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Frontispiece: The Development of Zn–Ce Hybrid Redox Flow Batteries for Energy Storage and Their Continuing Challenges
Author(s) -
Walsh Frank C.,
Ponce de Léon Carlos,
Berlouis Len,
Nikiforidis George,
ArenasMartínez Luis F.,
Hodgson David,
Hall David
Publication year - 2015
Publication title -
chempluschem
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.801
H-Index - 61
ISSN - 2192-6506
DOI - 10.1002/cplu.201580262
Subject(s) - redox , faraday efficiency , electrode , cerium , stack (abstract data type) , titanium , energy storage , materials science , flow battery , zinc , chemical engineering , nanotechnology , inorganic chemistry , chemistry , metallurgy , anode , computer science , thermodynamics , physics , power (physics) , engineering , electrolyte , programming language
The frontispiece shows an external view of a pilot ZnCe redox flow cell stack nominally rated at 0.25 kA and 0.5 kW. The cell comprises > 60 bipolar titanium electrodes of approximate size 60 cm×40 cm for the negative zinc electrode compartment and a similar number of platinized titanium electrodes for the cerium compartment. The projected area of each electrode is 0.24 m 2 with an interelectrode gap of 2.5 mm. An expanded view of a single cell is also presented together with performance data showing the variation of the coulombic, voltage, and energy efficiency with the number of cycles. The development of ZnCe hybrid redox flow batteries is highlighted in the Review by Frank C. Walsh et al. on page  288 .

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