Extensive interest is being invested into the research of polymer based nanodielectric films. Such a material provides a more practical energy storage solution primarily for embedded capacitors and can be extended for discrete capacitor devices. [...]
Majority of the portable batteries used today in mobile applications are based on Li+- ion polymer electrolytes and Li-metal electrodes. Li+- salts/Li- metal encounter many serious inherent limitations viz. very reactive, difficult to handle in [...]
, Daniel, L.
, Fusalba, F.
, Mourzagh, D.
, Rouault, H.
, CEA, FR
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 [...]
We recently developed a novel process Carbon Combustion Synthesis of Oxides (CCSO) to rapidly produce high purity, submicron, porous powders of complex oxides. The crystalline LiCoO2 nanoparticles were synthesized by carbon combustion synthesis, and characterized [...]
Nanocrystalline LiCoO2 particles were successfully synthesized using acryl amide assisted polymeric citrate process.The formation of phase pure LiCoO2 was confirmed from XRD results. FTIR results confirmed the formation LiCoO2 structure. SEM results showed the formation [...]
THERMALLY REDUCED GRAPHENE OXIDE BASED SUPERCAPACITORS HAVE BEEN FABRICATED AND TESTED. ELECTRODES BASED ON METAL SUBSTRATE (TI, AISI304, NI, AL) WERE FABRICATED BY EITHER BY ELECTROPHORESIS AND SPRAY COATING OF GRAPHENE OXIDE SOLUTIONS. ELECTROCHEMICAL TEST [...]
Commercial electric double layer capacitors store energy in an electric field. This is caused by charged particles arranged on two electrodes consisting mostly of carbon, in the form of a double layer. Such double layer [...]
Flexible supercapacitors are challenged by low energy density and short discharge time. We report a new type of biomimetic pyruvate dehydrogenase complex (BIMPDC) supercapacitors having the self-assembling membrane (SAM) offer orders of magnitude higher in [...]
Supercaps using ionic liquids (ILs) as novel electrolytes have gained much attention because of their interesting profiles of physical and chemical properties , such as tunable viscosities and conductivities, chemical and thermal stability as well [...]
Nanomaterial suspensions in liquids (nanofluids) are the new expanding area in nanotechnology, with applications as wide as biomedical, lubrication, thermal management, energy generation, energy conversion, and energy storage. Variety and unique characteristics of nanomaterials allow [...]
The presentation reviews the design and technical innovations for storing energy as heat in a graphite core at temperatures far above the melting point of steel. The high temperatures reached, over 4000F, enable storing vast [...]
In micro/nanoelectromechanical systems (MEMS/NEMS) and biomedical devices, the desired on-board power storage and delivery occur in exceptionally small geometric scales, where amount of energy stored on given footprint (J/mm2) precedes that in either unit weight [...]
The phase change materials(PCM) have been used to store energy as a latent heat of fusion. Paraffin oils are proved to be the best suitable material as a PCM, however its heat capacity is lower [...]
In investigation on animals (Vistar rats) was proof that magnetite of nanoparticles (ICNB) are contrast means for malignant tumour visualization. Was been shown that magnetite of nanoparticles have contrast effect when performing magnetic resonance imaging [...]
Decomposition of methanol (DM) to CO and H2 can be catalyzed by Cu-ZnO@C core-shell nanoreactors. It is found that reactivity of DM catalyzed by the nanoreactors increase with an increase in the fractions of ZnO [...]
Municipal street and public space lighting serve critical safety and security functions but their associated costs can be one of the more significant items in O&M budgets. While the concept of Bio LED trees have [...]
Creating a new paradigm, nanomaterials, when used as interfacial modifiers have the potential to significantly alter the energy landscape, given that these processes occur predominantly at interfaces. The key concept is that the nanomaterials serve [...]
, Brodt, M.
, Park, J.W.
, Pintauro, P.N.
, Wycisk, R.
, Vanderbilt University, US
The focus of our research group has been on the use of electrospinning for the fabrication of nanofiber membranes and electrodes for PEM fuel cells. We have demonstrated dramatic improvement in fuel cell performance 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 [...]
