Advanced Energy Materials
Advanced Energy Materials
4 years ago

Integrated Configuration Design for Ultrafast Rechargeable Dual-Ion Battery

Integrated Configuration Design for Ultrafast Rechargeable Dual-Ion Battery
Chunlei Jiang, Yongbing Tang, Jihui Lang, Yue Fang
In this work, an integrated dual-ion battery design is reported with active materials, current collectors, and separator, assembled in one flexible component. An aluminum film is deposited directly onto one side of the 3D porous glass fiber separator to form a porous anode. Cathode active materials are loaded on the other side of the separator with aluminum film deposited on the top as current collector. This design demonstrates ultrafast charge/discharge rate up to 120 C while maintaining high capacity of 116.1 mA h g−1. Moreover, long-term stability of over 1500 cycles at a high rate of 60 C is achieved. The estimated energy density remains as high as 232.6 W h kg−1 at an ultrahigh power density of 22634.5 W kg−1. An integrated dual-ion battery design is developed with active materials, current collectors, and separator, assembled in one flexible component. This design demonstrates high capacity retention close to 99% after 200 cycles at a high current rate of 120 C.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/aenm.201700913

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