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ACS Appl Mater Interfaces. 2016 Aug 3;8(30):19514-23. doi: 10.1021/acsami.6b05973. Epub 2016 Jul 20.

One-Step Catalytic Synthesis of CuO/Cu2O in a Graphitized Porous C Matrix Derived from the Cu-Based Metal-Organic Framework for Li- and Na-Ion Batteries.

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Center for Energy Convergence Research, Korea Institute of Science and Technology , Hwarang-ro 14-gil 5, Seongbuk-gu, Seoul 02792, Republic of Korea.
Department of Material Science and Engineering, Korea University , Anam dong 5 ga, Seongbuk-gu, Seoul 02841, Republic of Korea.
Department of Chemical and Biochemical Engineering, Dongguk University , Phil dong 3-26, Joong-gu, Seoul 04620, Republic of Korea.
Department of Chemisty, Hanyang University , Haengdang-dong 17, Sungdong-ku, Seoul 04763, Republic of Korea.


The hybrid composite electrode comprising CuO and Cu2O micronanoparticles in a highly graphitized porous C matrix (CuO/Cu2O-GPC) has a rational design and is a favorable approach to increasing the rate capability and reversible capacity of metal oxide negative materials for Li- and Na-ion batteries. CuO/Cu2O-GPC is synthesized through a Cu-based metal-organic framework via a one-step thermal transformation process. The electrochemical performances of the CuO/Cu2O-GPC negative electrode in Li- and Na-ion batteries are systematically studied and exhibit excellent capacities of 887.3 mAh g(-1) at 60 mA g(-1) after 200 cycles in a Li-ion battery and 302.9 mAh g(-1) at 50 mA g(-1) after 200 cycles in a Na-ion battery. The high electrochemical stability was obtained via the rational strategy, mainly owing to the synergy effect of the CuO and Cu2O micronanoparticles and highly graphitized porous C formed by catalytic graphitization of Cu nanoparticles. Owing to the simple one-step thermal transformation process and resulting high electrochemical performance, CuO/Cu2O-GPC is one of the prospective negative active materials for rechargeable Li- and Na-ion batteries.


Li-ion secondary battery; Na-ion secondary battery; copper oxide; graphitized porous C; metal−organic framework; one-step catalytic graphitization process


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