A laterally designed all-in-one energy device using a thermoelectric generator-coupled micro supercapacitor

Kyungwhan Yang; Kyoungah Cho; Seunggen Yang; Yoonbeom Park; Sangsig Kim

doi:10.1016/j.nanoen.2019.04.016

A laterally designed all-in-one energy device using a thermoelectric generator-coupled micro supercapacitor

Kyungwhan Yang, Kyoungah Cho, Seunggen Yang, Yoonbeom Park, Sangsig Kim

School of Electrical Engineering

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

22 Citations (Scopus)

Abstract

As an all-in-one energy device, we propose a thermoelectric generator-coupled micro supercapacitor (TEG-MSC) consisting of a planar micro supercapacitor linked directly to the thermoelectric pn modules of p-Ag ₂ Te and n-Ag ₂ Se nanoparticle thin films. In the TEG-MSC, a Seebeck voltage of 82 mV is generated at a temperature difference of 15.8 K and is rapidly charged with an efficiency of 98%. Additionally, the proposed device achieves a discharging and charging ratio of 99%. The small size and thinness of the TEG-MSC results in a high volumetric energy density of 697 μJ cm ⁻³ . These excellent performance results stem from the lowering of ionic conductivity via heat treatment. In contrast to other ionic supercapacitors, the Soret effect is eliminated in the TEG-MSC. This shortens the charging time and significantly increases the ratio of discharging and charging.

Original language	English
Pages (from-to)	667-672
Number of pages	6
Journal	Nano Energy
Volume	60
DOIs	https://doi.org/10.1016/j.nanoen.2019.04.016
Publication status	Published - 2019 Jun

Keywords

Micro supercapacitor
Seebeck effect
Thermoelectric charging
Thermoelectric generator

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Materials Science(all)
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.nanoen.2019.04.016

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title = "A laterally designed all-in-one energy device using a thermoelectric generator-coupled micro supercapacitor",

abstract = " As an all-in-one energy device, we propose a thermoelectric generator-coupled micro supercapacitor (TEG-MSC) consisting of a planar micro supercapacitor linked directly to the thermoelectric pn modules of p-Ag 2 Te and n-Ag 2 Se nanoparticle thin films. In the TEG-MSC, a Seebeck voltage of 82 mV is generated at a temperature difference of 15.8 K and is rapidly charged with an efficiency of 98%. Additionally, the proposed device achieves a discharging and charging ratio of 99%. The small size and thinness of the TEG-MSC results in a high volumetric energy density of 697 μJ cm −3 . These excellent performance results stem from the lowering of ionic conductivity via heat treatment. In contrast to other ionic supercapacitors, the Soret effect is eliminated in the TEG-MSC. This shortens the charging time and significantly increases the ratio of discharging and charging. ",

keywords = "Micro supercapacitor, Seebeck effect, Thermoelectric charging, Thermoelectric generator",

author = "Kyungwhan Yang and Kyoungah Cho and Seunggen Yang and Yoonbeom Park and Sangsig Kim",

note = "Funding Information: This work was supported in part by the Mid-career Researcher Program (No. NRF-2016R1E1A1A02920171 ), Technology Development Program to Solve Climate Change ( NRF-2017M1A2A2087323 ), and Brain Korea 21 Plus Project in 2019 through the National Research Foundation of Korea funded by the Korea government (MSIT) ; and a Korea University Grant. Publisher Copyright: {\textcopyright} 2019 Elsevier Ltd",

year = "2019",

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doi = "10.1016/j.nanoen.2019.04.016",

language = "English",

volume = "60",

pages = "667--672",

journal = "Nano Energy",

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T1 - A laterally designed all-in-one energy device using a thermoelectric generator-coupled micro supercapacitor

AU - Yang, Kyungwhan

AU - Cho, Kyoungah

AU - Yang, Seunggen

AU - Park, Yoonbeom

AU - Kim, Sangsig

N1 - Funding Information: This work was supported in part by the Mid-career Researcher Program (No. NRF-2016R1E1A1A02920171 ), Technology Development Program to Solve Climate Change ( NRF-2017M1A2A2087323 ), and Brain Korea 21 Plus Project in 2019 through the National Research Foundation of Korea funded by the Korea government (MSIT) ; and a Korea University Grant. Publisher Copyright: © 2019 Elsevier Ltd

PY - 2019/6

Y1 - 2019/6

N2 - As an all-in-one energy device, we propose a thermoelectric generator-coupled micro supercapacitor (TEG-MSC) consisting of a planar micro supercapacitor linked directly to the thermoelectric pn modules of p-Ag 2 Te and n-Ag 2 Se nanoparticle thin films. In the TEG-MSC, a Seebeck voltage of 82 mV is generated at a temperature difference of 15.8 K and is rapidly charged with an efficiency of 98%. Additionally, the proposed device achieves a discharging and charging ratio of 99%. The small size and thinness of the TEG-MSC results in a high volumetric energy density of 697 μJ cm −3 . These excellent performance results stem from the lowering of ionic conductivity via heat treatment. In contrast to other ionic supercapacitors, the Soret effect is eliminated in the TEG-MSC. This shortens the charging time and significantly increases the ratio of discharging and charging.

AB - As an all-in-one energy device, we propose a thermoelectric generator-coupled micro supercapacitor (TEG-MSC) consisting of a planar micro supercapacitor linked directly to the thermoelectric pn modules of p-Ag 2 Te and n-Ag 2 Se nanoparticle thin films. In the TEG-MSC, a Seebeck voltage of 82 mV is generated at a temperature difference of 15.8 K and is rapidly charged with an efficiency of 98%. Additionally, the proposed device achieves a discharging and charging ratio of 99%. The small size and thinness of the TEG-MSC results in a high volumetric energy density of 697 μJ cm −3 . These excellent performance results stem from the lowering of ionic conductivity via heat treatment. In contrast to other ionic supercapacitors, the Soret effect is eliminated in the TEG-MSC. This shortens the charging time and significantly increases the ratio of discharging and charging.

KW - Micro supercapacitor

KW - Seebeck effect

KW - Thermoelectric charging

KW - Thermoelectric generator

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DO - 10.1016/j.nanoen.2019.04.016

M3 - Article

AN - SCOPUS:85064015272

SN - 2211-2855

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JO - Nano Energy

JF - Nano Energy

ER -

A laterally designed all-in-one energy device using a thermoelectric generator-coupled micro supercapacitor

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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