Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Artificial leaf harnesses sunlight for efficient fuel production

A new solar fuel generation system, or artificial leaf, safely creates fuel from sunlight and water with record-setting efficiency and stability.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Simulations show why platinum nanoparticles become less effective catalysts at small sizes

Scientists have used first-principles computer simulations to explain why small platinum nanoparticles are less effective catalysts than larger ones.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Charging a lithium-ion battery efficiently with a solar cell

Researchers have wired four perovskite solar cells in series to enhance the voltage and directly photo-charged lithium batteries with 7.8 percent efficiency -- the most efficient reported to date, the researchers believe.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Scientists find new way to detect ortho–para conversion in water

New research has found that water molecules react differently to electric fields, which could provide a new way to study spin isomers at the single-molecule level. Water molecules exist in two forms or 'isomers', ortho and para, that have different nuclear spin states. In ortho-water, the nuclear spins are parallel to one another, and in para water, the spins are antiparallel. The conversion of ortho water into para-water and vice-versa is relevant to a broad range of scientific fields from nuclear magnetic resonance (NMR) to astrophysics.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Another milestone in hybrid artificial photosynthesis

Researchers using a bioinorganic hybrid approach to artificial photosynthesis have combined semiconducting nanowires with select microbes to create a system that produces renewable molecular hydrogen and uses it to synthesize carbon dioxide into methane, the primary constituent of natural gas.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Graphene drives potential for the next-generation of fuel-efficient cars

Graphene could lead to greener more fuel efficient cars in the future by converting heat into electricity, scientists say. Graphene's range of superlative properties and small size causes the transfer of heat through the material to slow leading to the desired lower operating temperatures.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Using sunlight to recharge the cooling system of trailer containers

A group of scientists has replaced diesel with kinetic energy, saving up to 20 thousand liters of fuel annually, they say, adding that this includes a series of energetically self-sustained boxes for the transport of perishable goods, with a cooling system that replaced the use of diesel with sunlight and kinetic energy.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Laser-burned graphene gains metallic powers

Chemists embed metallic nanoparticles into laser-induced graphene, turning it into a useful catalyst for fuel cell and other applications.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News 'Diamonds from the sky' approach turns CO2 into valuable products

Finding a technology to shift carbon dioxide, the most abundant anthropogenic greenhouse gas, from a climate change problem to a valuable commodity has long been a dream. Now, a team of chemists says they have developed a technology to economically convert atmospheric CO2 directly into highly valued carbon nanofibers for industrial and consumer products.

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ohnny heath corpus christi Affordable Hydrogen Fuel Cells News Webinar August 11: Analysis Using Fuel Cell MHE for Shaving Peak Building Energy

This Fuel Cell Technologies Office webinar, presented by Michael Penev of the National Renewable Energy Laboratory, will explore the synergy between a facility's use of hydrogen fuel cell forklifts and its reduction of electric grid time of use energy charges.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Copper clusters capture, convert carbon dioxide to make fuel

The chemical reactions that make methanol from carbon dioxide rely on a catalyst to speed up the conversion, and scientists identified a new material that could fill this role. With its unique structure, this catalyst can capture and convert carbon dioxide in a way that ultimately saves energy.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Pouring fire on fuels at the nanoscale

There are no magic bullets for global energy needs. But fuel cells in which electrical energy is harnessed directly from live, self-sustaining chemical reactions promise cheaper alternatives to fossil fuels.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News 'Yolks' and 'shells' improve rechargeable batteries

One big problem faced by electrodes in rechargeable batteries, as they go through repeated cycles of charging and discharging, is that they must expand and shrink during each cycle -- sometimes doubling in volume, and then shrinking back. This can lead to repeated shedding and reformation of its "skin" layer that consumes lithium irreversibly, degrading the battery's performance over time. Now researchers have found a novel way around that problem: creating an electrode made of nanoparticles with a solid shell, and a "yolk" inside that can change size again and again without affecting the shell.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Process concept for a zero-emission route to clean middle-distillate fuels from coal

A novel process configuration has been developed for producing clean middle-distillate fuels from coal with minimal emissions.

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Johnny heath corpus christi Affordable Hydrogen Fuel Cells News New design brings world's first solar battery to performance milestone

After debuting the world's first solar air battery last fall, researchers have now reached a new milestone. They report that their patent-pending design -- which combines a solar cell and a battery into a single device -- now achieves a 20 percent energy savings over traditional lithium-iodine batteries.

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