High-Rate and High-Voltage Aqueous Rechargeable Zinc Ammonium Hybrid Battery from Selective Cation Intercalation Cathode

Chunyang Li, Jianghua Wu, Fuxiang Ma, Yuhui Chen, Lijun Fu, Yusong Zhu, Yi Zhang, Peng Wang, Yuping Wu, Wei Huang

Research output: Contribution to journalArticlepeer-review

75 Scopus citations

Abstract

The shortage of lithium resources is promoting the development of cost-efficient battery candidates, especially aqueous rechargeable batteries (ARBs) with high safety and power density. Copper hexacyanoferrate (CuHCF) nanoparticles with high redox potential and rate capability is employed as the battery cathode for hosting ammonium-ion coupling with low-cost zinc anode. Benefiting from the selective ammonium-ion channel in CuHCF, an aqueous rechargeable zinc ammonium hybrid battery is successfully engineered. It presents high cell voltage (1.8 V), outstanding rate performance, low self-discharge, and satisfactory energy density of 114 Wh kg-1 in consideration of total electrodes' active mass.

Original languageEnglish
Pages (from-to)6984-6989
Number of pages6
JournalACS Applied Energy Materials
Volume2
Issue number10
DOIs
StatePublished - 28 Oct 2019
Externally publishedYes

Keywords

  • ammonium-ion insertion
  • high voltage
  • hybrid battery
  • Prussian blue analogue
  • selective ion channel

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