Power paper!

Excellent work from the Swedish researchers- they’ve discovered ‘power paper’! By using a nanocellulose complex inserted in an electrically charged polymer solution, the rigidity of paper is provided by the cellulose network, and the polymer solution acts as a conducting electrolyte between cellulose fibers. What’s really awesome is that they’ve been able to attain a capacitance of 1 Farad (!), comparable with modern supercapacitors. Additionally, the recharge time is supposedly small, and I’m guessing that they don’t run into too many corrosion issues that exist in our current supercapacitors. The material is flexible and sticky while maintaining the rigidity due to the cellulose network. Looking forward to a commercialization of this idea!

Power paper


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