Journal
MATERIALS LETTERS
Volume 131, Issue -, Pages 49-52Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2014.05.164
Keywords
Carbon materials; Porous materials; Carbon nanospheres; Capacitance
Funding
- NSFC [50802112, 21073233]
- National Key Basic Research and Development Program [2009CB220100]
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An easy method for preparing porous carbon nanospheres is presented by using commercial spherical poly(vinylidene fluoride) (PVDF) as precursors. The PVDF nanospheres are simply converted to porous carbon nanospheres by a low temperature defluorination treatment with an organic alkali and followed high temperature carbonization. The as-prepared carbon exhibits monodispersed spherical morphology with size of similar to 170 nm, porous structure with a surface area of 523 m(2) g(-1) and nitrogen-doped functionality, which affords a capacitance of 190 F g(-1) with good rate capability in 6 mol L-1 KOH. (C) 2014 Elsevier B.V. All rights reserved.
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