JP6789450B1 - 電気化学セル - Google Patents
電気化学セル Download PDFInfo
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- JP6789450B1 JP6789450B1 JP2020531674A JP2020531674A JP6789450B1 JP 6789450 B1 JP6789450 B1 JP 6789450B1 JP 2020531674 A JP2020531674 A JP 2020531674A JP 2020531674 A JP2020531674 A JP 2020531674A JP 6789450 B1 JP6789450 B1 JP 6789450B1
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- 239000000446 fuel Substances 0.000 claims abstract description 65
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 43
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 13
- 229910052712 strontium Inorganic materials 0.000 claims abstract description 13
- 238000000682 scanning probe acoustic microscopy Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 description 25
- 239000002002 slurry Substances 0.000 description 14
- 230000006866 deterioration Effects 0.000 description 12
- 239000000843 powder Substances 0.000 description 12
- 230000035945 sensitivity Effects 0.000 description 12
- 238000012935 Averaging Methods 0.000 description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 6
- 238000010894 electron beam technology Methods 0.000 description 6
- 229910021526 gadolinium-doped ceria Inorganic materials 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000011812 mixed powder Substances 0.000 description 5
- 229910002080 8 mol% Y2O3 fully stabilized ZrO2 Inorganic materials 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 3
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- SQIFACVGCPWBQZ-UHFFFAOYSA-N delta-terpineol Natural products CC(C)(O)C1CCC(=C)CC1 SQIFACVGCPWBQZ-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 229940116411 terpineol Drugs 0.000 description 3
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 3
- 229910003026 (La,Sr)(Co,Fe)O3 Inorganic materials 0.000 description 2
- HXQQNYSFSLBXQJ-UHFFFAOYSA-N COC1=C(NC(CO)C(O)=O)CC(O)(CO)CC1=NCC(O)=O Chemical compound COC1=C(NC(CO)C(O)=O)CC(O)(CO)CC1=NCC(O)=O HXQQNYSFSLBXQJ-UHFFFAOYSA-N 0.000 description 2
- 229910018921 CoO 3 Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000013025 ceria-based material Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- -1 oxygen ion Chemical class 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910020599 Co 3 O 4 Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052963 cobaltite Inorganic materials 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- LBSANEJBGMCTBH-UHFFFAOYSA-N manganate Chemical compound [O-][Mn]([O-])(=O)=O LBSANEJBGMCTBH-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/08—Hybrid cells; Manufacture thereof composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
-
- 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
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M8/1213—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8605—Porous electrodes
- H01M4/8621—Porous electrodes containing only metallic or ceramic material, e.g. made by sintering or sputtering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
