Aside from clusters of hydrogen stations in California, the U.S. is largely bereft of the architecture needed to supply the Nexo with
the hydrogen fuel it needs.
Not exact matches
Lunar water could be used for drinking or its components —
hydrogen and oxygen — could be used to manufacture important products on the surface that future visitors to the moon will
need, like rocket
fuel and breathable air.
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.
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.
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
Conventional approaches to compact
hydrogen storage — compressing the gas to up to 10,000 pounds per square inch (psi) or cooling it down to cryogenic temperatures so that it liquefies (around 252 degrees Celsius)-- can attain only about half the energy density
needed to fit enough
fuel inside something the size of a gas tank.
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.
«The
need for clean, safe sources of power in remote areas, especially in developing nations, makes
hydrogen the perfect
fuel choice.»
«Our process also has an important advantage over battery or gaseous -
hydrogen powered vehicle technologies as many of the hydrocarbon products from our reaction are exactly what we use in cars, trucks and planes, so there would be no
need to change the current
fuel distribution system,» said Frederick MacDonnell, UTA interim chair of chemistry and biochemistry and co-principal investigator of the project.
Needless to say, the human body does not produce
hydrogen peroxide
needed to
fuel nanomotors, so Wang and his colleagues are working on ways to synthesize it from glucose.
Inertial confinement is an alternative method in which small capsules of
hydrogen - isotope
fuel are crushed to produce the intense temperature and pressure
needed for fusion to occur.
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.
While ammonia production is critical to humanity, the
hydrogen that is
needed to produce it comes from fossil
fuels.
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
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
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
hydrogen out of water, then convert the
hydrogen back into electricity in a fuel cell when
hydrogen back into electricity in a
fuel cell when
needed.
Mining free
hydrogen gas as a primary
fuel source could change that, but first scientists
need to understand where the gas goes after it's produced.
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.
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 po
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 po
hydrogen will be zero - emission, an important factor given the
need to reduce air pollution.
development of improved
hydrogen fueling station design and requirements, including a broader technical understanding of what is
needed to achieve a national
hydrogen fueling infrastructure.
«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.
It is a vicious cycle: having to load up on all that
hydrogen at ground level makes the rockets heavy, increasing the amount of
fuel they
need to escape the gravitational clutches of Earth.
Agricultural waste and other
fuel feedstocks are packed with oxygen that
needs to be replaced with
hydrogen.
Synthetic
fuels have one particular advantage over batteries or
hydrogen as a route to low - carbon transport: by dropping in exactly where fossil
fuels are used now, they can reduce emissions dramatically without the
need for major new infrastructure or changes in consumer behaviour, which may be decisive in certain cases.
If sufficient
hydrogen is available, nearly all of the carbon in the coal or biomass feedstock to a Fischer - Tropsch plant would end up in the
fuel products and not in the air, eliminating the
need to capture and sequester carbon dioxide, the authors said.
Before they can power your car,
hydrogen fuel cells
need an efficiency boost.
In an artificial photosynthetic system, the oxidation of water molecules into oxygen, electrons and protons (
hydrogen ions) provides the electrons
needed to produce liquid
fuels from carbon dioxide and water.
Ignoring the billions (if not trillions) of dollars
needed to create a station infrastructure, consider
hydrogen production complexity and cost, a process that still relies entirely on fossil
fuels.
Hydrogen fuel cells will be far more likely to be the silver bullet the car industry
needs to sort out pollution.
The Home Energy Station III, which will be displayed at the Show, is a comprehensive system designed to not only supply
hydrogen fuel for vehicles, but also meet home energy
needs by supplying electricity, heat and hot water.
The initial criteria for
fuel cell vehicle ownership, including proximity to
hydrogen refueling stations, driving patterns and vehicle
needs, all played a part in Honda's customer selection process.
A
hydrogen version could also be in the cards, although that's less likely than a hybrid and would
need to at least make use of the
hydrogen fuel cells currently being used in the Toyota Mirai.
The brand says the h - tron uses
hydrogen as its
fuel source to create electricity, delivering 110 kW (148 hp) under normal circumstances, but has a temporary boost of 100 kW (134 hp) when
needed.
For long - distance drivers, Mercedes recommends anyway
fuel cells as an alternative to e-cars: The number of
hydrogen filling stations in Germany is set to increase by 2023 from the current 50 to 400, to cover the daily
needs, especially on the main roads.
The federal budget introduced in March included $ 62.5 million over two years to help build the infrastructure
needed to support alternative
fuel vehicles, including charging stations for electric cars and refuelling stations for vehicles that run on natural gas and
hydrogen.
External
fuel tanks facilitate the refueling of ships in
need of both
hydrogen and quantum
fuel.
Once lauded as the future of clean transportation and energy storage in a variety of other applications,
hydrogen - based
fuel cell systems have a great many barriers to adoption, one of which is lack of
hydrogen infrastructure, and the other is the
need to develop
hydrogen production sources that aren't fossil
fuel - based or that require more energy to produce than can be released in the
fuel cell.
Driving Goals Ultimately, the road trip is to raise the funds
needed to build greater awareness and further the development of
hydrogen gas as a
fuel source.
«I think we
need to think hard about making the automobile dramatically simpler with
hydrogen and
fuel cells,» Burns told Reuters, noting that a
fuel - cell propulsion system had one - tenth as many moving parts as an internal combustion engine.
So not only would
fuel cell development and technology for storing
hydrogen on vehicles
need to be further developed, but the automobile industry's development and production of
fuel cells also would
need to be coordinated with the energy industry's deployment of reformers and the
fuel for them.
The
hydrogen could then be reused to generate electricity when
needed, injected into the heating system or used as low - emission
fuel for
hydrogen fuel - cell cars.
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.
This week, Honda also announced progress with a home - based
hydrogen production system — called the HES IV — that would remove a consumer's
need to find
hydrogen fuel or visit a gas station.
Hydrogen burns in air, so one can easily imagine using hydrogen instead of fossil fuels to supply energy for our transportation needs that can not be met by electric trolleys and
Hydrogen burns in air, so one can easily imagine using
hydrogen instead of fossil fuels to supply energy for our transportation needs that can not be met by electric trolleys and
hydrogen instead of fossil
fuels to supply energy for our transportation
needs that can not be met by electric trolleys and trains.
Dr Frank agrees, noting that the hybridisation would mean cars would
need less
hydrogen on board, and smaller (and thus cheaper)
fuel cells.
This would eliminate the
need to produce
hydrogen or to build
hydrogen fueling stations.
Another disadvantage of the FCV is the cost and space utilized by the
fuel tanks
needed to store
hydrogen.
When power is
needed, the
hydrogen is cleanly and efficiently converted back into power using the same solid oxide system in
fuel cell power generation mode.
German energy company EWE AG wants to test using an underground gas storage cavern for storing
hydrogen produced from wind and solar power, as the
need for regular natural gas storage has declined over the past years — a trend that is bound to continue with the declining use of fossil
fuels, writes Christian Schaudwet for bizz energy.
As Koval points out, even though use of
hydrogen in
fuel cells is growing, the biggest
need is for liquid
fuel to run cars, trucks, trains and planes.