Polymer battery deal for HAPS basestation in the sky

December 24, 2020 //By Nick Flaherty
Polymer battery deal for HAPS basestation in the sky
HAPSMobile is to develop high density lithium ion batteries for its high altitude HAPS basestation in the sky using technology from APB in Japan.

HAPS is a stratospheric telecommunications platform that can provide mobile Internet connectivity, such as LTE and 5G, from the stratosphere to areas without Internet access. HAPS is developing the Sunglider unmanned aircraft that will act as a basestation in the sky, but needs significant power.

Battery technology is a key part of the design of these systems, with siliocn noades and lithium sulfur both being used for such systems. The APB polymer batteries are a key step in extending the time the basestation can operate by increasing the energy density.

Sunglider was tested in the air for the first time back in September in the US with the the world’s first successful delivery of a 4G LTE connection from the stratosphere.

The 700MHz LTE Band28 payload used in the test flight provided a continuous link for just 15 hours, enabling a video call between partners Loon and AeroVironment using 4G smartphones. The backhaul was enabled by a Band E millimetre wave link while using power to keep the drone in position in 58mph winds. Such basestations are intended to stay in teh air for weeks or months to provide cellular coverage. 

“Through this test we’ve obtained vital data that will accelerate the development of commercial services and improve the coverage and quality of our HAPS connectivity. We look forward to further developing the payload with Loon so we can revolutionize mobile connectivity and bridge the world’s digital divide,” said Junichi Miyakawa, Representative Director & CTO of SoftBank and President & CEO of HAPSMobile

Loon’s CEO Alastair Westgarth said, “This successful test represents yet another step to develop a new layer of connectivity based in the stratosphere. It is also an important step in our ongoing strategic partnership with HAPSMobile. By developing technologies to harness the opportunity of the stratosphere, we are making progress toward our shared goal of connecting unconnected and under-connected populations around the world.”

The APB technology was developed jointly

The Sunglider HAPS basestation in the sky has been tested in the stratosphere

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