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Complex oxide nanomembranes for energy conversion and storage: A review

Published online by Cambridge University Press:  07 November 2013

Kian Kerman  and
Shriram Ramanathan
Kian Kerman*
Affiliation:
Materials Science Group in Applied Physics, Harvard School of Engineering and Applied Sciences, Cambridge, Massachusetts 02138
Shriram Ramanathan
Affiliation:
Materials Science Group in Applied Physics, Harvard School of Engineering and Applied Sciences, Cambridge, Massachusetts 02138
*
a) Address all correspondence to this author. e-mail: kkerman@fas.harvard.edu
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Abstract

Oxide membranes are the foundation of several electrochemical devices and sensors, where functionality is related to selective transport of electrons and ions through a membrane or physical responses from an external perturbation. The ability to engineer power sources and sensors for the rapidly growing field of autonomous systems requires high power density and specific energy. Clamped free-standing nanoscale membranes provide an experimentally tunable platform to explore the limits of dimensionality reduction for such purposes. This review addresses the following: (i) advancing experimental methods to fabricate nanoscale oxide membranes that can sustain a chemical potential gradient, thermomechanically stable under large thermal cycles, and can be electrically interrogated with negligible parasitic loss; (ii) a representative example of high performance energy devices, solid oxide fuel cells, utilizing such membranes; and (iii) a brief discussion on emerging research directions broadly in the areas of condensed matter sciences and energy conversion and storage intersecting low-dimensional complex oxide materials.

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Type
Invited Reviews
Information
Journal of Materials Research , Volume 29 , Issue 3: Focus Issue: Graphene and Beyond , 14 February 2014 , pp. 320 - 337
Copyright
Copyright © Materials Research Society 2013 

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References

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