Black Liquor and Wood Char-Derived Nitrogen-Doped Carbon Materials for Supercapacitors
Herein, we present a synthesis route for high-efficiency nitrogen-doped carbon materials using kraft pulping residue, black liquor, and wood charcoal as carbon sources. The synthesized nitrogen-doped carbon materials, based on black liquor and its mixture with wood charcoal, exhibited high specific...
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creator | Tamasauskaite-Tamasiunaite, Loreta Jablonskienė, Jolita Šimkūnaitė, Dijana Volperts, Aleksandrs Plavniece, Ance Dobele, Galina Zhurinsh, Aivars Jasulaitiene, Vitalija Niaura, Gediminas Drabavicius, Audrius Juel, Mari Rausseo, Luis César Colmenares Kruusenberg, Ivar Kaare, Kätlin Norkus, Eugenijus |
description | Herein, we present a synthesis route for high-efficiency nitrogen-doped carbon materials using kraft pulping residue, black liquor, and wood charcoal as carbon sources. The synthesized nitrogen-doped carbon materials, based on black liquor and its mixture with wood charcoal, exhibited high specific surface areas (SSAs) of 2481 and 2690 m2 g−1, respectively, as well as a high volume of mesopores with an average size of 2.9–4.6 nm. The nitrogen content was approximately 3–4 at% in the synthesized nitrogen-doped carbon materials. A specific capacitance of approximately 81–142 F g−1 was achieved in a 1 M Na2SO4 aqueous solution at a current density of 0.2 A g−1. In addition, the specific capacitance retention was 99% after 1000 cycles, indicating good electrochemical stability. |
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title | Black Liquor and Wood Char-Derived Nitrogen-Doped Carbon Materials for Supercapacitors |
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