These devices work best at
converting hydrogen gas and oxygen to water and electricity, and even work at lower temperatures around 600 °C.
The stack
converts hydrogen gas stored onboard with oxygen from the air into electricity, which powers the vehicle's electric motor.
Not exact matches
For example, the nanoparticle catalyst
converted 99 % of dimethylphenylsilane to the corresponding silanol in just 9 min at room temperature, releasing an equimolar amount of
hydrogen gas at the same time.
This methane would have been slowly
converted to
hydrogen and other
gases, in a process similar to that occurring today on Saturn's moon, Titan.
Enhancing the availability of CNG cars could also bring natural
gas to more fueling stations, which could be
converted to
hydrogen on - site and help overcome FCEV's infrastructure speed bump.
Draths and Frost were able to complete the final stage, in which muconic acid is
converted to adipic acid by
hydrogen gas and a platinum catalyst, without having to separate the muconic acid from the crude culture medium.
If clouds of
hydrogen also cluster around quasars — which
convert all nearby neutral
hydrogen to invisible ionized
gas — then quasars must have ionized more
hydrogen than astronomers had assumed, Savaglio says.
That
hydrogen can be stored and
converted into renewable electricity, or used as a clean alternative to natural
gas to heat and light buildings.
For each type of biofuel, nearly all the fuel was
converted and about 70 percent of the
hydrogen bound up in the fuel molecules was given off as
gas, the researchers report in this week's Science.
Researchers at the University of Minnesota have developed a new, carbon - neutral way to
convert vegetable - based fuels to syngas, a breakthrough that could allow producers to power
hydrogen fuel cells or create a replacement for America's dwindling supplies of natural
gas, all without relying on fossil fuels.
This shows the reaction mechanism for
converting hydrogen fluoride (HF) impurity from the electrolyte into lithium fluoride (LiF) in the solid - electrolyte interphase (SEI) with release of
hydrogen gas (H2).
Currently, about 95 percent of
hydrogen production worldwide comes from
converting fossil fuels such as natural
gas into
hydrogen — a process that releases large quantities of carbon dioxide into the air, said Maher El - Kady, a UCLA postdoctoral researcher and a co-author of the research.
One way producers remove acetylene is to add
hydrogen gas in the presence of a palladium catalyst to
convert the poisonous acetylene into ethylene — the primary component needed to make polyethylene resin.
Nocera is still seeking a cheap way to
convert hydrogen ions into
hydrogen gas and an efficient way to get electricity from photovoltaic panels to the catalyst.
In their version of the proposed DOE budget for fiscal year 2015, which begins 1 October, House appropriators zero out funding for the Joint Center for Artificial Photosynthesis (JCAP), which seeks to develop a technology to
convert sunlight to a fuel such as
hydrogen gas.
As children get older, the lactase gene is gradually disabled, which means that no lactase is formed and the lactose enters the colon undigested, where it is typically
converted into acids and
hydrogen gas and, in many people, causes the painful symptoms of lactose intolerance.
The
hydrogen can then be
converted into hydrocarbon fuels or simple
hydrogen gas.
With little oxygen available to
convert that
hydrogen into water,
hydrogen gas probably accumulated in the atmosphere and oceans in concentrations as high as hundreds to thousands of parts per million.
Generation of
hydrogen gas must also be energy efficient to
convert all of the electricity to chemical energy in
hydrogen.
Researchers at Tohoku University in Japan have developed a one - pot process to
convert cellulose to n - hexane in the presence of
hydrogen gas.
BMW Manufacturing has launched the first phase of an integrated program of work with the intent to validate the economic and technical feasibility of
converting landfill
gas (LFG) into
hydrogen.
It will focus on catalyst development for four applications: proton exchange membrane fuel cells to
convert stored energy in non-fossil fuels into electricity; electrolysers for splitting water into oxygen and
hydrogen — a potential clean fuel cell source; syngas, a mixture of CO and H2, which is generated from coal,
gas and biomass, and widely used as a key intermediate in the chemical industry; and lithium - air batteries.
