A foldable paper-based biobacket was developed

 Foldable paper batteries

A team of researchers at Binghamton University (New York) has been developing paper for years now, where specific bacteria perform the function of the electrolyte. After the original prototype of the folding battery, a more powerful version was created in the form of a star ninja. 19659003 In the same version of the device, instead of the deposited nickel cathode, a new original design was proposed- with a thin layer of wax. Water with bacteria, placed inside the reservoir from the conductive polymer, performs the function of the anode. The anode and the cathode are placed on the opposite sides of the paper sheet. When they come into contact, as a result of cellular respiration, microbes, begin to produce electricity.

 Foldable paper batteries "width =" 660 "height =" 403

By stacking such sheets in different configurations, different power and current can be obtained. So, for example, 6 sheet batteries (variant 2 x 3) give out 31.51 μW / 125.53 μA, and already with the variant 6 × 6 – 44.85 μW / 105.89 μA. Of course, this is not enough for the smartphone, but for low-power biosensors, determining the level of sugar in the blood, it is enough.

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