Journal ArticleDOI
Metal-free catalysts for oxygen reduction reaction.
TLDR
This paper presents a probabilistic procedure for estimating the polymethine content of carbon dioxide using a straightforward two-step procedure, and shows good results in both the stationary and the liquid phase.Abstract:
Liming Dai,*,†,‡ Yuhua Xue,†,‡ Liangti Qu,* Hyun-Jung Choi, and Jong-Beom Baek* †Center of Advanced Science and Engineering for Carbon (Case4Carbon), Department of Macromolecular Science and Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Department of Chemistry, School of Science, Beijing Institute of Technology, Beijing 100081, People’s Republic of China School of Energy and Chemical Engineering/Center for Dimension-Controllable Covalent Organic Frameworks, Ulsan National Institute of Science and Technology (UNIST), 100 Banyeon, Ulsan, 689-798, South Korearead more
Citations
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Active sites of nitrogen-doped carbon materials for oxygen reduction reaction clarified using model catalysts
TL;DR: In this paper, the oxygen reduction reaction (ORR) active site was characterized by using newly designed graphite (highly oriented pyrolitic graphite) model catalysts with well-defined π conjugation and well-controlled doping of N species.
Journal ArticleDOI
Cocatalysts for Selective Photoreduction of CO2 into Solar Fuels.
TL;DR: Various cocatalysts, such as the biomimetic, metal-based,Metal-free, and multifunctional ones, and their selectivity for CO2 photoreduction are summarized and discussed, along with the recent advances in this area.
Journal ArticleDOI
Emerging Two-Dimensional Nanomaterials for Electrocatalysis
Huanyu Jin,Chunxian Guo,Xin Liu,Jinlong Liu,Anthony Vasileff,Yan Jiao,Yao Zheng,Shi-Zhang Qiao +7 more
TL;DR: The fundamental relationships between electronic structure, adsorption energy, and apparent activity for a wide variety of 2D electrocatalysts are described with the goal of providing a better understanding of these emerging nanomaterials at the atomic level.
Journal ArticleDOI
Defect Chemistry of Nonprecious-Metal Electrocatalysts for Oxygen Reactions
TL;DR: The recent development of this concept is reviewed here and a novel principle for the design of oxygen electrocatalysts is proposed and an overview of the defects in carbon-based, metal-free electrocatalysis for ORR and various defects in metal oxides/selenides for OER is provided.
Structural (n,m) determination of isolated single wall carbon nanotubes by resonant Raman scattering
Mildred S. Dresselhaus,Ado Jorio,G. Dresselhaus,Martin Hunter,T. McClure,Jason H. Hafner,Charles M. Lieber,Riichiro Saito +7 more
TL;DR: In this paper, a unique chirality assignment was made for both metallic and semiconducting nanotubes of diameter d(t), using the parameters gamma(0) = 2.9 eV and omega(RBM) = 248/d(t).
References
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Journal ArticleDOI
Synthesis of Nitrogen-Containing Microporous Carbon with a Highly Ordered Structure and Effect of Nitrogen Doping on H2O Adsorption
Peng-Xiang Hou,Hironori Orikasa,Toshiaki Yamazaki,Koichi Matsuoka,Akira Tomita,Norihiko Setoyama,Yoshiaki Fukushima,Takashi Kyotani +7 more
TL;DR: In this paper, a nitrogen-containing microporous carbon with a highly ordered structure was synthesized by using zeolite Y as a template, and the filling of carbon into zeolitic channels was performed by the impregnat...
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Graphene enriched with pyrrolic coordination of the doped nitrogen as an efficient metal-free electrocatalyst for oxygen reduction
TL;DR: In this article, an efficient template-free synthetic route for the preparation of mesoporous nitrogen-doped graphene (NGE) containing a high weight percentage of pyrrolic nitrogen, good specific surface area and comparable electrochemical oxygen reduction activity as that of the state-of-the-art 40 wt% Pt/C catalyst.
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Electrocatalytic activity of nitrogen-doped graphene synthesized via a one-pot hydrothermal process towards oxygen reduction reaction
TL;DR: In this paper, Nitrogen-doped graphene (NG) materials have been prepared by hydrothermal reaction of graphite oxide (GO) with urea, and their electrocatalytic properties towards oxygen reduction reaction in 0.1 M KOH are investigated.
Journal ArticleDOI
Nitrogen-doped graphene nanoribbons as efficient metal-free electrocatalysts for oxygen reduction.
TL;DR: Electrochemical characterizations reveal that the obtained N8.3-GNR nanomaterial has excellent catalytic activity toward an oxygen reduction reaction (ORR) in an alkaline electrolyte, including large kinetic-limiting current density and long-term stability as well as a desirable four-electron pathway for the formation of water.
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Polymer Electrolyte Membrane Fuel Cell (PEMFC) Flow Field Plate: Design, Materials and Characterisation
Philip Hamilton,Bruno G. Pollet +1 more
TL;DR: In this article, a review describes some recent developments in the area of flow field plates (FFP) for proton exchange membrane fuel cells (PEMFCs), and the function, parameters and design of FFPs in PEM fuel cells are outlined and considered in light of their performance.