<P>A novel design for an anodic WO<SUB>3</SUB> mesosponge @ carbon has been introduced as a highly stable and long cyclic life Li-ion battery electrode. The nanocomposite was successfully synthesized via single-step electrochemical a...
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https://www.riss.kr/link?id=A107478715
2015
-
mesosponge ; WO3 ; carbon-coating ; anodization ; battery
SCOPUS,SCIE
학술저널
7635-7643(9쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>A novel design for an anodic WO<SUB>3</SUB> mesosponge @ carbon has been introduced as a highly stable and long cyclic life Li-ion battery electrode. The nanocomposite was successfully synthesized via single-step electrochemical a...
<P>A novel design for an anodic WO<SUB>3</SUB> mesosponge @ carbon has been introduced as a highly stable and long cyclic life Li-ion battery electrode. The nanocomposite was successfully synthesized via single-step electrochemical anodization and subsequent heat treatment in an acetylene and argon gas environment. Morphological and compositional characterization of the resultant materials revealed that the composite consisted of a three-dimensional interconnected network of WO<SUB>3</SUB> mesosponge layers conformally coated with a 5 nm thick carbon layer and grown directly on top of tungsten metal. The results demonstrated that the carbon-coated mesosponge WO<SUB>3</SUB> layers exhibit a capacity retention of 87% after completion of 100 charge/discharge cycles, which is significantly higher than the values of 25% for the crystalline (without carbon coating) or 40% for the as-prepared mesosponge WO<SUB>3</SUB> layers. The improved electrochemical response was attributed to the higher stability and enhanced electrical conductivity offered by the carbon coating layer.</P><P><B>Graphic Abstract</B>
<IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/aamick/2015/aamick.2015.7.issue-14/acsami.5b00341/production/images/medium/am-2015-00341b_0008.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/am5b00341'>ACS Electronic Supporting Info</A></P>
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