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Activated Carbon Materials Prepared from Pine Branches for Supercapacitors

TitleActivated Carbon Materials Prepared from Pine Branches for Supercapacitors
Publication TypeJournal Article
Year of Publication2015
AuthorsLi, Fang, and Wang Lei
JournalEnergy and Environment Focus
Volume4
Pagination24 - 27
Date Published03/2015
ISSN23263059
Abstract

In this study, a new biochar carbon material serving as electrode materials was prepared from Pine branches via the activation by the KOH agent. The structure and electrochemical properties of as-prepared carbon material were demonstrated by X-ray diffraction, scanning electron microscopy, cyclic voltammetry, and galvanostatic charge/discharge cycling. The obtained results showed that the PBC activated by KOH exhibited a specific capacitance of 62.57 F/g at a current density of 1 A/g in 2 M KOH, and even after 10000 cycles, PCB specific capacitance was still as high as 59.07 F/g. Furthermore, PBC also delivered specific capacitance of 55.4 F/g at current density of 5 A/g and 34.29 F/g at current density of 20 A/g.

URLhttp://www.ingentaconnect.com/content/asp/eef/2015/00000004/00000001/art00005
DOI10.1166/eef.2015.1134
Short Titleenergy environ focus