Wood-based nanogenerators turn water evaporation into sustainable electricity

https://www.nanowerk.com/spotlight/spotid=65068.php

"1.2 M calcium chloride electrolyte evaporation-induced electrical power densities up to 10 W/m2, rivaling wind power... electrokinetic effect, sustainable... delignified balsa and cellulosic balsa increased surface area 10 and 21X... increased hydrophilicity, surface charge density, number vertically aligned negatively charged cellulose nanofibrils serving as ion nanofluidic channels... 2 mm thick DBWG generated open-circuit 0.77 V, short-circuit current 148 µA, biodegradable, environmentally friendly... self-powered sensors"