Liquid ammonia has both high energy density and high hydrogen storage capacity which makes it suitable for on-board generation of COx free hydrogen by catalytic ammonia decomposition (AD). Cheap catalysts based on cobalt were considered [...]
Manually-pushed carts with rotating wheels are easily seen around us. Also, active RFID has been gaining ground toward commercial usage. Currently possible power supply may be a rechargeable or disposable battery for the reader. The [...]
We use the concept of resonant tunneling to calculate the thermopower of molecular nanosystems. It turns out that the sign of the thermovoltage under resonant tunneling conditions depends sensitively on the participating molecular orbital, and [...]
, Buchholz, D.
, Götz, M.
, Sahin, H.
, Schubert, T.J.S.
, Stiemke, F.
, IOLITEC Ionic Liquids Technologies Inc., US
Ionic liquids are defined as pure salts with melting points below 100°C. Their high heat capacity, low vapor and incombustibly make them to promising candidates as thermal fluids. A limiting factor thereby is the resistance [...]
Greensmith Energy Management System’s control architecture relies on two principles to create the most resilient and rapid control system available today. First, Greensmith builds a distributed network with localized intelligence at the unit level; such [...]
, Bagaria, H.
, Johnson, K.
, Pennell, KD.
, Wang, Y.
, Zhang, X.
, Tufts University, US
Stable paramagnetic nanoparticles were prepared and their mobility in reservoir matrix was measured as a function of particle mass loading, rate of sulfonate fraction in coating polymer, and the presence of surfactant.
Barrera Villar, D.
, Calderón García, P.A.
, Javier Payá-Zaforteza, I.
, Rinaudo, P.
, Sales Maicas, S.
, Torres Górriz, B.
, Universitat Politècnica de València (Spain), ES
Recent events such as the fires on the Channel tunnel (1996), St. Gotthard (2001), the Twin Towers in New York (2001), The Windsor Building in Madrid (2005) and the collapse of the MacArthur Maze in [...]
Energy Catalysis, Inc. developed a direct catalytic liquefaction process for converting low-volatile heavy hydrocarbons such as coal, petroleum residuum, vacuum gas-oil, and tar sand bitumen into clean light liquid fuels. The technology concept was based [...]
A single-ended primary-inductance converter (SEPIC)is a DC/DC converter that has a wide input range and is ideal for a fuel cell. The controller for a SEPIC is often designed heuristically without the consideration of the [...]
In light of the massive storms that have hit the East Coast and the faltering reliability of the Grid, the need to add more distributed generation (DG) and to have more micro-grids is becoming increasingly [...]
Accomplishment: The development of a new cooling mechanism for gas turbines rotors (blades and disks). Cooling mechanism that utilizes a compressed liquid (hydrostatic) pressurized in rotating ducts or pipes with particular physical boundary conditions (no [...]
Nextek is a pioneer in direct current (DC) power networks for buildings. The Nextek Direct Coupling® power distribution platform delivers superior efficiency, flexibility, and reliability to interior electrical circuits and on-site power generation. DC Systems; [...]
, Dowling, K.
, George, R.
, Johnson, B.
, Khan, S.
, Letto, D.
, Starke, M.
, ENBALA Power Networks, CA
With the adoption and integration of renewable resources that are often intermittent in nature, there appears to be an increased need for ancillary services and flexible resources to improve the reliability and efficiency of the [...]
, Cumming, J.
, Fripp, M.
, Garmire, D.
, Kuh, A.
, Oberbeck, A.
, Umeda, M.
, Wilkey, T.
, University of Hawaii at Manoa, US
Existing electrical grid infrastructure designs cannot reliably handle large intermittent power production fluctuations. Providing an autonomous, self-powered, and easily deployable meteorological sensor network can provide the tools to help mitigate this issue. With proper data [...]
The further integration of wind power generation into our power grids from residential and industrial building installations increases the need to gather high spatial resolution wind data. This results in a need for low-cost three-dimensional [...]
Journal: TechConnect Briefs
Volume: 2, Nanotechnology 2013: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational (Volume 2)
Published: May 12, 2013
Industry sector: Energy & Sustainability
Topics: Energy Storage