
economist.com
May 22, 2026
1 min read
44/100
Summary
Breakthroughs for batteries could soon make them much better Solid-state cells would be faster and safer than today’s lithium-ion equivalents LIKE ANY champion who spends too long at the top, the lithium-ion battery is stagnating. Over decades as the battery of choice in everything from smartphones to electric cars and drones, its design has been tweaked countless times to improve its energy densi...