Sion Power, an American battery company founded in 1994, develops high-energy lithium-metal rechargeable battery technology. The company recently announced plans to expand its battery manufacturing operations in Tucson by 2026.
Challenges: high capacity lithium battery
It is desirable to use lithium metal electrodes in lithium batteries due to their high energy density. However, lithium metal electrodes are prone to undesirable reactions during the fabrication and cycling of the electrochemical cells. Using innovative techniques, several companies have developed stable lithium metal batteries  to overcome this obstacle.
Sion Power Technology
Sion Power developed high energy lithium metal batteries based on utilizing stable lithium metal anode fabricated with its own innovative vacuum deposition systems, coating lithium metal anode with polymer/ceramic hybrid layer, optimizing  electrolyte additives, and applying mechanical force to the batteries.
Sion Power battery
The figure below depicts the structure of Sion Power’s lithium metal battery.
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