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A Study on the Separation and Concentration of Li from Li-Containing Waste Solutions by Electrodialysis
리튬함유 폐액으로부터 전기투석에 의한 리튬의 분리·농축 연구
Jueun Lee, Hongil So, Yeonchul Cho, Inhwan Jang, Jaewoo Ahn, Jaeheon Lee
이주은, 소홍일, 조연철, 장인환, 안재우, 이재헌
Korean J. Met. Mater. 2019;57(10):656-662.   Published online 2019 Sep 6
DOI: https://doi.org/10.3365/KJMM.2019.57.10.656

Electrodialysis was used to develop a highly efficient process for concentrating and recovering Li from the Li-containing waste solution that is generated after recovering Co and Ni from a leach solution of waste cathode materials of Li ion batteries. The optimum conditions were investigated by comparing the concentration of Li..... More

Hydride Precipitation Behavior with Hydrogen Concentration and Homogenization Temperature in Zr-2.5%Nb Pressure Tube Material
Zr-2.5%Nb 압력관 재료에서 수소 농도와 균질화 처리 온도에 따른 수소화물 석출 거동
Sang Yup Lim, SungSoo Kim, Gyeong-Geun Lee
임상엽, 김성수, 이경근
Korean J. Met. Mater. 2019;57(4):203-213.   Published online 2019 Apr 5
DOI: https://doi.org/10.3365/KJMM.2019.57.4.203

The precipitation characteristics of hydrides in Zr-2.5% Nb pressure tube material were investigated for various hydrogen concentrations and homogenization temperatures. A surface hydride was formed using the electrolytic method and homogenized at various temperatures up to at 550 oC. The homogenization treatment was carried out at 300-550 oC over 240..... More

Study of the Morphological, Structural, Optical and Photoelectrochemical Properties of Zinc Oxide Nanorods Grown Using a Microwave Chemical Bath Deposition Method
마이크로파 화학 용액 증착법을 이용하여 성장시킨 ZnO 나노로드의 형태학적, 구조적, 광학적 그리고 광전기화학적 특성 변화 연구
Sungjin Oh, Hyukhyun Ryu, Won-Jae Lee
오성진, 류혁현, 이원재
Korean J. Met. Mater. 2017;55(4):255-263.   Published online 2017 Apr 6
DOI: https://doi.org/10.3365/KJMM.2017.55.4.255

In this study, zinc oxide (ZnO) nanostructures were grown on a ZnO-buffered fluorine-doped tin oxide (FTO) substrate using a microwave chemical bath deposition method with different zinc oxide precursor concentrations from 0.01 to 0.5 M. We investigated the effects of the zinc oxide precursor concentration on the morphological, structural, optical..... More

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