Rapid synthesis of hollow PtPdCu trimetallic octahedrons at room temperature for oxygen reduction reactions in acid media

CrystEngComm ◽  
2020 ◽  
Vol 22 (9) ◽  
pp. 1586-1592 ◽  
Author(s):  
Ruopeng Zhao ◽  
Zhijing Chen ◽  
Shaoming Huang
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Room Temperature ◽  
Reduction Reaction ◽  
Rapid Synthesis ◽  
Acid Media ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions ◽  
Mild Conditions ◽  
Enhanced Activity

Hollow PtPdCu trimetallic octahedrons were prepared under mild conditions, exhibiting enhanced activity toward the oxygen reduction reaction in acid media.

Heteroatom-Doped Nanomaterials/Core–Shell Nanostructures Based Electrocatalysts for Oxygen Reduction Reaction

2021 ◽  
Author(s):  
Saravanan Nagappan ◽  
Malarkodi Duraivel ◽  
Shamim Ahmed Hira ◽  
Kandasamy Prabakar ◽  
Chang-Sik Ha ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Environmental Conditions ◽  
Reduction Reaction ◽  
Core Shell ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions ◽  
Shell Nanostructures ◽  
Doped Nanomaterials

Recently, heteroatom doped core–shell nanostructures (HCSNs) have been widely used as superior electrocatalysts for oxygen reduction reactions (ORRs) owing to their enhanced ORR performance and stability under harsh environmental conditions....

Two-dimensional MoS2/Fe-phthalocyanine hybrid nanostructures as excellent electrocatalysts for hydrogen evolution and oxygen reduction reactions

Nanoscale ◽  
2019 ◽  
Vol 11 (30) ◽  
pp. 14266-14275 ◽  
Author(s):  
Ik Seon Kwon ◽  
In Hye Kwak ◽  
Ju Yeon Kim ◽  
Hafiz Ghulam Abbas ◽  
Tekalign Terfa Debela ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Reduction Reaction ◽  
Hybrid Nanostructures ◽  
Two Dimensional ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions

2D hybrid nanostructures consisting of 1T′ phase MoS2 and Fe-phthalocyanine molecules exhibit excellent catalytic activity toward both the hydrogen evolution reaction and oxygen reduction reaction.

N,P-Doped carbon with encapsulated Co nanoparticles as efficient electrocatalysts for oxygen reduction reactions

2019 ◽  
Vol 48 (7) ◽  
pp. 2352-2358 ◽  
Author(s):  
Lili Fan ◽  
Xinxin Du ◽  
Yuming Zhang ◽  
Mengfei Li ◽  
Meilian Wen ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions ◽  
Co Nanoparticles

N,P-doped carbon with encapsulated Co nanoparticles is fabricated from a Co-MOF and triphenylphosphine mixture as an efficient electrocatalyst for oxygen reduction reaction.

scholarly journals First-principles study of the initial oxygen reduction reaction on stoichiometric and reduced CeO2 (111) surfaces as a cathode catalyst for lithium–oxygen batteries

2017 ◽  
Vol 5 (7) ◽  
pp. 3320-3329 ◽  
Author(s):  
Xinyu Li ◽  
Zongbao Li ◽  
Xiaofeng Yang ◽  
Lichao Jia ◽  
Yong Qing Fu ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
First Principles ◽  
Reduction Reaction ◽  
Cathode Catalyst ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions ◽  
First Principles Study ◽  
Initial Oxygen ◽  
Lithium Oxygen Batteries

The initial oxygen reduction reactions on stoichiometric and reduced CeO2 (111) surfaces as a cathode catalyst for lithium-oxygen batteries have been investigated by a first-principles method.

