Segmentation and Re-encapsulation of Porous PtCu Nanoparticles by Generated Carbon Shell for Enhanced Ethylene Glycol Oxidation and Oxygen-Reduction Reaction

2020 ◽  
Vol 12 (5) ◽  
pp. 6298-6308
Author(s):  
Juanjuan Gao ◽  
Mengxi Mao ◽  
Peiwen Li ◽  
Rumeng Liu ◽  
Haiou Song ◽  
...  
Keyword(s):  
Ethylene Glycol ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
Carbon Shell ◽  
Ethylene Glycol Oxidation

Promoting interfacial charge transfer by B/N co-doping enable efficient ORR catalysis of carbon encapsulated Fe2N

2022 ◽  
Author(s):  
Zhi Xie ◽  
Qiaoling Li ◽  
Xingkai Peng ◽  
Xuewei Wang ◽  
Lingli Guo ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Porous Carbon ◽  
High Efficiency ◽  
Reduction Reaction ◽  
Carbon Shell ◽  
Co Doping ◽  
Interfacial Charge ◽  
Electrochemical Catalysts

High efficiency and durability are two key targets for developing electrochemical catalysts for oxygen reduction reaction (ORR). Here, B/N co-doping porous carbon shell encapsulated Fe2N nanoparticles (NPs) was synthesized as...

scholarly journals Electrocatalytic activity of AuCeO2/C towards ethylene glycol oxidation and oxygen reduction reactions

Chemija ◽  
2020 ◽  
Vol 31 (2) ◽  
Author(s):  
Virginija Kepenienė ◽  
Raminta Stagniūnaitė ◽  
Daina Upskuvienė ◽  
Loreta Tamašauskaitė-Tamašiūnaitė ◽  
Vidas Pakštas ◽  
...  
Keyword(s):  
Ethylene Glycol ◽  
Oxygen Reduction ◽  
Electrocatalytic Activity ◽  
Reduction Reaction ◽  
Diffusion Region ◽  
Oxygen Reduction Reactions ◽  
Density Values ◽  
Ca 50 ◽  
Ethylene Glycol Oxidation ◽  
Kinetic Diffusion

AuCeO2/C and Au/C catalysts were obtained by adsorption of AuNPs on the CeO2/C and pure carbon (C) substrates from an Au colloidal solution. It has been found that AuNPs of ca. 50 nm in size were adsorbed on the surfaces of CeO2/C and C; however, electrocatalytic activity of the investigated AuCeO2/C and Au/C catalysts was different. Ethylene glycol oxidation current density values are ca. 3 times higher on the AuCeO2/C catalyst as compared to those of the bare Au/C catalyst. Moreover, the AuCeO2/C catalyst showed more positive onset potentials, as well as higher current in the mixed-kinetic-diffusion region towards the oxygen reduction reaction in an alkaline medium compared to that of the Au/C catalyst.

Electrocatalytic activity of electrochemically dealloyed PdCu3 intermetallic compound towards oxygen reduction reaction in acidic media

2018 ◽  
Vol 6 (30) ◽  
pp. 14828-14837 ◽  
Author(s):  
Takao Gunji ◽  
Seung Hyo Noh ◽  
Fuma Ando ◽  
Toyokazu Tanabe ◽  
Byungchan Han ◽  
...  
Keyword(s):  
Intermetallic Compound ◽  
Carbon Black ◽  
Ethylene Glycol ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Electrocatalytic Activity ◽  
Reduction Reaction ◽  
Acidic Media ◽  
Annealing Procedure ◽  
Co Reduction

A structurally ordered phase of PdCu3 nanoparticles (NPs)/carbon black (CB), in which PdCu3 has a Cu3Au-type structure, was prepared by co-reduction of Pd and Cu precursors using ethylene glycol as a reducing agent and an annealing procedure.

Effect of different solvent ratio (ethylene glycol/water) on the preparation of Pt/C catalyst and its activity toward oxygen reduction reaction

RSC Advances ◽  
2015 ◽  
Vol 5 (70) ◽  
pp. 56570-56577 ◽  
Author(s):  
Yan-Jie Wang ◽  
Nana Zhao ◽  
Baizeng Fang ◽  
Hui Li ◽  
Xiaotao T. Bi ◽  
...  
Keyword(s):  
Particle Size ◽  
Ethylene Glycol ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Volume Ratio ◽  
Reduction Reaction ◽  
Solvent Ratio

Particle size and distribution of 50 wt% Pt/C can be determined by the volume ratio of EG/H2O in the synthesis.

Silicon carbide-supported iron nanoparticles encapsulated in nitrogen-doped carbon for oxygen reduction reaction

2016 ◽  
Vol 6 (9) ◽  
pp. 2949-2954 ◽  
Author(s):  
Jiayuan Li ◽  
Jing Wang ◽  
Dunfeng Gao ◽  
Xingyun Li ◽  
Shu Miao ◽  
...  
Keyword(s):  
Silicon Carbide ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Alkaline Medium ◽  
Iron Nanoparticles ◽  
Reduction Reaction ◽  
Carbon Shell ◽  
Nitrogen Doped ◽  
Nitrogen Doped Carbon ◽  
Supported Iron

Iron nanoparticles encapsulated in nitrogen-doped carbon (Fe@N–C) supported on a SiC core with a derived nitrogen-doped carbon shell (SiC@N–C) show much higher activity for oxygen reduction reaction than SiC, SiC@N–C and SiC-supported Fe3Si in alkaline medium.

Cobalt Sulfide Nanowires Core Encapsulated by a N, S Codoped Graphitic Carbon Shell for Efficient Oxygen Reduction Reaction

Small ◽  
2018 ◽  
Vol 14 (17) ◽  
pp. 1703642 ◽  
Author(s):  
Ce Han ◽  
Qun Li ◽  
Dewen Wang ◽  
Qingqing Lu ◽  
Zhicai Xing ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
Graphitic Carbon ◽  
Carbon Shell ◽  
Cobalt Sulfide
Sign in / Sign up

Export Citation Format

Share Document