SoftBank Demos Lithium-Metal Battery For Stratospheric Platforms
High specific-energy lithium-metal batteries could power stratospheric communications platforms.
Credit: HAPSMobile
Japan’s SoftBank has flight tested a lithium-metal battery with high specific energy and the ability to operate at low pressures and temperatures to power high-altitude platform stations (HAPS), providing wireless communications from the stratosphere. The company conducted a charge-discharge cycle...
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