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High performance Mn1.3Co1.3Cu0.4O4 spinel based composite cathodes for intermediate temperature solid oxide fuel cells

Herein, we developed a Mn1.3Co1.3Cu0.4O4 (MCCO) spinel for use as a new ORR catalyst for intermediate temperature solid oxide fuel cell (SOFC) applications. The addition of Cu to the (Mn,Co)3O4 spinel effectively promoted the oxidation states of Mn ions, which were mostly positioned at octahedral si...

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Published in:	Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2019, Vol.7 (34), p.19696-19703
Main Authors:	Thaheem, Imdadullah, Kim, Kyeong Joon, Jong Jun Lee, Dong Woo Joh, Jeong, Incheol, Kang Taek Lee
Format:	Article
Language:	English
Subjects:	Catalysts Cathodes Copper Electrical conductivity Electrical resistivity Fuel cells Fuel technology Manganese Oxidation Solid oxide fuel cells Spinel Temperature
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container_end_page	19703
container_issue	34
container_start_page	19696
container_title	Journal of materials chemistry. A, Materials for energy and sustainability
container_volume	7
creator	Thaheem, Imdadullah Kim, Kyeong Joon Jong Jun Lee Dong Woo Joh Jeong, Incheol Kang Taek Lee
description	Herein, we developed a Mn1.3Co1.3Cu0.4O4 (MCCO) spinel for use as a new ORR catalyst for intermediate temperature solid oxide fuel cell (SOFC) applications. The addition of Cu to the (Mn,Co)3O4 spinel effectively promoted the oxidation states of Mn ions, which were mostly positioned at octahedral sites. This effect facilitated small polaron hopping with a narrow band gap, resulting in high electrical conductivity of MCCO. An SOFC employing the MCCO–Sc0.1Zr0.89Ce0.01O1.95 composite cathode yielded extraordinarily high power-output values of 1.92 and 1.38 W cm−2, at 800 and 700 °C, respectively. To the best of our knowledge, this result indicates the best performance among all SOFCs with any spinel-based cathodes to date.
doi_str_mv	10.1039/c9ta07069a
format	article
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To the best of our knowledge, this result indicates the best performance among all SOFCs with any spinel-based cathodes to date.</description><subject>Catalysts</subject><subject>Cathodes</subject><subject>Copper</subject><subject>Electrical conductivity</subject><subject>Electrical resistivity</subject><subject>Fuel cells</subject><subject>Fuel technology</subject><subject>Manganese</subject><subject>Oxidation</subject><subject>Solid oxide fuel cells</subject><subject>Spinel</subject><subject>Temperature</subject><issn>2050-7488</issn><issn>2050-7496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNo9jctOwzAQRS0EElXphi-wxDplYjtxvEQVL6moG1hXfozbVEkcYgfx-bgCcRczdzQz5xJyW8K6BK7urUoaJNRKX5AFgwoKKVR9-e-b5pqsYjxBVgP5Ti3I10t7ONIRJx-mXg8W6dtQrvkmnMsMa7ETNI7tgB01OqKjNvRjiG1CanU6BoeR5lfaDgmnHl2r8yZhn4k6zRPSGLrW0fDdOqR-zhiLXRdvyJXXXcTVX1-Sj6fH981Lsd09v24etsWBMUiFAV4KKyplmPaNdJXl3pXSgJDnSXrruVS6Am1sXTbGGQaoa1dbKUzDLV-Su1_uOIXPGWPan8I8DTlyz1gDVaUUq_gPp5NemA</recordid><startdate>2019</startdate><enddate>2019</enddate><creator>Thaheem, Imdadullah</creator><creator>Kim, Kyeong Joon</creator><creator>Jong Jun Lee</creator><creator>Dong Woo Joh</creator><creator>Jeong, Incheol</creator><creator>Kang Taek Lee</creator><general>Royal Society of Chemistry</general><scope>7SP</scope><scope>7SR</scope><scope>7ST</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>JG9</scope><scope>L7M</scope><scope>SOI</scope></search><sort><creationdate>2019</creationdate><title>High performance Mn1.3Co1.3Cu0.4O4 spinel based composite cathodes for intermediate temperature solid oxide fuel cells</title><author>Thaheem, Imdadullah ; Kim, Kyeong Joon ; Jong Jun Lee ; Dong Woo Joh ; Jeong, Incheol ; Kang Taek Lee</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g220t-b0314c459b2af87d5c3fd17b04787d57fcf379a50abc618bdb20ea6d6c74b83c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Catalysts</topic><topic>Cathodes</topic><topic>Copper</topic><topic>Electrical conductivity</topic><topic>Electrical resistivity</topic><topic>Fuel cells</topic><topic>Fuel technology</topic><topic>Manganese</topic><topic>Oxidation</topic><topic>Solid oxide fuel cells</topic><topic>Spinel</topic><topic>Temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Thaheem, Imdadullah</creatorcontrib><creatorcontrib>Kim, Kyeong Joon</creatorcontrib><creatorcontrib>Jong Jun Lee</creatorcontrib><creatorcontrib>Dong Woo Joh</creatorcontrib><creatorcontrib>Jeong, Incheol</creatorcontrib><creatorcontrib>Kang Taek Lee</creatorcontrib><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Journal of materials chemistry. 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source	Royal Society of Chemistry:Jisc Collections:Royal Society of Chemistry Read and Publish 2022-2024 (reading list)
subjects	Catalysts Cathodes Copper Electrical conductivity Electrical resistivity Fuel cells Fuel technology Manganese Oxidation Solid oxide fuel cells Spinel Temperature
title	High performance Mn1.3Co1.3Cu0.4O4 spinel based composite cathodes for intermediate temperature solid oxide fuel cells
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