Rechargeable Mg-O₂ battery uses metal-free nanoporous graphene cathode

Rechargeable Mg-O₂ battery uses metal-free nanoporous graphene cathode

Large-capacity rechargeable batteries capable of sustaining repeated charge-discharge cycles are expected to become core technologies for electric vehicles and other elements of an electrified society. However, current systems often rely on costly metals such as lithium and platinum, creating an urgent demand for more cost-effective alternative materials.

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