GM considers odd EV battery cell shapes for better cooling

General Motors Lego-like battery cell patent imageAs it seeks to address production issues with its current Ultium battery cells, General Motors may be considering something even more complex. First spotted by Motor1, a recently filed GM patent application discusses battery cells with Lego-like shapes meant to accommodate cooling channels. Instead of building battery modules out of a solid mass...

Nio and CATL ally for longer-life EV batteries, swapping tech

2025 Nio ET9Chinese automaker Nio is partnering with battery supplier CATL for research into longer-life EV batteries, including for use with Nio's battery-swapping service. The two companies "will jointly carry out discussions, make technological breakthroughs and innovation, and promote product applications," according to a Nio press release, with CATL...

20-year EV battery, 9-minute charging in Samsung SDI roadmap

Samsung logoSamsung SDI this week presented a battery-development roadmap with ambitious performance targets for charging, energy density, and battery life. On the charging front, the company believes it can begin mass-producing battery cells capable of being charged from 8% to 80% in just nine minutes by 2026. This will be made possible by "optimizing...