articleAdvanced MaterialsOct 26, 2016Closed access

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

DSDawei SuAMAndrew M. McDonaghSQShi‐Zhang QiaoGWGuoxiu Wang

University of Technology Sydney · University of Adelaide

PubMed
Indexed incrossrefpubmed

Abstract

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.

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Authors

4

Topics & keywords

Topics
Keywords
  • Materials science
  • Aqueous solution
  • Electrochemistry
  • Cathode
  • Energy storage
  • Battery (electricity)
  • Electrolyte
  • Potassium
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