A facile and surfactant-free route for nanomanufacturing of tailored ternary nanoalloys as superior oxygen reduction reaction electrocatalysts

2017 ◽  
Vol 7 (10) ◽  
pp. 2074-2086 ◽  
Author(s):  
Sheng Hu ◽  
Kangming Cheng ◽  
Erick L. Ribeiro ◽  
Kiman Park ◽  
Bamin Khomami ◽  
...  
Keyword(s):  
Laser Ablation ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
Galvanic Replacement ◽  
Galvanic Replacement Reaction ◽  
Replacement Reaction ◽  
Elemental Ratios ◽  
Bonding Properties

Laser ablation synthesis in solution-galvanic replacement reaction (LASiS-GRR) enables tuning of elemental ratios and bonding properties for Pt based ternary nanoalloys as ORR electrocatalysts.

Bimetallic Cu–Pd alloy multipods and their highly electrocatalytic performance for formic acid oxidation and oxygen reduction

2017 ◽  
Vol 5 (9) ◽  
pp. 4421-4429 ◽  
Author(s):  
Dong Chen ◽  
Pengcheng Sun ◽  
Hui Liu ◽  
Jun Yang
Keyword(s):  
Formic Acid ◽  
Oxygen Reduction ◽  
Formic Acid Oxidation ◽  
Acid Oxidation ◽  
Galvanic Replacement ◽  
Galvanic Replacement Reaction ◽  
Replacement Reaction ◽  
Electrocatalytic Performance ◽  
Pd Alloy

Nanoscale Cu–Pd alloy multipods were synthesized via the galvanic replacement reaction for catalyzing formic acid oxidation and oxygen reduction.

Sub-nanometer Pt cluster decoration enhances the oxygen reduction reaction performances of NiOx supported Pd nano-islands

2020 ◽  
Vol 4 (2) ◽  
pp. 809-823 ◽  
Author(s):  
Dinesh Bhalothia ◽  
Sheng Dai ◽  
Sheng-Po Wang ◽  
Che Yan ◽  
Tzu-Hsi Huang ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
Galvanic Replacement ◽  
Hydration Kinetics ◽  
Defect Sites ◽  
Pt Cluster ◽  
Orr Activity ◽  
Supported Pd

With suitable Pt4+ loading for galvanic replacement, Pt clusters will fill in the defect sites on Ni@Pd–Pt (step 1 and step 2). In this event, the overlap between O2 splitting and hydration kinetics optimize the ORR activity of a Pt cluster decorated Ni@Pd NC.

Climbing the oxygen reduction reaction volcano plot with laser ablation synthesis of PtxY nanoalloys

2020 ◽  
Vol 10 (14) ◽  
pp. 4503-4508
Author(s):  
Riccardo Brandiele ◽  
Andrea Guadagnini ◽  
Leonardo Girardi ◽  
Goran Dražić ◽  
Maria Chiara Dalconi ◽  
...  
Keyword(s):  
Laser Ablation ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
Acid Electrolyte ◽  
Volcano Plot

PtxY nanoparticles were synthesized by laser ablation in ethanol and proved to efficiently catalyze the oxygen reduction reaction in acid electrolyte.

Effects of Pt metal loading on the atomic restructure and oxygen reduction reaction performance of Pt-cluster decorated Cu@Pd electrocatalysts

2019 ◽  
Vol 3 (7) ◽  
pp. 1668-1681 ◽  
Author(s):  
Dinesh Bhalothia ◽  
Cheng-Yang Lin ◽  
Che Yan ◽  
Ya-Tang Yang ◽  
Tsan-Yao Chen
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Pd Nanoparticles ◽  
Reduction Reaction ◽  
Galvanic Replacement ◽  
Metal Loading ◽  
Disordered Structure ◽  
Pt Cluster ◽  
Reaction Performance

Galvanic replacement dominates the structure of Pt decorated Cu@Pd nanoparticles. With proper Pt loading, it converts Cu@Pd-Pt from a surface disordered structure to multiple twin particles (MTPS) and gain the highest stability in the oxygen reduction reaction among the experimental samples.

Electro-deposition of Pd on Carbon paper and Ni foam via surface limited redox-replacement reaction for oxygen reduction reaction

2014 ◽  
Vol 128 ◽  
pp. 406-411 ◽  
Author(s):  
Remegia M. Modibedi ◽  
Mkhulu K. Mathe ◽  
Rapelang G. Motsoeneng ◽  
Lindiwe E. Khotseng ◽  
Kenneth I. Ozoemena ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
Carbon Paper ◽  
Replacement Reaction ◽  
Ni Foam ◽  
Electro Deposition

Lattice-strained palladium nanoparticles as active catalysts for the oxygen reduction reaction

2019 ◽  
Vol 55 (21) ◽  
pp. 3121-3123 ◽  
Author(s):  
Jing-Yang Lin ◽  
Cong Xi ◽  
Zhe Li ◽  
Yi Feng ◽  
De-Yao Wu ◽  
...  
Keyword(s):  
Laser Ablation ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Palladium Nanoparticles ◽  
Compressive Strain ◽  
Pulsed Laser ◽  
Pulsed Laser Ablation ◽  
Catalytic Performance ◽  
Reduction Reaction ◽  
Dramatic Improvement

Compressive strain was successfully introduced into palladium nanoparticles by a novel pulsed laser ablation technology, leading to dramatic improvement of the catalytic performance in the oxygen reduction reaction.

A novel deposition mechanism of Au on Ag nanostructures involving galvanic replacement and reduction reactions

2021 ◽  
Author(s):  
Juan Xu ◽  
Qinru Yun ◽  
Han Zhang ◽  
Yanzhen Guo ◽  
Shanlin Ke ◽  
...  
Keyword(s):  
Reduction Reaction ◽  
Galvanic Replacement ◽  
Galvanic Replacement Reaction ◽  
Replacement Reaction ◽  
Deposition Mechanism ◽  
Reduction Reactions ◽  
Hollow Nanostructures

Combining galvanic replacement reaction with reduction reaction can provide more possibility in the synthesis of Au-Ag hollow nanostructures. However, the detailed atomic deposition mechanism involving these two reactions is unclear....

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