Carbon-Coated Porous Aluminum Foil Anode for High-Rate, Long-Term Cycling Stability, and High Energy Density Dual-Ion Batteries

A 3D porous Al foil coated with a uniform carbon layer (pAl/C) is prepared and used as the anode and current collector in a dual‐ion battery (DIB). The pAl/C‐graphite DIB demonstrates superior cycling stability and high rate performance, achieving a highly reversible capacity of 93 mAh g−1 after 100...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2016-12, Vol.28 (45), p.9979-9985
Main Authors: Tong, Xuefeng, Zhang, Fan, Ji, Bifa, Sheng, Maohua, Tang, Yongbing
Format: Article
Language:English
Subjects:
Anodes
Carbon
Cycles
cycling stability
dual-ion batteries
Electric potential
Energy density
Foils
porous aluminum
Stability
Voltage
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Summary:A 3D porous Al foil coated with a uniform carbon layer (pAl/C) is prepared and used as the anode and current collector in a dual‐ion battery (DIB). The pAl/C‐graphite DIB demonstrates superior cycling stability and high rate performance, achieving a highly reversible capacity of 93 mAh g−1 after 1000 cycles at 2 C over the voltage range of 3.0–4.95 V. In addition, the DIB could achieve an energy density of ≈204 Wh kg−1 at a high power density of 3084 W kg−1.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201603735