# Entropy-engineered spinel oxide coatings to enhance oxidation resistance and electrical performance of solid oxide fuel cell interconnectors

https://mdr.nims.go.jp/datasets/598ec875-d34d-450c-a90b-ac16e441719b

## Files

- [2026Tsai-ASSA.pdf](https://mdr.nims.go.jp/filesets/b50a9a8b-3e15-49db-b6de-44ea2c04ba11/download) ([Detail](https://mdr.nims.go.jp/filesets/b50a9a8b-3e15-49db-b6de-44ea2c04ba11.md))

## Id

598ec875-d34d-450c-a90b-ac16e441719b

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2026-04-05T04:34:24.277940Z

## Updated at

2026-04-05T04:43:35.444640Z

## Published at

2026-04-06T03:26:13.204868Z

## Doi



## First published url

https://doi.org/10.1016/j.apsadv.2026.100956

## Date published

2026-02-27

## Recorded date published

2026-3

## Resource type

journal_article

## Manuscript type

vor

## Collection



## Title

- title: Entropy-engineered spinel oxide coatings to enhance oxidation resistance
    and electrical performance of solid oxide fuel cell interconnectors
  title_type: original
  lang: en

## Description

- description: This study investigates spinel oxide coatings derived from medium-
    to high-entropy alloy systems for solid oxide fuel cell interconnect applications.
    Alloy coatings of Fe-Mn-Co, Fe-Mn-Co-Cu, and Fe-Mn-Co-Cu-Ni are deposited on SUS430
    stainless steel substrates utilizing a magnetron sputtering system and subjected
    to isothermal oxidation at 650 °C. Microstructural and phase analyses reveal the
    anomalous formation of hematite layers and Cr-Fe mixed oxide structures in Fe-Mn-Co
    and Fe-Mn-Co-Cu coatings, which indicates greater Fe diffusion at the substrate/coating
    interface during the early stage of oxidation comparing to that of Fe-Mn-Co-Cu-Ni
    coating. Theoretical calculations confirm that the hematite and Cr-Fe oxides significantly
    increase the area specific resistance of Fe-Mn-Co and Fe-Mn-Co-Cu coated steels
    at 650 °C. Notably, the Fe-Mn-Co-Cu-Ni coating can exhibit superior electrical
    conductivity, and resistances to oxidation and Cr-evaporation. This study demonstrates
    that entropy-engineered composition can promote the formation of single phase
    spinel, enhance phase stability, and can potentially be beneficial for long-term
    performance of solid oxide fuel cell as coating material for interconnects.
  description_type: abstract
  lang: und

## Creator

- name: Cheng-Ju Tsai
  role: author
- name: Hideyuki Murakami
  role: author
- name: Yoshiaki Toda
  role: author
  orcid: https://orcid.org/0000-0002-8343-2890
- name: Fan-Yi Ouyang
  role: author
  orcid: https://orcid.org/0000-0001-6767-127X
- name: Hyoung Seop Kim
  role: author
  orcid: https://orcid.org/0000-0002-3155-583X
- name: An-Chou Yeh
  role: author
  orcid: https://orcid.org/0000-0002-9460-8345

## Contact agent



## Publisher

organization: Elsevier BV

## Managing organization



## Keyword

- subject: Solid oxide fuel cell
  schema: not_defined
- subject: High-entropy alloy
  schema: not_defined
- subject: Spinel coating
  schema: not_defined
- subject: Area specific resistance
  schema: not_defined
- subject: Cr-evaporation
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by-nc-nd/4.0/

## Other identifier(s)



## Data origin



## Embargo



## Journal

- title: Applied Surface Science Advances
  issn: '26665239'
  volume: '32'
  article_number: '100956'

## Conference



## Related item



## Funding

- funder_name: Executive Yuan Republic of China Ministry of Education
- identifier: NSTC 114-2221-E-007-085-MY3
  funder_name: National Science and Technology Council

## Instrument



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## Fileset

- id: b50a9a8b-3e15-49db-b6de-44ea2c04ba11
  filename: 2026Tsai-ASSA.pdf
  content_type: application/pdf
  size: 13114602
  md5: 0e7a8b53c46313f6f213a696c03057e9

## Thumbnail

fileset_id: b50a9a8b-3e15-49db-b6de-44ea2c04ba11
filename: 2026Tsai-ASSA.pdf