Materials for Renewable and Sustainable Energy

http://link.springer.com/journal/40243

List of Papers (Total 117)

Application of silver in microtubular solid oxide fuel cells

In this paper, the behaviour of silver as cathode conductive material, interconnect wire, and sealing for anode lead connection for microtubular solid oxide fuel cells (µSOFC) is reported. The changes in silver morphology are examined by scanning electron microscopy on cells that had been operated under reformed methane. It is found that using silver in an solid oxide fuel cell...

Properties of activated MgH2 + mischmetal nanostructured composite produced by ball-milling

MgH2 + mischmetal nanostructured composite was synthesized from MgH2 plus 6 and 10 wt% of mischmetal by ball-milling at various times. XRD studies revealed that cerium hydride was produced during the milling in all samples. Sievert test results indicated that the samples containing 6 wt% of mischmetal showed a higher desorption compared with the ones containing 10 wt% of...

Fabrication of titanium dioxide (TiO2) and mercury sulfide (HgS) heterojunction for photoelectrochemical study

This work reports a chemical solution sensitization of HgS nanocrystals on mesoporous TiO2 films for different deposition times. The adsorption of the precursor ions and the surface growth of the crystal were found to be affected during the temporal deposition of the HgS over spin-coated TiO2 films. The synthesized electrodes were characterized by structural, morphological...

Mechanisms and kinetic model of hydrogen production in the hydrothermal treatment of waste aluminum

The hydrothermal reaction of water and aluminum materials was investigated as a method for hydrogen production using geothermal heat or wasted heat from industrial activities. Hydrogen was produced using pure aluminum powder at the observed temperature range of 230–340 °C and under corresponding saturated vapor pressure, and hydrogen production increased significantly with...

Facile synthesis of mesoporous carbon material from treated kitchen waste for energy applications

Biomass is abundant, easily available, and environmentally benign source of C which can be converted to scientifically useful materials by appropriate processing. This work is our attempt to convert the treated kitchen waste and chicken manure into valuable mesoporous carbons, and to check its suitability for energy applications. The samples have been prepared using high...

Progress towards highly stable and lead-free perovskite solar cells

High-performance perovskite solar cells have attracted increased attention for photovoltaic applications and potentially replacing the predecessor generations. Nevertheless, the stability issues and the lead content has always been among the major concerns that barriers perovskite solar cells from commercialization. This review presents the discussion towards the inherent...

Titanium–tantalum oxide as a support for Pd nanoparticles for the oxygen reduction reaction in alkaline electrolytes

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...

A short review on the advancements in electroplating of CuInGaSe2 thin films

Thin-film solar cell devices based on copper indium gallium diselenide (CIGSe) chalcogenide materials fabricated by vacuum-based deposition techniques have already achieved lab scale efficiency beyond 21%. For industrial-scale applications, non-vacuum deposition technique such as electrodeposition and screen printing is considered to be suitable approaches for reducing the device...

Poly(methyl methacrylate) reinforced poly(vinylidene fluoride) composites electrospun nanofibrous polymer electrolytes as potential separator for lithium ion batteries

Fabrication of nanofibrous polymer electrolyte membranes of poly(vinylidene fluoride) (PVdF) and poly(methyl methacrylate) (PMMA) in different proportion (PVdF:PMMA = 100:0, 80:20 and 50:50) by electrospinning is reported to investigate the influence of PMMA on lithium ion battery performance of PVdF membrane as separator. As-fabricated polymer electrospun nanofibrous membranes...

Efficient, low-dimensional nanocomposite bilayer CuO/ZnO solar cell at various annealing temperatures

In this work, heterojunction, solar cells based on inorganic semiconductors were fabricated at various thermal-annealing temperatures using vapor deposition techniques. The active layer primarily consists of a bilayer comprising a hole transporting copper oxide-CuO and an electron transporting zinc oxide-ZnO nanoparticles. It was observed that the power conversion efficiency-PCE...

Influence of tin content on spectral selectivity and thermal conductivity of Sn–Al2O3 solar selective absorber

The tin-pigmented aluminium oxide film (Sn–Al2O3) based solar selective absorber was successfully prepared with three different contents of tin by an anodization process. The phase and morphology of the Sn–Al2O3 were measured by X-ray diffractometer and a scanning electron microscope equipped with an energy dispersive X-ray analyser. The reflectance (R) of the coating was...

