Durian shell-derived N, O, P-doped activated porous carbon materials and their electrochemical performance in supercapacitor

Abstract

It is very important to transform biomass-derived waste into useful materials with high performance. In this report, the N, O, P multiple heteroatom-doped activated porous carbon materials with enhanced electrochemical performance are prepared using durian shell-derived hydrochar. The as-prepared activated carbon materials show a characteristic of moderate specific surface area, micropore-dominant pore structure and multiple heteroatoms doping. As electrode in supercapacitor, the as-prepared N, O, P-doped porous carbon material can deliver a specific capacity of 184 F g-1 at a current density of 0.5 A g-1 in 1 M H 2 SO 4 aqueous solution and shows excellent cycle stability with a retention rate of *88% after 10000 cycles. In addition, in the redox electrolyte of H 2 SO 4 and KI aqueous solution, N, O, P co-doped activated porous carbon can provide a capacitance of * 560 F g-1 at 2 A g-1 (corresponding to energy density of 12.4 Wh kg-1 at a power density of 318 W kg-1). This work provides a novel way to enhance the electrochemical performance of the biomass waste-derived carbon, helping to further boosting their application in energy storage field.

Biochar for agronomy, animal farming, anaerobic digestion, composting, water treatment, soil remediation, construction, energy storage, and carbon sequestration: a review

“…Wang et al ( 2020e ) developed biochar materials produced from durian shells and doped with phosphorus, oxygen, and nitrogen atoms. The biochar material exhibited a limited surface area, a pore structure dominated by micropores, and abundant heteroatoms.…”

B, O and N Codoped Biomass-Derived Hierarchical Porous Carbon for High-Performance Electrochemical Energy Storage

“…In order to further improve the electrochemical performance of biomass carbon materials, heteroatom doping is another effective method. At present, a lot of heteroatom-rich biomass has been selected as precursors of porous carbon, such as flour [ 18 ], wheat bran [ 19 ], durian shell [ 20 ] and bean shell [ 21 ]. As a cost-effective and sustainable biomass, laver grows in the sea, which is rich in heteroatoms (N, O, S, Cl) that can be prepared to heteroatom-self-doping porous carbon.…”

Honeycomb-like Hierarchical Porous Activated Carbons from Biomass Waste with Ultrahigh Specific Surface Area for High-Rate Electrochemical Capacitors

“…For EDLCs, porous carbons, for example, activated carbon (AC) are extensively utilized as electrode materials by reason of their high SSA, adequate electrical conductivity, and high stability in electrochemistry. − Thus, numerous research groups have developed several carbon-based materials, for example, porous carbons (AC), carbon nanofibers, carbon nanotubes, graphene, and have demonstrated high performance in EDLCs. − Nevertheless, a facile route to effectively produce porous carbons for fast charge–discharge performance in EDLC with a low cost of mass fabrication still remains the main challenge. Recently, porous carbons converted from discarded biomass have displayed a promising way to create highly effective carbon electrode materials used in EDLCs with massive production and cost efficiency. − ,− …”