KR20220136491A - 복합 산화물 분말 - Google Patents
복합 산화물 분말 Download PDFInfo
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- KR20220136491A KR20220136491A KR1020227033408A KR20227033408A KR20220136491A KR 20220136491 A KR20220136491 A KR 20220136491A KR 1020227033408 A KR1020227033408 A KR 1020227033408A KR 20227033408 A KR20227033408 A KR 20227033408A KR 20220136491 A KR20220136491 A KR 20220136491A
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- H01M2004/8678—Inert electrodes with catalytic activity, e.g. for fuel cells characterised by the polarity
- H01M2004/8689—Positive electrodes
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- 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
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Abstract
ABO3-δ… (1)
(식중, A: La, Sr, Sm, Ca, Ba로부터 선택되는 1종류 이상의 원소, B: Fe, Co, Ni, Mn으로부터 선택되는 1종류 이상의 원소, 0≤δ\ <1)
비표면적값 β(m2/g)=비표면적값 γ-비표면적값 ε…(2)
(식중, 비표면적값 γ(m2/g): 수은압입법 측정에 의해 측정되는 전체 세공 직경 범위의 비표면적값의 누적값, 비표면적값 ε(m2/g): 마이크로트랙 입도분포 측정장치에 의해 산출되는 입도 분포에서의 50% 누적 입자 직경(체적 환산·D50)보다 큰 세공 직경 범위의 비표면적값의 누적값)
Description
도 2는 고체산화물형 연료전지의 일례를 모식적으로 나타내는 단면 구성도이다.
2: 고체전해질
3: 공기극
Claims (7)
- 하기 조성식(1)으로 표시되는 조성을 가지고,
BET 1점법에 의해 산출되는 비표면적값 α(m2/g)와, 하기 식(2)으로부터 산출되는 비표면적값 β(m2/g)의 비 α/β가, 1.0보다 크고 1.5 이하이며,
비표면적값 α가 20m2/g 이하인,
복합 산화물 분말:
ABO3-δ…(1)
(상기 식(1) 중, A: La, Sr, Sm, Ca, Ba로부터 선택되는 1종류 이상의 원소, B: Fe, Co, Ni, Mn으로부터 선택되는 1종류 이상의 원소, 0≤δ<1)
비표면적값 β(m2/g)=비표면적값 γ-비표면적값 ε…(2)
(상기 식(2) 중, 비표면적값 γ(m2/g): 수은압입법 측정에 의해 측정되는 전체 세공(細孔) 직경 범위의 비표면적값의 누적값, 비표면적값 ε(m2/g): 마이크로트랙 입도분포 측정장치에 의해 산출되는 입도 분포에서의 50% 누적 입자 직경(체적 환산·D50)보다 큰 세공 직경 범위의 비표면적값의 누적값). - 제1항에 있어서,
BET 1점법에 의해 산출되는 분말의 비표면적값 α가 2.5m2/g 이상인, 복합 산화물 분말. - 제1항 또는 제2항에 있어서,
상기 비표면적값 β가 1.5m2/g 이상인, 복합 산화물 분말. - 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 50% 누적 입자 직경(체적 환산·D50)이 0.1㎛ 이상 10㎛ 이하의 범위인, 복합 산화물 분말. - 제1항 내지 제4항 중 어느 한 항에 있어서,
일반식(1)에서의 A 사이트에 포함되는 원소가 La 혹은, La 및 Sr이며, B 사이트에 포함되는 원소가 Fe, Co, Ni로부터 선택되는 1종류 이상의 원소인, 복합 산화물 분말. - 제1항 내지 제5항 중 어느 한 항에 기재된 복합 산화물 분말을 포함하여 형성되는 연료전지용의 공기극(空氣極).
- 연료극과, 고체전해질과, 공기극을 구비한 고체산화물형 연료전지로서,
상기 공기극으로서 제6항에 기재된 공기극을 사용한, 고체산화물형 연료전지.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/030323 WO2022029992A1 (ja) | 2020-08-07 | 2020-08-07 | 複合酸化物粉末 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20220136491A true KR20220136491A (ko) | 2022-10-07 |
| KR102494705B1 KR102494705B1 (ko) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227033408A Active KR102494705B1 (ko) | 2020-08-07 | 2020-08-07 | 복합 산화물 분말 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11866346B2 (ko) |
| EP (1) | EP4137459A4 (ko) |
| JP (2) | JP7140938B2 (ko) |
| KR (1) | KR102494705B1 (ko) |
| CN (1) | CN115697912B (ko) |
| WO (1) | WO2022029992A1 (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230338921A1 (en) * | 2022-04-22 | 2023-10-26 | United States Department Of Energy | Perovskite Oxygen Carriers and Methods for Making and Using Perovskite Oxygen Carriers |
| JP7555447B1 (ja) | 2023-03-30 | 2024-09-24 | Dowaエレクトロニクス株式会社 | ペロブスカイト型複合酸化物粉末 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100168307A1 (en) * | 2007-01-18 | 2010-07-01 | Naoaki Narishige | Modified perovskite complex oxide, method for producing the same and composite dielectric material |
