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Sulfur Poisoning of Ni Anode as a Function of Operating Conditions in Solid Oxide Fuel Cells
고체산화물 연료전지의 운전 조건에 따른 니켈 전극 황 피독 현상
Ho Seong Lee, Hyun Mi Lee, Hyung-Tae Lim
이호성, 이현미, 임형태
Korean J. Met. Mater. 2018;56(12):893-899.   Published online 2018 Dec 5
DOI: https://doi.org/10.3365/KJMM.2018.56.12.893

In the present study, we investigated the sulfur poisoning of the Ni anode in solid oxide fuel cells (SOFCs) as a function of operating conditions. Anode supported cells were fabricated, and sulfur poising tests were conducted as a function of current density, H2S concentration and humidity in the anode gas...... More

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Effect of Preparation Methods on the Electrochemical Performance of All-solid-state Li-S Batteries
탄소-황 복합 전극 제조 방법에 따른 리튬-황 전고체 전지 성능 변화
Han Ul Choi, Ju Sung Jin, Hyung-Tae Lim
최한울, 진주성, 임형태
Korean J. Met. Mater. 2017;55(7):503-508.   Published online 2017 Jul 4
DOI: https://doi.org/10.3365/KJMM.2017.55.7.503

All-solid-state Li-S batteries were fabricated with lithium silicide anodes (Li4.4Si), sulfide-based glass electrolyte (Li2S-P2S5), and a sulfur composite cathode. The sulfur based composite cathode was prepared using two methods; (Case 1) mortar-mixing and (Case 2) planetary ball milling at a rotation speed of 370 rev/min for 15 min. SEM analysis..... More

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Effects of the Air Flow Rate and Electrolyte Thickness on the Durability of Yttria-doped Barium Cerate (BCY)-based Solid Oxide Fuel Cells
BCY 기반 고체산화물 연료전지의 내구성에 영향을 미치는 인자에 대한 연구
Seon Yeong Bae, Mi Young Park, Jong Gyu Lee, Hyung-Tae Lim
배선영, 박미영, 이종규, 임형태
Korean J. Met. Mater. 2017;55(5):335-341.   Published online 2017 May 9
DOI: https://doi.org/10.3365/KJMM.2017.55.5.335

Anode-supported yttria-doped barium cerate (BCY) electrolyte cells are fabricated and durability tests are conducted as a function of the current density (cell voltage sign), air flow rate, and BCY electrolyte thickness. As the air flow rate increases and the current density decreases (from negative to positive cell voltage), the cell..... More

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