WO2018169358A1 - Batterie rédox - Google Patents

Batterie rédox Download PDF

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Publication number
WO2018169358A1
WO2018169358A1 PCT/KR2018/003112 KR2018003112W WO2018169358A1 WO 2018169358 A1 WO2018169358 A1 WO 2018169358A1 KR 2018003112 W KR2018003112 W KR 2018003112W WO 2018169358 A1 WO2018169358 A1 WO 2018169358A1
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WO
WIPO (PCT)
Prior art keywords
electrolyte
stack
end plate
cathode
connection passage
Prior art date
Application number
PCT/KR2018/003112
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English (en)
Korean (ko)
Inventor
정현진
김대식
최원석
김태언
정진교
서동균
김진후
Original Assignee
롯데케미칼 주식회사
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Publication date
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Publication of WO2018169358A1 publication Critical patent/WO2018169358A1/fr

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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
    • 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
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
    • 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
    • H01M8/04—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
    • H01M8/04283—Supply means of electrolyte to or in matrix-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
    • H01M8/18—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
    • 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

Definitions

  • the present invention relates to a redox flow cell, and more particularly, to a redox flow cell connecting end plates of neighboring stacks to each other.
  • zinc bromine redox flow cells are a type of flow cell that produce electricity through redox reactions between the electrolyte and the electrodes.
  • a redox flow battery is formed by repeatedly laminating a bipolar electrode and a membrane, and laminating a current collector plate and an end plate on both sides of the outermost layer, and supplying electrolyte to oxidize the electrolyte. It includes a stack in which the reduction reaction occurs, a pump and a pipe for supplying the electrolyte solution to the stack, and an electrolyte tank for storing the electrolyte solution flowing out after the internal reaction in the stack.
  • the electrolyte tank includes an anode electrolyte tank containing an anode electrolyte containing zinc, and a cathode electrolyte tank containing a cathode electrolyte containing bromine.
  • the anode electrolyte tank and the cathode electrolyte tank are connected by an overflow tube to supply the insufficient electrolyte solution to each other.
  • the redox flow battery may include a plurality of stacks for increasing capacity.
  • the end plates provided at both ends of each stack are supplied with an electrolyte solution from the outside, and are provided with a flow path for outflowing the electrolyte solution circulating through the stack to the outside.
  • the end plate is connected to an external pipe to transfer the electrolyte, the length of the pipe is increased, and thus the internal pressure of the stack is changed.
  • One aspect of the present invention is to provide a redox flow battery that forms a connection passage through which the electrolyte flows in the end plate to minimize the length of the pipe outside the end plate.
  • One aspect of the present invention is to provide a redox flow battery that directly injects the electrolyte into the stack to minimize the difference in the internal pressure of the stack due to the difference in viscosity and specific gravity of the electrolyte during charging and discharging.
  • the first stack and the second stack including the unit stack for generating a current and disposed adjacent to supply the electrolyte solution to the first stack and the second stack and the first
  • An electrolyte tank for storing the electrolyte flowing out of the first stack and the second stack, and connecting the electrolyte tank with the first stack and the second stack to drive the electrolyte pump into the first stack and the second stack.
  • An electrolyte inflow line, and an electrolyte outlet line connecting the electrolyte tank, the first stack, and the second stack to discharge the electrolyte from the first and second stacks, respectively, the first and second stacks, respectively.
  • a membrane and a spacer and an electrode plate to be repeatedly stacked, a collector plate and an end plate are sequentially stacked on both ends of the stacking direction, and the interior set between the membrane and the electrode plate
  • the end plate of the first stack forms an eleventh connection hole connected to the first connection passage, and the end plate of the neighboring second stack forms a twelfth connection hole connected to the first channel.
  • the eleventh connection hole and the twelfth connection hole may be connected to the first fitting member.
  • the end plate of the first stack forms a twenty-first connection hole connected to the second channel
  • the end plate of the neighboring second stack forms a twenty-second connection hole connected to the second connection passage
  • the twenty-first connecting hole and the twenty-second connecting hole may be connected to the second fitting member.
  • the first connection passage may have a diameter smaller than or equal to the diameter of the electrolyte inflow line
  • the second connection passage may have a diameter smaller than or equal to the diameter of the electrolyte outlet line.
