Thermally sprayed MCO/FeCr24 interconnector with improved stability for tubular segmented-in-series SOFCs

Yingzhen Hu; Jiu Tao Gao; Cheng Xin Li; Chang Jiu Li

doi:10.1016/j.apsusc.2022.152861

Thermally sprayed MCO/FeCr24 interconnector with improved stability for tubular segmented-in-series SOFCs

Yingzhen Hu
, Jiu Tao Gao
, Cheng Xin Li
, Chang Jiu Li

School of Materials Science and Engineering

Xi'an University of Architecture and Technology
Xi'an Jiaotong University

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

19 Scopus citations

Abstract

The present work aims to evaluate the feasibility of thermally sprayed Mn_1.5Co_1.5O₄/FeCr24 interconnect under real operating environment of tubular solid oxide fuel cells (SOFC). Different from the planar SOFC, further practical application of ferritic stainless steels interconnector is still limited in tubular SOFC, mainly due to the special construction and complex operating environment. Investigating the stability of interconnector under reducing-oxidizing (redox) atmosphere is an important issue towards practical applications of tubular SOFC. In this work, thermal spraying was applied as a cost-effective method to prepare the segmented-in-series SOFCs based on Mn_1.5Co_1.5O₄/FeCr24 interconnector. The detailed heating and deposition process for different Mn_1.5Co_1.5O₄ particles, quantitative relationship between the Mn_1.5Co_1.5O₄ coating thickness (δ₀) and microstructure homogenization rate (dδ/dt) during oxidizing treatment, as well as the feasibility of thermally-sprayed Mn_1.5Co_1.5O₄/FeCr24 interconnect for tubular SOFC applications in range of 600–800 °C were thoroughly evaluated.

Original language	English
Article number	152861
Journal	Applied Surface Science
Volume	587
DOIs	https://doi.org/10.1016/j.apsusc.2022.152861
State	Published - 15 Jun 2022

Keywords

FSS interconnector
MnCoO spinel coating
Thermal spraying
Tubular segmented-in-series SOFC

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10.1016/j.apsusc.2022.152861

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@article{8571f5bda86040eb82c985104536564d,

title = "Thermally sprayed MCO/FeCr24 interconnector with improved stability for tubular segmented-in-series SOFCs",

abstract = "The present work aims to evaluate the feasibility of thermally sprayed Mn1.5Co1.5O4/FeCr24 interconnect under real operating environment of tubular solid oxide fuel cells (SOFC). Different from the planar SOFC, further practical application of ferritic stainless steels interconnector is still limited in tubular SOFC, mainly due to the special construction and complex operating environment. Investigating the stability of interconnector under reducing-oxidizing (redox) atmosphere is an important issue towards practical applications of tubular SOFC. In this work, thermal spraying was applied as a cost-effective method to prepare the segmented-in-series SOFCs based on Mn1.5Co1.5O4/FeCr24 interconnector. The detailed heating and deposition process for different Mn1.5Co1.5O4 particles, quantitative relationship between the Mn1.5Co1.5O4 coating thickness (δ0) and microstructure homogenization rate (dδ/dt) during oxidizing treatment, as well as the feasibility of thermally-sprayed Mn1.5Co1.5O4/FeCr24 interconnect for tubular SOFC applications in range of 600–800 °C were thoroughly evaluated.",

keywords = "FSS interconnector, MnCoO spinel coating, Thermal spraying, Tubular segmented-in-series SOFC",

author = "Yingzhen Hu and Gao, \{Jiu Tao\} and Li, \{Cheng Xin\} and Li, \{Chang Jiu\}",

note = "Publisher Copyright: {\textcopyright} 2022",

year = "2022",

month = jun,

day = "15",

doi = "10.1016/j.apsusc.2022.152861",

language = "英语",

volume = "587",

journal = "Applied Surface Science",

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T1 - Thermally sprayed MCO/FeCr24 interconnector with improved stability for tubular segmented-in-series SOFCs

AU - Hu, Yingzhen

AU - Gao, Jiu Tao

AU - Li, Cheng Xin

AU - Li, Chang Jiu

PY - 2022/6/15

Y1 - 2022/6/15

N2 - The present work aims to evaluate the feasibility of thermally sprayed Mn1.5Co1.5O4/FeCr24 interconnect under real operating environment of tubular solid oxide fuel cells (SOFC). Different from the planar SOFC, further practical application of ferritic stainless steels interconnector is still limited in tubular SOFC, mainly due to the special construction and complex operating environment. Investigating the stability of interconnector under reducing-oxidizing (redox) atmosphere is an important issue towards practical applications of tubular SOFC. In this work, thermal spraying was applied as a cost-effective method to prepare the segmented-in-series SOFCs based on Mn1.5Co1.5O4/FeCr24 interconnector. The detailed heating and deposition process for different Mn1.5Co1.5O4 particles, quantitative relationship between the Mn1.5Co1.5O4 coating thickness (δ0) and microstructure homogenization rate (dδ/dt) during oxidizing treatment, as well as the feasibility of thermally-sprayed Mn1.5Co1.5O4/FeCr24 interconnect for tubular SOFC applications in range of 600–800 °C were thoroughly evaluated.

AB - The present work aims to evaluate the feasibility of thermally sprayed Mn1.5Co1.5O4/FeCr24 interconnect under real operating environment of tubular solid oxide fuel cells (SOFC). Different from the planar SOFC, further practical application of ferritic stainless steels interconnector is still limited in tubular SOFC, mainly due to the special construction and complex operating environment. Investigating the stability of interconnector under reducing-oxidizing (redox) atmosphere is an important issue towards practical applications of tubular SOFC. In this work, thermal spraying was applied as a cost-effective method to prepare the segmented-in-series SOFCs based on Mn1.5Co1.5O4/FeCr24 interconnector. The detailed heating and deposition process for different Mn1.5Co1.5O4 particles, quantitative relationship between the Mn1.5Co1.5O4 coating thickness (δ0) and microstructure homogenization rate (dδ/dt) during oxidizing treatment, as well as the feasibility of thermally-sprayed Mn1.5Co1.5O4/FeCr24 interconnect for tubular SOFC applications in range of 600–800 °C were thoroughly evaluated.

KW - FSS interconnector

KW - MnCoO spinel coating

KW - Thermal spraying

KW - Tubular segmented-in-series SOFC

UR - https://www.scopus.com/pages/publications/85125277101

U2 - 10.1016/j.apsusc.2022.152861

DO - 10.1016/j.apsusc.2022.152861

M3 - 文章

AN - SCOPUS:85125277101

SN - 0169-4332

VL - 587

JO - Applied Surface Science

JF - Applied Surface Science

M1 - 152861

ER -

Thermally sprayed MCO/FeCr24 interconnector with improved stability for tubular segmented-in-series SOFCs

Abstract

Keywords

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