Sentences with phrase «fuel cell efficiencies»

Via MIT via Daily Tech More on MIT Inventions MIT: Move Over Batteries, Here Come the Nanotube - Enhanced Capacitors MIT Solar Concentrator Improves Solar Cell Efficiency and Design Options A Behind the Scenes Look at MIT's Algae Photobioreactor (VIDEO) MIT Boosts Methanol Fuel Cells Efficiency by 50 %

Not exact matches

The Chinese government hopes to avoid an auto - driven environmental apocalypse both by mandating increasing fuel efficiency but also by pushing these domestic vehicle manufacturers for homegrown hybrid, electric and fuel - cell vehicles under its «863» program — deriving its name from its launch back in March 1986.

A LUNG - inspired hydrogen fuel cell can cut the amount of expensive catalyst needed and increase efficiency, its designers claim.

Fuel - cell - powered vehicles could offer more than twice the efficiency of today's autos.

GM's fuel cell SUV, Sequel, operates with an energy efficiency equivalent to 39 miles per gallon of gasoline.

The scientists have devised a new manufacturing technique that could boost the efficiency of an inexpensive type of solar cell by up to 50 %, making the technology an economically feasible alternative to fossil fuels in the search for sustainable energy.

A downside of fuel cells, however, is that they have a capital cost in the thousands of dollars per kilowatt of capacity, and the round - trip efficiency through the electrolyzer to the fuel cell and then back into current is less than 50 percent — meaning that for every two kilowatt - hours put in the bank, only one comes back out again.

DOE Office of Science, Basic Energy Sciences and Office of Energy Efficiency and Renewable Energy, Fuel Cell Technologies Program (catalyst mass activity and durability).

«Also, the PEM fuel cells exhibit high efficiency in electric energy generation.»

But so is the cost of any method of reducing greenhouse gas emissions enough to make a similar difference — whether it's doubling the fuel efficiency of every single car and truck on the road (which would cost a few trillion dollars and take at least 15 years) or building scores of new wind turbines for each turbine already turning today or erecting hundreds of new solar cell arrays for every array in use today.

«We compared the efficiencies of [the port's] diesel engines versus fuel cells, studied the energy efficiencies at various power levels and estimated the savings and reductions in emissions that would be realized if they were to convert to a fuel cell - powered operation,» Pratt said.

If this level of efficiency is possible to achieve in a fuel cell, the amount of required platinum would be comparable to what is used in an ordinary car catalytic converter.

Those electric cars — combined with improvements in the fuel efficiency of existing internal combustion engines, new hybrid power trains and even fuel - cell vehicles — could begin to reduce the roughly $ 1 billion a day the U.S. spends on imported oil.

Fuel - cell vehicles are therefore hybrids and will likely also deploy regenerative braking, which recovers energy from waste heat, a key capability for maximizing efficiency and range.

The work of investigators at the ITQ, developed together with the University of Oslo and American multinational company CoorsTek, will make it so that vehicles with a hydrogen fuel cell can be recharged with an energetic efficiency and simplicity similar to that of a battery electric vehicle.

Solid oxide fuel cells (SOFCs), based on an oxide ion conducting electrolyte, have several advantages over other types of fuel cells, including relatively inexpensive material costs, low sensitivity to impurities in the fuel, and high overall efficiency.

Established by the Energy Department's Fuel Cell Technologies Office in the Office of Energy Efficiency and Renewable Energy, the Hydrogen Fueling Infrastructure Research and Station Technology (H2FIRST) project will draw on existing and emerging core capabilities at the national labs and aim to reduce the cost and time of new fueling station construction and improve the stations» availability and reliaFueling Infrastructure Research and Station Technology (H2FIRST) project will draw on existing and emerging core capabilities at the national labs and aim to reduce the cost and time of new fueling station construction and improve the stations» availability and reliafueling station construction and improve the stations» availability and reliability.

«The efficiency is better than platinum in terms of oxygen reduction, permitting one to sidestep the most prohibitive hurdle in fuel - cell generation — the cost of the precious metal,» he said.

Its developers hope that with some further optimization, the warm fuel cell will create higher voltages at greater efficiencies than its predecessors

KTU researchers are testing the qualities and biocompatibility of MFC anodes, as the efficiency of microbial fuel cells by large part depend on them.

Researchers of Kaunas University of Technology (KTU), Lithuania are working on improving the efficiency of microbial fuel cells (MFC) by using modified graphite felt.

«In spite of their higher costs now, the higher efficiency and zero emissions from fuel cells are enough to convince many companies not to wait to implement this technology.

High - capacity, long - life batteries; fuel cells; the high - efficiency «smart» electricity grid; clean coal and other technologies can help improve the environment, increase efficiency and conserve energy.

Before they can power your car, hydrogen fuel cells need an efficiency boost.

Through our Vehicle, Bioenergy, and Fuel Cell Technologies Offices, EERE advances the development of next - generation technologies to improve plug - in electric and other alternative - fuel vehicles, advanced combustion engine and vehicle efficiency, and produce low - carbon domestic transportation fuFuel Cell Technologies Offices, EERE advances the development of next - generation technologies to improve plug - in electric and other alternative - fuel vehicles, advanced combustion engine and vehicle efficiency, and produce low - carbon domestic transportation fufuel vehicles, advanced combustion engine and vehicle efficiency, and produce low - carbon domestic transportation fuels.

These projects will receive funding support from DOE's Office of Fossil Energy (FE), and the Office of Energy Efficiency and Renewable Energy's Fuel Cell Technologies Office (FCTO) and Vehicle Technologies Office (VTO), subject to appropriations.

