Sentences with phrase «high current density»

Through a set of experiments, they were able to analyze and quantify how the polymer affects the chemical reaction rate in the sulfur cathode, which is key to achieving high current density and high power with these cells.
Particularly, the OER performance was about 9 times higher than that of state - of - the - art precious metal oxide IrO2 at overpotential of 0.3 V. Furthermore, it also demonstrated notable charge - discharge stability even at high current density in Zn - air batteries.
It is generally accepted that the dendrite problem is exacerbated at high current densities.
They operated their cells at higher current densities, under which one would expect dendrites to form owing to the higher nucleation rates.
Another important element of this work is a special «current - focusing» device architecture which allows the high current densities necessary for achieving optical gain.
Now, a team of researchers led by scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have reported that a new lithium - sulfur battery component allows a doubling in capacity compared to a conventional lithium - sulfur battery, even after more than 100 charge cycles at high current densities, which are key performance metrics for their adoption in electric vehicles (EVs) and in aviation.
One thing to consider is that the high resolution displays come with smaller apperture ratio and thus higher current density.

Not exact matches

Actually, I think it's useful to think of «Big Bang» as a short - hand for «That point in the past when the energy density becomes so high that our current models of physics can't describe what happened».
Job Description: Research interns work directly with Rodale Institute's Research Department to address current and future agricultural needs by conducting high - quality research using regenerative, organic methods for agricultural production and identifying tools and practices to help grow organic agriculture by addressing pest and fertility issues; mitigate and adapt to climate change, and improve human health by addressing nutrient density in crops.
The proposed development by the current owner seeks to build high - density, multifamily housing on 208 acres of woods off Routes 202 and 306 outside Pomona.
The Senate's version of the transportation bill, passed earlier this year, would not cut the current funding high density areas like New York receive.
Current law allows these high density areas to receive the extra funding because they account for half of all transit in the country.
Current observatories could also help reveal what makes spinning neutron stars called pulsars tick, mapping their starquake - shaken interiors and any centimeters - high «mountains» (which would weigh roughly the mass of a planet because of neutron stars» extreme density) that could pop up on their surfaces.
«It has really surprised us, and this data is important for understanding the energy density of the ring current and the effects on the higher energy particles.»
All bone mass density values were significantly higher in current users compared to past users or participants who had never used MHT.
We show that repeated doses of high - current - density healing treatment enables the safe cycling of Li - sulfur batteries with high coulombic efficiency.
These promising new directions include higher fusion power densities, and hence smaller reactors; development of «transport barriers» in the plasma, leading to improved energy confinement and smaller sizes; self - driven plasma currents that permit steady - state operation and low recirculating power; and the development of advanced divertor concepts to provide particle control and heat removal over long reactor lifetimes.
«In microelectronics, this approach to growing high - density carbon nanotube forests on conductors can potentially replace and outperform the current copper - based interconnects in a future generation of devices,» says Cambridge researcher Hisashi Sugime.
When the current density was high enough the surface of this anode was etched away by the electrolyte, hydrofluoric acid, leaving a smooth, reflective surface.
Batteries with multivalent cathodes (which have multiple electrons per mobile ion available for charge transfer) are promising candidates for reducing cost and achieving higher energy density than that available with current lithium - ion technology.
The aim of the current research project is to develop high energy density batteries using organic materials for a sustainable way of storing energy.
The implication is that the current epidemic is the result of a familiar virus invading a new geographical area where conditions for it to spread are highly favourable, with high densities of people who have never been exposed to Zika virus before, and large numbers of the mosquitoes which transmit the virus.
In the current study, no positive association between the consumption of high - fat dairy products and weight gain was observed that might have been expected because of the higher energy density of these products.
A recent study (2) showed that the current use of multivitamins and minerals in premenopausal women was associated with a significant 5.3 % higher mean mammographic breast density (after adjustment for potential confounders), which is strongly and positively related to breast cancer risk.
The presentation will illustrate and explore the current range of existing and proposed innovative UK and international high density and multi-storey schools, including recent examples from Scott Brownrigg and other practices, and consider the benefits and constraints.
The Electric Power Control Unit (EPCU) features a highly integrated and high - power - density inverter, which supplies power to the motor and transfors AC to DC current to charge the HV battery system.
At 9.7 in, the higher resolution screen has a pixel density of 264ppi - much better than the current iPad's 132ppi, but not quite up there with the 326ppi iPhone 4S «retina display».
Samsung's current highest - density OLED in production is the 5.1» QHD (2560x1440, 577 PPI) Super AMOLED display used in the GS6.
In this Handbook of Experimental Pharmacology on «High Density Lipoproteins — from biological understanding to clinical exploitation» contributing authors (members of COST Action BM0904 / HDLnet) summarize in more than 20 chapters our current knowledge on the structure, function, metabolism and regulation of HDL in health and several diseases as well as the status of past and ongoing attempts of therapeutic exploitation.The book is of interest to researchers in academia and industry focusing on lipoprotein metabolism, cardiovascular diseases and immunology as well as clinical pharmacologists, cardiologists, diabetologists, nephrologists and other clinicians interested in metabolic or inflammatory diseases...
But Jon Talton, the economics columnist for the Seattle Times, points out that while current urbanites now embrace «high - density, environmentally friendly living,» their focus on the importance of proximity invariably necessitates having a disposable - income lifestyle — and that's become a double - edged sword for many.
«Part of it still exists in many of the current high density housing apartments where the only view out the window is neighbour's.
Job Description: Research interns work directly with Rodale Institute's Research Department to address current and future agricultural needs by conducting high - quality research using regenerative, organic methods for agricultural production and identifying tools and practices to help grow organic agriculture by addressing pest and fertility issues; mitigate and adapt to climate change, and improve human health by addressing nutrient density in crops.
There is, however, a large global marine current resource potential which possesses a number of advantages over other renewables, such as its higher energy density, highly predictable power outputs, independence from extreme atmospheric fluctuations and a zero or minimal visual impact.
As you can see, they found that tree density was significantly higher (in eight of nine forest types) in the current era of high carbon dioxide, when compared to the early period when concentrations were around 306 ppm, only about 10 percent above the pre-industrial background.
Onboard hydrogen (H2) storage, whether as a gas, liquid or chemically adsorbed in another material, enabled higher energy density than then - current batteries, giving an FCV significantly greater potential range than a comparable electric vehicle (EV).
Kniveton and Todd [2001] found evidence of a statistically strong relationship between cosmic ray flux, precipitation and precipitation efficiency over ocean surfaces at midlatitudes to high latitudes, and they pointed out that their results are broadly consistent with the current density - cloud hypothesis.
He doesn't go for fads, eschewing the current «density is green» to note that «high density urbanism can not be our only model if we are to create a world that a diverse spectrum of people want to live in.»
In addition, the cameras are usually of lower (but generally passable) quality, and the screens don't commonly have the high pixel density, super-sharp displays of current - generation handsets.
We presently have major traffic conjestion; heritage buildings at risk of redevelopment and excessive high density in the Entertainment and Theatre District where current condo owners are expressing concerns of too much change to an area where they were expecting theatre, restaurants, sports and entertainment venues.
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