scholarly journals Thermally reduced mesoporous manganese MOF @reduced graphene oxide nanocomposite as bifunctional electrocatalyst for oxygen reduction and evolution

RSC Advances ◽  
2020 ◽  
Vol 10 (46) ◽  
pp. 27728-27742 ◽  
Author(s):  
Abdul Wahab ◽  
Naseem Iqbal ◽  
Tayyaba Noor ◽  
Sheeraz Ashraf ◽  
Muhammad Arslan Raza ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Renewable Energy ◽  
Fuel Cells ◽  
Oxygen Reduction ◽  
Reduced Graphene Oxide ◽  
Crucial Role ◽  
Bifunctional Electrocatalyst ◽  
Renewable Energy Technologies ◽  
Energy Technologies ◽  
Reduced Graphene

Oxygen electrocatalysis plays a crucial role in harnessing energy from modern renewable energy technologies like fuel cells and metal–air batteries.

Nitrogen/sulfur dual-doped reduced graphene oxide supported CuFeS2 as an efficient electrocatalyst for the oxygen reduction reaction

2018 ◽  
Vol 42 (3) ◽  
pp. 2081-2088 ◽  
Author(s):  
Man Zhang ◽  
Wei Hong ◽  
Ruinan Xue ◽  
Lingzhi Li ◽  
Guanbo Huang ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Fuel Cells ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduced Graphene Oxide ◽  
Low Cost ◽  
Reduction Reaction ◽  
Reduced Graphene

At present, low-cost and efficient electrocatalysts for accelerating the oxygen reduction reaction in fuel cells are highly desired.

Co-N doped reduced graphene oxide as oxygen reduction electrocatalyst applied to Photocatalytic Fuel Cells

2018 ◽  
Vol 315 ◽  
pp. 31-35 ◽  
Author(s):  
Dimitrios Raptis ◽  
Alexandros Ploumistos ◽  
Eirini Zagoraiou ◽  
Eleni Thomou ◽  
Maria Daletou ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Fuel Cells ◽  
Oxygen Reduction ◽  
Reduced Graphene Oxide ◽  
Reduced Graphene

MnFe2O4@nitrogen-doped reduced graphene oxide nanohybrid: an efficient bifunctional electrocatalyst for anodic hydrazine oxidation and cathodic oxygen reduction

2017 ◽  
Vol 7 (24) ◽  
pp. 5920-5931 ◽  
Author(s):  
Santimoy Khilari ◽  
Debabrata Pradhan
Keyword(s):  
Graphene Oxide ◽  
Oxygen Reduction ◽  
Reduced Graphene Oxide ◽  
Single Step ◽  
Bifunctional Electrocatalyst ◽  
Nitrogen Doped ◽  
Hydrazine Oxidation ◽  
Reduced Graphene

A bifunctional MnFe2O4/N-rGO composite synthesized hydrothermally in a single step is demonstrated for hydrazine oxidation and oxygen reduction.

Reduced graphene oxide intercalated Co2C or Co4N nanoparticles as an efficient and durable fuel cell catalyst for oxygen reduction

2017 ◽  
Vol 5 (6) ◽  
pp. 2972-2980 ◽  
Author(s):  
Mayilvel Dinesh Meganathan ◽  
Shun Mao ◽  
Taizhong Huang ◽  
Guoxin Sun
Keyword(s):  
Graphene Oxide ◽  
Fuel Cells ◽  
Fuel Cell ◽  
Oxygen Reduction ◽  
Reduced Graphene Oxide ◽  
Alkaline Fuel Cells ◽  
Fuel Cell Catalyst ◽  
Reduced Graphene

Co2C or Co4N nanoparticles embedded on reduced graphene oxide are efficient and durable catalysts for oxygen reduction in alkaline fuel cells.

Nitrogen-doped reduced-graphene oxide as an efficient metal-free electrocatalyst for oxygen reduction in fuel cells

RSC Advances ◽  
2013 ◽  
Vol 3 (12) ◽  
pp. 3990 ◽  
Author(s):  
Zhen-Jiang Lu ◽  
Shu-Juan Bao ◽  
Yu-Ting Gou ◽  
Chang-Jun Cai ◽  
Chen-Chen Ji ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Fuel Cells ◽  
Oxygen Reduction ◽  
Reduced Graphene Oxide ◽  
Nitrogen Doped ◽  
Metal Free ◽  
Reduced Graphene

scholarly journals Synthesis and Characterizations of Zinc Oxide on Reduced Graphene Oxide for High Performance Electrocatalytic Reduction of Oxygen

Molecules ◽  
2018 ◽  
Vol 23 (12) ◽  
pp. 3227 ◽  
Author(s):  
Jiemei Yu ◽  
Taizhong Huang ◽  
Zhankun Jiang ◽  
Min Sun ◽  
Chengchun Tang
Keyword(s):  
Electron Microscopy ◽  
Graphene Oxide ◽  
Fuel Cells ◽  
Oxygen Reduction ◽  
Reduced Graphene Oxide ◽  
Cyclic Voltammograms ◽  
High Electron ◽  
Disk Electrode ◽  
Zno Nps ◽  
Reduced Graphene

Electrocatalysts for the oxygen reduction (ORR) reaction play an important role in renewable energy technologies, including fuel cells and metal-air batteries. However, development of cost effective catalyst with high activity remains a great challenge. In this feature article, a hybrid material combining ZnO nanoparticles (NPs) with reduced graphene oxide (rGO) is applied as an efficient oxygen reduction electrocatalyst. It is fabricated through a facile one-step hydrothermal method, in which the formation of ZnO NPs and the reduction of graphene oxide are accomplished simultaneously. Transmission electron microscopy and scanning electron microscopy profiles reveal the uniform distribution of ZnO NPs on rGO sheets. Cyclic voltammograms, rotating disk electrode and rotating ring disk electrode measurements demonstrate that the hierarchical ZnO/rGO hybrid nanomaterial exhibits excellent electrocatalytic activity for ORR in alkaline medium, due to the high cathodic current density (9.21 × 10−5 mA/cm2), positive onset potential (−0.22 V), low H2O2 yield (less than 3%), and high electron transfer numbers (4e from O2 to H2O). The proposed catalyst is also compared with commercial Pt/C catalyst, comparable catalytic performance and better stability are obtained. It is expected that the ZnO/rGO hybrid could be used as promising non-precious metal cathode in alkaline fuel cells.

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