---
title: "Solid-state EV batteries hit another major milestone in China"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/287264396.md"
description: "Ganfeng Lithium, China's largest lithium producer, has launched the world's first 10 Ah solid-state batteries with an energy density of 500 Wh/kg. The company holds supply agreements with major automakers including Tesla, Volkswagen, and Hyundai, and recently secured a four-year deal with Hyundai for lithium hydroxide, essential for EV batteries."
datetime: "2026-05-21T19:32:39.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/287264396.md)
  - [en](https://longbridge.com/en/news/287264396.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/287264396.md)
---

# Solid-state EV batteries hit another major milestone in China

Chinese lithium metal giant Ganfeng Lithium has begun producing what it calls the world’s first 10 Ah solid-state batteries with an energy density of 500 Wh/kg. The lithium giant has supply deals with Tesla, Volkswagen, Hyundai, and several other major OEMs for key EV battery materials.

## Ganeng Lithium advances solid-state EV batteries

Ganfeng is China’s largest lithium compounds producer and the world’s leading lithium metals manufacturer. It accounts for roughly 45% of the global lithium metal market and 70% in China.

The company has secured deals with Tesla, Hyundai, BMW, Volkswagen, and several leading Chinese automakers to supply key EV battery materials.

Most recently, Ganfeng and Hyundai signed a four-year deal to supply lithium hydroxide, a critical raw material for EV batteries.

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