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    Energy created from burning fossil fuels has underpinned the major industrialization of the modern world over the last 200 years. As we become more concerned with climate change and the security of our energy supply, the desire to harness other forms of energy from solar, wind, wave, hydrogen and nuclear becomes more pressing. Neutron scattering can be used to study materials that can efficiently and safely store hydrogen, cheap-and-thin solar energy panel, super superconductor, etc. 

一、氢燃料的应用 Hydrogen-fueled society


    Petrol and diesel are the lifeblood of transport, fueling school runs and family holidays. But the depletion of fossil fuels and the environmental pollution arising from fossil fuels combustion are pushing scientists to explore renewable & sustainable clean energy sources.



    Hydrogen is the most abundant element in the universe and is a perfect fuel. It has three times more energy than petrol per unit of weight, and when it burns it produces nothing but water. Today’s technology is capable of powering a car using hydrogen, but making and storing hydrogen safely is a challenge. The automotive industry is working to find safe, efficient and low-cost ways to store and transport hydrogen.



    With neutrons, we are on the road to making hydrogen fuel a reality. Scientists using neutron scattering have designed inexpensive hydrogen-rich solids to store and release hydrogen that can be safely used in cars and homes.


——Stephen Bennington教授,Cella能源首席科学家

"Our new hydrogen storage materials offer real potential for running cars, planes and other vehicles with little extra cost and no extra inconvenience to the driver."

—— Professor Stephen Bennington, chief scientist, Cella Energy

二、柔性塑料太阳能电池 Flexible plastic solar cells


    In one hour, enough energy from sunlight falls on the Earth to satisfy the energy needs of the planet for a year, but large-scale harvesting of this enormous energy supply is only just starting. 



    Plastic polymer solar cells are much cheaper to produce than conventional silicon solar panels. Neutron scattering experiments have shown that efficient solar cells can be made from very thin films, with a flexibility like cling-film. These can be manufactured using very simple and inexpensive methods, by spreading a mix of polymers thinly over huge areas. High-volume manufacturing could produce films of solar cells that are over a thousand times thinner than the width of a human hair. These films could be used to make light and easily transportable solar cell devices.



    Given that plastic polymer solar cells are much cheaper to produce than conventional silicon solar panels, they have the potential to be produced in large quantities.


——Richard Jones教授,谢菲尔德大学

"Ultra-cheap and efficient polymer solar cells that can cover huge areas could help move us into a new age of renewable energy."

——Professor Richard Jones,University of Sheffield

三、超级超导体 Super superconductor


    The ceramics, known as high-temperature superconductors, lose all resistance to the flow of electricity when cooled below -150ºC. However, wires made from the ceramics can conduct up to 140 times more power than conventional copper wires of the same dimension, carrying electricity with 100% efficiency. Yet despite their growing use in applications ranging from medical imaging scanners to revolutionary propulsion systems, exactly how they work remains a mystery.



    Striking images collected in neutron scattering experiments may be the clue to understanding how advanced ceramics can transmit electricity without losing energy. Uniquely sensitive neutron instruments available at ISIS(The UK's spallation neutron source near Oxford) and the ILL(Institut Laue-Langevin) are giving an unmatched clarity of vision into the interior world of superconductors. The unique results are guiding the search for new materials in the quest to make superconductivity take place at room temperature.


——Stephen Hayden教授,布里斯托大学

"We are finding that electric current is carried most efficiently in these materials when very weak atomic-scale magnetic interactions permeate the structure of the ceramics."

——Professor Stephen Hayden, University of Bristol

、核电站延寿 Extending the lifetime of nuclear power stations


    The lifetimes of two UK nuclear power stations have been extended allowing them to continue to supply electricity to the national grid.



    Nuclear power stations contain thousands of welded joints which over time become vulnerable to material ageing. EDF Energy worked with the Open University Materials Engineering group studying critical welded components using the powerful Engin-X instrument at ISIS to satisfy safety regulators of the integrity of repair welds in four Advanced Gas Cooled Reactors.



    This study helped demonstrate that the welds retained their structural integrity, and supported 5-year life-extensions to be made for these power plants, deferring the need for decommissioning and replacement of two nuclear power stations at a cost of around £1.5 billion each.



"Neutron scattering studies of welding procedures have enabled uninterrupted electricity generation and allowed 5-year life extensions to be made for four Advanced Gas Cooled Reactors."

——EDF Energy

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