Electrochemical Properties of Lithium-Ion Battery Anodes

The anode in a lithium-ion battery plays a critical role in determining energy density, power delivery and service life. Its electrochemical properties are governed by mechanisms of lithium intercalation, alloying and conversion reactions, which dictate specific capacity, voltage profile and cycling stability. Key performance metrics include high reversible capacity, fast charge–discharge kinetics, minimal volumetric expansion and stable interface formation. Nanostructured materials, composite architectures and conductive coatings are routinely employed to enhance electron transport, buffer mechanical stresses and promote rapid ion diffusion. The formation of a robust solid electrolyte interphase (SEI) is also essential to suppress parasitic reactions and ensure long-term cyclability. Advances in material design have global implications, offering prospects for electric vehicles, portable electronics and grid-scale storage by reconciling the conflicting demands of high capacity and durability.

Research from Nature Portfolio

No recent Nature Portfolio content available.

Electrochemical Properties of Lithium-Ion Battery Anodes publication trend

The graph below shows the total number of articles in electrochemical properties of lithium-ion battery anodes across all publications each year (not limited to Nature Index journals).

Technical terms

Specific capacity: The amount of charge stored per unit mass of electrode material, measured in mAh g−1.

Coulombic efficiency: The ratio of charge extracted during discharge to the charge input during charging, indicating reversibility and loss mechanisms.

Solid electrolyte interphase (SEI): A passivation layer formed on the anode during initial cycles that stabilises the electrolyte–electrode interface.

Volumetric expansion: The change in electrode volume upon lithiation, which can induce mechanical stress and particle fracture.

Rate capability: The ability of an electrode to maintain capacity at high charge–discharge currents without significant performance loss.

References

1. Intense pulsed light-induced Sn@SnO@C core-shell nanocomposite with controlled air oxidation from inkjet-printed Sn nanoparticles for advanced binder-free Li-ion batteries. Journal of Energy Storage (2025).
2. Dealloying-Derived Nanoporous Cu6Sn5 Alloy as Stable Anode Materials for Lithium-Ion Batteries. Materials (2021).
3. Cobalt‐doped Cu6Sn5 lithium‐ion battery anodes with enhanced electrochemical properties. Nano Select (2022).