insulating means provided on a part of the connected conduit.
げないように、導管内で回転可能に支持された絶縁材料
よりなる羽根車である、特許請求の範囲第１項記載のレ
ドックスフロー電池。(2) The redox device according to claim 1, wherein the insulating means is an impeller made of an insulating material and rotatably supported within the conduit so as not to impede the flow of the electrolyte within the conduit. flow battery.
に備える、特許請求の範囲第２項記載のレドックスフロ
ー電池。(3) The redox flow battery according to claim 2, further comprising a drive means for rotationally driving the impeller.
一部に設けられた弁である、特許請求の範囲第１項記載
のレドックスフロー電池。(4) The redox flow battery according to claim 1, wherein the insulating means is a valve made of an insulating material and provided in a part of the conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60111160A JPS61269866A (en) | 1985-05-23 | 1985-05-23 | Redox flow cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60111160A JPS61269866A (en) | 1985-05-23 | 1985-05-23 | Redox flow cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61269866A true JPS61269866A (en) | 1986-11-29 |
Family
ID=14553997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60111160A Pending JPS61269866A (en) | 1985-05-23 | 1985-05-23 | Redox flow cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61269866A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62108465A (en) * | 1985-11-06 | 1987-05-19 | Tohoku Electric Power Co Inc | Electrolyte circulation type secondary cell associated with leak current preventer |
| JPS647763U (en) * | 1987-07-02 | 1989-01-17 | ||
| JPH01213967A (en) * | 1988-02-22 | 1989-08-28 | Agency Of Ind Science & Technol | Non-continuous circulation type redox battery |
| JPH01213968A (en) * | 1988-02-22 | 1989-08-28 | Agency Of Ind Science & Technol | Non-continuous circulation type redox battery |
| WO2001076000A1 (en) * | 2000-03-31 | 2001-10-11 | Squirrel Holdings Ltd. | Redox flow battery and method of operating it |
| JP2007305501A (en) * | 2006-05-15 | 2007-11-22 | Abe Tomoki | Electrolyte recirculation type battery |
| WO2012078786A2 (en) * | 2010-12-08 | 2012-06-14 | Enervault Corporation | Shunt current resistors for flow battery systems |
| WO2012083239A1 (en) | 2010-12-16 | 2012-06-21 | 24M Technologies, Inc. | Stacked flow cell design and method |
| US20140057136A1 (en) * | 2011-03-09 | 2014-02-27 | University Of The West Of England, Bristol | Microbial fuel cell |
| US8906529B2 (en) | 2008-07-07 | 2014-12-09 | Enervault Corporation | Redox flow battery system for distributed energy storage |
| US8916281B2 (en) | 2011-03-29 | 2014-12-23 | Enervault Corporation | Rebalancing electrolytes in redox flow battery systems |
| US8980484B2 (en) | 2011-03-29 | 2015-03-17 | Enervault Corporation | Monitoring electrolyte concentrations in redox flow battery systems |
| JP2017199492A (en) * | 2016-04-26 | 2017-11-02 | 行政院原子能委員会核能研究所 | Branch current suppression device and branch current suppression method for flow battery |
| WO2020080278A1 (en) * | 2018-10-18 | 2020-04-23 | 東洋エンジニアリング株式会社 | Cell frame and redox flow battery |
| WO2023165650A1 (en) | 2022-03-04 | 2023-09-07 | Schaeffler Technologies AG & Co. KG | Redox flow battery |
-
1985
- 1985-05-23 JP JP60111160A patent/JPS61269866A/en active Pending
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62108465A (en) * | 1985-11-06 | 1987-05-19 | Tohoku Electric Power Co Inc | Electrolyte circulation type secondary cell associated with leak current preventer |
| JPH0365625B2 (en) * | 1985-11-06 | 1991-10-14 | ||
| JPS647763U (en) * | 1987-07-02 | 1989-01-17 | ||
| JPH01213967A (en) * | 1988-02-22 | 1989-08-28 | Agency Of Ind Science & Technol | Non-continuous circulation type redox battery |
| JPH01213968A (en) * | 1988-02-22 | 1989-08-28 | Agency Of Ind Science & Technol | Non-continuous circulation type redox battery |
| WO2001076000A1 (en) * | 2000-03-31 | 2001-10-11 | Squirrel Holdings Ltd. | Redox flow battery and method of operating it |
| US6692862B1 (en) | 2000-03-31 | 2004-02-17 | Squirrel Holdings Ltd. | Redox flow battery and method of operating it |
| JP2007305501A (en) * | 2006-05-15 | 2007-11-22 | Abe Tomoki | Electrolyte recirculation type battery |
| US8906529B2 (en) | 2008-07-07 | 2014-12-09 | Enervault Corporation | Redox flow battery system for distributed energy storage |
| WO2012078786A3 (en) * | 2010-12-08 | 2012-10-04 | Enervault Corporation | Shunt current resistors for flow battery systems |
| WO2012078786A2 (en) * | 2010-12-08 | 2012-06-14 | Enervault Corporation | Shunt current resistors for flow battery systems |
| EP2652825A4 (en) * | 2010-12-16 | 2015-03-11 | 24M Technologies Inc | Stacked flow cell design and method |
| WO2012083239A1 (en) | 2010-12-16 | 2012-06-21 | 24M Technologies, Inc. | Stacked flow cell design and method |
| US10270117B2 (en) * | 2011-03-09 | 2019-04-23 | John Greenman | Microbial fuel cell |
| US20140057136A1 (en) * | 2011-03-09 | 2014-02-27 | University Of The West Of England, Bristol | Microbial fuel cell |
| US8916281B2 (en) | 2011-03-29 | 2014-12-23 | Enervault Corporation | Rebalancing electrolytes in redox flow battery systems |
| US8980484B2 (en) | 2011-03-29 | 2015-03-17 | Enervault Corporation | Monitoring electrolyte concentrations in redox flow battery systems |
| JP2017199492A (en) * | 2016-04-26 | 2017-11-02 | 行政院原子能委員会核能研究所 | Branch current suppression device and branch current suppression method for flow battery |
| WO2020080278A1 (en) * | 2018-10-18 | 2020-04-23 | 東洋エンジニアリング株式会社 | Cell frame and redox flow battery |
| CN112889168A (en) * | 2018-10-18 | 2021-06-01 | 东洋工程株式会社 | Cell frame and redox flow battery |
| JPWO2020080278A1 (en) * | 2018-10-18 | 2021-09-09 | 東洋エンジニアリング株式会社 | Cell frame and redox flow battery |
| WO2023165650A1 (en) | 2022-03-04 | 2023-09-07 | Schaeffler Technologies AG & Co. KG | Redox flow battery |
| DE102022105113A1 (en) | 2022-03-04 | 2023-09-07 | Schaeffler Technologies AG & Co. KG | Redox flow battery |
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