Novel collagen waste derived Mn-doped nitrogen-containing carbon for supercapacitors. (20th September 2018)

• Record Type: Journal Article
• Authors: Lei, Jia; Zhou, Jian; Li, Jiwei; Wen, Jianwu; Su, Lin; Duan, Tao; Zhu, Wenkun
• Is Part Of: Electrochimica acta. Volume 285(2018)
• Page Start: 292
• Page End: 300
• Publication Date: 2018-09-20
• Subjects: Collagen waste -- Collagen fiber -- Bayberry tannin -- Mn doping -- Supercapacitors; Electrochemistry -- Periodicals; Electrochemistry, Industrial -- Periodicals; 541.37
• DOI: 10.1016/j.electacta.2018.07.174
• Languages: English
• ISSNs: 0013-4686

Abstract

Abstract: Heteroatom doped carbon originated from natural and renewable biomass has recently attracted tremendous attention related to electrode material of supercapacitors. Herein, we reported a practical and facile strategy to synthesize Mn-doped N-containing carbon materials based on collagen waste obtained from leather processing for supercapacitors, and this method was applicable to most metals. Mn-doped N-containing carbon was fabricated primarily by chelating metal ions with bayberry tannin immobilized collagen fiber, followed by a carbonization treatment. The as-prepared Mn-doped N-containing carbon material exhibited a high specific capacitance (272.62 F g −1 at the current density of 1.0 A g −1 ), high rate capability (72.21% capacitance retention with increasing current density from 1 to 20 A g −1 ), and after 6000 cycles remained 81.4%. Especially, it showed favorable thermal stability under extreme conditions (264.9 F g −1 and 262.65 F g −1 at 60 °C and 0 °C water bath under the current density of 1 A g −1, respectively). The results indicated that Mn-doped N-containing carbon was a practically potential electrode material for supercapacitors. Highlights: A novel metal ion chelation strategy was used to prepare heteroatom-doped carbon materials. Mn-doped N-containing carbon material was fabricated based on collagen waste obtained from leather processing. Mn/N-C-800 exhibited a high specific capacitance of 272.62 F g −1 . Mn/N-C-800 showed favorable stability under extreme temperature. This kind of Mn/N-C-x represented an alternative promising candidate for an efficient electrode material for supercapacitors.