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GM Bets Big on Cheaper Sodium Batteries
29 Jun
Summary
- Automakers are investing in sodium ion batteries as a lithium alternative.
- Sodium batteries offer lower costs and better temperature durability.
- Global demand for energy storage solutions is rapidly increasing.
Large automakers and energy storage suppliers are now investing in the production of sodium ion batteries, seeing them as a viable alternative to lithium-ion technology. General Motors announced it is building supply chains for sodium ion battery storage, with production set to begin in Michigan by 2028. This chemistry is seen as superior for grid-scale energy storage due to its durability and potential for lower system costs.
Demand for energy storage has soared as the power sector seeks more dispatchable power sources for data centers and to support renewable energy growth. Concerns over lithium supply and the improving cost and lifespan of sodium ion batteries are fueling these investments. While not yet widely deployed commercially, sodium ion batteries can operate in a broader temperature range than lithium-ion, making them suitable for various locations.
Companies like BYD and CATL are also investing heavily in sodium ion technology, with production plants planned or operational. This shift is also being driven by the need for energy security and reduced dependence on lithium imports, particularly in the United States, where domestic production can qualify for federal tax credits. The International Energy Agency predicts sodium-ion batteries will capture a significant share of energy storage additions by 2030.
