Self-sustained electricity generator driven by the compatible integration of ambient moisture adsorption and evaporation

Generating sustainable electricity from ambient humidity and natural evaporation has attracted tremendous interest recently as it requires no extra mechanical energy input and is deployable across all weather and geography conditions. Here, we present a device prototype for enhanced power generation from ambient humidity. This prototype uses both heterogenous materials assembled from a LiCl-loaded cellulon paper to facilitate moisture adsorption and a carbon-black-loaded cellulon paper to promote water evaporation. Exposing such a centimeter-sized device to ambient humidity can produce voltages of around 0.78 V and a current of around 7.5 μA, both of which can be sustained for more than 10 days. The enhanced…

• NN
  National Natural Science Foundation of China

  Awards: 12172176, 12150002
• GO
  Government of Jiangsu Province
• NS
  Natural Science Foundation of Jiangsu Province

  Awards: MCMS-I-0421K01, BK20212008
• SK
  State Key Laboratory of Mechanics and Control of Mechanical Structures

  Award: MCMS-I-0421K01
• PA
  Priority Academic Program Development of Jiangsu Higher Education Institutions
• NK
  National Key Research and Development Program of China

  Award: 2019YFA0705400
• FR
  Fundamental Research Funds for the Central Universities

  Awards: NJ2020003, NJ2020003, NZ2020001, NZ2020001