Definition:
A rechargeable battery that uses sodium ions instead of lithium, offering a cost-effective and sustainable alternative.
Key Components:
- Sodium-based cathode and anode
- Non-flammable electrolyte
- High-cycle durability materials
Use Cases/Industries:
- Grid-scale energy storage
- Low-cost battery applications
- Emerging alternatives for EVs
Advantages:
- Abundant raw materials (sodium vs. lithium)
- Lower cost compared to lithium-ion batteries
- Safer with lower fire risks
Challenges:
- Lower energy density than lithium-ion batteries
- Still in early commercialization stages
- Limited large-scale manufacturing infrastructure
Related Terms:
Lithium-Ion Battery, Flow Battery, Battery Energy Storage System (BESS)
Example:
China’s CATL is developing sodium-ion battery technology for affordable large-scale energy storage applications.
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Synonyms:
Na-Ion Battery, Sodium Battery, SIB
