Materials for Renewable and Sustainable Energy

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Critical analysis of polyindole and its composites in supercapacitor application
Materials for Renewable and Sustainable Energy - Tập 8 - Trang 1-19 - 2019
Harish Mudila, Parteek Prasher, Mukesh Kumar, Anil Kumar, M. G. H. Zaidi, Amit Kumar
Polyindole-based hybrid composites are being recognized as a promising candidate to be used in energy storage field along with other conjugated organic polymers. Polyindoles themselves are affected with low electrical and electrochemical conductivity; nevertheless, high redox activity, tunable electrical conductivity, significant thermal stability, slow degradation rate, and possible blending prop...... hiện toàn bộ
Strategies of engineering 2D nanomaterial-based electrocatalysts toward hydrogen evolution reaction
Materials for Renewable and Sustainable Energy - - 2020
Yaping Chen, Guoqiang Zhao, Wenping Sun
Electrochemical water splitting driven by renewable energy-derived electricity is considered as the most promising pathway for delivering clean and sustainable hydrogen production. The key to achieving an efficient water splitting process is developing highly active electrocatalysts. Two-dimensional (2D) nanomaterials hold great promise in the electrocatalysis field due to their unique physicochem...... hiện toàn bộ
Titanium–tantalum oxide as a support for Pd nanoparticles for the oxygen reduction reaction in alkaline electrolytes
Materials for Renewable and Sustainable Energy - Tập 7 - Trang 1-10 - 2018
Cinthia Alegre, Stefania Siracusano, Esterina Modica, Antonino S. Aricò, Vincenzo Baglio
We report a facile synthetic method for the preparation of titanium–tantalum oxide by means of a modified Adam’s method. This new method allowed obtaining Ti0.8Ta0.2O2 with a high surface area (234 m2 g−1), to be used as catalyst support for Pd nanoparticles. Cyclic voltammetry and linear sweep voltammetry measurements confirm the noticeable oxygen reduction reaction (ORR) activities of the Pd/Ti0...... hiện toàn bộ
Analysis of thickness-dependent optical parameters of a-Si:H/nc-Si:H multilayer thin films
Materials for Renewable and Sustainable Energy - Tập 6 - Trang 1-6 - 2017
Ashok Kherodia, Ashish K. Panchal
Multilayer thin films with alternate hydrogenated amorphous (a-Si:H) and nanocrystalline silicon (nc-Si:H) layers are deposited in hot wire chemical vapor deposition (HWCVD) chamber using hydrogen (H2) dilution of silane (SiH4). Two sets (two samples for each set) have different nc-Si:H layer thickness with the same a-Si:H thickness. The transmittance spectra, refractive index and absorption coeff...... hiện toàn bộ
Assessment of thermal and energy performance of masonry blocks prepared with date palm ash
Materials for Renewable and Sustainable Energy - - 2020
Noman Ashraf, M. Nasir, Walid A. Al-Kutti, Faris A. Al-Maziad
AbstractThis article evaluates the thermal and energy performance of mortar blocks containing local agricultural waste. The mortar blocks were cast by the replacement of ordinary Portland cement (OPC) with varying amounts of date palm ash (DPA) in the range of 10–30%. Experiments and simulations were carried out to assess the thermal characteristics and energy perf...... hiện toàn bộ
Irreversibility of proton conductivity of Nafion and Nafion–Titania composites at high relative humidity
Materials for Renewable and Sustainable Energy - - 2015
Bruno R. Matos, Elisabete I. Santiago, Fábio C. Fonseca
Electrochemical performance of SnO–V2O5–SiO2 glass anode for Na-ion batteries
Materials for Renewable and Sustainable Energy - Tập 7 - Trang 1-4 - 2018
Suman Gandi, Srinivasa Rao Chinta, Naresh Kumar Katari, Balaji Rao Ravuri
SnO–V2O5–SiO2 glass anode sample prepared by simple a mechanical milling technique. The amorphous nature of sample identified using with XRD technique. This glass anode has an initial charge capacity of 560 mAhg−1 and discharge capacity of 483 mAhg−1. After 20 charge–discharge cycles, charge and discharge capacities achieved to be 389 and 379 mAhg−1 at 0.1C, respectively. The loss in discharge cap...... hiện toàn bộ
Structure and hydrogen storage properties of AB3-type Re2Mg(Ni0.7 − xCo0.2Mn0.1Alx)9 (x = 0‒0.04) alloys
Materials for Renewable and Sustainable Energy - - 2019
Long Jiang, Zhongli Zou, Qiuming Pei, Dingshan Zheng, F. S. Li, Yahui Tian
Graphite nanoparticles paper supercapacitor based on gel electrolyte
Materials for Renewable and Sustainable Energy - Tập 7 - Trang 1-11 - 2018
L. Fekri Aval, M. Ghoranneviss, G. Behzadi Pour
In this study, three-type paper supercapacitors based on the polyvinylidene fluoride (PVDF) and polyvinyl alcohol (PVA)/phosphoric acid (H3PO4) gel electrolytes and graphite nanoparticles (GNPs) electrodes have been fabricated. The gel electrolytes and electrodes films have been coated on the paper using push coating and then characterized by scanning electron microscopy (SEM). In two types of the...... hiện toàn bộ
Layer-by-layer deposition of TiO2–ZrO2 electrode sensitized with Pandan leaves: natural dye-sensitized solar cell
Materials for Renewable and Sustainable Energy - Tập 8 - Trang 1-9 - 2019
Kalpana S. Pawar, Prashant K. Baviskar, Inamuddin, Altafhusain B. Nadaf, Sunita Salunke-Gawali, Habib M. Pathan
TiO2, ZrO2 and layer-by-layer TiO2–ZrO2 films were prepared by doctor blade method followed by sensitization with natural dye for dye-sensitized solar cell application. The structural and optical, morphological and compositional properties were investigated by X-ray diffraction and UV–Vis spectroscopy, scanning electron microscopy, BET, surface profilometer and energy-dispersive X-ray analyzer, re...... hiện toàn bộ
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