Funding: This work was supported by the U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy, Fuel Cell Technologies Office.

Production of fuel cells, electrolyzers and hydrogen storage tanks with lower cost and higher efficiency will be enabled by the work in Research Area 2 (lead by SINTEF).

Clarity Hybrid joins its siblings, Clarity Fuel Cell and Clarity Electric, in providing impressive efficiency with no or low emissions.

Furthermore, with the fuel cells arranged vertically in the centre tunnel for new high - efficiency packaging, Honda was able to achieve a compact yet robust fuel cell stack, enough to put out 100 kW of power.

The interior strives to achieve harmony between man and machine by taking advantage of new powertrain packaging efficiencies delivering even greater passenger space than its predecessor, the 4 - passenger Honda FCX Clarity fuel - cell vehicle.

Honda's next - generation fuel cell - electric vehicle will feature a fuel cell powertrain packaged completely in the engine room of the vehicle, allowing for efficiencies in cabin space as well as flexibility in the potential application of FC technology to multiple vehicle types in the future.

Jeep Commander 2: The Chrysler group calls the Commander 2 North America's first drivable hybrid electric fuel - cell vehicle because it combines the fuel efficiency and low emissions of a fuel cell with the performance and efficiency of a gasoline - electric hybrid powertrain.

The Provoq has a sleek, athletic shape that builds on the second generation of Cadillac's design renaissance, led by the 2008 CTS, with dynamic and purposeful features that support the hydrogen fuel cell powertrain and contribute to the vehicle's overall efficiency.

Honda Environmental Leadership Honda's diverse portfolio of alternative fuel vehicles has included numerous technologies to improve fuel efficiency and reduce CO2 emissions including the first EV leases in California (1997 Honda EV Plus), the retail introduction of America's first hybrid (1999 Honda Insight), delivery of the first fuel - cell electric vehicle in the U.S. (2002 Honda FCX), five generations of the Civic Natural Gas (first introduced in 1998) and the first gasoline - powered vehicles in the hands of consumers to meet stricter emissions standards.

Like a gas - electric hybrid, it uses a lithium ion battery to assist the fuel cell during acceleration and capture energy through regenerative braking, thus improving fuel efficiency.

Hyundai's fuel efficiency campaign — dubbed «Hyundai Blue Drive» — features a range of advanced technologies, including hybrids powered by lithium batteries, turbocharged gasoline direct injection, and eventually plug - in hybrids and fuel cell electric vehicles.

The graph above charts the contributions played by improved efficiency and adoption of renewable electricity sources as well as hydrogen fuel cells (with the hydrogen generated with renewable energy).

It could also * potentially * be used for storage of power from intermittent sources such as wind and solar — I stress potentially, because as yet the process isn't practical due to low efficiency and the cost of electrolyzers and fuel cells.

The large ship engines operate more efficiently and at less cost than most fuel cells, and hydraulic hybrids use the energy with double efficiency.

Instead, Sierra Club Canada advocates a sensible mix of solutions, involving the highest possible level of energy efficiency by North American households and businesses alike, the deployment of renewable sources such as wind and solar power, and a widespread shift to new, innovative technologies like hybrid and fuel cells to move people and goods around.

CARB is still trying to ignore the fact that hydrogen fuel cells will not be operating in many cars ever, and in fact any hydrogen fuel cells should be operated instead in a stationary situation to use the heat in a cogeneration system to charge batteries for plug in hybrids whilst providing heat or cooling to a building and to use their high efficiency 24 hours a day instead of a few hours commuting.

Interconversion between electrical and chemical energy is intermediate in efficiency — for rechargeable batteries typically about 70 - 80 % (round trip), for fuel cells it can range from 40 % to 90 % or so.

Diesel and other engines can now get efficiencies nearly as good as fuel cells at far less cost, and the slightly lower efficiency is more than compensated for by useful heat recovery.

A new, stable artificial photosynthesis device doubles the efficiency of harnessing sunlight to break apart both fresh and salt water, generating hydrogen for use in fuel cells.

The U.S. Department of Energy's Fuel Cell Technology Program claims that, as of 2011, fuel cells achieved 53 — 59 % efficiency at one - quarter power and 42 — 53 % vehicle efficiency at full power, and a durability of over 120,000 km (75,000 mi) with less than 10 % degradatFuel Cell Technology Program claims that, as of 2011, fuel cells achieved 53 — 59 % efficiency at one - quarter power and 42 — 53 % vehicle efficiency at full power, and a durability of over 120,000 km (75,000 mi) with less than 10 % degradatfuel cells achieved 53 — 59 % efficiency at one - quarter power and 42 — 53 % vehicle efficiency at full power, and a durability of over 120,000 km (75,000 mi) with less than 10 % degradation.

«Emissions from Photovoltaic Life Cycles» found that even when accounting for the metals required to build PV cells, the efficiency of the cells, and the waste produced, PV cells still emit less global warming pollution throughout their life cycle than the fossil fuels needed to produce the same amount of power.

«Ceramic Fuel Cells has achieved electrical efficiency of 60 percent, far higher than any other technology in the rapidly expanding global market for small scale power and heating generators.

Reductions from electric vehicles and fuel cell vehicles are split into an energy efficiency improvement component and a fuel switching component.

As a result, fuel cells improve the efficiency of the electricity system, supporting Governor Andrew M. Cuomo's ambitious clean energy goals to reduce greenhouse gas emissions 40 percent by 2030.