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University of Queensland researchers have built a generator that absorbs carbon dioxide (CO2) to make electricity.
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“This nanogenerator is made of two components: a polyamine gel that is already used by industry to absorb CO2 and a skeleton a few atoms thick of boron nitrate that generates positive and negative ions,” Dr Wang said.
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“We could make a slightly bigger device that is portable to generate electricity to power a mobile phone or a laptop computer using CO2 from the atmosphere,” Professor Zhang said.
“A second application on a much larger scale, would integrate this technology with an industrial CO2 capture process to harvest electricity.”
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https://www.technology.org/2024/05/0...ainable-power/
Pretty cool stuff. Obviously very early, but if it can be developed, and it looks fairly cheaply, this could have many applications.