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ACS Appl Mater Interfaces. 2013 Mar;5(6):2133-6. doi: 10.1021/am303178g. Epub 2013 Mar 8.

Encapsulation of metal oxide nanocrystals into porous carbon with ultrahigh performances in lithium-ion battery.

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Department of Energy Engineering, Hanyang University, Seoul,133-791, Republic of Korea.


A simple and industrial scalable approach was developed to encapsulate metal oxide nanocrystals into porous carbon (PC) with a high distribution. With this method, the composite of PC-metal oxide were prepared in a large amount with a low cost; particularly they exhibit ultrahigh performances in lithium-ion battery applications. For example, the PC-CoOx and PC-FeOx show a high capacity around 1021 mA h g(-1) and 1200 mA h g(-1) at the current density of 100 mA g(-1) respectively, together with an excellent cycling ability (>400 cycles) and rate capacity even at the high current densities of 3 A g(-1) and 5 A g(-1).

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