Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Transparent, electrically conductive network of encapsulated silver nanowires

A transparent electrode with high electrical conductivity has been developed for solar cells and other optoelectronic components -- that uses minimal amounts of material. It consists of a random network of silver nanowires that is coated with aluminium-doped zinc oxide. The novel electrode requires about 70 times less silver than conventional silver grid electrodes, but possesses comparable electrical conductivity.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News A cost-effective solution to tuned graphene production

Graphene has been called the miracle material but the single-atomic layer material is still seeking its place in the materials world. Now a method to make 'defective' graphene could provide the answer. Scientists now report that they have developed a simple electrochemical approach which allows defects to intentionally be created in the graphene, altering its electrical and mechanical properties and making the material even more useful.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Research explores future energy security of China

China needs to reduce its dependence on coal and improve the range of fuels it uses if it is to have long term energy security, according to new research. The study looks at the future of electricity supply in China and the issues it faces in reducing its carbon emissions -- nationally China's electricity sector accounts for more than half its total greenhouse gas emissions.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Meet the high-performance single-molecule diode

Researchers have created the world's highest-performance single-molecule diode. Development of a functional single-molecule diode is a major pursuit of the electronics industry.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Mechanism of an enzyme for biofuel production

Missing link in microbial cellulose decomposition


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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Powerful, efficient ceramic fuel cells could enable in-home production of electricity from natural gas

The development of affordable and efficient ceramic fuel cells that could be used to power homes is the culmination of five years worth of work, investigators say. The research would enable more efficient use of natural gas for power generation through the use of fuel cells that convert the chemical energy of a fuel source into electrical energy close to where it is used, the authors of a new study explain.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Ultra-thin hollow nanocages could reduce platinum use in fuel cell electrodes

A new fabrication technique that produces platinum hollow nanocages with ultra-thin walls could dramatically reduce the amount of the costly metal needed to provide catalytic activity in such applications as fuel cells.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Boosting gas mileage by turning engine heat into electricity

Automakers are looking for ways to improve their fleets' average fuel efficiency, and scientists may have a new way to help them. The team reports the development of a material that could convert engine heat that's otherwise wasted into electrical energy to help keep a car running -- and reduce the need for fuels. It could also have applications in aerospace, manufacturing and other sectors.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Fossil fuel emissions will complicate radiocarbon dating

Fossil fuel emissions could soon make it impossible for radiocarbon dating to distinguish new materials from artefacts that are hundreds of years old.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Nanowires give 'solar fuel cell' efficiency a tenfold boost

Researchers have developed a very promising prototype of a new solar celll. The material gallium phosphide enables their solar cell to produce the clean fuel hydrogen gas from liquid water. Processing the gallium phosphide in the form of very small nanowires is novel and helps to boost the yield by a factor of ten. And does so using ten thousand times less precious material.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News New fuel-cell materials pave the way for practical hydrogen-powered cars

Hydrogen fuel cells promise clean cars that emit only water. Several major car manufacturers have recently announced their investment to increase the availability of fueling stations, while others are rolling out new models and prototypes. However, challenges remain, including the chemistry to produce and use hydrogen and oxygen gas efficiently. Today two research teams report advances on chemical reactions essential to fuel-cell technology.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Molecular fuel cell catalysts hold promise for efficient energy storage

In the quest for better, less expensive ways to store and use energy, platinum and other precious metals play an important role. They serve as catalysts to propel the most efficient fuel cells, but they are costly and rare. Now, a metal-free alternative catalyst for fuel cells may be at hand.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Are fuel cells environmentally friendly? Not always

Fuel cells are regarded as the technology of the future for both cars and household heating systems. As a result, they have a key role to play in the switch to renewable energies. But are fuel cells always more environmentally friendly? An international team of scientists performed a series of calculations and reached a conclusion: It depends on the fuel.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Clay sheets stack to form proton conductors

A researcher employs a clay typically used for gardening to develop a proton-conducting, bulk nanostructured material.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Sensitive and specific: New way of probing electrolyte/electrode interfaces

Researchers have developed a new technique that enables sensitive and specific detection of molecules at the electrode/electrolyte interface. This new method uses diffraction from graphene gratings to overcome key difficulties associated with traditional optical spectroscopy that employs infrared probing of buried interfaces.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Hastening the dawn of hybrid rocket engines

Hybrid rocket fuel research by mechanical engineers could hasten the day when a simpler, safer hybrid engine propels space missions.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Effective conversion of methane by a new copper zeolite

A new bio-inspired zeolite catalyst might pave the way to small scale 'gas-to-liquid' technologies converting natural gas to fuels and starting materials for the chemical industry. Investigating the mechanism of the selective oxidation of methane to methanol they identified a trinuclear copper-oxo-cluster as the active center inside the zeolite micropores.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News New lithium ion battery is safer, tougher, and more powerful

Lithium ion batteries are a huge technological advancement from lead acid batteries which have existed since the late 1850's.  Thanks to their low weight, high energy density and slower loss of charge when not in use, these have become the preferred choice for consumer electronics.  Lithium-ion cells with cobalt cathodes hold twice the energy of a nickel-based battery and four-times that of lead acid.  Despite being a superior consumer battery, lithium-ion batteries still have some drawbacks.  Current manufacturing technology is reaching the theoretical energy density limit for lithium ion batteries and overheating leading to thermal runaway i.e. "venting with flame" is a serious concern.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News New method can make cheaper solar energy storage

Building on a unique idea, scientists have developed a cost-effective new method for converting and storing solar energy into hydrogen.

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