Journal
CHEMELECTROCHEM
Volume 4, Issue 1, Pages 46-48Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/celc.201600474
Keywords
activated carbon; low temperature; p-phenylenediamine; redox electrolyte; supercapacitors
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Funding
- Shandong Provincial Natural Science Foundation [ZR2015BL017]
- Scientific Research Foundation for Advanced Scholars of Qingdao Agricultural University [631015]
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The capacitive behavior of AC-AC supercapacitor (AC=activated carbon) at -18 degrees C are greatly improved by using an acid redox electrolyte comprising p-phenylenediamine. By introducing p-phenylenediamine into 38% H2SO4 solution, the energy density at -18 degrees C is remarkably elevated to the level achievable at 23 degrees C in 38% H2SO4.
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