Coprinus comatus-derived nitrogen-containing biocarbon electrocatalyst with the addition of self-generating graphene-like support for superior oxygen reduction reaction

Heavily Graphitic-Nitrogen Self-doped High-porosity Carbon for the Electrocatalysis of Oxygen Reduction Reaction

“…It indicates that the nitrogen loss can be decreased owing to the activation of ZnCl 2 and two-step carbonization process [ 6 ]. The N1 s XPS spectra of KB-900 and KB-Z-900 can be fitted to three peaks (see Additional file 1 : Figure S2), which can be ascribed to pyridinic-N, graphitic-N and oxidized-N [ 6 – 8 , 12 , 13 ], respectively. However, the N1 s XPS spectrum of KB350Z-900 can be fitted into only two peaks (see Additional file 1 : Figure S2), centered at 398.5 and 401.1 eV, which can be assigned to pyridinic-N and graphitic-N, respectively.…”

“…As previously reported, protein-enriched biomass (e.g., nori [ 9 ], sweet potato vine [ 10 ], pomelo peel [ 11 ], enoki mushroom [ 12 ], coprinus comatus [ 13 ], and Lemna minor [ 14 ]) can be widely used a single-source precursor for HDPC catalyst towards the ORR. We recently propose some strategy to form the HDPC catalyst with porous 3D-network structure via high-temperature carbonization of fish-scale biowaste with an activator of zinc chloride [ 6 ].…”

Noble‐free oxygen reduction reaction catalyst supported on Sengon wood ( Paraserianthes falcataria L. ) derived reduced graphene oxide for fuel cell application

“…The mixture was dispersed in an ultrasonic sonicator for 1 hour to obtain a homogeneous mixture. Next, 10 μL of catalyst was deposited on a rotating‐ring disk electrode (RRDE) from Pine Instrument, Inc. and left overnight for drying prior to testing . Cyclic voltammetry (CV) was performed with a negative scan through a potential window from −0.9 to 0.1 V vs Ag/AgCl (3 M, Metrohm) using a three‐electrode system (half‐cell reaction) in which a 5‐mm‐diameter glassy carbon electrode (Pine Research Instrument Inc.), Ag/AgCl electrode, and platinum wire served as the working, reference, and counter electrodes, respectively.…”

“…Next, 10 μL of catalyst was deposited on a rotating-ring disk electrode (RRDE) from Pine Instrument, Inc. and left overnight for drying prior to testing. 23 Levich plots were produced using Equation (1). 24 1…”

Fine decoration of carbon nanotubes with metal organic frameworks for enhanced performance in supercapacitance and oxygen reduction reaction

“…Carbon electrodes have multi-functional electrochemical applications, owing to their low cost, controlled pore structure, and desirable electric conductivity [9][10][11][12][13]. Furthermore, heteroatom-doped carbons have improved wettability and electric conductivity properties, therefore leading to enhanced catalytic activities [14][15][16][17].…”