Issue 48, 2015

Sodium-difluoro(oxalato)borate (NaDFOB): a new electrolyte salt for Na-ion batteries

Abstract

A new electrolyte salt, sodium-difluoro(oxalato)borate (NaDFOB), was synthesized and studied, which enables excellent reversible capacity and high rate capability when used in Na/Na0.44MnO2 half cells. NaDFOB has excellent compatibility with various common solvents used in Na-ion batteries, in strong contrast to the solvent dependent performances of NaClO4 and NaPF6. In addition, NaDFOB possesses good stability and generates no toxic or dangerous products when exposed to air and water. All these properties demonstrate that NaDFOB could be used to prepare high performance electrolytes for emerging Na-ion batteries.

Graphical abstract: Sodium-difluoro(oxalato)borate (NaDFOB): a new electrolyte salt for Na-ion batteries

Supplementary files

Article information

Article type
Communication
Submitted
08 Apr 2015
Accepted
07 May 2015
First published
07 May 2015

Chem. Commun., 2015,51, 9809-9812

Author version available

Sodium-difluoro(oxalato)borate (NaDFOB): a new electrolyte salt for Na-ion batteries

J. Chen, Z. Huang, C. Wang, S. Porter, B. Wang, W. Lie and H. K. Liu, Chem. Commun., 2015, 51, 9809 DOI: 10.1039/C5CC02901E

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