Hygroelectricity

 

Source: BBC

 Context: Researchers are exploring the concept of hygroelectricity, which involves harvesting electricity from humid air.

 

Methods of generating hygroelectricity:

  • Using tiny protein nanowires produced by bacteria to trap water molecules and create electrical charges, potentially providing usable electricity to power miniature computers or sensors.
  • Another method involves passing humid air between two pieces of metal, inducing a charge as the moist air flows over them.

 Advantages: Versatility, sustainable.

 Disadvantages: Scale up of technology.