Identification of water-infiltration-induced electrical energy generation by ionovoltaic effect in porous CuO nanowire films. Issue 10 (10th September 2020)

• Record Type: Journal Article
• Authors: Jin, Huding; Yoon, Sun Geun; Lee, Won Hyung; Cho, Yong Hyun; Han, Junghyup; Park, Junwoo; Kim, Youn Sang
• Is Part Of: Energy & environmental science. Volume 13:Issue 10(2020)
• Page Start: 3432
• Page End: 3438
• Publication Date: 2020-09-10
• Subjects: Energy conversion -- Periodicals; Fuel switching -- Periodicals; Environmental sciences -- Periodicals; Environmental chemistry -- Periodicals; 333.79
• DOI: 10.1039/d0ee02190c
• Languages: English
• ISSNs: 1754-5692

Abstract

Abstract : We verified the origin of water-infiltration-induced electricity generation by an ionovoltaic effect, specifically, ion–surface interaction induced potential asymmetry in a porous CuO nanowire film. Abstract : We verified the origin of water-infiltration-induced electricity generation by an ionovoltaic effect, specifically, ion–surface interaction induced potential asymmetry in porous structures. When 20 μl of water (NaCl, 0.1 M) infiltrates into a porous CuO nanowire film, electrical power of ∼0.45 V and ∼0.23 μA is produced for 40 minutes. Moreover, a method of proportionally amplifying electricity is presented, and the practicability is shown by turning on an LED with infiltration of eight seawater droplets.