Sentences with phrase «fuel cells need»

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

The fuel cell needs to have a converter built into the car that can convert gas to hydrogen from gas or water, then it is used in the fuel cell to create the energy to power the car.

Not exact matches

As we read this history, the furor over stem cells was fueled by numerous factors: the near - universal human desire for magic; patients» desperation in the face of illness and their hope for cures; the belief that biology can now do anything; the reluctance of scientists to accept any limits (particularly moral limits) on their research; the impact of big money from biotech stocks, patents, and federal funding; the willingness of America's elite class to use every means possible to discredit religion in general; and the need to protect the unlimited abortion license by accepting no protections of unborn human life.

This drink provides an instant boost of fuel that will go straight to your cells, and it helps replenish depleted muscles with much needed electrolytes, vitamins, and protein.

Anabolic steroids work by helping the body's muscle cells produce more protein which, as long as the athletes works out, leads to increased muscle size and strength and, at the same time, also allows the body to produce more ATP, the «fuel» muscles need to move.

If an individual's turbines or panels produce an excess of energy, it can be transferred to other customers in the grid or stored in fuel cells until it is needed.

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

The Policy The federal government needs to support, through policy and direct R&D funding, the development and adoption of biofuels, wind farms, solar panels, and hydrogen fuel cells.

Developers of fuel cells and other conversion devices also need to improve the control of heat.

«Because platinum is a rare metal, a lot of the expense that goes into manufacturing hybrid vehicles is coming from the platinum needed to catalyze fuel cells,» said Paul Thibado, a professor of physics at the University of Arkansas.

The exciting implication is that next - generation wastewater treatment plants could use new technologies, including microbe - powered fuel cells, to capture enough methane, hydrogen, and other fuels from wastewater to generate all the energy they need, and then some.

To make it commercially, such fuel cells would need to produce at least 500 mW / cm2, according to the U.S. Department of Energy (DOE).

It turns out they are indispensable for a range of urgently needed green energy technologies such as wind turbine generators, low - energy lighting, fuel cells, rechargeable batteries, magnetic refrigeration and hydrogen storage.

Fuel cell vehicles produce zero tailpipe emissions, but the entire hydrogen production stream needs to be low - carbon

«The type of catalyst we are studying is the one that will be needed in these fuel cells.»

For a typical paper - recycling factory, one Emefcy fuel cell module, which is about the size of a cubic meter, could treat about three cubic meters per day of wastewater depending on the amount of organic material present, according to Cohen, and the modules can be scaled to meet the needs of larger or smaller plants.

With fuel cells, as with batteries, «there is still the need for substantial cost reduction,» Moniz said.

Currently, electrolyzers (machines that split water into its constituent hydrogen and oxygen) need a catalyst, namely platinum, to run; ditto fuel cells to recombine that hydrogen with oxygen, which produces electricity.

They still need to make a cheap, durable fuel cell.

While they still can't store as much total energy as a fuel cell or a battery, ultracapacitors — also known as electrochemical capacitors — can supply the burst of energy needed to accelerate up a hill or around another car on the highway.

The reason for the reduced glucose levels associated with bacterial meningitis was believed to be the need for glucose as fuel by infiltrating immune cells in response to infection.

Autophagy — an essential process cancer cells need to fuel their growth — is a key troublemaker spurring tumor growth.

However, the number of photovoltaic cells needed for such devices mean it can not compete on price with fossil fuels, says Daniel Gamelin, a chemist at the University of Washington in Seattle.

The human body works best when the supply of fuel equals the exact energy needs of its cells.

Even in the half or so of all diabetes cases that seem to be related to genes that have programmed a person's cells to need less fuel, exercise and moderate diet changes can work wonders if the progress of insulin resistance is noticed soon enough during regular checkups.

Artificial muscles made with carbon nanotubes or a shape memory alloy can be designed to act as fuel cells, thus alleviating a need for a remote battery power source.

One fundamental goal of diabetes treatment is to preserve and restore functional beta cells, thereby replenishing levels of a hormone called insulin, which moves blood glucose into cells to fuel their energy needs.

Should the market demands for hydrogen fuel increase with the introduction of fuel cell electric vehicles, the U.S. will need to produce and store large amounts of cost - effective hydrogen from domestic energy sources, such as natural gas, solar and wind, said Daniel Dedrick, Sandia hydrogen program manager.

The answer, we felt, was «No,»» said energy secretary Steven Chu in a briefing on the budget for reporters yesterday, citing the need for better fuel cells and a near complete lack of infrastructure.

Hydrogen Hydrogen - based energy storage looks great on paper: Use electricity to split hydrogen out of water, then convert the hydrogen back into electricity in a fuel cell when needed.

As a result, cancer cells must alter their metabolism to provide the additional fuel needed for them to survive, grow and spread.

The carmaker realized that if its vision of battery - powered electric vehicles gaining mass appeal in tandem with fuel cell electrics was to come true, it needed to so something about the lack of hydrogen infrastructure.

«A nano solution is needed to mass - produce resource - efficient catalysts for fuel cells.

Hydrogen is clean - burning, producing only water vapor as waste, so fuel - cell vehicles using hydrogen will be zero - emission, an important factor given the need to reduce air pollution.

«We think H2FIRST can help improve the path for hydrogen fuel cell vehicles by creating opportunities for private industry to pool their resources to address infrastructure needs,» said Sandia's Dedrick.

At the same time, fuel cell durability has doubled and the amount of expensive platinum needed in fuel cells has fallen by 80 % since 2005.

«To increase performance, we need to study what takes place inside batteries or fuel cells — understand processes at the interface in real time as the reactions are happening,» said Dr. Venkateshkumar Prabhakaran, first author of the study.

The retinal neurons rely on their supporting cells, such as retinal pigment epithelium (RPE) cells, to provide them with the fuel to meet their energy needs.

To keep a microbial fuel cell going, you just need to feed the bacteria.

Meals full of a mix of macronutrients not only fuel you up with what your cells need to proliferate, but they also turn off hunger hormones and elongate your blood sugar curve.

Some people feel extremely hungry and may experience sudden or unexplained weight loss because the cells of the body aren't getting the sugar they need as a fuel source.

The sum result of WGA mimicking insulin is that your fat cells grow, your calorie consumption rises, your brain cells don't get the fuel they need (leading to brain fog), and muscle tone reduces.

And when lectins take up residence on insulin receptors on nerve cells, your neurons never get the energy that they need, and so they continually send a message that you're hungry in hopes of getting more fuel.

Up your exercise so that your cells, especially your muscles, are in need of fuel.

It doesn't matter at all if they come from grains and carbohydrates (which raise the blood sugar, get stored as fat and wreak havoc on the body) or proteins (which are needed for important functions like cell repair) or fats (which are a much more dense and effective source of fuel).

In every cell of your body, biotin is needed to break down the nutrients (protein amino acids, carbohydrates, and fatty acids) from your food for fuel.

Each of our cells need fuel to survive.

When people talk about being more Insulin sensitive, that means you need less Insulin to fit into the receptor site to pull that Glucose into the cell to utilize it for fuel or store as fat — one of the two, right?

«As it was explained to me by Craig Thompson, who has done much of this research and is now president of Memorial Sloan - Kettering Cancer Center in New York, the cells of many human cancers come to depend on insulin to provide the fuel (blood sugar) and materials they need to grow and multiply.

Also, while ketones can replace glucose as a fuel, they can not glycosylate proteins, or generate ROS in the manner needed by immune cells.