Lifecycle of lithium-ion batteries
Release time:2024-07-16 Click:61
Lithium ion batteries are widely used in electronic products, electric vehicles, and energy storage systems.
Understanding its lifecycle helps to better utilize and manage this important energy technology.
The main materials of lithium-ion batteries include:
Positive electrode materials: Such as lithium cobalt oxide, lithium manganese oxide, lithium nickel cobalt
manganese, etc.
Negative electrode material: Graphite is usually used.
Electrolyte: Lithium salt dissolved in organic solvents.
Diaphragm: Polyethylene or polypropylene film.
Electrode manufacturing: Coating the active material onto the current collector.
Battery assembly: Stacking or winding the positive and negative electrodes and separator into a battery cell,
injecting electrolyte and sealing it.
Initial charge and discharge: form a stable solid electrolyte interface facial mask (SEI film).
The performance of the new battery has been improved, and the SEI film is stable.
The battery has the best performance and the smallest capacity degradation.
The battery capacity and performance gradually decrease, electrode materials deteriorate, and electrolyte
decomposes.
Retired when the capacity drops to 80% of the initial capacity, but can continue to be used in applications with
low capacity requirements.
1.Preprocessing: discharge, disassembly, and crushing.
2.Separation: Separate battery components.
3.Reuse: Recycling materials for manufacturing new batteries or other products.
Conclusion
The lifecycle of lithium-ion batteries involves various stages of manufacturing, use, and recycling. Through technological
innovation and process optimization, performance can be improved, lifespan can be extended, environmental impact can
be reduced, and the sustainable development of energy structure can be promoted.
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