GM Global Technology Operations

Boosting Solid-State Batteries with a Capacitor Interlayer

This patent describes a solid-state battery design that includes a special capacitor-like layer between the main battery parts to improve performance and stability.

Improving Lithium Battery Life with a Built-in Lithium Source

This patent describes a method for building rechargeable lithium-based batteries with a special extra lithium source electrode inside that helps the main battery parts work better and last longer by giving them an initial charge of lithium ions.

How a Hybrid Layer Stops Metal Growths in Lithium Batteries

This patent describes a special multi-layered electrolyte system for lithium metal batteries that uses a stiff, hybrid material to block dangerous metal growths, aiming for safer, higher-energy batteries.

How to Fast-Charge Lithium Batteries Without Damaging Them

This patent describes a three-phase method for quickly charging lithium-ion batteries while carefully controlling voltages to prevent harmful lithium metal buildup and electrolyte damage.