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Rational Design of Lower‐Temperature Solid Oxide Fuel Cell Cathodes via Nanotailoring of Co‐Assembled Composite Structures
Author(s) -
Lee Kang Taek,
Lidie Ashley A.,
Yoon Hee Sung,
Wachsman Eric D.
Publication year - 2014
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201408210
Subject(s) - cathode , materials science , nanocomposite , composite number , oxide , solid oxide fuel cell , polarization (electrochemistry) , chemical engineering , fuel cells , electrode , nanotechnology , composite material , chemistry , metallurgy , anode , engineering
A novel in situ co‐assembled nanocomposite LSM‐Bi 1.6 Er 0.4 O 3 (ESB) (icn‐LSMESB) was obtained by conjugated wet‐chemical synthesis. It showed an enhancement of the cathode polarization at 600 °C by >140 times relative to conventional LSM‐Y 0.08 Zr 0.84 O 1.92 (YSZ) cathodes and exceptional solid oxide fuel cell (SOFC) performance of >2 W cm −2 below 750 °C. This demonstrates that this novel cost‐effective and broadly applicable process provides new opportunities for performance enhancement of energy storage and conversion devices by nanotailoring of composite electrodes.