# Sam Dai

> Sam Dai is the co-founder and CEO of Enpower Greentech, a battery cell maker building semi-solid-state, lithium-metal, and silicon-rich cells. Trained as a physicist at Tsinghua and a materials scientist at UT Austin under Nobel laureate John B. Goodenough, he started the company in 2012 with fellow post-doc Che Yong. The company has shipped over 3 million solid-state cells, holds more than 100 patents, and runs facilities across the US, China, Japan, and Germany. Dai was selected for Unreasonable Impact Asia Pacific 2024.

- **Role:** Co-Founder and CEO at Enpower Greentech Inc.
- **Organizations:** Enpower Greentech Inc., Hewlett-Packard Company (former)
- **Nationality:** United States (originally from China)
- **Education:** BSc and MSc in Physics, Tsinghua University, PhD in Materials Science and Engineering (advised by Nobel laureate John B. Goodenough), University of Texas at Austin
- **Known for:** Co-founded and leads Enpower Greentech, which has shipped over 3 million solid-state cells globally, Company holds more than 100 patents on lithium metal anode chemistries, Built battery R&D and manufacturing operations across the US, China, Japan, and Germany

## Career timeline

- **—** — Earned BSc and MSc in Physics at Tsinghua University
- **—** — Completed PhD in Materials Science and Engineering at UT Austin under Nobel laureate John B. Goodenough
- **—** — Master Engineer/Scientist and R&D Manager at Hewlett-Packard Company
- **—** — Senior Director of R&D and CTO at a US renewable energy firm
- **2012** — Co-founded Enpower Greentech with Dr. Che Yong
- **2024** — Selected for Unreasonable Impact Asia Pacific 2024

## Achievements

- Co-founded and leads Enpower Greentech, which has shipped over 3 million solid-state cells globally
- Company holds more than 100 patents on lithium metal anode chemistries
- Built battery R&D and manufacturing operations across the US, China, Japan, and Germany
- Selected as an Unreasonable Fellow (Unreasonable Impact Asia Pacific 2024)
- 15 years leading product innovation and commercialization of billion-dollar businesses
- Trained directly under Nobel laureate John B. Goodenough, inventor of the lithium-ion cathode

## Latest updates

- **2024-12** — Enpower Greentech raised a Series B funding round
- **2024** — Sam Dai selected for the Unreasonable Impact Asia Pacific 2024 program

## Links

- Website: https://enpower-greentech.eu
- LinkedIn: http://www.linkedin.com/in/sam-dai-40b8249

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Profile page: https://yespress.io/sam-dai
Published by YesPress — https://yespress.io
Last updated: 2026-07-29