Just as solar cells generate electricity from sunlight, thermophotovoltaic cells do so from infrared light. Now, in a new study, scientists have revealed thermophotovoltaic cells with a record-high conversion efficiency of more than 40 percent, better than most turbines used to generate electricity.
In the final part of our series on batteries, we cover one of the ‘bigger’ uses of batteries in electric vehicles such as cars, bikes and even aircrafts and submarines. by Dr David Maddison
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