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author：

Yi, Y. (Yi, Y..) [1] | Xi, X. (Xi, X..) [2] | Huang, L. (Huang, L..) [3] | Liu, X. (Liu, X..) [4] | Liao, Y. (Liao, Y..) [5] | Liu, J. (Liu, J..) [6] | Long, J. (Long, J..) [7] | Zhang, J. (Zhang, J..) [8] | Fu, X.-Z. (Fu, X.-Z..) [9] | Luo, J.-L. (Luo, J.-L..) [10]

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Scopus

Abstract：

Sr2Fe1.5Mo0.5O6-δ　(SFM)　perovskite　oxide　is　one　of　the　most　promising　materials　for　solid　oxide　fuel　cells　(SOFCs)　anode.　However,　the　low　catalytic　activity　is　a　major　roadblock　that　obstructs　its　practical　applications.　Although　in　situ　exsolution　of　B-site　metals　is　demonstrated　as　a　promising　approach　to　enhancing　its　performance,　it　can　easily　induce　the　co-segregation　of　A-site　Sr,　which　seriously　deteriorates　the　performance　stability.　In　this　work,　the　A-site　Sr　element　in　SFM　is　partially　replaced　by　Pr,　while　B-site　Mo　is　partially　replaced　by　Ni.　The　in　situ　co-exsolution　of　both　FeNi　alloy　and　PrOx　nanoparticles　on　the　reduced　Pr0.8Sr1.2Fe1.5Mo0.3Ni0.2O6-δ　(R-PSFMN)　perovskite　is　successfully　achieved.　It　is　found　that　the　peak　power　densities　(Pmax)　of　the　single　cell　using　R-PSFMN　as　the　anode　reaches　as　high　as　2.29,　1.60,　1.07,　and　0.67 W cm−2　in　H2　atmosphere　at　the　operating　temperatures　of　850,　800,　750　and　700 °C,　respectively.　Furthermore,　it　also　exhibits　excellent　performance　stability　and　anticoke　properties　when　using　ethane　as　fuel.　The　impregnation　experiment　further　corroborates　that　the　improved　performance　and　stability　are　partly　attributable　to　the　contribution　of　PrOx　nanoparticles,　presenting　a　promising　approach　to　enhance　the　electrochemical　performance　of　SOFC　perovskite　anodes.　©　2024　Wiley-VCH　GmbH.

Keyword：

anticoke in situ exsolution perovskite anode PrOx SOFC

Community：

  • [ 1 ] [Yi Y.]Guangdong Provincial Key Laboratory of New Energy Materials Service Safety, Shenzhen Key Laboratory of Energy Electrocatalytic Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
  • [ 2 ] [Xi X.]Dongguan Key Laboratory of Interdisciplinary Science for Advanced Materials and Large-Scale Scientific Facilities, School of Physical Sciences, Great Bay University, Guangdong, Dongguan, 523000, China
  • [ 3 ] [Huang L.]Guangdong Provincial Key Laboratory of New Energy Materials Service Safety, Shenzhen Key Laboratory of Energy Electrocatalytic Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
  • [ 4 ] [Liu X.]Guangdong Provincial Key Laboratory of New Energy Materials Service Safety, Shenzhen Key Laboratory of Energy Electrocatalytic Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
  • [ 5 ] [Liao Y.]Guangdong Provincial Key Laboratory of New Energy Materials Service Safety, Shenzhen Key Laboratory of Energy Electrocatalytic Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
  • [ 6 ] [Liu J.]Guangdong Provincial Key Laboratory of New Energy Materials Service Safety, Shenzhen Key Laboratory of Energy Electrocatalytic Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
  • [ 7 ] [Long J.]Guangdong Provincial Key Laboratory of New Energy Materials Service Safety, Shenzhen Key Laboratory of Energy Electrocatalytic Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
  • [ 8 ] [Zhang J.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 9 ] [Fu X.-Z.]Guangdong Provincial Key Laboratory of New Energy Materials Service Safety, Shenzhen Key Laboratory of Energy Electrocatalytic Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
  • [ 10 ] [Luo J.-L.]Guangdong Provincial Key Laboratory of New Energy Materials Service Safety, Shenzhen Key Laboratory of Energy Electrocatalytic Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China

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Advanced Functional Materials

ISSN： 1616-301X

Year： 2024

Issue： 2

Volume： 35

1 8 . 5 0 0

JCR@2023

CAS Journal Grade：1

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 1

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