Probing structure-designed Cu–Pd nanospheres and their Pt-monolayer-shell derivatives as high-performance electrocatalysts for alkaline and acidic oxygen reduction reactions

2020 ◽  
Vol 8 (42) ◽  
pp. 22389-22400
Author(s):  
Liuxuan Luo ◽  
Cehuang Fu ◽  
Shuiyun Shen ◽  
Fengjuan Zhu ◽  
Junliang Zhang
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
High Performance ◽  
Reduction Reaction ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions ◽  
Highly Efficient

Composition-graded Cu–Pd nanospheres are annealed for highly efficient alkaline oxygen reduction reaction, and further coated with Pt monolayer shells for high-performance acidic oxygen reduction reaction.

Synthesis of self-assembled PtPdAg nanostructures with a high catalytic activity for oxygen reduction reactions

Nanoscale ◽  
2018 ◽  
Vol 10 (36) ◽  
pp. 17140-17147 ◽  
Author(s):  
Muhammad Aizaz Ud Din ◽  
Faisal Saleem ◽  
Muhammad Zulfiqar ◽  
Xun Wang
Keyword(s):  
Catalytic Activity ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
High Catalytic Activity ◽  
Excellent Performance ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions ◽  
Mass Activity ◽  
Self Assembled

Oxygen reduction reaction-favoring PtPdAg hollow nanoparticle, nanodimer and nanowire catalysts are synthesized, all of which have been demonstrated to be promoting factors for the ORR. PtPdAg/C nanodimers exhibit excellent performance for the ORR with the highest mass activity.

Graphene-supported non-precious metal electrocatalysts for oxygen reduction reactions: the active center and catalytic mechanism

2016 ◽  
Vol 4 (19) ◽  
pp. 7148-7154 ◽  
Author(s):  
Baosheng Li ◽  
Lili Zhang ◽  
Luwei Chen ◽  
Xiaoyi Cai ◽  
Linfei Lai ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Active Center ◽  
Precious Metal ◽  
Catalytic Mechanism ◽  
Reduction Reaction ◽  
Metal Nitrides ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions ◽  
Pyridinic N

Metal nitrides (FeCoN) surrounded by pyridinic N were identified as the active center for the oxygen reduction reaction.

Design of an active and durable catalyst for oxygen reduction reactions using encapsulated Cu with N-doped carbon shells (Cu@N-C) activated by CO2 treatment

2015 ◽  
Vol 3 (44) ◽  
pp. 22031-22034 ◽  
Author(s):  
Seung Hyo Noh ◽  
Min Ho Seo ◽  
Xiao Ye ◽  
Yuki Makinose ◽  
Takeyoshi Okajima ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions ◽  
Co2 Treatment

Cu@N-C with the Cu particles encapsulated in N-doped carbon shells, which was activated by CO2 treatment, is an excellent electrocatalyst for the oxygen reduction reaction.

Electrochemical and spectroscopic characterization of a dicobalt macrocyclic Pacman complex in the catalysis of the oxygen reduction reaction in acid media

2013 ◽  
Vol 17 (04) ◽  
pp. 252-258 ◽  
Author(s):  
Qinggang He ◽  
Xiao Cheng ◽  
Ying Wang ◽  
Ruimin Qiao ◽  
Wanli Yang ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reaction Pathway ◽  
Spectroscopic Characterization ◽  
Reduction Reaction ◽  
Acid Media ◽  
Crystal Fields ◽  
Mononuclear Cobalt ◽  
X Ray Absorption

The dicobalt complex [ Co2(L2) ] of a Schiff-base pyrrole macrocycle adopts a Pacman structure in solution and the solid state and shows much greater catalytic activity and selectivity for the four-electron oxygen reduction reaction (ORR) than the mononuclear cobalt phthalocyanine (CoPc) counterpart. Soft X-ray absorption spectroscopy (XAS) shows that the Co center in Co2(L2) is of the same valence as mononuclear CoPc . However, the former complex shows higher unoccupied Co 3d density which is believed to be beneficial for electron transfers. Furthermore, the XAS data suggests that the crystal fields for Co2(L2) and CoPc are different, and that an interaction remains between two Co atoms in Co2(L2) . DFT calculations imply that the sterically hindered, cofacial structure of the dicobalt complex is critical for the operation of the four-electron reaction pathway during the ORR.

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