Electron Reconstruction at Heterointerface Enables Stable‐Fermi‐Level Lithium Metal Anodes

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Novel design enhances Fermi-level stability and Li deposition in lithium metal anodes, indicating improved performance.

The stability of the Fermi-level is critical for lithium metal anodes, enhancing Li deposition uniformity and lifespan.
Up to 85.1% capacity retention is achieved after 500 cycles in full cells with Co/CoSe2 heterostructure.
The design employs a sea cucumber-like carbon cloth, optimizing both the electrode interface and lithium ion dynamics.
Stabilizing the interfacial Fermi-level through this approach mitigates parasitic reactions, promoting efficiency in metal batteries.

Xie et al. (2025) studied this question.

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