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PAPER
Highly Stable Metal Mono-Oxide Alloy Nanoparticles and Their Potential as Anode Materials for Li-Ion Battery관리자2020-05-11 조회 2,227 댓글 0이메일주소 site@site.co.kr Author Gyoung Hwa Jeong, Hyoung-Bong Bae, Donghyeuk Choi, Young Hoon Kim, Songhun Yoon, Sang-Wook Kim Journal The Journal of Physical Chemistry C Year of Pub. 2012
We report the synthesis of MnxNi1-xO and MnyCo1-yO alloy nanoparticles by the thermal decomposition of the metal precursor in a surfactant. The different sized and shaped MnxNi1-xO and MnyCo1-yO nanoparticles could be obtained by controlling precursors and surfactants. These alloy nanoparticles are antiferromagnetic and their stability is better than that of pure metal mono-oxides. On the basis of these results, we expect these alloy nanoparticles to have potential applications as electrodes in energy-generating devices such as Li-ion batteries. The higher Ni content (Mn0.19Ni0.81O) electrode exhibited a large reversible capacity (650 mAh g–1), a better initial efficiency (56%), and an improved rate and cycle performance, which was ascribed to higher electrical/electrolyte conductivity or improved surface film property. To our best knowledge, the reversible Li storage in metal oxides like MnO or NiO …
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