Spontaneously charged water drops induce corrosion.

Water drops spontaneously become electrically charged when moving on different surfaces, such as plant leaves, insect wings, building walls, window glass and plastic 1-9 .

Water drops spontaneously become electrically charged when moving on different surfaces, such as plant leaves, insect wings, building walls, window glass and plastic 1-9 . This process, known as contact or sliding electrification, is analogous to tribocharging between solids…