Metal-Organic Frameworks for Lithium-Ion Battery Optimization

Metal-organic frameworks (MOFs) are crystalline materials composed of metal nodes coordinated to organic linkers, yielding highly porous networks with tunable chemistry and structure. In the context of lithium-ion batteries, MOFs offer multiple avenues for performance enhancement: they can function as active electrode materials, scaffold conductive additives, act as interfacial modifiers to stabilise solid–electrolyte interphases, or serve as host matrices for conversion and insertion reactions. The exceptionally high surface area and pore volume of MOFs facilitate rapid lithium-ion diffusion and accommodate volumetric changes during cycling, addressing key limitations of conventional electrode materials. Structural engineering—through linker functionalisation, pore-size tuning and isoreticular expansion—enables precise control over redox-active sites and electron transport pathways. Moreover, MOF-derived composites and carbonised derivatives combine the intrinsic benefits of MOFs with enhanced conductivity and mechanical resilience. Despite these advantages, challenges remain in overcoming low intrinsic electronic conductivity, ensuring long-term structural integrity under repeated lithiation–delithiation, and scaling synthesis for commercial application. Continued innovation in synthetic strategies, composite design and mechanistic understanding promises to translate the unique properties of MOFs into next-generation lithium-ion batteries with higher energy density, faster charging and extended cycle life.

Research from Nature Portfolio

Recent studies have demonstrated that tin-centred MOFs with extended organic linkers exhibit reversible coordination bonding during lithium insertion and extraction. By employing isoreticular expansion of organic ligands, these frameworks achieve homogenous dispersion of tin nodes within a robust matrix, resulting in enhanced utilisation of redox-active sites and improved reaction kinetics. Advanced spectroscopic analysis has revealed that coordination bonds can dynamically break and reform over successive cycles, effectively mitigating volume changes associated with tin-based anodes. This insight offers a paradigm for designing MOFs in which reversible metal–ligand interactions buffer mechanical stress and sustain high capacity retention.

Metal-Organic Frameworks for Lithium-Ion Battery Optimization publication trend

The graph below shows the total number of articles in metal-organic frameworks for lithium-ion battery optimization across all publications each year (not limited to Nature Index journals).

Technical terms

Metal–organic framework (MOF): A porous crystalline network formed by coordination bonds between metal ions or clusters and organic ligands.

Coordination bond: A chemical bond in which a metal atom accepts electron pairs from ligand molecules, forming a metal–ligand complex.

π-Aromatic conjugation: Overlap of p-orbitals across linked aromatic rings, enabling delocalisation of electrons and improved charge transport.

Conversion reaction: An electrochemical process in which an electrode material is transformed into new phases through redox reactions with lithium, often accompanied by high capacity.

Isoreticular expansion: Systematic extension of organic linkers in a framework to enlarge pore size and adjust network topology while maintaining the same underlying structure.

References

1. Manipulation of π-aromatic conjugation in two-dimensional Sn-organic materials for efficient lithium storage. eScience (2023).
2. Redox‐active Co(II) and Zn(II) Pincer Complexes as High‐Capacity Anode Materials for Lithium‐Ion Batteries. Advanced Science (2024).
3. Reversible formation of coordination bonds in Sn-based metal-organic frameworks for high-performance lithium storage. Nature Communications (2021).
4. Strategies to improve electrochemical performances of pristine metal‐organic frameworks‐based electrodes for lithium/sodium‐ion batteries. SmartMat (2021).