Full profile interview
8 Sep 2025

Qingtao Energy Development
The foundation of QingTao Energy Development traces back to 2002 when a research team led by Professor Cewen Nan from Tsinghua University began exploring solid-state batteries. Early breakthroughs included the development of a lithium lanthanum titanate (LLTO) electrolyte in 2006 and a lithium lanthanum zirconium oxide (LLZO) electrolyte in 2010, both of which demonstrated excellent ionic conductivity and stability. In 2014, QingTao Energy Development was officially established, focusing on the industrialization of solid-state battery technologies.
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Full profile interview
13 Jan 2023

Qingtao Energy Development
Founded in 2014 by Professor Cewen Nan, Dean of School of Materials Science and Engineering, Tsinghua University, Chinese start-up QingTao Energy Development has been focused on the research, development and production of solid-state batteries.
Included are: