# New solid-state battery electrolyte retains over 84% of its capacity after 350 cycles

> Solid-state batteries promise longer range, faster charging, and improved safety, but durability has been a major hurdle.

- **Source:** [Electrek](https://electrek.co/2026/06/22/solid-state-battery-electrolyte-retains-84-capacity-after-350-cycles/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a397f9ac2d36efd861b6e7c)
- **Published:** 2026-06-22
- **Category:** Cars
- **Tags:** #battery #solid #state #batteries #capacity #cycles #electrolyte #retains
- **Canonical:** http://localhost:4321/a/6a397f9ac2d36efd861b6e7c

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_GearOpen's distilled summary. The full original article is published at Electrek (source link above); GearOpen does not republish the source's full text._