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A nonaqueous electrolyte solution is employed to form double layers on a poly(vinylidene chloride) (PVDC)-based carbon material, thereby extending the application of PVDC-based carbon to nonaqueous systems. Thermal behavior of the Npv-series, which was obtained by simple heat treatment under an inert atmosphere, and the Apv-series, which is obtained by potassium hydroxide (KOH) addition, is confirmed...
Submicron vapor grown carbon fibers (VGCFs) obtained by a floating growth method were evaluated in terms of their microstructural development with heat treatment temperature (HTT), physical properties of a single fiber and of the bulk state, and additional effects, such as the filler in the electrode of a lead-acid battery and a Li-ion battery system. Its desirable properties, such as relatively high...
Lithium ion secondary batteries are currently the best portable energy storage device for the consumer electronics market. The recent development of the lithium ion secondary batteries has been achieved by the use of selected carbon and graphite materials as an anode. The performance of lithium ion secondary batteries, such as the charge/discharge capacity, voltage profile and cyclic stability, depend...
The structures and anode performance of graphitized and boron-doped milled mesophase pitch-based carbon fibers (mMPCFs) have been comparatively studied and the results obtained by X-ray diffraction (XRD), SEM, Raman spectroscopy and electrochemical measurements are discussed. The boron doping at the level of 2.66 at.% (2.4 wt.%) enhances the growth of the crystallite thickness, L c(002) ,...
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