Battery Development and Engineering
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Capabilities
Cathode materials for Li-ion batteries
- NCA, NMC, LiFePO4, LiMn2O4, LiNi0.5Mn1.5O4
Anode materials for Li-ion batteries
- Fe2O3, SnO2, TiO2-SiO2 composite, Li4Ti5O12
Electrolyte tuning
- Battery electrolyte tuning and optimization
Li-ion coin cell and pouch cell prototype fabrication
- Slurry mixing
- Electrode coating
- Prototype assembly
- Cell testing
Bifunctional air-cathodes
- Air cathode decorated with transition-metal oxide nanoparticles
- Various composite powder bifunctional catalysts
Flexible zinc-air batteries
- Flexible and durable air-cathode fabrication
- Flexible cell fabrication
- Performance testing
Battery remanufacturing and recycling
- Advanced EIS for safety grading
- Electrical recondition for cell capacity recovery
- Closed-loop redox mediated electrified recycling system
- Direct recycling of anode and cathode for Li-ion batteries
Achievements
Our team has developed LiNi1-x-yCoxMnyO2, a higher-capacity yet economic alternative as compared to the traditional LiCoO2 cathode. This was first breakthrough in ternary cathodes of NCM523, NCM622 and NCM721.
Our team has developed anode materials of Fe2O3, SnOx, SiO2-TiO2 and Li4Ti5O12 etc. with 3D nano-architecture to overcome major limitations of high energy-density conversion-type electrode upon lithiation, such as mechanical failure and sluggish kinetics. Joint effort with companies includes the development of high energy density Li-ion battery using NCA/graphene composite cathode and graphite anode, and high-voltage phosphate cathode materials for all-solid state batteries.
The team has developed an all-solid-state flexible zinc-air battery that can survive frequent, repetitive mechanical deformations with satisfactory performances.
- S.L. Zhang et al., Engineering FeCo Dual Sites on Tube-on-Plate Hollow Structure for Efficient Oxygen Electroreduction, ACS Appl. Mater. Interfaces 2024, Doi: 10.1021/acsami.3c13941
- J. Zhang et al., Rejuvenation of Aged Graphite Anodes from Spent Lithium-Ion Batteries via a Facile Surface Treatment Strategy, Chem. Commun. 2023, 59, 9702.
- B. Li et al., String of Pyrolyzed ZIF-67 Particles on Carbon Fibers for High-Performance Electrocatalysis, Energy Storage Mater. 2020, 25, 137.
- A. Sumboja et al., All-Solid-State, Foldable, and Rechargeable Zn-Air Batteries based on Manganese Oxide Grown on Graphene Coated Carbon Cloth Air Cathode, Adv. Energy Mater. 2017, 7, 1700927.
- Z.L. Liu et al., Synthesis and characterization of LiNi1-x-yCoxMnyO2 as the cathode materials in secondary lithium batteries, J. Power Sources 1999, 81, 416.
- N. Ding et al., Rational design of LiNi0.8Co0.15Al0.05O2 cathode with high-energy density, Solid State Ionics 2018, 323, 72.
- B. Li et al., A robust hybrid Zn-battery with ultralong cycle life, Nano Letters 2017, 17, 156.
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