# Thomas A. Yersak — Patents explained on PatentBrief

Thomas A. Yersak has 2 landmark patents explained in plain English on PatentBrief.

- [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.
- [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/inventor/thomas-a-yersak

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