Direct Thermal Annealing Synthesis of Ordered Pt Alloy Nanoparticles Coated with a Thin N-Doped Carbon Shell for the Oxygen Reduction Reaction

ACS Catalysis ◽  
2021 ◽  
pp. 9355-9365
Author(s):  
Suqiong He ◽  
Yang Liu ◽  
Hongbing Zhan ◽  
Lunhui Guan
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Thermal Annealing ◽  
Reduction Reaction ◽  
Carbon Shell ◽  
Alloy Nanoparticles ◽  
Pt Alloy

scholarly journals Insights into electrochemical dealloying of Cu out of Au-doped Pt-alloy nanoparticles at the sub-nano-scale

2018 ◽  
Vol 8 (1) ◽  
pp. 87-100 ◽  
Author(s):  
Matija Gatalo ◽  
Primož Jovanovič ◽  
Francisco Ruiz-Zepeda ◽  
Andraž Pavlišič ◽  
Ana Robba ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Low Temperature ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Noble Metal ◽  
Reduction Reaction ◽  
Alloy Nanoparticles ◽  
Pt Alloy ◽  
Low Temperature Fuel Cells ◽  
Pt Electrocatalysts

Pt alloy nanoparticles present the most probable candidate to be used as the cathode cathodic oxygen reduction reaction electrocatalyst for achieving commercialization targets of the low-temperature fuel cells. It is therefore very important to understand its activation and degradation processes. Besides the ones known from the pure Pt electrocatalysts, the dealloying phenomena possess a great threat since the leached less-noble metal can interact with the polymer membrane or even poison the electrocatalyst. In this study, we present a solution, supported by in-depth advance electrochemical characterization, on how to suppress the removal of Cu from the Pt alloy nanoparticles.

scholarly journals Model building analysis – a novel method for statistical evaluation of Pt L3-edge EXAFS data to unravel the structure of Pt-alloy nanoparticles for the oxygen reduction reaction on highly oriented pyrolytic graphite

2020 ◽  
Vol 22 (34) ◽  
pp. 18815-18823 ◽  
Author(s):  
Felix E. Feiten ◽  
Shuntaro Takahashi ◽  
Oki Sekizawa ◽  
Yuki Wakisaka ◽  
Tomohiro Sakata ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Analytical Method ◽  
Model Building ◽  
Statistical Evaluation ◽  
Pyrolytic Graphite ◽  
Reduction Reaction ◽  
Alloy Nanoparticles ◽  
Pt Alloy ◽  
Novel Method

We have developed a novel analytical method combining model building and statistical evaluation to determine the structure of multimetallic nanoparticles from EXAFS of a single adsorption edge.

scholarly journals Cover Feature: A Review on Recent Developments and Prospects for the Oxygen Reduction Reaction on Hollow Pt-alloy Nanoparticles (ChemPhysChem 13/2018)

ChemPhysChem ◽  
2018 ◽  
Vol 19 (13) ◽  
pp. 1549-1549
Author(s):  
Tristan Asset ◽  
Raphaël Chattot ◽  
Marie Fontana ◽  
Benjamin Mercier-Guyon ◽  
Nathalie Job ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
Alloy Nanoparticles ◽  
Recent Developments ◽  
Pt Alloy

A Review on Recent Developments and Prospects for the Oxygen Reduction Reaction on Hollow Pt-alloy Nanoparticles

ChemPhysChem ◽  
2018 ◽  
Vol 19 (13) ◽  
pp. 1552-1567 ◽  
Author(s):  
Tristan Asset ◽  
Raphaël Chattot ◽  
Marie Fontana ◽  
Benjamin Mercier-Guyon ◽  
Nathalie Job ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
Alloy Nanoparticles ◽  
Recent Developments ◽  
Pt Alloy

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...

Hierarchical confine of PtZn alloy nanoparticles and single-dispersed Zn atoms on COF@MOF-derived carbon towards efficient oxygen reduction reaction

2021 ◽  
Author(s):  
Yu Guo ◽  
Shuai Yang ◽  
Qing Xu ◽  
Ping Wu ◽  
Zheng Jiang ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Metal Organic Frameworks ◽  
Reduction Reaction ◽  
Alloy Nanoparticles ◽  
Covalent Organic Frameworks ◽  
Metal Organic ◽  
Significant Attention

Covalent organic frameworks (COFs) and metal-organic frameworks (MOFs) are getting significant attention for enormous application because of their designable and controllable skeletons and porosities. The integrated materials of MOFs and...

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