Currently, fertilizer is made using natural
gas (steam reforming of methane to generate
hydrogen to feed into the Haber process)-- but with the new advances (http://www.greencarcongress.com/2008/07/researchers-at.html), it should be possible to generate that
hydrogen directly from water using sunlight; feed the
hydrogen into the Haber process (energy expensive, true, but doable), and then you have your ammonia,
convert half of that to nitrate, and there you have your ammonium nitrate fertilizer, which currently accounts for about 1/2 of all agricultral fossil fuel use.
The Fischer - Tropsch process is a chemical reaction that uses catalysts to
convert two
gases, carbon monoxide and
hydrogen, to liquid fuels in a simple, one - step process.
It's actually quite remarkable what's happening:
Hydrogen and air flow into a fuel cell, which
converts the
gasses into electricity and heat.
So, what if all transportation vehicles / engines currently using diesel, petrol / gasoline, LPG, or Natural
gas were over-time progressively
converted to either purely rechargeable EVs or
Hydrogen Fuel Cell EVs or
Hydrogen Fueled HICEVs or HYBRID rechargeable EVs combined with
Hydrogen Fuel Cell / HICEVs between 2030 to 2050 across the entire world?
Why do you ignore
gas turbine generators powered by
hydrogen to recover the energy stored in the
hydrogen and
convert it to electric power?
Currently, fertilizer is made using natural
gas (steam reforming of methane to generate
hydrogen to feed into the Haber process)-- but with the new advances (/ / www.greencarcongress.com/2008/07/researchers-at.html), it should be possible to generate that
hydrogen directly from water using sunlight; feed the
hydrogen into the Haber process (energy expensive, true, but doable), and then you have your ammonia,
convert half of that to nitrate, and there you have your ammonium nitrate fertilizer, which currently accounts for about 1/2 of all agricultral fossil fuel use.
«The large amount of energy required to isolate
hydrogen from natural compounds (water, natural
gas, biomass), package the light
gas by compression or liquefaction, transfer the energy carrier to the user, plus the energy lost when it is
converted to useful electricity with fuel cells, leaves around 25 % for practical use.»
Currently, about 95 percent of
hydrogen production worldwide comes from
converting fossil fuels such as natural
gas into
hydrogen — a process that releases large quantities of carbon dioxide into the air, said Maher El - Kady, a UCLA postdoctoral researcher and a co-author of the research.
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.
The best way to do this, in my opinion, is using a fuel cell — a device that can electrochemically
convert natural
gas into a useable fuel by stripping off the
hydrogen portion of the methane molecule and combining it with oxygen to generate clean electricity and some waste heat.
Converting from natural
gas to
hydrogen power stations is actually the major part of the 40 - year Japanese
hydrogen energy economy plan.
Exciting new technologies are assisting with this transition: some
convert fast growing grasses to ethanol using biochemistry, some
convert waste into
gases (a mix of
hydrogen and carbon monoxide called synthesis
gas) that are then
converted into ethanol, and others use algae or other microorganisms to make fuel directly from water or sunlight.
I did a lot of math on this and honestly, the ONLY way I could find to reasonably integrate large amounts of wind / solar... is to
convert most of it into
hydrogen, storing WEEKS WORTH in vast, metal lined, bored tunnels (or just huge arrays of tanks) near conventional
gas fired turbine power plants... and JUST BURN IT in the power plant as fuel to buffer out the remainder of the wind / solar that's actually providing electricity.
The coal would be
converted into a
gas and then into
hydrogen, for potential use in powering fuel cells.
Initially the energy input for the heat grids would be mostly from
gas, but all the
gas - fired industrial CHP and urban CHP&P capacity would be progressively
converted to
hydrogen, piped in from coal and biomass CCS gasifiers.