Did Scientists Just Solve The Biggest Mystery Holding Back Solid-State Batteries? | OilPrice.com Alex Kimani Alex Kimani is a veteran finance writer, investor, engineer and researcher for Safehaven.com.  More Info Premium Content By Alex Kimani - Jul 19, 2026, 6:00 PM CDT Scientists have identified the root causes of solid-state battery failures, discovering that internal pressure cracks the electrolyte while electrical imbalances trigger lithium growth that causes short circuits. The findings could accelerate commercialization by turning a long-standing scientific mystery into a solvable engineering challenge. Automakers including Toyota, Honda, Mercedes-Benz, and BMW are investing billions in solid-state batteries, with commercial...