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The proton uptake process in double perovskite triple ionic-electronic conducting oxides for protonic ceramic cells
Year of publication 2022
Title of paper The proton uptake process in double perovskite triple ionic-electronic conducting oxides for protonic ceramic cells
Author Seunghyeok Im, Muhammet Ali Berk, Sungeun Yang, Byung-Kook Kim, Kyung Joong Yoon, Ji-Won Son, Jong-Ho Lee, Ho-Il Ji
Publication in journal J. Mater. Chem. A
Status of publication published
Vol 10
date 2022.07.07
pubilsher
Link 관련링크 https://pubs.rsc.org/en/content/articlehtml/2022/ta/d2ta03522g 221회 연결



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14 An Unprecedented Vapor-Phase Sintering Activator for Highly Refractory Proton-Conducting Oxides
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열람중 The proton uptake process in double perovskite triple ionic-electronic conducting oxides for protonic ceramic cells
Seunghyeok Im, Muhammet Ali Berk, Sungeun Yang, Byung-Kook Kim, Kyung Joong Yoon, Ji-Won Son, Jong-Ho Lee, Ho-Il Ji
J. Mater. Chem. A, 10, 2022.07.07, published



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10 Tailoring shape and exposed crystal facet of single-crystal layered-oxide cathode particles for all-solid-state batteries
Hoyeol Jeon, Deok-Hwang Kwon, Hyoungchul Kim, Jong-Ho Lee, Yongseok Jun, Ji-Won Son, Sangbaek Park
Chemical Engineering Journal, 445, 2022.05.12, published

   

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9 Construction of high-temperature electronic conduction paths for the scale-up of solid oxide fuel cell technology
Mi Young Park, Sun-Young Park, Haewon Seo, Jin-Mook Jung, Hyo Ki Hwang, Jongsup Hong, Jun-Young Park, Insung Lee and Kyung Joong Yoon
Journal of Materials Chemistry A, 10, 2022.05.09, published



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8 Improved strontium segregation suppression of lanthanum strontium cobalt oxide cathode via chemical etching and atomic layer deposition
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International Journal of Energy Research, 46, 2022.05.01, published



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Bin-Na Yun, Seongsoo Lee, Wo Dum Jung, Hyeon-Ji Shin, Jun Tae Kim, Seungho Yu, Kyung Yoon Chung, Hyoungchul Kim*, and Hun-Gi Jung*
ACS Applied Materials&Interfaces, 14, 2022.02.14, published



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5 Crack-free cathode of intermediate-temperature solid oxide fuel cells via electrospray deposition
Guangmin Li, 김정훈, 손지원, 최만수, 김형철, 신성수
International Journal of Applied Ceramic Technology, 19(1), 241-248, 2022.01, published



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4 Synergistic effect of oxygen vacancy and dual electrocatalysts in activating anion redox in lithia-based cathodes
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암모니아(NH3) 에너지 밀도가 높고 연소시 이산화탄소 배출이 없어 각광받는 수소 (혹은 에너지) 운반체이다. 암모니아를 연료로 사용하여 전기 에너지를 생산할 수 있는 기술 중 고체산화물 연료전지 (SOFC) 가 있다. SOFC는 니켈이 풍부한 연료극 구조와 높은 작동 온도를 가지고 있어 암모니아 연료를 셀에 직접 주입하여 사용할 수 있다. 750도 이상의 높은 작동온도를 가지는 기존의 SOFC는 별도의 셀구조 변화 없이 직접 암모니아 운전이 가능하다. 작동 온도를 낮추면 암모니아 연료 SOFC의 응용 분야가 다양해질 수 있어 그에 대한 연구를 진행하였다. 본 연구에서는 500~650°C 온도에서 두 가지 유형의 박막형 SOFC(TF-SOFC)를 사용하여 직접 암모니아 작동을 테스트하고 이를 상용 SOFC와 비교하였다. NiO-GDC 연료극을 가진 TF-SOFC는 650도에서 1330mW cm-2의 최대 전력 밀도를 보였고 이는 현재까지 보고된 최고수준의 암모니아 연료 SOFC 성능이다. 그러나 NH3 운전시의 성능은 동일한 셀을 이용한 H2 운전시의 성능과 큰 차이가 존재했다. 전기화학 임피던스 분석, 암모니아 전환율 분석 및 2D multiphysics 모델링을 통해 저온에서 낮은 암모니아 전환율이 성능 격차의 주요 원인임을 확인하였다. 따라서 암모니아 전환율을 높일 수 있는 암모니아 분해 촉매를 도입하면 저온형 직접 암모니아 SOFC의 성능을 개선시킬 수 있으리라 기대된다. 

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Jinho Oh, Yeongin Jo, Tae Wan Kim, Hari Babu Bathula, Sungeun Yang, Joon Hyun Baik, Young-Woong Suh
Applied Catalysis B: Environmental, 305, 2022-05-15, Elsevier, published

 

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1 Revisiting the LiPON/Li thin film as a bifunctional interlayer for NASICON solid electrolyte-based lithium metal batteries
이승환, 정세훈, 양성은, 이종호, 신현정, 김주선, 박상백
Applied Surface Science, Accepted, Elsevier, in press

 


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