  • connection passage in the end plate of the stack connects the electrolyte inlet and the electrolyte outlet to the flow channel can minimize the length of the pipe from the outside of the end plate.
  • connection passage in the end plate directly injecting the electrolyte in the stack it is possible to minimize the internal pressure difference of the stack due to the difference in viscosity and specific gravity of the electrolyte during charging and discharging.
  • the efficiency of the redox flow battery can be increased, the durability of the stack can be improved, and long-term cycle stability can be achieved.
  • the load of the electrolyte pump is reduced, so that the reaction speed in the stack can be improved.
  • FIG. 1 is a block diagram of a redox flow battery according to an embodiment of the present invention.
  • FIG. 2 is a perspective view illustrating a stack applied to FIG. 1.
  • FIG. 3 is a cross-sectional view taken along line III-III of FIG. 2.
  • FIG. 4 is a cross-sectional view taken along line IV-IV of FIG. 2.
  • FIG. 5 is a side view of the end plate applied to the stack of FIG.
  • FIG. 6 is a cross-sectional view taken along line VI-VI of FIG. 5.
  • FIG. 7 is a cross-sectional view taken along the line VII-VII of FIG. 5.
  • the redox flow battery according to an embodiment of the present invention includes a stack 120 generating an electric current and an electrolyte tank 210 and 220 supplying an electrolyte to the stack 120 and storing an electrolyte flowing out of the stack 120. It includes.
  • FIG. 2 is a perspective view illustrating a stack applied to FIG. 1.
  • the stack 120 includes a first stack 121 and a second stack 122 disposed adjacent to each other.
  • the first and second stacks 121 and 122 are formed by stacking five unit stacks 110 on each side and electrically connecting them.
  • the unit stack 110 is configured to generate a current in the circulation of the electrolyte.
  • the electrolyte tanks 210 and 220 supply electrolyte to the first stack 121 and the second stack 122, and flow out from the first stack 121 and the second stack 122. It is configured to store the electrolyte, it is connected to the electrolyte inlet line (La1 Lc1) and the electrolyte outlet line (La2, Lc2).
  • the electrolyte tanks 210 and 220 include an anode electrolyte tank 210 containing an anode electrolyte containing zinc, and a cathode electrolyte tank 220 containing a cathode electrolyte containing bromine (for convenience, a cathode electrolyte solution).
  • a two-phase electrolyte tank for accommodating two phases is omitted.
  • the electrolyte inflow line La1 Lc1 connects the anode and cathode electrolyte tanks 210 and 220 to the stack 120 to introduce electrolyte into the stack 120 by driving the electrolyte pumps Pa and Pc.
  • the electrolyte outlet lines La2 and Lc2 connect the anode and cathode electrolyte tanks 210 and 220 to the stack 120 to discharge the electrolyte solution after the reaction via the stack 120 from the stack 120.
  • FIG. 3 is a cross-sectional view taken along line III-III of FIG. 2
  • FIG. 4 is a cross-sectional view taken along line IV-IV of FIG. 2.
  • the first stack 121 and the second stack 122 are sequentially stacked on both ends of the membrane 10, the spacer 20, the electrode plate 30, and the stacking direction.
  • a first flow channel CH1 including the current collector plates 61 and 62 and end plates 71 and 73 and 72 and 74 to supply the electrolyte solution to the first stack 121 and supplying the electrolyte solution.
  • the second channel CH2 is included in the second stack 122.
  • the electrode plate 30 includes an anode electrode 32 on one side and a cathode electrode 31 on the other side.
  • FIG. 5 is a side view of the end plates 71 and 73 applied to the stack of FIG. 2
  • FIG. 6 is a sectional view taken along the line VI-VI of FIG. 5
  • FIG. 7 is a sectional view taken along the line VII-VII of FIG. 5. .
  • the end plate 71 is the electrolyte inlet (H21) connected to the electrolyte inlet line (La1), and the electrolyte inlet (H21) It includes a first connection passage (P1) for connecting to the first channel (CH1).
  • the first connection passage P1 is directly connected to the electrolyte inlet H21 of the electrolyte inlet line La1, the length of the pipe connected to the outside of the end plate 71, that is, the electrolyte inlet line La1 is shortened, and the electrolyte solution.
  • the load of the pump Pa can be reduced.
  • the first connection passage P1 may have a diameter smaller than or equal to the diameter of the electrolyte inflow line La1.
  • the diameter of the first connection passage (P1) may adjust the flow rate of the anode electrolyte flowing in.
  • the end plate 72 connects the electrolyte outlet H22 connected to the electrolyte outlet line La2, and the electrolyte outlet H22 to the first flow channel. And a first connection passage P1 connecting to CH1).
  • the first connection passage P1 is directly connected to the electrolyte outlet H22 of the electrolyte outlet line La2, the length of the pipe connected to the outside of the end plate 72, that is, the electrolyte outlet line La2 is shortened, and the electrolyte solution.
  • the load of the pump Pa can be reduced.
  • the first connection passage P1 may have a diameter smaller than or equal to the diameter of the electrolyte outlet line La2. The diameter of the first connection passage P1 may adjust the flow rate of the anode electrolyte flowing out.
  • the end plate 73 is an electrolyte outlet H32 connected to the electrolyte outlet line Lc2, and an electrolyte outlet H32. It includes a second connection passage (P2) for connecting to the second channel (CH2).
