Lithium Metal Anode Development and Performance Optimization
Summary
Lithium metal anodes offer the highest theoretical capacity (3 860 mAh g⁻¹) and lowest reduction potential of all battery anodes, making them pivotal for next-generation high-energy storage. However, practical deployment has been hindered by uneven lithium plating, dendritic growth and continual volume changes, which degrade cycle life, reduce coulombic efficiency and pose safety risks. Advances have focused on engineering stable solid electrolyte interphases (SEI), designing three-dimensional conductive hosts and introducing lithiophilic sites to guide uniform deposition. Composite architectures formed by molten lithium infusion into porous carbon or alloy scaffolds have shown promise, as have tailored electrolyte formulations and functional interfacial coatings. These strategies collectively enhance ion transport, suppress dendrites and accommodate mechanical stress, thereby boosting areal and volumetric energy densities for applications in electric vehicles, grid storage and portable electronics.
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Lithium Metal Anode Development and Performance Optimization publication trend
The graph below shows the total number of articles in lithium metal anode development and performance optimization across all publications each year (not limited to Nature Index journals).
Technical terms
Solid electrolyte interphase (SEI): A passivating film formed on the anode during early cycles that regulates ion flux and protects against continuous electrolyte decomposition.
Dendrite: A needle-like lithium growth that emerges during plating, capable of piercing separators and causing internal short-circuits.
Lithiophilicity: The tendency of a surface to attract lithium ions, promoting uniform nucleation and deposition.
Coulombic efficiency: The ratio of discharge capacity to charge capacity each cycle, indicating the reversibility of lithium plating and stripping.
Areal energy density: The amount of energy stored per unit electrode area, a critical metric for scaling battery performance.
References
- Carbon‐based interface engineering and architecture design for high‐performance lithium metal anodes. Carbon Energy (2023).
- Conformal 3D Li/Li13Sn5 Scaffolds Anodes for High‐Areal Energy Density Flexible Lithium Metal Batteries. Advanced Science (2024).
- Superlithiophilic Amorphous SiO2–TiO2 Distributed into Porous Carbon Skeleton Enabling Uniform Lithium Deposition for Stable Lithium Metal Batteries. Advanced Science (2019).
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