A new benchmark capacitance for supercapacitor anodes by mixed-valence sulfur-doped V6O(13-x).
basic_science · Level V
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- Record sourced from PubMed, PMID 25080307.
- Also identified by DOI 10.1002/adma.201402041.
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Abstract
A new pseudocapacitor anode, sulfur-doped V6O(13-x), is reported. It achieves a benchmark capacitance of 1353 F/g (0.72 F/cm(2)) at a current density of 1.9 A/g (1 mA/cm(2)) in 5 M LiCl solution. The charges are stored chemically in the electrode via reversible redox reactions that involve multiple oxidation states of vanadium (V(3+), V(4+) and V(5+)).