  • the second connection passage P2 is directly connected to the electrolyte outlet H32 of the electrolyte outlet line Lc2, the length of the pipe connected to the outside of the end plate 73, that is, the electrolyte outlet line Lc2, is shortened, and the electrolyte solution.
  • the load of the pump Pc can be reduced.
  • the second connection passage P2 may have a diameter smaller than or equal to the diameter of the electrolyte outlet line Lc2. The diameter of the second connection passage P2 may adjust the flow rate of the cathode electrolyte flowing out.
  • the end plate 74 connects the electrolyte inlet port H31 connected to the electrolyte inlet line Lc1, and the electrolyte inlet port H31 to the second flow channel. And a second connection passage (P2) connecting to CH2).
  • the second connection passage P2 is directly connected to the electrolyte inlet H31 of the electrolyte inflow line Lc1, the length of the pipe connected to the outside of the end plate 74, that is, the electrolyte inflow line Lc1 is shortened, and the electrolyte solution.
  • the load of the pump Pc can be reduced.
  • the second connection passage P2 may have a diameter smaller than or equal to the diameter of the electrolyte inflow line Lc1.
  • the diameter of the second connection passage (P2) can adjust the flow rate of the incoming cathode electrolyte.
  • the end plate 71 of the first stack 121 is an eleventh connection hole H11 connected to the first channel CH1 and the first connection passage P1.
  • a twelfth connection hole H12 connected to the first flow channel CH1 of the end plate 73 of the neighboring second stack 122.
  • the eleventh connection hole H11 and the twelfth connection hole H12 of the end plates 71 and 73 are connected to the first fitting member F1.
  • the first fitting member F1 minimizes the connection distance between the end plates 71 and 73, thereby preventing the flow rate charge of the introduced cathode electrolyte.
  • the end plates 72 and 74 are connected in the same structure on the cathode electrolyte outlet side by an eleventh fitting member F11 connected to a connection hole (not shown), thereby minimizing the connection distance and the flow rate of the electrolyte solution. The charge can be prevented.
  • the end plate 71 of the first stack 121 forms the twenty-first connection hole H41 connected to the second flow channel CH2
  • the end plate 73 of the second stack 122 forms a twenty-second connecting hole H42 connected to the second channel CH2 and the second connecting passage P2.
  • the twenty-first connecting hole H41 and the twenty-second connecting hole H42 of the end plates 71 and 73 are connected to the second fitting member F2.
  • the second fitting member F2 minimizes the connection distance between the end plates 71 and 73, thereby preventing the flow rate charge of the cathode electrolyte flowing out.
  • the end plates 72 and 74 are connected in the same structure at the anode electrolyte inflow side by a twenty-first fitting member F21 connected to a connection hole (not shown), thereby minimizing the connection distance and the flow rate of the electrolyte. The charge can be prevented.
  • the charge and discharge efficiency was 72.2%, and when the end plates 71, 73, 72, and 74 of this embodiment were applied, the charge and discharge efficiency was increased to 73.4%. That is, the present embodiment improves the reaction speed in the first and second stacks 121 and 122 to increase the efficiency of the redox flow battery.
  • the anode electrolyte tank 210 supplies an anode electrolyte between the membrane 10 and the anode electrode 32 of the stack 120 and the unit stack 110, and the membrane 10 and the anode electrode.
  • the anode electrolyte which flows out between (32) is accommodated.
  • the cathode electrolyte tank 220 accommodates the cathode electrolyte supplied between the stack 120 and the membrane 10 of the unit stack 110 and the cathode electrode 31.
  • the anode electrolyte inflow line La1 connects the anode electrolyte tank 210 to the first and second stacks 121 and 122
  • the cathode electrolyte inflow line Lc1 connects the cathode electrolyte tank 220 to the first.
  • the second stacks 121 and 122 connects the cathode electrolyte tank 220 to the first.
  • the anode electrolyte outlet line La2 connects the anode electrolyte tank 210 to the first and second stacks 121 and 122, and the cathode electrolyte outlet line Lc2 is connected to the first and second stacks 121 and 122.
  • the cathode electrolyte tank 220 is connected.
  • the anode and cathode electrolyte inflow lines La1 and Lc1 are connected to the anode electrolyte tanks H21 and H31 of the first and second stacks 121 and 122 via the anode and cathode electrolyte pumps Pa and Pc. 210 and the cathode electrolyte tank 220, respectively.
  • the anode and cathode electrolyte outlet lines La2 and Lc2 connect the anode electrolyte tank 210 and the cathode electrolyte tank 220 to the electrolyte outlets H22 and H32 of the first and second stacks 121 and 122, respectively.
  • the anode electrolyte tank 210 contains an anode electrolyte containing zinc, and the membrane 10 and the anode electrode 32 of the first and second stacks 121 and 122 are driven by the anode electrolyte pump Pa.
  • the anode electrolyte is circulated between
  • the cathode electrolyte tank 220 includes a cathode electrolyte containing bromine, and the membrane 10 and the cathode electrode of the first and second stacks 121 and 122 are driven by the cathode electrolyte pump Pc. 31) circulate the cathode electrolyte between.
