KR20200059622A - 아연-브롬 레독스 흐름 전지의 전해액 회복방법 - Google Patents
아연-브롬 레독스 흐름 전지의 전해액 회복방법 Download PDFInfo
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- KR20200059622A KR20200059622A KR1020180144582A KR20180144582A KR20200059622A KR 20200059622 A KR20200059622 A KR 20200059622A KR 1020180144582 A KR1020180144582 A KR 1020180144582A KR 20180144582 A KR20180144582 A KR 20180144582A KR 20200059622 A KR20200059622 A KR 20200059622A
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- electrolyte
- bromine
- ammonium
- zinc
- redox flow
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 133
- ZRXYMHTYEQQBLN-UHFFFAOYSA-N [Br].[Zn] Chemical compound [Br].[Zn] ZRXYMHTYEQQBLN-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000011084 recovery Methods 0.000 title claims description 7
- 229910052794 bromium Inorganic materials 0.000 claims abstract description 65
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims abstract description 60
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 53
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims abstract description 34
- 239000000654 additive Substances 0.000 claims abstract description 30
- 230000000996 additive effect Effects 0.000 claims abstract description 28
- -1 ammonium ions Chemical class 0.000 claims description 14
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 6
- VNDYJBBGRKZCSX-UHFFFAOYSA-L zinc bromide Chemical compound Br[Zn]Br VNDYJBBGRKZCSX-UHFFFAOYSA-L 0.000 claims description 4
- XZXYQEHISUMZAT-UHFFFAOYSA-N 2-[(2-hydroxy-5-methylphenyl)methyl]-4-methylphenol Chemical compound CC1=CC=C(O)C(CC=2C(=CC=C(C)C=2)O)=C1 XZXYQEHISUMZAT-UHFFFAOYSA-N 0.000 claims description 3
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 claims description 3
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 claims description 3
- 235000019270 ammonium chloride Nutrition 0.000 claims description 3
- 229940107816 ammonium iodide Drugs 0.000 claims description 3
- UYJXRRSPUVSSMN-UHFFFAOYSA-P ammonium sulfide Chemical compound [NH4+].[NH4+].[S-2] UYJXRRSPUVSSMN-UHFFFAOYSA-P 0.000 claims description 3
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 claims description 2
- 239000005695 Ammonium acetate Substances 0.000 claims description 2
- 239000004254 Ammonium phosphate Substances 0.000 claims description 2
- OSDWNEXWHCEEQW-UHFFFAOYSA-N N[H].ClI Chemical compound N[H].ClI OSDWNEXWHCEEQW-UHFFFAOYSA-N 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 229940043376 ammonium acetate Drugs 0.000 claims description 2
- 235000019257 ammonium acetate Nutrition 0.000 claims description 2
- ICAIHGOJRDCMHE-UHFFFAOYSA-O ammonium cyanide Chemical compound [NH4+].N#[C-] ICAIHGOJRDCMHE-UHFFFAOYSA-O 0.000 claims description 2
- 229910000148 ammonium phosphate Inorganic materials 0.000 claims description 2
- 235000019289 ammonium phosphates Nutrition 0.000 claims description 2
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 2
- 229940102001 zinc bromide Drugs 0.000 claims description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 15
- 230000007423 decrease Effects 0.000 description 15
- 239000011701 zinc Substances 0.000 description 10
- 150000002500 ions Chemical class 0.000 description 9
- 239000011149 active material Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- KHJQQUGSPDBDRM-UHFFFAOYSA-M 1-ethyl-1-methylpyrrolidin-1-ium;bromide Chemical compound [Br-].CC[N+]1(C)CCCC1 KHJQQUGSPDBDRM-UHFFFAOYSA-M 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- CUILPNURFADTPE-UHFFFAOYSA-N hypobromous acid Chemical compound BrO CUILPNURFADTPE-UHFFFAOYSA-N 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MIMUSZHMZBJBPO-UHFFFAOYSA-N 6-methoxy-8-nitroquinoline Chemical compound N1=CC=CC2=CC(OC)=CC([N+]([O-])=O)=C21 MIMUSZHMZBJBPO-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241000985630 Lota lota Species 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 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
- H01M8/18—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
- H01M2300/00—Electrolytes
- H01M2300/0002—Aqueous electrolytes
- H01M2300/0005—Acid electrolytes
-
- 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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- 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)
- Fuel Cell (AREA)
- Hybrid Cells (AREA)
Abstract
Description
도 2는 pH 및 N과 Br의 비율에 따른 전해액 내의 이온 분포를 나타낸 것이다.
