Jump to main content
Jump to site search

Issue 2, 2017
Previous Article Next Article

A long cycle-life and high safety Na+/Mg2+ hybrid-ion battery built by using a TiS2 derived titanium sulfide cathode

Author affiliations

Abstract

The practical uses of magnesium-ion batteries are hindered by their poor rate capability and fast capacity decay. Moreover, traditional sodium ion batteries suffer from serious safety problems resulting from the sodium dendrites formed on the anode. In order to circumvent these problems, we designed a highly reversible Na+/Mg2+ hybrid-ion battery composed of a metallic Mg anode, a TiS2 derived titanium sulfide cathode and a 1.0 M NaBH4 + 0.1 M Mg(BH4)2/diglyme hybrid electrolyte. The battery showed remarkable electrochemical performances with a large discharge capacity (200 mA h gāˆ’1 at the 1C rate), high rate capability (75 mA h gāˆ’1 at the 20C rate) and long cycle life (90% capacity retention after 3000 cycles). Moreover, it exhibited excellent safety properties due to dendrite-free Mg deposition of the anode and the high thermal stability of the cathode. These merits demonstrate the great potential of the reported Na+/Mg2+ hybrid-ion battery for large-scale energy storage.

Graphical abstract: A long cycle-life and high safety Na+/Mg2+ hybrid-ion battery built by using a TiS2 derived titanium sulfide cathode

Back to tab navigation
Please wait while Download options loads

Supplementary files

Publication details

The article was received on 30 Sep 2016, accepted on 23 Nov 2016 and first published on 23 Nov 2016


Article type: Paper
DOI: 10.1039/C6TA08505A
Citation: J. Mater. Chem. A, 2017,5, 600-608
  •   Request permissions

    A long cycle-life and high safety Na+/Mg2+ hybrid-ion battery built by using a TiS2 derived titanium sulfide cathode

    X. Bian, Y. Gao, Q. Fu, S. Indris, Y. Ju, Y. Meng, F. Du, N. Bramnik, H. Ehrenberg and Y. Wei, J. Mater. Chem. A, 2017, 5, 600
    DOI: 10.1039/C6TA08505A

Search articles by author