Electrocatalytic and pseudocapacitive properties of cobalt (hydro)oxide films on sintered metal fiber filter

Cobalt (hydro)oxide films on Bekipor ST 20AL3 sintered metal fiber were formed by electrochemical deposition under galvanostatic conditions using different electrolyte baths (nitrate, acetate and chloride). Cobalt oxide films were prepared via thermal treatment of as-deposited specimens at 673 K. Electroactive surface area of as-deposited and annealed films was estimated using...

Analysis of thickness-dependent optical parameters of a-Si:H/nc-Si:H multilayer thin films

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...

Synthesis, structural and electrical characterizations of LaSrCu0.4Al0.6O4−δ

A new compound LaSrCu0.4Al0.6O4−δ has been prepared by sol gel method, annealed at 1623 K in oxygen gas flow and examined by X-ray diffraction. Rietveld refinement shows that the sample adopts the K2NiF4-type structure, space group I4/mmm (a = 3.7694(2) and c = 12.8248(5) Ǻ, Z = 2). Vibrational properties were investigated using Raman scattering and the most characteristic...

Preparation, characterization and electrocatalytic activity for oxygen reduction reaction in PEMFCs of bimetallic PdNi nanoalloy

The modified polyol reduction method was used to prepare a carbon-supported bimetallic PdNi nanoalloys (BMNAs). The prepared catalyst was characterized using X-ray diffraction and transmission electron microscopy. The obtained data indicated that, the average particle size of the alloys in the range ≈ 20–50 nm. The morphology structure shows uniformly distributed particles on the...

Heterojunction p-Cu2O/ZnO-n solar cell fabricated by spark plasma sintering

Cuprous oxide and zinc oxide nanoparticles were prepared at room temperature by inorganic polycondensation. X-ray diffraction (XRD) analyses show that the oxide phases formed are pure and well crystallized. The spark plasma sintering (SPS) technique was successfully used to prepare dense nanoceramics with superimposed layers of Cu2O and ZnO nanopowders. Sintering conditions were...

Affordable dye sensitizer by waste

The development of dye sensitizer is growing in line with the increasing demand for renewable energy. A research to obtain a dye sensitizer that is economical, safe, and produces a great value of DSSC efficiency is a challenge unresolved. On the other hand, the efforts for waste reduction are also intensively conducted to create better environment. In this paper, the variation of...

Electrochemical performance of the rare-earth perovskite-type oxide La0.6Sr0.4Co0.2Fe0.8O3 as negative electrode material for Ni/oxide rechargeable batteries

In this paper, the perovskite-type oxide La0.6Sr0.4Co0.2Fe0.8O3 was evaluated as a novel negative electrode material for Ni/oxide rechargeable batteries. The structure and morphology of the as-prepared powder was studied by scanning electron microscopy and X-ray diffraction. The electrochemical performance of the perovskite-type oxide was investigated using chronopotentiometric...

Thermo-mechanical characterization of construction material lightened by olive pomace

The development of porous materials requires a thorough knowledge of their physical properties. When used as thermal insulation, the properties that govern their insulating capacity are thermal conductivity, thermal diffusivity and specific heat. The presence of moisture, some of its origin, in buildings causes damage to walls that extend from the formation of mold in complete...

Preparation and characterization of 100% bio-based polylactic acid/palmitic acid microcapsules for thermal energy storage

Phase change materials (PCM) have gained extensive attention in thermal energy storage applications. In this work, microencapsulation of vegetable-derived palmitic acid (PA) in bio-based polylactic acid (PLA) shell by solvent evaporation and oil-in-water emulsification was investigated. Fourier transform infrared spectroscopy and scanning electron microscopy were conducted to...

Synthesis and characterization of sulfated zirconia mesopore and its application on lauric acid esterification

Sulfated zirconia mesopore has been successfully prepared from zirconyl oxychloride using structure directing agent cetyl trimethyl ammonium bromide (CTAB) and (NH4)2SO4. The preparation involved calcination at four different temperatures denoted as MZS (400, 500, 600, and 700 °C) and three different zirconyl-to-CTAB ratios (1:1, 3:1, and 9:1). Characterization of resulting...

Infiltration of commercially available, anode supported SOFC’s via inkjet printing

Commercially available anode supported solid oxide fuel cells (NiO-8YSZ/8YSZ/LSCF- 20 mm in diameter) were anode infiltrated with gadolinium doped ceria (CGO) using a scalable drop-on-demand inkjet printing process. Cells were infiltrated with two different precursor solutions—water based or propionic acid based. The saturation limit of the 0.5 μm thick anode supports sintered at...