# CATL chief: solid-state batteries at 'level 4 of 9,' no leap until 2030

> Robin Zeng Yuqun, the founder and chairman of CATL, the world’s largest EV battery maker, just poured cold water on the solid-state battery hype, saying the much-anticipated technology is only at “level four” of a…

- **Source:** [Electrek](https://electrek.co/2026/06/25/catl-solid-state-battery-level-4-2030/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a3d4ccd078cc66b6594546c)
- **Published:** 2026-06-25
- **Category:** Cars
- **Tags:** #ev
- **Canonical:** http://localhost:4321/a/6a3d4ccd078cc66b6594546c

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