A non-carbon cathode electrode for lithium–oxygen batteries

Z.H. Wei, P. Tan, L. An and T.S. Zhao

Applied Energy, 2014, vol. 130, issue C, 134-138

Abstract: Carbon materials have been widely used to form cathodes for non-aqueous lithium–oxygen batteries. A critical problem with the use of carbon in this type of battery, however, is corrosion. To address this issue, we propose and fabricate a non-carbon cathode electrode consisting of MnO2-deposited stainless steel (SS) felts. Amorphous MnO2 layer are electrodeposited on the surfaces of SS fibers at an anodic current in a manganese acetate solution. The use of the MnO2–SS electrode in a non-aqueous lithium–oxygen battery delivers a specific capacity of 1780mAhgMnO2-1. Furthermore, the discharge/charge cycle test with a fixed capacity of 500mAhgMnO2-1 shows that this electrode can discharge/charge for more than 10 cycles without degradation. It is, therefore, expected that this novel non-carbon and stable cathode is a promising electrode for high-performance lithium–oxygen batteries.

Keywords: Li–O2 batteries; Non-carbon cathode; MnO2–stainless steel (search for similar items in EconPapers)
Date: 2014
References: View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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DOI: 10.1016/j.apenergy.2014.05.029

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