Electrospun yttria-stabilized zirconia nanofibers for low-temperature solid oxide fuel cells

Ja Yang Koo; Yonghyun Lim; Young Beom Kim; Doyoung Byun; Wonyoung Lee

doi:10.1016/j.ijhydene.2017.04.099

Electrospun yttria-stabilized zirconia nanofibers for low-temperature solid oxide fuel cells

Ja Yang Koo
, Yonghyun Lim
, Young Beom Kim
, Doyoung Byun
, Wonyoung Lee

Department of Mechanical Engineering

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

34 Scopus citations

Abstract

We report a 3.5-fold improvement in the performance of solid oxide fuel cells (SOFCs) operating at 450 °C with the introduction of electrospun yttria-stabilized zirconia (YSZ) nanofiber interlayers between the electrolyte and cathode. YSZ nanofibers with diameters of 150–200 nm were uniformly deposited with various thicknesses on a single-crystal YSZ substrate. Electrochemical impedance spectroscopy analyses revealed a drastically reduced polarization resistance, which was mainly attributed to the high specific surface area and high porosity of the YSZ nanofiber interlayers. Our results demonstrate the possibility of using YSZ nanofibers for the development of high-performance SOFCs at low temperature.

Original language	English
Pages (from-to)	15903-15907
Number of pages	5
Journal	International Journal of Hydrogen Energy
Volume	42
Issue number	24
DOIs	https://doi.org/10.1016/j.ijhydene.2017.04.099
State	Published - 15 Jun 2017

Keywords

Electrospinning
Nanofibers
Solid oxide fuel cells
Yttria-stabilized zirconia

UN SDGs

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

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10.1016/j.ijhydene.2017.04.099

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@article{19b3789bf83a49d3bd7ea20919bc05dd,

title = "Electrospun yttria-stabilized zirconia nanofibers for low-temperature solid oxide fuel cells",

abstract = "We report a 3.5-fold improvement in the performance of solid oxide fuel cells (SOFCs) operating at 450 °C with the introduction of electrospun yttria-stabilized zirconia (YSZ) nanofiber interlayers between the electrolyte and cathode. YSZ nanofibers with diameters of 150–200 nm were uniformly deposited with various thicknesses on a single-crystal YSZ substrate. Electrochemical impedance spectroscopy analyses revealed a drastically reduced polarization resistance, which was mainly attributed to the high specific surface area and high porosity of the YSZ nanofiber interlayers. Our results demonstrate the possibility of using YSZ nanofibers for the development of high-performance SOFCs at low temperature.",

keywords = "Electrospinning, Nanofibers, Solid oxide fuel cells, Yttria-stabilized zirconia",

author = "Koo, \{Ja Yang\} and Yonghyun Lim and Kim, \{Young Beom\} and Doyoung Byun and Wonyoung Lee",

note = "Publisher Copyright: {\textcopyright} 2017 Hydrogen Energy Publications LLC",

year = "2017",

month = jun,

day = "15",

doi = "10.1016/j.ijhydene.2017.04.099",

language = "English",

volume = "42",

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journal = "International Journal of Hydrogen Energy",

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TY - JOUR

T1 - Electrospun yttria-stabilized zirconia nanofibers for low-temperature solid oxide fuel cells

AU - Koo, Ja Yang

AU - Lim, Yonghyun

AU - Kim, Young Beom

AU - Byun, Doyoung

AU - Lee, Wonyoung

PY - 2017/6/15

Y1 - 2017/6/15

N2 - We report a 3.5-fold improvement in the performance of solid oxide fuel cells (SOFCs) operating at 450 °C with the introduction of electrospun yttria-stabilized zirconia (YSZ) nanofiber interlayers between the electrolyte and cathode. YSZ nanofibers with diameters of 150–200 nm were uniformly deposited with various thicknesses on a single-crystal YSZ substrate. Electrochemical impedance spectroscopy analyses revealed a drastically reduced polarization resistance, which was mainly attributed to the high specific surface area and high porosity of the YSZ nanofiber interlayers. Our results demonstrate the possibility of using YSZ nanofibers for the development of high-performance SOFCs at low temperature.

AB - We report a 3.5-fold improvement in the performance of solid oxide fuel cells (SOFCs) operating at 450 °C with the introduction of electrospun yttria-stabilized zirconia (YSZ) nanofiber interlayers between the electrolyte and cathode. YSZ nanofibers with diameters of 150–200 nm were uniformly deposited with various thicknesses on a single-crystal YSZ substrate. Electrochemical impedance spectroscopy analyses revealed a drastically reduced polarization resistance, which was mainly attributed to the high specific surface area and high porosity of the YSZ nanofiber interlayers. Our results demonstrate the possibility of using YSZ nanofibers for the development of high-performance SOFCs at low temperature.

KW - Electrospinning

KW - Nanofibers

KW - Solid oxide fuel cells

KW - Yttria-stabilized zirconia

UR - https://www.scopus.com/pages/publications/85020124111

U2 - 10.1016/j.ijhydene.2017.04.099

DO - 10.1016/j.ijhydene.2017.04.099

M3 - Article

AN - SCOPUS:85020124111

SN - 0360-3199

VL - 42

SP - 15903

EP - 15907

JO - International Journal of Hydrogen Energy

JF - International Journal of Hydrogen Energy

IS - 24

ER -

Electrospun yttria-stabilized zirconia nanofibers for low-temperature solid oxide fuel cells

Abstract

Keywords

UN SDGs

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