Journal
JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY
Volume 7, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4913965
Keywords
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Funding
- Science and Technology Innovation Program of China FAW Co., Ltd. [1449 J]
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The technology development of supercapacitor is in the progress to meet the strong demands for increasing specific energy and reducing cost. We present a hybrid supercapacitor that integrated rice husk based activated carbon (RHC) with LiMn2O4. The electrochemical investigations revealed that the specific energy of the hybrid supercapacitor (LiMn2O4/RHC) has reached up to 29.5W h kg(-1), and the energy retention is 81.2% over 10 000 cycles at 0.3 A.g(-1) charge/discharge current. The excellent double layer electrical storage of the RHC is mainly attributed to its high specific surface area of 2516 m(2) g(-1) and the average pore diameter of 3.02 nm. (C) 2015 AIP Publishing LLC.
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