期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 159, 期 3, 页码 A315-A320出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.089203jes
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资金
- EPSRC as part of the Supergen Energy Storage Consortium [EP/H019596/1]
- EPSRC [EP/H019596/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/H019596/1] Funding Source: researchfish
Here we demonstrate the use of polymer derived activated carbons as the potential electrode material for Li/O-2 batteries. The activated carbons were synthesized by sol-gel polycondensation of low cost phenol and formaldehyde followed by carbonization at 1050 degrees C in an inert atmosphere and activation under CO2 to different degrees of burn off. Galvanostatic charge/discharge measurements performed on the activated carbon based electrodes show that discharge capacity increases with mesopore volume, with the highest discharge capacity of 1852 mAh/g obtained for the carbon having the highest mesopore volume of 1.8717 cm(3)/g. Galvanostatic rate capability tests show that discharge capacity of the cell decreases with increasing discharge rates significantly. (C) 2012 The Electrochemical Society. [DOI: 10.1149/2.089203jes] All rights reserved.
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