  • the cathode electrolyte inflow line Lc1 and the cathode electrolyte outflow line Lc2 connect the cathode electrolyte tank 220 to the first and second stacks 121 and 122 through the four-way valve 205. It is possible to selectively perform inflow and outflow operations of the cathode electrolyte to the second stacks 121 and 122.
  • the unit stack 110 may be adjacent to other unit stacks 110 that are adjacent to each other through the bus bars B1 and B2 (see FIGS. 1, 3, and 4). Electrically connected.
  • the first and second stacks 121 and 122 discharge current generated inside the unit stacks 110 through the bus bars B1 and B2, or are connected to an external power source 206 to connect the anode electrolyte tank ( 210 may be charged with a current.
  • the unit stack 110 may be formed by stacking a plurality of unit cells C1 and C2.
  • this embodiment illustrates a unit stack 110 formed by stacking two unit cells C1 and C2. Since the unit stack 110 is stacked as illustrated in FIG. 2, first and second stacks 121 and 122 are formed. The first and second stacks 121 and 122 are adjacent to each other and disposed on the side surface.
  • the unit stack 110 further includes a flow frame, that is, a membrane flow frame 40 and an electrode flow frame 50. Since the unit stack 110 includes two unit cells C1 and C2, two membranes having one electrode flow frame 50 in the center and symmetrical structures on both sides of the electrode flow frame 50 are provided. Two end plates 71, 73; 72, 74 are arranged outside the flow frame 40 and the membrane flow frame 40, respectively.
  • the membrane 10 is configured to pass ions and is coupled to the membrane flow frame 40 at the center of the thickness direction of the membrane flow frame 40.
  • the electrode plate 30 is coupled to the electrode flow frame 50 at the center of the thickness direction of the electrode flow frame 50.
  • the end plates 71 and 73, the membrane flow frame 40, the electrode flow frame 50, the membrane flow frame 40 and the end plates 72 and 74 are disposed, and the membrane 10 and the electrode plate 30 are disposed.
  • the membrane flow frame 40, the electrode flow frame 50, and the end plates 71, 73; 72, 74 are joined with each other through the spacers 20, the two unit cells C1, C2 are connected.
  • the unit stack 110 is provided.
  • the electrode plate 30 forms the cathode electrode 31 on one side and the anode electrode 32 on the other side at the portion where the two unit cells C1 and C2 are connected, thereby forming the two unit cells C1 and C2.
  • the membrane flow frame 40, the electrode flow frame 50 and the end plates 71, 73; 72, 74 are bonded to each other to establish an internal volume S between the membrane 10 and the electrode plate 30, First and second channel channels CH1 and CH2 for supplying an electrolyte solution to the internal volume S are provided.
  • the first and second flow channels CH1 and CH2 are configured to supply the electrolyte at uniform pressure and amount on both sides of the membrane 10, respectively.
  • the membrane flow frame 40, the electrode flow frame 50, and the end plates 71, 73; 72, 74 may be formed of an electrical insulating material including a synthetic resin component, and may be bonded by heat fusion or vibration fusion. have.
  • the first channel CH1 connects the electrolyte inlet H21, the internal volume S and the electrolyte outlet H22, and drives the membrane 10 and the cathode electrode 31 by driving the cathode electrolyte pump Pc.
  • the cathode electrolyte is introduced into the internal volume S set therebetween to allow flow out after the reaction.
  • the second channel CH2 connects the electrolyte inlet H31, the internal volume S and the electrolyte outlet H32, and drives the membrane 10 and the anode electrode 32 by driving the anode electrolyte pump Pa.
  • the anode electrolyte is introduced into the internal volume S set therebetween to allow flow out after the reaction.
  • the anode electrolyte is redox-reacted at the anode electrode 32 side of the internal volume S to generate a current and stored in the anode electrolyte tank 210.
  • the cathode electrolyte is redox-reacted at the cathode electrode 31 side of the internal volume S to generate a current and stored in the cathode electrolyte tank 220.
  • bromine included in the cathode electrolyte is produced and stored in the cathode electrolyte tank 220.
  • zinc contained in the anode electrolyte is deposited and stored on the anode electrode 32.
  • a reverse reaction of equation 1 occurs between the membrane 10 and the cathode electrode 31, and a reverse reaction of equation 2 occurs between the membrane 10 and the anode electrode 32.
  • the current collector plates 61 and 62 collect the currents generated by the cathode electrode 31 and the anode electrode 32, or the outermost electrode plate so as to supply current to the cathode electrode 31 and the anode electrode 32 from the outside. 30, 30) and are electrically connected.
  • electrode plate 31 cathode electrode
  • first and second stacks 200 electrolyte tank
  • H21 (anode) electrolyte inlet
  • H22 (anode) electrolyte outlet
  • H31 (cathode) electrolyte inlet
  • H32 (cathode) electrolyte outlet
  • La1, Lc1 (anode, cathode) electrolyte inflow line
  • La2, Lc2 (anode, cathode) electrolyte spill line
  • Pc electrolyte pump P1
  • P2 first and second connection passages
  • F1 F11: 1st, 11th fitting member F2, F21: 2nd, 21st fitting member

