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23. 08. 2019 10:08


Prototype solid-state battery sets energy density record

TeraWatt's breakthrough solid-state battery technology has set a new record for energy density - of almost double that achieved with lithium-ion.

Its 4.5Ah prototype solid-state battery design achieved a record-breaking energy density of 432Wh/kg (1,122Wh/L) in validation tests conducted by third parties, including TOYO System based in Japan.Branded TERA3.0, this 4.5Ah next-generation design will be available for select early adopters in 2021

This breakthrough lays the foundation for designing next-generation electric vehicles and other devices offering nearly twice the battery life compared with current lithium-ion based devices.

Branded TERA3.0, this 4.5Ah next-generation design will be available for select early adopters in 2021 and full release in 2022.


Designed for mass production

“As TERA3.0 is designed for mass production using current lithium-ion production equipment, we can accelerate mass adoption without imposing a massive financial burden to manufacturers and consumers," says Dr Ken Ogata, Senior Manager, Battery Technology of SERES.

“TERA3.0 is a significant step beyond the traditional lithium-ion solutions that have dominated for the past 30 years.

“Through our solid-state technologies, consumers will be enjoying longer-lasting, safer and more reliable devices sooner."


More than 80 patents

Operating from twin R&D centers in Santa Clara, California, and Tokyo, Japan, TeraWatt's team has already filed more than 80 patents.

The team is also open to strategic partnerships and external investment for firms interested in accelerating mass production of next-generation battery technologies.

TeraWatt Technology continues to develop the TERA3.0 design, as well as additional designs including different cell formats, sizes and energy capacities.

TeraWatt Technology was established in 2017 as a division of SF Motors Inc. a global transport technology company with headquarters in Santa Clara, California, and is led by industry leaders Dr Yifan Tang, Dr Ken Ogata and Dr Chengyu Mao.

The 4.5Ah prototype was first revealed  by Dr Yifan Tang, Chief Technology Officer of SERES, at last month’s FISITA PLUS 2019, mobility engineering conference in London.


About TeraWatt Technology

TeraWatt Technology is a division of SF Motors Inc. (d.b.a. SERES) engaging in advanced battery technology R&D.

SERES is a global transport technology company developing and manufacturing intelligent electric vehicles to create safer, cleaner, more sustainable communities.

Its technologies are focused on delivering improved safety, convenience and performance to a global market.

SERES owns and operates manufacturing, assembly and research and development facilities across the U.S., China and Japan.

For more information visit


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