Ditapis dengan
Long-term cycling of carbon-based supercapacitors in aqueous media
a b s t r a c t The behaviour of mesophase-derived electrodes on long-duration cycling conditions was studied in 1M sulfuric acid and 6M potassium hydroxide. Variation in the specific capacitance values with the number of cycles shows a good cycling life performance in acidic media but very poor in an alkaline electrolyte. The total loss of capacitance after 7000 cycles in acidic media is 8…
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- ISBN/ISSN
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- Deskripsi Fisik
- Electrochimica Acta 54 (2009) 4481–4486
- Judul Seri
- Electrochimica Acta
- No. Panggil
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An activated carbon monolith as an electrode material for supercapacitors
Abstract. Activated carbon binderless monoliths with high consistency and large porosity, synthesised from a mesophase pitch, are studied as electrodes for supercapacitors. The electrochemical cells prepared provided high capacitance values in sulphuric acid media (334 F g-1) and very low electrical resistivity, which results in a very efficient energy storage device (12 Wh Kg-1 maximum ener…
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- ISBN/ISSN
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- Deskripsi Fisik
- C A R B O N 4 7 ( 2 0 0 9 ) 1 9 5 –2 0 0
- Judul Seri
- C A R B O N
- No. Panggil
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