Ditapis dengan
The role of textural characteristics and oxygen-containing surface groups in …
Abstract It is suggested that the specific capacitanceC0 of activated carbons at lowcurrent densities (d∼1mAcm−2) consists, to a good first approximation, of two contributions. For theH2SO4 electrolyte they correspond to approximately 0.080 Fm−2 from the total accessible surface area and an additional pseudo-capacitance of 63 F mmol−1 from the surface species generating CO in thermally…
- Edisi
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- ISBN/ISSN
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- Deskripsi Fisik
- Electrochimica Acta 52 (2006) 560–566
- Judul Seri
- Electrochimica Acta
- No. Panggil
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Correlation between heats of immersion and limiting capacitances in porous ca…
A B S T R A C T Based on more than 80 carbons, the paper shows that immersion calorimetry into benzene,water and carbon tetrachloride can be used to assess with a good accuracy the limiting capacitance Co at low current densities in both acidic (2 M H2SO4) and aprotic (1 M tetraethyl ammonium tetrafluoroborate in acetonitrile) electrolytic solutions. The enthalpies of immersion DiH(C6H6) and D…
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- ISBN/ISSN
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- Deskripsi Fisik
- C A R B ON 4 6 ( 2 0 0 8 ) 1 0 2 5 –1 0 3 0
- Judul Seri
- C A R B ON
- No. Panggil
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On the specific double-layer capacitance of activated carbons, in relation to…
Abstract Twelve well-characterized activated carbons with average micropore widths between 0.7 and 2 nm, total surface areas of 378–1270m2 g−1 and specific capacitances C up to 320 F g−1 have been investigated, using H2SO4 2M as electrolyte. Some of the carbons have also been oxidized with (NH4)2S2O8, which leads to specific oxygen contents between 0.4 and 7.1molm−2 of carbon surface …
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- ISBN/ISSN
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- Deskripsi Fisik
- Journal of Power Sources 154 (2006) 314–320
- Judul Seri
- Journal of Power Sources
- No. Panggil
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The volumetric capacitance of microporous carbons in organic electrolyte
Abstract. The study of 26 microporous carbons with average pore widths Lo between 0.7 and 1.8 nm shows that the volume-related capacitance Cmi (F cm−3) in the organic electrolyte (C2H5)4NBF4/acetonitrile is an inverse function of the average micropore width Lo. This means that for a given micropore volumeWo, the gravimetric capacitance C (F g−1) is larger for carbons with smaller pores …
- Edisi
- 16 (2012)
- ISBN/ISSN
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- Deskripsi Fisik
- Electrochemistry Communications 16 (2012) 34–36
- Judul Seri
- Electrochemistry Communications
- No. Panggil
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