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.

Making Solid-State Battery Electrodes That Don't Swell and Crack

This patent describes a special design for solid-state battery electrodes that uses tiny internal holes and spaces between particles to prevent them from expanding and cracking during charging and discharging.

How to Build Solid-State Batteries with Tiny Holes for Better Electrolyte

This patent describes a method for manufacturing solid-state batteries by punching small holes through battery electrodes and then filling these holes with a liquid that hardens into a solid electrolyte, aiming for more efficient power delivery.

How Self-Driving Cars Find Clear Paths Between Objects

This patent describes a method for vehicles, especially self-driving ones, to use lidar data and a 3D grid to precisely identify open spaces between obstacles, helping them navigate safely.

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.