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Li_1.6[MnM]_1.6O₄(M=Cu, Ni, Co, Fe)의 합성 및 리튬 흡착제용 신규 전구체로서의 물리화학적 성질Synthesis of Li_1.6[MnM]_1.6O₄(M=Cu, Ni, Co, Fe) and Their Physicochemical Properties as a New Precursor for Lithium Adsorbent
- Other Titles
- Synthesis of Li_1.6[MnM]_1.6O₄(M=Cu, Ni, Co, Fe) and Their Physicochemical Properties as a New Precursor for Lithium Adsorbent
- Issue Date
- 2011
- Publisher
- 한국산학기술학회
- Keywords
- Li-adsorbent; Spinel-type managanese oxide. Co-dopant; Li absorption efficiency
- Citation
- 한국산학기술학회논문지, v.12, no.10, pp.4660 - 4665
- Journal Title
- 한국산학기술학회논문지
- Volume
- 12
- Number
- 10
- Start Page
- 4660
- End Page
- 4665
- ISSN
- 1975-4701
- Abstract
- New precursors as a Li adsorbent, Li_1.6(MnM)_1.6O₄(M=Cu, Ni, Co, Fe), were synthesized by hydrothermal method and their physicochemical properties were discussed. XRD and HRTEM results revealed that the original spinel structure was stabilized by cobalt-doping while Cu-, Ni- and Fe-doping led to structural changes. Such a structural stabilization by Cobalt-doping was maintained after lithium leaching by acid treatment. Li absorption efficiency from seawater was significantly enhanced by using the Cobalt-doped spinel manganese oxide, Li_1.6[MnCo]_1.6O₄, compared to the commercially available Li_1.33Mn_1.67O₄; the adsorbed amount of Li from 1g-adsorbent was 35 and 16 mg by Li_1.6[MnCo]_1.6O₄, and Li_1.33Mn_1.67O₄, respectively.
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Collections - SCH Media Labs > Department of Energy Systems Engineering > 1. Journal Articles
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Related Researcher
- Jeong, Soon Ki
- SCH Media Labs (에너지공학과)