High‐Capacity Aqueous Potassium‐Ion Batteries for Large‐Scale Energy Storage

High‐Capacity Aqueous Potassium‐Ion Batteries for Large‐Scale Energy Storage

A potassium iron (II) hexacyanoferrate nanocube cathode material is reported, which operates with an aqueous electrolyte to deliver exceptionally high capacities (up to 120 mA h g−1). The cathode material exhibits excellent structural integrity, leading to fast kinetics and highly reversible propert...

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Bibliographic Details
Published in:Advanced materials (Weinheim) Vol. 29; no. 1; pp. np - n/a
Main Authors: Su, Dawei, McDonagh, Andrew, Qiao, Shi‐Zhang, Wang, Guoxiu
Format: Journal Article
Language:English
Published: Germany Wiley Subscription Services, Inc 01-01-2017
Subjects:
Aqueous electrolytes
aqueous potassium‐ion batteries
Cathodes
Electrochemical analysis
Energy storage
high capacity
Iron
large‐scale energy storage
Materials science
Nanostructure
Potassium
potassium iron hexacyanoferrate dihydrate cathodes
Storage batteries
Structural integrity
aqueous potassium-ion batteries
large-scale energy storage
high capacity
potassium iron hexacyanoferrate dihydrate cathodes
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Description
Summary:A potassium iron (II) hexacyanoferrate nanocube cathode material is reported, which operates with an aqueous electrolyte to deliver exceptionally high capacities (up to 120 mA h g−1). The cathode material exhibits excellent structural integrity, leading to fast kinetics and highly reversible properties. All of the battery materials are safe, inexpensive, and provide superior high‐rate, long‐cycle‐life electrochemical performance.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201604007