Preparation of capacitor's electrode from sunflower seed shell

Li, Xiao, Xing, Wei, Zhuo, Shuping, Zhou, Jin, Li, Feng, Qiao, Shi-Zhang and Lu, Gao-Qing (2011) Preparation of capacitor's electrode from sunflower seed shell. Bioresource Technology, 102 2: 1118-1123. doi:10.1016/j.biortech.2010.08.110


Author Li, Xiao
Xing, Wei
Zhuo, Shuping
Zhou, Jin
Li, Feng
Qiao, Shi-Zhang
Lu, Gao-Qing
Title Preparation of capacitor's electrode from sunflower seed shell
Journal name Bioresource Technology   Check publisher's open access policy
ISSN 0960-8524
1873-2976
Publication date 2011-01
Year available 2010
Sub-type Article (original research)
DOI 10.1016/j.biortech.2010.08.110
Volume 102
Issue 2
Start page 1118
End page 1123
Total pages 6
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Collection year 2012
Language eng
Formatted abstract
Series of nanoporous carbons are prepared from sunflower seed shell (SSS) by two different strategies and used as electrode material for electrochemical double-layer capacitor (EDLC). The surface area and porestructure of the nanoporous carbons are characterized intensively using N2 adsorption technique. The results show that the pore-structure of the carbons is closely related to activation temperature and dosage of KOH. Electrochemical measurements show that the carbons made by impregnation-activation process have better capacitive behavior and higher capacitance retention ratio at high drain current than the carbons made by carbonization-activation process, which is due to that there are abundant macroscopic pores and less interior micropore surface in the texture of the former. More importantly, the capacitive performances of these carbons are much better than ordered mesoporous carbons and commercial woodbased active carbon, thus highlighting the success of preparing high performance electrode material for EDLC from SSS.
Keyword Electrochemical double-layer capacitor
Porous carbon
Energy storage
Power density
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online 17 September 2010

 
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