Journal ArticleDOI
Simple preparation of nanoporous few-layer nitrogen-doped graphene for use as an efficient electrocatalyst for oxygen reduction and oxygen evolution reactions
TLDR
In this paper, a simple pyrolysis of graphene oxide and polyaniline was performed to obtain nitrogen-doped graphene (NG), which has excellent catalytic activity toward oxygen reduction reaction (ORR) in an alkaline electrolyte.About:
This article is published in Carbon.The article was published on 2013-03-01. It has received 326 citations till now. The article focuses on the topics: Electrocatalyst & Oxygen evolution.read more
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Integrated Battery-Capacitor Electrodes: Pyridinic N-Doped Porous Carbon-Coated Abundant Oxygen Vacancy Mn-Ni-Layered Double Oxide for Hybrid Supercapacitors.
TL;DR: In this article, an integrated BatCap electrode Mn-Ni LDO-C was fabricated successfully using controllable heat treatment of polypyrrole-precoated MnNi-layered double hydroxide (Mn-Ni LDH@PPy).
Journal ArticleDOI
FeNi alloy supported on nitrogen-doped graphene catalysts by polyol process for oxygen reduction reaction (ORR) in proton exchange membrane fuel cell (PEMFC) cathode
Reungruthai Sirirak,Benjaporn Jarulertwathana,Viratchara Laokawee,Warapa Susingrat,Thapanee Sarakonsri +4 more
TL;DR: In this paper, a non-precious metal FeNi electrocatalyst (FeNi/NG) was prepared by a simple solution route called the polyol process for use as the oxygen reduction reaction (ORR) catalyst in polymer exchange membrane fuel cells.
Journal ArticleDOI
Carbonaceous Oxygen Evolution Reaction Catalysts: From Defect and Doping-Induced Activity over Hybrid Compounds to Ordered Framework Structures.
Florian Zoller,Florian Zoller,Sebastian Häringer,Daniel Böhm,Jan Luxa,Zdeněk Sofer,Dina Fattakhova-Rohlfing,Dina Fattakhova-Rohlfing +7 more
TL;DR: A review of carbon-based OER catalysts can be found in this article, where the role of carbon is mainly assigned to be a conductive support and the authors discuss the recent developments in the field of ordered carbon framework structures (metal organic framework and covalent organic framework structures).
Journal ArticleDOI
Pressure-Induced Polymerization of LiN(CN)2
Derek W. Keefer,Huiyang Gou,Andrew P. Purdy,Albert Epshteyn,Duck Young Kim,John V. Badding,Timothy A. Strobel +6 more
TL;DR: The high-pressure behavior of lithium dicyanamide was studied with in situ Raman and infrared spectroscopies, and synchrotron angle-dispersive powder X-ray diffraction in a diamond anvil cell (DAC) to 22 GPa, and a polymorphic phase transformation at ∼8 GPa is suggested.
Journal ArticleDOI
In situ mass change and gas analysis of 3D manganese oxide/graphene aerogel for supercapacitors
Phansiri Suktha,Poramane Chiochan,Atiweena Krittayavathananon,Sangchai Sarawutanukul,Sathyamoorthi Sethuraman,Montree Sawangphruk +5 more
TL;DR: In this paper, 3D reduced graphene oxide aerogels (3D MnOx/rGOae) for neutral electrochemical capacitors were successfully produced by a rapid microwave reduction process within 20 s.
References
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Journal ArticleDOI
Nitrogen-Doped Graphene as Efficient Metal-Free Electrocatalyst for Oxygen Reduction in Fuel Cells
TL;DR: The resultant N-graphene was demonstrated to act as a metal-free electrode with a much better electrocatalytic activity, long-term operation stability, and tolerance to crossover effect than platinum for oxygen reduction via a four-electron pathway in alkaline fuel cells.
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Synthesis of N-Doped Graphene by Chemical Vapor Deposition and Its Electrical Properties
TL;DR: Electrical measurements show that the N-doped graphene exhibits an n-type behavior, indicating substitutional doping can effectively modulate the electrical properties of graphene.
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Reporting physisorption data for gas/solid systems with special reference to the determination of surface area and porosity (Provisional)
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Catalyst-Free Synthesis of Nitrogen-Doped Graphene via Thermal Annealing Graphite Oxide with Melamine and Its Excellent Electrocatalysis
TL;DR: A facile, catalyst-free thermal annealing approach for large-scale synthesis of NG using low-cost industrial material melamine as the nitrogen source is proposed, which can completely avoid the contamination of transition metal catalysts, and thus the intrinsic catalytic performance of pure NGs can be investigated.
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N-doping of graphene through electrothermal reactions with ammonia.
Xinran Wang,Xiaolin Li,Li Zhang,Youngki Yoon,Peter K. Weber,Hailiang Wang,Jing Guo,Hongjie Dai +7 more
TL;DR: An n-type graphene field-effect transistor that operates at room temperature is fabricated and confirmed the carbon-nitrogen species in graphene thermally annealed in ammonia is covalently functionalized by nitrogen species.