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Incorporation of homogeneous, nanoscale MnO2 within ultraporous carbon structures via self-limiting electroless deposition: implications for electrochemical capacitors.
MedLine Citation:
PMID:  17297991     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
The self-limiting reaction of aqueous permanganate with carbon nanofoams produces conformal, nanoscopic deposits of birnessite ribbons and amorphous MnO2 throughout the ultraporous carbon structure. The MnO2 coating contributes additional capacitance to the carbon nanofoam while maintaining the favorable high-rate electrochemical performance inherent to the ultraporous carbon structure of the nanofoam. Such a three-dimensional design exploits the benefits of a nanoscopic MnO2-carbon interface to produce an exceptionally high area-normalized capacitance (1.5 F cm-2), as well as high volumetric capacitance (90 F cm-3).
Authors:
Anne E Fischer; Katherine A Pettigrew; Debra R Rolison; Rhonda M Stroud; Jeffrey W Long
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Nano letters     Volume:  7     ISSN:  1530-6984     ISO Abbreviation:  Nano Lett.     Publication Date:  2007 Feb 
Date Detail:
Created Date:  2007-02-14     Completed Date:  2007-04-11     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101088070     Medline TA:  Nano Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  281-6     Citation Subset:  -    
Affiliation:
Surface Chemistry Branch (Code 6170), Naval Research Laboratory, Washington, DC 20375, USA.
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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