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- W642715577 abstract "A way of storing hydrogen fuel inside clathrates developed by Wendy Mao and colleagues at the Carnegie Institution of Washington is described. Under sufficient pressure, the hydrogen molecules stuff themselves into the cages in pairs or groups of four. To create the clathrate, a mixture of hydrogen and water is subjected to a pressure of about 2000 atmospheres while keeping the temperature steady at 27 degrees C, so that the hydrogen forms a bubble surrounded by ice, before cooling to minus 24 degrees C. Once the clathrate has formed, it should be possible to store it at low pressure using liquid nitrogen as a coolant. A team at the University of Pittsburgh has also reported a breakthrough in using light to split water into hydrogen and oxygen. This was done on a semiconductor chip coated with a chemiclly modified layer of titanium dioxide which acts as a catalyst. The efficiency of photchemical splitting is increased to 11% by this technique. These studies may increase the feasibility of developing a pollution-free fully renewable hydrogen-based energy system." @default.
- W642715577 created "2016-06-24" @default.
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- W642715577 date "2002-10-05" @default.
- W642715577 modified "2023-09-29" @default.
- W642715577 title "HYDROGEN UTOPIA COMES TWO STEPS CLOSER." @default.
- W642715577 hasPublicationYear "2002" @default.
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