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Self-Supported Interconnected Pt Nanoassemblies as Highly Stable Electrocatalysts for Low-Temperatur
TLDR
In it for the long haul: Clusters of Pt nanowires (3D Pt nanoassemblies, Pt NA) serve as an electrocatalyst for low-temperature fuel cells that exhibit remarkably high stability following thousands of voltage cycles and good catalytic activity, when compared with a commercial Pt’salyst and 20 % wt Pt”catalyst supported on carbon black.Abstract:
In it for the long haul: Clusters of Pt nanowires (3D Pt nanoassemblies, Pt NA) serve as an electrocatalyst for low-temperature fuel cells. These Pt nanoassemblies exhibit remarkably high stability following thousands of voltage cycles and good catalytic activity, when compared with a commercial Pt catalyst and 20 % wt Pt catalyst supported on carbon black (20 % Pt/CB).read more
Citations
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Recent advancements in Pt and Pt-free catalysts for oxygen reduction reaction
Yao Nie,Li Li,Zidong Wei +2 more
TL;DR: The most recent advances in the development of Pt-based and Pt-free materials in the field of fuel cell ORR catalysis are reviewed to provide insights into the remaining challenges and directions for future perspectives and research.
Journal ArticleDOI
Oxygen electrocatalysts in metal–air batteries: from aqueous to nonaqueous electrolytes
TL;DR: This review focuses on the major obstacle of sluggish kinetics of the cathode in both batteries, and summary the fundamentals and recent advances related to the oxygen catalyst materials, and several future research directions are proposed based on the results achieved.
Journal ArticleDOI
Surface engineering of hierarchical platinum-cobalt nanowires for efficient electrocatalysis
Lingzheng Bu,Shaojun Guo,Xu Zhang,Xuan Shen,Dong Su,Gang Lu,Xing Zhu,Jianlin Yao,Jun Guo,Xiaoqing Huang +9 more
TL;DR: A facile strategy for synthesizing hierarchical platinum-cobalt nanowires with high-index, platinum-rich facets and ordered intermetallic structure that enable unprecedented performance for the oxygen reduction and alcohol oxidation reactions.
Durability Investigation of Carbon Nanotube as Catalyst Support for Proton Exchange Membrane Fuel Cell Electrode
TL;DR: In this paper, the authors compared the performance of carbon nanotubes (MWNTs) and Vulcan XC-72 in terms of surface oxide formation and 30% lower corrosion current.
Journal ArticleDOI
One‐Pot Synthesis of Pt–Co Alloy Nanowire Assemblies with Tunable Composition and Enhanced Electrocatalytic Properties
TL;DR: The electrochemical results demonstrate that the 3D Pt3Co NWA is indeed a promising electrocatalyst with enhanced catalytic activity and improved durability for practical electrocatalytic applications.
References
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One‐Dimensional Nanostructures: Synthesis, Characterization, and Applications
Younan Xia,Peidong Yang,Yugang Sun,Yiying Wu,Brian Mayers,Byron D. Gates,Yadong Yin,Franklin Kim,Haoquan Yan +8 more
TL;DR: A comprehensive review of 1D nanostructures can be found in this article, where the authors provide a comprehensive overview of current research activities that concentrate on one-dimensional (1D) nanostructure (wires, rods, belts and tubes).
Journal ArticleDOI
Materials for fuel-cell technologies
TL;DR: Recent progress in the search and development of innovative alternative materials in the development of fuel-cell stack is summarized.
Journal ArticleDOI
Scientific aspects of polymer electrolyte fuel cell durability and degradation.
Rodney L. Borup,Jeremy P. Meyers,Bryan S. Pivovar,Yu Seung Kim,Rangachary Mukundan,Nancy Garland,Deborah J. Myers,Mahlon S. Wilson,Fernando H. Garzon,David L. Wood,Piotr Zelenay,Karren L. More,Ken Stroh,Thomas A. Zawodzinski,James M. Boncella,James E. McGrath,Minoru Inaba,Kenji Miyatake,Michio Hori,Kenchiro Ota,Zempachi Ogumi,Seizo Miyata,Atsushi Nishikata,Zyun Siroma,Yoshiharu Uchimoto,Kazuaki Yasuda,Ken'ichi Kimijima,Norio Iwashita +27 more
TL;DR: The research focuses on the durability of polymer electrolyte fuel cells (PEFCs), in particular, membrane degradation, and he has been involved in NEDO R&D research projects on PEFC durability since 2001.
Journal ArticleDOI
Recent advancements in Pt and Pt-free catalysts for oxygen reduction reaction
Yao Nie,Li Li,Zidong Wei +2 more
TL;DR: The most recent advances in the development of Pt-based and Pt-free materials in the field of fuel cell ORR catalysis are reviewed to provide insights into the remaining challenges and directions for future perspectives and research.
Journal ArticleDOI
Stabilization of Platinum Oxygen-Reduction Electrocatalysts Using Gold Clusters
TL;DR: It is demonstrated that platinum (Pt) oxygen-reduction fuel-cell electrocatalysts can be stabilized against dissolution under potential cycling regimes by modifying Pt nanoparticles with gold (Au) clusters, and data suggest that the Au clusters confer stability by raising the Pt oxidation potential.