About Eleven Energy
Eleven Energy is a Cambridge, UK-based clean technology company developing smarter sodium-ion battery solutions for homes and commercial applications.
We chose the name Eleven because it represents sodium’s atomic number — a key element at the heart of our battery technology.
Our mission is to create reliable and eco-friendly energy storage
Eleven Energy was founded on the belief that the battery storage market needs safer, more sustainable alternatives.
We focus on sodium-ion technology because it uses more abundant materials, offers strong safety characteristics and is well suited to stationary energy storage. Our goal is to make sodium-ion battery systems practical, reliable and accessible for everyday homes and businesses.
Eleven Energy is built by a team with experience across battery technology, renewable energy, product development, operations and customer support.

Yichen Shi
Chief Executive Officer

Neil French
Chief Technology Officer

Andy Rankin
Chief Growth Officer

Teng Long
Scientific Advisor & NED

Alex Foster
Technical Sales Specialist

Sarah Wang
Supply Chain Manager

Mariza Marshall
Operations & Executive Assistant