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Anode Catalysts for Direct Methanol Fuel Cells in Acidic Media: Do We Have Any Alternative for Pt or Pt–Ru?
Nitul Kakati,Jatindranath Maiti,Seok Hee Lee,Seung Hyun Jee,Balasubramanian Viswanathan,Young Soo Yoon +5 more
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Do The authors Have Any Alternative for Pt or Pt−Ru?Abstract:
Do We Have Any Alternative for Pt or Pt−Ru? Nitul Kakati,† Jatindranath Maiti,† Seok Hee Lee,† Seung Hyun Jee,† Balasubramanian Viswanathan,*,‡ and Young Soo Yoon*,† †Department of Chemical Engineering, Gachon University, 1342 Seongnamdaero, Sujeong-gu, Seongnam-si, Gyeonggi-do 461-701, Republic of Korea ‡National Centre for Catalysis Research, Department of Chemistry, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, Indiaread more
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Bimetallic Nanocrystals: Syntheses, Properties, and Applications
TL;DR: A comprehensive review of recent research activities on bimetallic nanocrystals, featuring key examples from the literature that exemplify critical concepts and place a special emphasis on mechanistic understanding.
Journal ArticleDOI
Enhancing Electrocatalytic Activity of Perovskite Oxides by Tuning Cation Deficiency for Oxygen Reduction and Evolution Reactions
TL;DR: In this article, a simple and effective strategy for enhancing ORR and OER electrocatalytic activity in alkaline solution by introducing A-site cation deficiency in LaFeO3 perovskite was reported.
Journal ArticleDOI
Towards high-efficiency nanoelectrocatalysts for oxygen reduction through engineering advanced carbon nanomaterials
TL;DR: This critical review will summarize recent advances on engineering advanced carbon nanomaterials with different dimensions for the rational design and synthesis of noble-metal-free oxygen reduction electrocatalysts including heteroatom-doped carbon nanmaterials, transition metal-based nanoparticle (NP)-carbon Nanomaterial composites and especially the stable iron carbide (Fe3C)-based NP-carbon nanom material composites.
Journal ArticleDOI
Seed-Mediated Growth of Colloidal Metal Nanocrystals.
TL;DR: This Review demonstrates how the diversity of metal nanocrystals can be expanded with endless opportunities by using seeds with well-defined and controllable internal structures in conjunction with a proper combination of capping agent and reduction kinetics.
Journal ArticleDOI
Shape-Control of Pt-Ru Nanocrystals: Tuning Surface Structure for Enhanced Electrocatalytic Methanol Oxidation.
TL;DR: A general synthesis of ultrathin PtRu nanocrystals with tunable morphologies through a one-step solvothermal approach and a systematic investigation of the structure-directing effects of different surfactants and the formation mechanism by control experiments and time-dependent studies is reported.
References
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Journal ArticleDOI
Improved Oxygen Reduction Activity on Pt3Ni(111) via Increased Surface Site Availability
Vojislav R. Stamenkovic,Vojislav R. Stamenkovic,Ben Fowler,Bongjin Simon Mun,Guofeng Wang,Philip N. Ross,Chris Lucas,Nenad M. Markovic +7 more
TL;DR: It is demonstrated that the Pt3Ni( 111) surface is 10-fold more active for the ORR than the corresponding Pt(111) surface and 90-foldMore active than the current state-of-the-art Pt/C catalysts for PEMFC.
Journal ArticleDOI
Low-temperature oxidation of CO catalysed by Co 3 O 4 nanorods
TL;DR: Tricobalt tetraoxide nanorods not only catalyse CO oxidation at temperatures as low as –77 °C but also remain stable in a moist stream of normal feed gas, showing the importance of morphology control in the preparation of base transition-metal oxides as highly efficient oxidation catalysts.
Journal ArticleDOI
Surface science studies of model fuel cell electrocatalysts
Nenad M. Markovic,Philip N. Ross +1 more
TL;DR: In this paper, the authors discuss progress in the understanding of electrocatalytic reactions through the study of model systems with surface spectroscopies and discuss the limitations of using pure metal single crystals and well-characterized bulk alloys as models for real catalysts.
Journal ArticleDOI
Palladium-Based Electrocatalysts for Alcohol Oxidation in Half Cells and in Direct Alcohol Fuel Cells
Claudio Bianchini,Pei Kang Shen +1 more
TL;DR: Increasing research efforts are carried out to design and develop more efficient anode electrocatalysts for DAFCs, which are attracting increasing interest as power sources for portable applications.
Journal ArticleDOI
DMFCs: From Fundamental Aspects to Technology Development
TL;DR: In this paper, a review of recent developments in both the fundamental and technological aspects of direct methanol fuel cells (DMFCs) is presented, where the authors focus on the electrocatalysis of the methanoline oxidation reaction and oxygen electroreduction.
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