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Scientists at the prestigious Massachusetts Institute of Technology (MIT) have produced modified carbon nanotubes that can store solar energy indefinitely after being charged up by sunlight, says the university.
Although nano materials that store sunlight in chemical bonds have been produced before, researchers on this project say that the new material, which is made using carbon nanotubes in combination with a compound called azobenzene, has a much higher energy density than earlier solutions. In fact the energy density of this solutions is comparable to that of lithium-ion batteries. |
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