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1.765 Aktuelle Fachpublikationen zum Thema temperature

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Electric response in the antiferroelectric crystal of 4,4’-di-t-butyl-2,2’-bipyridyl with chloranilic acid

22.03.2015 | Author(s): M. Rok , A. Piecha-Bisiorek , P. Szklarz , G. Bator , L. Sobczyk, Chemical Physics, 2015

Publication date: Available online 19 March 2015 Source:Chemical Physics Author(s): M. Rok , A. Piecha-Bisiorek , P. Szklarz , G. Bator , L. Sobczyk The electric response was analyzed in the vicinity of the structural phase transition at 412K in the single crystals of ...

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Study on the enhanced electrochemical performance of LiMn2O4 cathode material at 55°C by the nano Ag-coating

22.03.2015 | Author(s): Rongyan Jiang , Congying Cui , Houyi Ma , Hongfang Ma , Ting Chen, Journal of Electroanalytical Chemistry, 2015

Publication date: 1 May 2015 Source:Journal of Electroanalytical Chemistry, Volume 744 Author(s): Rongyan Jiang , Congying Cui , Houyi Ma , Hongfang Ma , Ting Chen In this paper, the nano-sized Ag particles were coated on the surfaces of the spinel LiMn2O4 nanoparticles through a ...

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Carbon nanotubes and carbon onions for modification of styrene–acrylate copolymer nanocomposites

21.03.2015 | Remo Merijs‐Meri, Janis Zicans, Tatjana Ivanova, Juris Bitenieks, Alesya Paddubskaya, Polina Kuzhir, Sergey Maksimen ..., Polymer Composites, 2015

Styrene acrylate polymer (SAC) nanocomposites with various carbon nanofillers (multi‐walled carbon nanotubes, MWCNT, and onion like carbons, OLCs, annealed at two different temperatures) are manufactured by means of latex based and combined routes. Concentration of the carbon nanofillers is ...

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Nanocomposite Membranes based on Polybenzimidazole and ZrO2 for High‐Temperature Proton Exchange Membrane Fuel Cells

20.03.2015 | Graeme Nawn, Giuseppe Pace, Sandra Lavina, Keti Vezzù, Enrico Negro, Federico Bertasi, Stefano Polizzi, Vito Di Noto, ChemSusChem, 2015

Abstract Owing to the numerous benefits obtained when operating proton exchange membrane fuel cells at elevated temperature (>100 °C), the development of thermally stable proton exchange membranes that demonstrate conductivity under anhydrous conditions remains a significant goal for fuel cell ...

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Graphene nanoplate and multiwall carbon nanotube–embedded polycarbonate hybrid composites: High electromagnetic interference shielding with low percolation threshold

20.03.2015 | Sandip Maiti, B.B. Khatua, Polymer Composites, 2015

This study has reported the preparation of polycarbonate (PC)/graphene nanoplate (GNP)/multiwall carbon nanotube (MWCNT) hybrid composite by simple melt mixing method of PC with GNP and MWCNT at 330°C above the processing temperature of the PC (processing temperature is 280°C) followed by ...

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When Nanoparticles Meet Poly(Ionic Liquid)s: Chemoresistive CO2 Sensing at Room Temperature

16.03.2015 | Christoph Willa, Jiayin Yuan, Markus Niederberger, Dorota Koziej, Advanced Functional Materials, 2015

Tetraalkylammonium‐based poly(ionic liquid)s (PILs) are able to absorb particularly large amounts of CO2; thus are considered up‐and‐coming materials in applications ranging from sensing, separation, to storage of CO2. To meet the requirements of practical usage, their chemical activity has to ...

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O2 dissociation on the side wall of aluminum nitride nanotube: a DFT investigation

08.03.2015 | Author(s): Xianyan Xu , Wei Ren , Huiying Xu , Xuepeng Zhang , Xiaowei Zheng , David Lee Phillips , Cunyuan Zhao, Sensors and Actuators B: Chemical, 2015

Publication date: 5 July 2015 Source:Sensors and Actuators B: Chemical, Volume 213 Author(s): Xianyan Xu , Wei Ren , Huiying Xu , Xuepeng Zhang , Xiaowei Zheng , David Lee Phillips , Cunyuan Zhao The probabilities of the singlet and triplet O2 dissociation on single-walled aluminum ...

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Facile Synthesis of ZnO–Reduced Graphene Oxide Nanocomposites for NO2 Gas Sensing Applications

06.03.2015 | Nagesh Kumar, Arvind Kumar Srivastava, Hari Shankar Patel, Bipin Kumar Gupta, Ghanshyam Das Varma, European Journal of Inorganic Chemistry, 2015

Abstract Graphene and its exotic forms have been widely recognized as exceptional materials for gas‐sensing applications because of their extraordinary electrical conductivity and large surface area to volume ratios. Herein, chemically reduced graphene oxide (rGO) and zinc oxide–reduced ...

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Electrical conductivity of layered CuInP2(SxSe1−x)6 crystals

04.03.2015 | Jan Macutkevic, Juras Banys, Yulian Vysochanskii, physica status solidi (b), 2015

Investigations of the electrical conductivity of mixed CuInP2(SxSe1–x)6 crystals were carried out in the frequency range of 20–1 MHz. Anomalies in dc conductivity were observed close to the ferroelectric phase‐transition temperature. However, these anomalies are different in selenium‐ and ...

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Understanding the Flash Sintering of Rare‐Earth‐Doped Ceria for Solid Oxide Fuel Cell

04.03.2015 | Taizhi Jiang, Zhenhua Wang, Jing Zhang, Xiaoming Hao, David Rooney, Yajie Liu, Wang Sun, Jinshuo Qiao, Kening Sun, Journal of the American Ceramic Society, 2015

A novel electrical current applied technique known as flash sintering has been applied to rapidly (within 10min) densify electrolytes including Ce0.8Gd0.2O1.9 (GDC20), Ce0.9Gd0.1O1.95 (GDC10), and Ce0.8Sm0.2O1.9 (SDC20) for application in Solid Oxide Fuel Cells (SOFCs). The densification ...

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