Team Develops High-Capacity Li-ion Sulfur Battery; No Li-metal Anode

The “classic” high-energy capacity Lithium-sulfur battery is predicated on the use of a sulfur-based cathode and a Lithium-metal anode.  Among the issues hampering the commercialization of this attractive technology are the safety and performance issues associated with the use of the lithium-metal anode.  Accordingly, a number of different approaches have been taken to try to address these issues.

Now, a team from Spain, Italy and Germany reports an efficient lithium‐ion battery using an enhanced sulfur–carbon composite cathode that exploits graphene carbon with a 3D array (3DG‐S) and a silicon oxide‐based anode (LiySiOx–C)—i.e. avoiding the use of a Li metal anode entirely.

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