For many applications in consumer electronics and e-mobility lithium ion batteries (LIBs) are the energy source of choice because of their high energy-to-weight-ratio, lack of memory effect and low discharge when not in use. However, [...]
Among the available positive electrode materials, layer structured LiCoO2 is the most preferred one in commercial Li-ion batteries. However, LiCoO2 exhibits a capacity fading at high rates due to its structural instability and reactivity with [...]
In this paper, we report the synthesis and properties of a series of composite polymer electrolytes formed by dispersion of a non-ionic organic plastic material succinonitrile (SN) into poly(vinyl alchole) complexed with magnesium acid salt. [...]
The method of co-extrusion of dissimilar materials has been developed at the PARC, a Xerox Company, to successfully produce high aspect ratio structures for solar cell gridlines. In the solar application, the process is stable [...]
Wireless communication is today considered as a disruptive technology. Indeed, even if wired systems can easily achieve 100% of reliability, it induces high amount of wiring, which has non negligible impact on the mass and [...]
Oxygen ion conducting solid electrolytes have many device applications such as sensors, solid oxide fuel cells, oxygen pumps, electrochemical reactors and steam electrolysis cells. Among these, solid oxide fuel cells (SOFCs) have attracted great attention [...]
The Enhanced Efficiency Turbine is a new hybrid fuel cell turbine with the objectives of increased energy generating and propulsion efficiency derived from existing hydrocarbon fuels. This system is applicable to small, medium, and large [...]
The effects of ammonia (NH3) substitution on the extinction and nitrogen oxide (NOx) emissions of nonpremixed hydrogen (H2)-air flames at normal temperature and pressure were experimentally studied to evaluate the potential of partial NH3 substitution [...]
, Pasala, X.
, Puszynski, J.A.
, Shende, R.V.
, Yelakanti, S.
, South Dakota School of Mines & Technology, US
Solar-driven thermochemical water-splitting using redox materials constitute a promising high-efficiency, self-sustainable pathway for H2 production from water. In this investigation, several un-doped and doped ferrite nanomaterials were synthesized using sol-gel technique and investigated for H2 [...]
A new type of safe storage of NaBH4 of high fuel density providing an easy release of hydrogen is presented. NaBH4 exhibits a high gravimetric storage capacity (2.4 l H2/g). However, rapid hydrolysis reaction already [...]
, Fallahmohammadi, E.
, Fumagalli, G.
, Lazzari, L.
, Re, G.
, Politecnico di Milano, IT
In a previous phase of this research, two sour service pipeline steels, a carbon steel API 5L X65 and a low alloy one ASTM A182 F22, showed a remarkable reduction of the fracture toughness after [...]
Growing fresh water needs have led to increasing interest in desalination using reverse osmosis (RO) membranes, but energy requirements are extreme so renewable sources are sought. Unfortunately, many renewable sources are intermittent and low-intensity while [...]
A high-throughput thin film methodology based on combining molecular beam epitaxy (MBE) atomic sources which can be combined with a high intensity plasma atom source is described. Compositional gradients of both amorphous and crystalline materials [...]
, Ferguson, J.
, Manning, A.J.
, Prada Silvy, R.
, Tan, Y.
, SouthWest NanoTechnologies, US
To realize the potential benefits of incorporating CNT materials in next generation cathodes for Li-ion batteries, we present in this paper the results of incorporating into Li-ion batteries a new generation of SWeNT’s Specialty Multiwalled [...]
Thermic oil based nanofluids are prepared by adding alumina nanoparticles for convective heat transfer study. Experimental study is carried out for the hydrodynamically developer laminar flow under constant heat flux condition. * Convective heat transfer [...]
Thermophysical properties like thermal conductivity and viscosity of thermic fluid based nanofluids are experimentally investigated. * Preparation of thermic fluid based nanofluid * Thermal conductivity measurement * Viscosity measurement
, Mariappan, V.
, Shafeeq, K.P.
, Suresh, S.
, Udayakumar, M.
, National Institute of Technology, Tiruchirappalli, IN
This paper investigate the thermo physical properties such as thermal conductivity and viscosity of Al2O3/DMAC nanofluid both by experimental and theoretical. The Al2O3 nanoparticle is prepared using microwave assisted chemical precipitation method. Then Al2O3/DMAC nanofluid [...]