도 3은 비교예 및 실시예의 아연-브롬 레독스 흐름 전지의 성능 평가를 위한 단전지의 구조를 나타낸 것이다.
| 구분 | 효율 [ % ] | pH | ||
| 에너지 | 전압 | 전하량 | ||
| 초기 성능 | 71.3 | 78.4 | 90.9 | 1.1 |
| 성능 저하 | 68.3 | 77.3 | 88.4 | 4.1 |
| 구분 | 효율 [ % ] | pH | ||
| 에너지 | 전압 | 전하량 | ||
| 초기 성능 | 71.3 | 78.4 | 90.9 | 1.1 |
| 성능 저하 | 68.3 | 77.3 | 88.4 | 4.1 |
| Br 2 0.1 M 첨가 | 66.9 | 77.9 | 85.9 | 3.8 |
| 구분 | 효율 [ % ] | pH | ||
| 에너지 | 전압 | 전하량 | ||
| 초기 성능 | 71.1 | 80.4 | 88.4 | 1.2 |
| 성능 저하 | 67.4 | 78.6 | 85.7 | 4.2 |
| NH 4 Br 1.0 M 첨가 | 67.8 | 80.5 | 84.2 | 3.7 |
| 구분 | 효율 [ % ] | pH | ||
| 에너지 | 전압 | 전하량 | ||
| 초기 성능 | 71.3 | 79.7 | 89.4 | 1.2 |
| 성능 저하 | 67.7 | 78.1 | 86.6 | 4.1 |
| NH 4 Br 1.0 M 및Br 2 0.1 M 첨가 | 71.7 | 80.9 | 88.6 | 2.2 |
| 구분 | 효율 [ % ] | pH | ||
| 에너지 | 전압 | 전하량 | ||
| 초기 성능 | 71.0 | 79.0 | 89.8 | 1.2 |
| 성능 저하 | 67.3 | 76.2 | 88.3 | 4.1 |
| NH 4 Br 1.0 M 및Br 2 0.5 M 첨가 | 68.6 | 78.9 | 86.9 | 2.2 |
b: 애노드
c: 플로우 프레임
d: 스페이서
e: 분리막
f: 캐소드
Claims (7)
- (a) 방전된 애노드 전해액 및 방전된 캐소드 전해액을 혼합하여 혼합 전해액을 형성하는 단계;
(b) 상기 혼합 전해액에 암모늄계 첨가제를 첨가하는 단계; 및
(c) 상기 혼합 전해액에 브롬을 첨가하는 단계;를 포함하는, 아연-브롬 레독스 흐름 전지의 전해액 회복방법. - 청구항 1에 있어서,
상기 암모늄계 첨가제는 상기 혼합 전해액의 암모늄 이온이 0.1 M 이상 1.5 M 이하가 되도록 첨가되는 것을 특징으로 하는, 아연-브롬 레독스 흐름 전지의 전해액 회복방법. - 청구항 1에 있어서,
상기 암모늄계 첨가제는 브롬화 암모늄(ammonium bromide), 염화 암모늄(ammonium chloride), 요오드화 암모늄(ammonium iodide), 불화 암모늄(ammouium fluoride), 산성 불화 암모늄(ammonium bifluoride), 황화 암모늄(ammonium sulfide), 요오드 염화 암모늄(ammonium iodochloride), 시안화 암모늄(ammonium cyanide), 암모늄 포스페이트(ammonium phosphate), 및 암모늄 아세테이트(ammonium acetate)로 이루어진 군에서 선택되는 적어도 1종를 포함하는 것을 특징으로 하는, 아연-브롬 레독스 흐름 전지의 전해액 회복방법. - 청구항 1에 있어서,
상기 브롬은 상기 혼합 전해액의 브롬 농도가 0.05 M 이상 1.0 M 이하가 되도록 첨가되는 것을 특징으로 하는, 아연-브롬 레독스 흐름 전지의 전해액 회복방법. - 청구항 1에 있어서,
상기 혼합 전해액 내의 암모늄 이온 및 상기 브롬의 몰비는 1:1 내지 12:1인 것을 특징으로 하는, 아연-브롬 레독스 흐름 전지의 전해액 회복방법. - 청구항 1에 있어서,
(c) 단계는 (b) 단계와 동시에 수행되거나, (b) 단계 이후 또는 이전에 수행되는 것을 특징으로 하는, 아연-브롬 레독스 흐름 전지의 전해액 회복방법. - 청구항 1에 있어서,