| JP2010251070A (ja) | 2009-04-14 | 2010-11-04 | Sumitomo Chemical Co Ltd | 燃料電池用水素製造用触媒およびこれを用いた燃料電池用水素の製造方法 |
| JP2011228009A (ja) * | 2010-04-15 | 2011-11-10 | Dowa Electronics Materials Co Ltd | 固体電解質型燃料電池用複合酸化物、固体電解質型燃料電池セル用接合剤、固体電解質型燃料電池用電極、固体電解質型燃料電池用集電部材、固体電解質型燃料電池、固体電解質型燃料電池セルスタック、及び固体電解質型燃料電池用複合酸化物混合物の製造方法 |
| JP6664132B2 (ja) | 2015-03-25 | 2020-03-13 | 国立研究開発法人産業技術総合研究所 | 多孔質構造体とその製造方法、及びそれを用いた電気化学セルとその製造方法 |
| JP2020055704A (ja) | 2018-10-01 | 2020-04-09 | Dowaエレクトロニクス株式会社 | 複合酸化物粉末 |
| JP2020113424A (ja) * | 2019-01-10 | 2020-07-27 | Dowaエレクトロニクス株式会社 | 複合酸化物粉末 |
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| JPS60137358A (ja) | 1983-12-26 | 1985-07-20 | 三菱重工業株式会社 | 凍結手術器 |
| JPS63100001A (ja) | 1986-05-30 | 1988-05-02 | Ube Ind Ltd | ペロブスカイト原料粉末の製法 |
| JPH04193701A (ja) | 1990-11-26 | 1992-07-13 | Meidensha Corp | ペロブスカイト型酸化物粉体の製造方法 |
| EP1462428A3 (en) * | 2003-03-28 | 2006-08-16 | Dowa Mining Co., Ltd. | Method of producing perovskite complex oxide and precursor substance used in the method |
| CN101069844B (zh) * | 2007-05-22 | 2010-10-06 | 南京大学 | 钙钛矿型复合氧化物La1-xSrxMO3-0.5βFβ及其制法和用途 |
| US20100159333A1 (en) * | 2008-12-24 | 2010-06-24 | Ngk Insulators, Ltd. | Plate-like particle for cathode active material of a lithium secondary battery, and a lithium secondary battery |
| JP6071999B2 (ja) | 2012-03-09 | 2017-02-01 | Agcセイミケミカル株式会社 | 固体酸化物型燃料電池用の空気極材料粉末及びその製造方法 |
| JP6047252B2 (ja) * | 2015-04-07 | 2016-12-21 | 日本化学工業株式会社 | 誘電体セラミック材料、その製造方法及び複合誘電体材料 |
| JP6813992B2 (ja) * | 2016-08-29 | 2021-01-13 | 株式会社ノリタケカンパニーリミテド | 固体酸化物形燃料電池とこれに用いる電極材料 |
-
2020
- 2020-08-07 KR KR1020227033408A patent/KR102494705B1/ko active Active
- 2020-08-07 JP JP2022509653A patent/JP7140938B2/ja active Active
- 2020-08-07 US US17/925,724 patent/US11866346B2/en active Active
- 2020-08-07 CN CN202080101361.9A patent/CN115697912B/zh active Active
- 2020-08-07 WO PCT/JP2020/030323 patent/WO2022029992A1/ja not_active Ceased
- 2020-08-07 EP EP20948169.6A patent/EP4137459A4/en not_active Withdrawn
-
2022
- 2022-09-08 JP JP2022142659A patent/JP2022184894A/ja active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100168307A1 (en) * | 2007-01-18 | 2010-07-01 | Naoaki Narishige | Modified perovskite complex oxide, method for producing the same and composite dielectric material |
| JP2010251070A (ja) | 2009-04-14 | 2010-11-04 | Sumitomo Chemical Co Ltd | 燃料電池用水素製造用触媒およびこれを用いた燃料電池用水素の製造方法 |
| JP2011228009A (ja) * | 2010-04-15 | 2011-11-10 | Dowa Electronics Materials Co Ltd | 固体電解質型燃料電池用複合酸化物、固体電解質型燃料電池セル用接合剤、固体電解質型燃料電池用電極、固体電解質型燃料電池用集電部材、固体電解質型燃料電池、固体電解質型燃料電池セルスタック、及び固体電解質型燃料電池用複合酸化物混合物の製造方法 |
| JP6664132B2 (ja) | 2015-03-25 | 2020-03-13 | 国立研究開発法人産業技術総合研究所 | 多孔質構造体とその製造方法、及びそれを用いた電気化学セルとその製造方法 |
| JP2020055704A (ja) | 2018-10-01 | 2020-04-09 | Dowaエレクトロニクス株式会社 | 複合酸化物粉末 |
| JP2020113424A (ja) * | 2019-01-10 | 2020-07-27 | Dowaエレクトロニクス株式会社 | 複合酸化物粉末 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7140938B2 (ja) | 2022-09-21 |
| US20230197972A1 (en) | 2023-06-22 |
| JP2022184894A (ja) | 2022-12-13 |
| EP4137459A4 (en) | 2023-11-08 |
| EP4137459A1 (en) | 2023-02-22 |
| JPWO2022029992A1 (ko) | 2022-02-10 |
| CN115697912B (zh) | 2023-08-11 |
| WO2022029992A1 (ja) | 2022-02-10 |
| US11866346B2 (en) | 2024-01-09 |
| KR102494705B1 (ko) | 2023-01-31 |
| CN115697912A (zh) | 2023-02-03 |
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