- H01M4/9025—Oxides specially used in fuel cell operating at high temperature, e.g. SOFC
- H01M4/9033—Complex oxides, optionally doped, of the type M1MeO3, M1 being an alkaline earth metal or a rare earth, Me being a metal, e.g. perovskites
-
- 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
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M2008/1293—Fuel cells with solid oxide electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9041—Metals or alloys
- H01M4/905—Metals or alloys specially used in fuel cell operating at high temperature, e.g. SOFC
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
- H01M8/2425—High-temperature cells with solid 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Inert Electrodes (AREA)
- Fuel Cell (AREA)
Abstract
Description
本実施形態に係る電気化学セルの一例として、燃料電池100の構成について図面を参照しながら説明する。図1は、燃料電池100の斜視図である。
H2+O2−→H2O+2e− (於:燃料極110) …(2)
第1部分130aにおけるオージェ電子分光分析で検出されるSrの定量値(以下、「Sr濃度」という。)に対するLaの定量値(以下、「La濃度」という。)の第1の比(La濃度/Sr濃度)Qaは、第2部分130bにおけるオージェ電子分光分析で検出されるSr濃度に対するLa濃度の第2の比(La濃度/Sr濃度)Qbの1.1倍以上である。すなわち、Qa≧1.1×Qbが成立する。
燃料電池100の製造方法について説明する。
以上、本発明の実施形態について説明したが、本発明はこれらに限定されるものではなく、本発明の趣旨を逸脱しない限りにおいて種々の変更が可能である。
以下のようにして、サンプルNo.1〜No.10に係る燃料電池を作製した。
まず、空気極を厚み方向に沿って切断することによって、空気極の断面を露出させた。次に、断面上における固体電解質層側の表面から空気極の全厚みの3/4の位置において、第1の比Qaを算出するための4つの第1測定点を無作為に選出した。また、断面上における固体電解質層側の表面から空気極の全厚みの1/4の位置において、第2の比Qbを算出するための4つの第2測定点を無作為に選出した。
サンプルNo.1〜No.10について、燃料極側に窒素ガス、空気極側に空気を供給しながら750℃まで昇温し、750℃に達した時点で燃料極に水素ガスを供給しながら還元処理を3時間行った。
110 燃料極
120 固体電解質層
130 空気極
130a 第1部分
130b 第2部分
Claims (3)
- 燃料極と、
一般式ABO3で表され、AサイトにLa及びSrを含むペロブスカイト型酸化物を主成分として含有する空気極と、
前記燃料極と前記空気極との間に配置される固体電解質層と、
を備え、
前記空気極は、前記固体電解質層と反対側の第1部分と、前記固体電解質層側の第2部分とを有し、
前記第1部分におけるオージェ電子分光分析で検出されるSr濃度に対するLa濃度の第1の比は、前記第2部分におけるオージェ電子分光分析で検出されるSr濃度に対するLa濃度の第2の比の1.1倍以上であり、
前記空気極の厚みは、50μm以上2000μm以下であり、
前記第1部分の厚みは、前記空気極の厚みの25%以上75%以下である、
電気化学セル。 - 前記第1の比は、前記第2の比の1.6倍以下である、
請求項1に記載の電気化学セル。 - 前記第1の比は、前記第2の比の1.3倍以下である、
請求項1又は2に記載の電気化学セル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019014747 | 2019-01-30 | ||
JP2019014747 | 2019-01-30 | ||
PCT/JP2020/000571 WO2020158341A1 (ja) | 2019-01-30 | 2020-01-10 | 電気化学セル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6789450B1 true JP6789450B1 (ja) | 2020-11-25 |
JPWO2020158341A1 JPWO2020158341A1 (ja) | 2021-02-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2020531674A Active JP6789450B1 (ja) | 2019-01-30 | 2020-01-10 | 電気化学セル |
Country Status (5)
Country | Link |
---|---|
US (1) | US11637342B2 (ja) |
JP (1) | JP6789450B1 (ja) |
CN (1) | CN113330613B (ja) |
DE (1) | DE112020000006T5 (ja) |
WO (1) | WO2020158341A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08180885A (ja) * | 1994-12-26 | 1996-07-12 | Tokyo Gas Co Ltd | 空気極の集電効率を向上させた固体電解質型燃料電池 |
JP2012119212A (ja) * | 2010-12-02 | 2012-06-21 | Nippon Telegr & Teleph Corp <Ntt> | 固体酸化物形燃料電池および固体酸化物形燃料電池用単セル |
WO2017006943A1 (ja) * | 2015-07-07 | 2017-01-12 | 日本碍子株式会社 | 燃料電池 |
WO2018021490A1 (ja) * | 2016-07-27 | 2018-02-01 | 日本碍子株式会社 | 電気化学セル |
