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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Book
Recent Trends in Fuel Cell Science and Technology
TL;DR: In this article, the authors present a detailed analysis of the gas diffusion layers in PEM Fuel Cells and their application in power-conditioning systems and future directions of fuel cell science and technology.
Journal ArticleDOI
Hydrogen in the mechanically prepared nanostructured graphite
Shin Ichi Orimo,Shin Ichi Orimo,Günter Majer,Toshiharu Fukunaga,Andreas Züttel,Louis Schlapbach,Hironobu Fujii +6 more
TL;DR: In this article, the radial distribution function determined by the neutron diffraction measurement was used to determine the deuterium coordinations in graphite interlayers and that with the CDx covalent bonds.
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Mechanism of the electrocatalytic reduction of oxygen on metal chelates
TL;DR: In this article, the authors studied the catalytic activity of N4 complexes for the electroreduction of oxygen in acid electrolyte and found that they are not completely stable when supported by active carbon or carbon black.
Journal ArticleDOI
Electrocatalysis in microbial fuel cells—from electrode material to direct electrochemistry
TL;DR: In this paper, the electrocatalysis of the anode is crucial for improvement of the energy conversion efficiency, power density and energy density of MFCs, which is significantly related to the microbes, electrode and electron transfer scheme between the microbes and electrode.
Journal ArticleDOI
Nitrogen-Doped Carbon Nanotube/Graphite Felts as Advanced Electrode Materials for Vanadium Redox Flow Batteries
TL;DR: The nitrogen doping modifies the electronic properties of CNT and thereby alters the chemisorption characteristics of the vanadium ions, generates defect sites that are electrochemically more active, increases the oxygen species on CNT surface, which is a key factor influencing the VRFB performance.