Facile Synthesis of Highly Conductive Platinum Nanofiber Mats as Conducting Core for High Rate Redox Supercapacitor

Title
Facile Synthesis of Highly Conductive Platinum Nanofiber Mats as Conducting Core for High Rate Redox Supercapacitor
Authors
최승훈현태선이혜진장성연오성근김일두
Keywords
Platinum Nanofiber; Supercapacitor; Conducting Core
Issue Date
2010-06
Publisher
Electrochemical and solid-state letters
Citation
VOL 13, NO 6, A65-A68
Abstract
We report the fabrication and characterization of conductive Pt fiber mats as the conducting core of a high rate redox supercapacitor. Electrospun Pt fiber mats calcined at 350°C exhibited a high electrical conductivity of 412 S cm−1 as well as highly porous morphologies composed of 10 nm crystalline Pt nanoparticles. The Pt fiber mats served as the conducting core for electrochemically deposited hydrous RuO2 overlayers. The hybrid electrode utilizing hydrous RuO2-coated Pt fiber mats showed a high specific capacitance of ~409.4 F g−1 and high rate capability with a capacity loss of only 21.4% from 10 to 1000 mV s−1.
URI
http://pubs.kist.re.kr/handle/201004/37258
ISSN
1099-0062
Appears in Collections:
KIST Publication > Article
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