# GM Global Technology Operations — Patents explained on PatentBrief

GM Global Technology Operations has 7 landmark patents explained in plain English on PatentBrief.

- [How to Build Solid-State Batteries with Tiny Holes for Better Electrolyte](https://patentbrief.org/patent/us/11942620/solid-state-battery-with-uniformly-distributed-electrolyte-and-methods-of-fabric) — granted 2024
  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.
- [Making Solid-State Battery Electrodes That Don't Swell and Crack](https://patentbrief.org/patent/us/11239459/low-expansion-composite-electrodes-for-all-solid-state-batteries) — granted 2022
  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.
- [Boosting Solid-State Batteries with a Capacitor Interlayer](https://patentbrief.org/patent/us/11145922/solid-state-battery-having-a-capacitor-assisted-interlayer) — granted 2021
  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.
- [How Self-Driving Cars Find Clear Paths Between Objects](https://patentbrief.org/patent/us/10733420/systems-and-methods-for-free-space-inference-to-break-apart-clustered-objects-in) — granted 2020
  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](https://patentbrief.org/patent/us/10700376/methods-for-fast-charging-and-detecting-lithium-plating-in-lithium-ion-batteries) — granted 2020
  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.
- [Improving Lithium Battery Life with a Built-in Lithium Source](https://patentbrief.org/patent/us/10593988/electrochemical-cell-for-lithium-based-batteries) — granted 2020
  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](https://patentbrief.org/patent/us/10566652/lithium-metal-battery-with-hybrid-electrolyte-system) — granted 2020
  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.

**Full profile:** https://patentbrief.org/company/gm-global-technology-operations

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._