, Ozay, O.
, Sagbas, S.
, Sahiner, N.
, Yasar, A.
, Canakkale Onsekiz Mart University, TR
There is great need for versatile and smart support materials. As many industrial and biologic reactions take place in water (green chemistry), systems that operates in water and mechanically durable, flexible with controllable porosity, and [...]
In this contribution we will present the use of ILs as green solvents for the sizecontrolled synthesis of metal nanoparticles and the influence of the anion on the size of the synthesized materials (Fig 1). [...]
The risk of bioterrorism events involving the intentional airborne release of contagious agents has led to development of new approaches for bio agent defeat technologies both indoors and outdoors. This report describes nanoenergetic gas generators [...]
Catalytic biomass reforming (CBR) has a great potential for the production of H2 and hydrocarbon fuels. This study reports: i) subcritical aqueous phase liquefaction of biomass using homogeneous catalyst such as Ni(NO3)2 salt for the [...]
Poly (3-hexylthiophene) (P3HT) and modified (functionalized and silanized) multi wall carbon nanotube (MWNT) nanocomposites have been prepared through in-situ polymerization process in chloroform medium with FeCl3 oxidant at room temperature. The composites (P3HT-MWNT) are characterized [...]
we have produced silver nanoparticles using the polyol synthesis and have tailored the ink formulation by choosing a solvent mixture to meet the rheological requirement of industrial printhead (XAAR 1001FF). A solvent mixture which can [...]
, Del Curto, B.
, Diamanti, M.V.
, Magagnin, L.
, Pedeferri, MP.
, Politecnico di Milano, IT
Among possible ways to improve air quality in urban atmospheres, the use of nanostructured TiO2 films as photocatalysts is an excellent way to mitigate the problem, although it cannot offer a complete solution. TiO2 also [...]
Flue gas cleaning at high temperatures can increase thermal efficiency with more importantly to simplify processes and lower cost. The main objective of this work was to investigate the feasibility of simultaneous desulfurization and particulate [...]
The paper discusses the possibility of a synthetic approach to the parameters of PM generated by Diesel engines. The authors felt compelled to realize the task following the obtainment of positive results of the PM [...]
We have developed a fiber optic based sensor for the detection of atmospheric elemental mercury that uses gold nanoparticles as the sensing medium. Previous work has established that the Localized Surface Plasmon Resonance Peak blue-shifts [...]
Electrophorus Electricus (EE) is known to discharge electric voltage through multiple organs based on Reversible Membrane Potential (RMP). We report a new type of supercapacitor for mimicking the EE’s RMP based on an electron-relay nano-biomimetic [...]
Polymer electrolyte membrane fuel cell, PEMFC is an electrochemical energy conversion device that has the potential to be an alternative to internal combustion engines. However, the complexity and slow oxygen reduction reaction (ORR) kinetics on [...]
One of the promising applications of the H2-to-electricity converters is in the field of power smoothing and storage. The technologies currently considered for smoothing and storage have certain problems. The use of hydrogen as a [...]
The need for renewable and sustainable energy is clear. Concentrated Solar Power (CSP) is one means of power generation that is becoming economically viable to meet those needs. CSP however, does have limitations due to [...]
Petrochemicals are quintessential ingredient in most all products, technologies, and conveniences of modern lifestyle, so it is imperative that we eliminate abusing it to fuel modes of progress, and transports. Power Alternative is scientific R&D [...]
, Haddon, R.C.
, Itkis, M.E.
, Jha, N.
, Ramesh, P.
, Carbon Solutions Inc, US
We report a high energy supercapacitor device that utilizes hybrid carbon electrodes and the ionic liquid, 1-butyl-3-methylimidazolium tetrafluoroborate (BMIMBF¬4) as an electrolyte. The hybrid electrodes were prepared from reduced graphite oxide (rGO) and purified single [...]
Journal: TechConnect Briefs
Volume: 3, Nanotechnology 2012: Bio Sensors, Instruments, Medical, Environment and Energy (Volume 3)
Published: June 18, 2012
Industry sectors: Advanced Materials & Manufacturing | Energy & Sustainability
Topics: Energy Storage