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
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Abstract

Un aspect de la présente invention vise à produire fournir une batterie rédox qui minimise la longueur de conduite à l'extérieur d'une plaque d'extrémité en formant, au niveau de la plaque d'extrémité, un passage de connexion à travers lequel s'écoule un électrolyte. Une batterie rédox selon un mode de réalisation de la présente invention comprend : un premier empilement dont la plaque d'extrémité comprend une entrée d'électrolyte reliée à une ligne d'entrée d'électrolyte, et un premier passage de connexion qui relie l'entrée d'électrolyte à un premier canal d'écoulement ; et un deuxième empilement dont la plaque d'extrémité comprend une sortie d'électrolyte reliée à une ligne de sortie d'électrolyte, et un deuxième passage de connexion qui relie la sortie d'électrolyte à un deuxième canal d'écoulement.
PCT/KR2018/003112 2017-03-16 2018-03-16 Batterie rédox WO2018169358A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0033285 2017-03-16
KR1020170033285A KR20180105937A (ko) 2017-03-16 2017-03-16 레독스 흐름 전지

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WO2018169358A1 true WO2018169358A1 (fr) 2018-09-20

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KR20200053224A (ko) 2018-11-08 2020-05-18 롯데케미칼 주식회사 역전압 방지회로를 포함하는 레독스 흐름 전지 및 그 제어 방법
KR20200062794A (ko) 2018-11-27 2020-06-04 롯데케미칼 주식회사 전압 밸런싱 회로를 포함하며, 션트 전류를 감소시킨 레독스 흐름 전지 시스템
KR20200065862A (ko) 2018-11-30 2020-06-09 롯데케미칼 주식회사 전해액 압력을 이용한 레독스 흐름 전지의 성능 향상 장치 및 방법
KR20200065861A (ko) 2018-11-30 2020-06-09 롯데케미칼 주식회사 펌프 소비 전력을 이용한 레독스 흐름 전지의 성능 향상 장치 및 방법
KR102357656B1 (ko) 2019-11-28 2022-02-03 남도금형(주) 집전체 기능을 겸비한 레독스 흐름 전지용 분리판 및 이의 제조방법
KR102357657B1 (ko) 2019-11-28 2022-02-04 남도금형(주) 레독스 흐름 전지 스택구조체

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KR20170005630A (ko) * 2015-07-06 2017-01-16 롯데케미칼 주식회사 레독스 흐름 전지
KR20170025153A (ko) * 2015-08-27 2017-03-08 한국에너지기술연구원 레독스 흐름전지

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