상기 암모늄계 첨가제 및 상기 브롬은 상기 혼합 전해액의 pH가 2 내지 2.5로 되도록 각각의 첨가량이 조절되는 것을 특징으로 하는, 아연-브롬 레독스 흐름 전지의 전해액 회복방법.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180144582A KR102650133B1 (ko) | 2018-11-21 | 2018-11-21 | 아연-브롬 레독스 흐름 전지의 전해액 회복방법 |
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|---|---|---|---|
| KR1020180144582A KR102650133B1 (ko) | 2018-11-21 | 2018-11-21 | 아연-브롬 레독스 흐름 전지의 전해액 회복방법 |
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| Publication Number | Publication Date |
|---|---|
| KR20200059622A true KR20200059622A (ko) | 2020-05-29 |
| KR102650133B1 KR102650133B1 (ko) | 2024-03-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230137093A (ko) * | 2022-03-21 | 2023-10-04 | 울산과학기술원 | 음극 전해액 및 이를 포함하는 레독스 흐름 전지 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160062528A (ko) * | 2014-11-25 | 2016-06-02 | 롯데케미칼 주식회사 | 아연-브롬 화학흐름전지의 운전 방법 |
| KR20170035723A (ko) * | 2015-09-23 | 2017-03-31 | 롯데케미칼 주식회사 | 화학흐름전지의 운전 제어 방법 |
| KR20170037388A (ko) * | 2015-09-25 | 2017-04-04 | 롯데케미칼 주식회사 | 레독스 흐름 전지 |
| KR20170092040A (ko) * | 2016-02-02 | 2017-08-10 | 롯데케미칼 주식회사 | 레독스 흐름 전지용 전해액 및 레독스 흐름 전지 |
| KR20180028314A (ko) * | 2016-09-08 | 2018-03-16 | 롯데케미칼 주식회사 | 아연-브롬 화학흐름전지의 운전 방법 |
-
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- 2018-11-21 KR KR1020180144582A patent/KR102650133B1/ko active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160062528A (ko) * | 2014-11-25 | 2016-06-02 | 롯데케미칼 주식회사 | 아연-브롬 화학흐름전지의 운전 방법 |
| KR20170035723A (ko) * | 2015-09-23 | 2017-03-31 | 롯데케미칼 주식회사 | 화학흐름전지의 운전 제어 방법 |
| KR20170037388A (ko) * | 2015-09-25 | 2017-04-04 | 롯데케미칼 주식회사 | 레독스 흐름 전지 |
| KR20170092040A (ko) * | 2016-02-02 | 2017-08-10 | 롯데케미칼 주식회사 | 레독스 흐름 전지용 전해액 및 레독스 흐름 전지 |
| KR20180028314A (ko) * | 2016-09-08 | 2018-03-16 | 롯데케미칼 주식회사 | 아연-브롬 화학흐름전지의 운전 방법 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230137093A (ko) * | 2022-03-21 | 2023-10-04 | 울산과학기술원 | 음극 전해액 및 이를 포함하는 레독스 흐름 전지 |
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| KR102650133B1 (ko) | 2024-03-21 |
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