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Magnesium sulfur battery information


A magnesium sulfur battery is a rechargeable battery that uses magnesium ion as its charge carrier, magnesium metal as anode and sulfur as cathode. To increase the electronic conductivity of cathode, sulfur is usually mixed with carbon to form a cathode composite. Magnesium sulfur battery is an emerging energy storage technology and now is still in the stage of research. It is of great interest since in theory the Mg/S chemistry can provide 1722 Wh/kg energy density with a voltage at ~1.7 V.

Magnesium is abundant, non-toxic and doesn't degrade in air. Most importantly, magnesium does not form dendrites during deposition/stripping process, which is attributed to be the main cause for the safety issue in lithium ion battery and rechargeable lithium battery. A first review on Mg-S batteries has been published in MRS Communications[1]

  1. ^ Zhao-Karger, Zhirong; Fichtner, Maximilian (September 2017). "Magnesium–sulfur battery: its beginning and recent progress". MRS Communications. 7 (4): 770–784. doi:10.1557/mrc.2017.101. ISSN 2159-6859. S2CID 49309970.

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