Journal
ADVANCED MATERIALS
Volume 18, Issue 14, Pages 1877-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200501905
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An oxygen-rich carbon for supercapacitors has been obtained by one-step carbonization of a natural biopolymer from seaweeds, e.g., sodium alginate. Although the specific surface area of this carbon is very low, it gives a capacitance comparable to the best activated carbons available. Due to its low porosity (see figure), this material has high density and good electrical conductivity, also advantageous for supercapacitor applications.
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