WO2018021484A1 (ja) * | 2016-07-27 | 2018-02-01 | 日本碍子株式会社 | 電気化学セル |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6004688A (en) * | 1997-07-16 | 1999-12-21 | The Board Of Regents Of The University Of Texas System | Solid oxide fuel cell and doped perovskite lanthanum gallate electrolyte therefor |
JP2006032132A (ja) | 2004-07-16 | 2006-02-02 | Hosokawa Funtai Gijutsu Kenkyusho:Kk | 固体電解質型燃料電池の空気極原料粉体、空気極及び固体電解質型燃料電池 |
EP2183806A1 (en) * | 2007-08-08 | 2010-05-12 | Corning Incorporated | Composite cathode for use in solid oxide fuel cell devices |
DE102008009985B4 (de) * | 2008-02-19 | 2015-04-09 | Sunfire Gmbh | Elektrolyt für eine elektrolytgestützte Hochtemperatur-Brennstoffzelle, Verfahren zu dessen Herstellung, dessen Verwendung für eine elektrolytgestützte Brennstoffzelle und Verwendung der Brennstoffzelle für einen Brennstoffzellen-Stapel |
JP5350893B2 (ja) * | 2009-06-05 | 2013-11-27 | 日本電信電話株式会社 | 固体酸化物形燃料電池 |
JP2012043774A (ja) * | 2010-07-21 | 2012-03-01 | Ngk Insulators Ltd | 電極材料及びそれを含む固体酸化物型燃料電池セル |
BRPI1101273B1 (pt) | 2011-03-10 | 2022-07-19 | Universidade Federal De Pernambuco | Moléculas imidazolidínicas e tiazoldínicas com atividades anti-t.cruzi |
JP5140787B1 (ja) * | 2011-12-19 | 2013-02-13 | 日本碍子株式会社 | 空気極材料、インターコネクタ材料及び固体酸化物型燃料電池セル |
JP5834914B2 (ja) * | 2011-12-29 | 2015-12-24 | Toto株式会社 | 固体酸化物形燃料電池セル |
US20150162621A1 (en) * | 2012-03-09 | 2015-06-11 | Agc Seimi Chemical Co., Ltd | Air electrode material powder for solid oxide fuel cell and its production process |
JP5888420B2 (ja) * | 2012-08-03 | 2016-03-22 | 株式会社村田製作所 | 燃料電池 |
JP5755624B2 (ja) * | 2012-10-15 | 2015-07-29 | トヨタ自動車株式会社 | 空気電池用空気極及び空気電池 |
JP6398647B2 (ja) * | 2014-11-21 | 2018-10-03 | 住友電気工業株式会社 | 固体酸化物型燃料電池用アノードの製造方法および燃料電池用電解質層−電極接合体の製造方法 |
CN108352552A (zh) * | 2015-07-01 | 2018-07-31 | 日本碍子株式会社 | 燃料电池 |
JP6597943B1 (ja) * | 2018-03-29 | 2019-10-30 | 堺化学工業株式会社 | 固体酸化物形燃料電池の空気極材料粉体 |
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2020
- 2020-01-10 JP JP2020531674A patent/JP6789450B1/ja active Active
- 2020-01-10 CN CN202080000975.8A patent/CN113330613B/zh active Active
- 2020-01-10 WO PCT/JP2020/000571 patent/WO2020158341A1/ja active Application Filing
- 2020-01-10 DE DE112020000006.0T patent/DE112020000006T5/de active Pending
- 2020-06-23 US US16/909,284 patent/US11637342B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08180885A (ja) * | 1994-12-26 | 1996-07-12 | Tokyo Gas Co Ltd | 空気極の集電効率を向上させた固体電解質型燃料電池 |
JP2012119212A (ja) * | 2010-12-02 | 2012-06-21 | Nippon Telegr & Teleph Corp <Ntt> | 固体酸化物形燃料電池および固体酸化物形燃料電池用単セル |
WO2017006943A1 (ja) * | 2015-07-07 | 2017-01-12 | 日本碍子株式会社 | 燃料電池 |
WO2018021490A1 (ja) * | 2016-07-27 | 2018-02-01 | 日本碍子株式会社 | 電気化学セル |
WO2018021484A1 (ja) * | 2016-07-27 | 2018-02-01 | 日本碍子株式会社 | 電気化学セル |
Also Published As
Publication number | Publication date |
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WO2020158341A1 (ja) | 2020-08-06 |
CN113330613A (zh) | 2021-08-31 |
JPWO2020158341A1 (ja) | 2021-02-18 |
CN113330613B (zh) | 2024-02-02 |
DE112020000006T5 (de) | 2020-10-01 |
US11637342B2 (en) | 2023-04-25 |
US20200328488A1 (en) | 2020-10-15 |
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