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A new cheap asymmetric aqueous supercapacitor: Activated carbon//NaMnO2

✍ Scribed by Q.T. Qu; Y. Shi; S. Tian; Y.H. Chen; Y.P. Wu; R. Holze

Book ID
104025732
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
649 KB
Volume
194
Category
Article
ISSN
0378-7753

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A cheap asymmetric supercapacitor with high energy at high power: Activated carbon//K0.27MnO2Β·0.6H2O
✍ Qunting Qu; Lei Li; Shu Tian; Wenling Guo; Yuping Wu; Rudolf Holze πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 749 KB

Studies of the electrochemical behavior of K0.27MnO2Β·0.6H2O in K2SO4 show the reversible intercalation/deintercalation of K+-ions in the lattice. An asymmetric supercapacitor activated carbon (AC)/0.5mollβˆ’1 K2SO4/K0.27MnO2Β·0.6H2O was assembled and tested successfully. It shows an energy density of 2