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Ion Exchange for the Purification of Co(II) or Ni(II) from Acidic and Ammonia Solutions in the Recycling of Spent Lithium-Ion Batteries
Thanh Tuan Tran, Man Seung Lee
Korean J. Met. Mater. 2022;60(12):902-911.   Published online 2022 Nov 25
DOI: https://doi.org/10.3365/KJMM.2022.60.12.902

The recycling of critical metals like cobalt and nickel from spent lithium-ion batteries (LIBs) is of immense importance in sustainable manufacturing. This work aims to purify Co(II) and Ni(II) present in acidic and ammonia solutions using ion exchange. AG-1-X8 resin modified with thiocyanate anions (R4N+SCN resin) was used to separate..... More

                   Web of Science 1  Crossref 1
Synthesis and Characterization of the Cu<sub>0.72</sub>Co<sub>2.28</sub>O<sub>4</sub> Catalyst for Oxygen Evolution Reaction in an Anion Exchange Membrane Water Electrolyzer
음이온 교환막 수전해에 사용되는 Cu0.72Co2.28O4 산소 발생 촉매의 합성 및 특성 분석
Sung Min Park, Myeong Je Jang, Yoo Sei Park, Jooyoung Lee, Jae-yeop Jeong, Jaehoon Jung, Min-Kwan Choi, Yu-Seong Noh, Min-Ho Seo, Hyung Ju Kim, Juchan Yang, Yang Do Kim, Sung Mook Choi
박성민, 장명제, 박유세, 이주영, 정재엽, 정재훈, 최민관, 노유성, 서민호, 김형주, 양주찬, 김양도, 최승목
Korean J. Met. Mater. 2020;58(1):49-58.   Published online 2019 Dec 12
DOI: https://doi.org/10.3365/KJMM.2020.58.1.49

In this study, we investigated the morphological, crystal structural, electronic structural, and electrocatalytic properties of the inverse spinel structured copper cobalt oxide (Cu0.72Co2.28O4) catalysts. The materials were prepared by coprecipitation using various copper and cobalt precursors, and subsequent oxidation treatment. Electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and Brunauer Emmett..... More

                   Web of Science 11  Crossref 12
Potential of Ruthenium and Cobalt as Next-generation Semiconductor Interconnects
Ru와 Co의 차세대 반도체 배선 적용성 연구
Dooho Choi
Korean J. Met. Mater. 2018;56(8):605-610.   Published online 2018 Aug 5
DOI: https://doi.org/10.3365/KJMM.2018.56.8.605

Severe resistivity size effect in Cu interconnects is attributed to the relatively long bulk electron mean free path (39 nm at 298 K), which is inherently determined by phonon scattering. In this regard, Ru and Co have been recently considered as attractive alternatives for next-generation interconnect materials because the significantly..... More

                   Crossref 7
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