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Published on: November 11, 2013
Nanoporous Metal-Organic Framework Interphase Stabilized Ni0.6Co0.2Mn0.2O2 Cathode for High-Energy Lithium Batteries
Yifei Yang1, Yuzhu Tian1, Xiaofei Deng1
1Institute for Composites Science Innovation (InCSI), State Key Laboratory of Silicon and Advanced Semiconductor Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou, China.
Chemsuschem
|July 23, 2026
Summary
A novel metal-organic framework (MOF) coating stabilizes high-energy lithium-ion battery cathodes. This enhancement improves cycling stability and performance for advanced battery applications.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Ni-rich layered oxide cathodes are crucial for high-energy lithium-ion batteries.
- These cathodes face challenges like interfacial degradation and structural instability during cycling.
Purpose of the Study:
- To develop a strategy for enhancing the stability and electrochemical performance of Ni-rich cathodes.
- To investigate the use of metal-organic frameworks (MOFs) for interfacial engineering.
Main Methods:
- A facile mechanical fusion strategy was employed to coat Ni-rich NCM622 particles with a Zn-based MOF (ZIF-8).
- The modified cathode was tested in lithium-ion batteries and a MOF-based quasisolid-state lithium metal battery.
Main Results:
- The ZIF-8 coating acted as an ionic sieve, regulating Li+ desolvation and forming a stable cathode-electrolyte interphase.
- The modified cathode showed 92.0% capacity retention after 100 cycles at 1C and 72.0% at 5C.
- The quasisolid-state lithium metal battery achieved 80.2% capacity retention after 300 cycles.
Conclusions:
- MOF-enabled interfacial engineering effectively stabilizes Ni-rich cathodes.
- This approach holds significant potential for advancing high-energy-density lithium batteries.
