Natural Evaporation-Driven Ionovoltaic Electricity Generation

Sun Geun Yoon; Young Jun Yang; Jeeyoung Yoo; Huding Jin; Won Hyung Lee; Junwoo Park; Youn Sang Kim

doi:10.1021/acsaelm.9b00419

Natural Evaporation-Driven Ionovoltaic Electricity Generation

Sun Geun Yoon, Young Jun Yang, Jeeyoung Yoo, Huding Jin, Won Hyung Lee, Junwoo Park, Youn Sang Kim

School of Energy Engineering

Research output: Contribution to journal › Article › peer-review

71 Scopus citations

Abstract

Evaporation-induced electricity generation, harnessing natural vaporization of water, is spotlighted as a promising energy conversion system with showing off remarkable characteristics such as continuous generation without artificial water motions. However, the vague origin and mechanism of this phenomenon are obstacles for practical application. Herein, the origin of the evaporation-induced electricity generation was verified in terms of the "ionovoltaic"effect, ionic motion-induced charge carrier flows, through a resistance-controllable metal oxide platform. The device, composed of solvothermal-grown zinc oxide, showed output signals of μ0.4 V and μ20 nA. This study improves an understanding of the evaporative ionovoltaic mechanism and secures applicability to various materials for future energy conversion devices.

Original language	English
Pages (from-to)	1746-1751
Number of pages	6
Journal	ACS Applied Electronic Materials
Volume	1
Issue number	9
DOIs	https://doi.org/10.1021/acsaelm.9b00419
State	Published - 24 Sep 2019

Keywords

energy conversion device
ion-surface interaction
ionovoltaic device
natural evaporation
solid-liquid interfaces

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10.1021/acsaelm.9b00419

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title = "Natural Evaporation-Driven Ionovoltaic Electricity Generation",

abstract = "Evaporation-induced electricity generation, harnessing natural vaporization of water, is spotlighted as a promising energy conversion system with showing off remarkable characteristics such as continuous generation without artificial water motions. However, the vague origin and mechanism of this phenomenon are obstacles for practical application. Herein, the origin of the evaporation-induced electricity generation was verified in terms of the {"}ionovoltaic{"}effect, ionic motion-induced charge carrier flows, through a resistance-controllable metal oxide platform. The device, composed of solvothermal-grown zinc oxide, showed output signals of μ0.4 V and μ20 nA. This study improves an understanding of the evaporative ionovoltaic mechanism and secures applicability to various materials for future energy conversion devices.",

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T1 - Natural Evaporation-Driven Ionovoltaic Electricity Generation

AU - Yoon, Sun Geun

AU - Yang, Young Jun

AU - Yoo, Jeeyoung

AU - Jin, Huding

AU - Lee, Won Hyung

AU - Park, Junwoo

AU - Kim, Youn Sang

PY - 2019/9/24

Y1 - 2019/9/24

N2 - Evaporation-induced electricity generation, harnessing natural vaporization of water, is spotlighted as a promising energy conversion system with showing off remarkable characteristics such as continuous generation without artificial water motions. However, the vague origin and mechanism of this phenomenon are obstacles for practical application. Herein, the origin of the evaporation-induced electricity generation was verified in terms of the "ionovoltaic"effect, ionic motion-induced charge carrier flows, through a resistance-controllable metal oxide platform. The device, composed of solvothermal-grown zinc oxide, showed output signals of μ0.4 V and μ20 nA. This study improves an understanding of the evaporative ionovoltaic mechanism and secures applicability to various materials for future energy conversion devices.

AB - Evaporation-induced electricity generation, harnessing natural vaporization of water, is spotlighted as a promising energy conversion system with showing off remarkable characteristics such as continuous generation without artificial water motions. However, the vague origin and mechanism of this phenomenon are obstacles for practical application. Herein, the origin of the evaporation-induced electricity generation was verified in terms of the "ionovoltaic"effect, ionic motion-induced charge carrier flows, through a resistance-controllable metal oxide platform. The device, composed of solvothermal-grown zinc oxide, showed output signals of μ0.4 V and μ20 nA. This study improves an understanding of the evaporative ionovoltaic mechanism and secures applicability to various materials for future energy conversion devices.

KW - energy conversion device

KW - ion-surface interaction

KW - ionovoltaic device

KW - natural evaporation

KW - solid-liquid interfaces

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Natural Evaporation-Driven Ionovoltaic Electricity Generation

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Keywords

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