Tesla Patents a System That Catches Uneven Battery Cell Wear During Charging
Not all battery cells age at the same rate, and when some fall behind the others, you get shortened range, unexpected shutdowns,…
11 filings · category
Energy patents
Every Big Tech patent in the energy category, in plain English. Updated weekly from USPTO.
Recent filings
11 total
Samsung Patents a Rechargeable Cell Designed to Slow Battery Degradation Over Time
One of the biggest unsolved problems in next-generation batteries is keeping the two main layers from degrading where they touch. Samsung's new…
Samsung Patents a Crystal Powder That Could Let Batteries Charge Without Catching Fire
Samsung is patenting a brand-new material, a lithium compound with the chemical formula LiHfNaCl6, that could serve as the ion-conducting core of…
Tesla Patents a Locking Foot That Snaps Solar Roof Tiles Together
Tesla's Solar Roof tiles are known for being expensive and tricky to install. A newly published patent suggests the company is rethinking…
Tesla Patent Replaces Battery Metal Tabs With a Folded Electrode Edge
Tesla is filing patents on a battery electrode design that folds the metal foil into a hem along its edge, eliminating the…
Google's X Lab Patents a Way to Read Power Grid Data From Aerial Photos
Alphabet's X lab wants to figure out whether a transformer on a utility pole is rated for 25 kilovolt-amps or 50, without…
Samsung Patents Battery Material That Charges More Reliably Without Liquid Inside
Solid-state batteries have been the promised future of EVs and phones for years, but the electrolyte inside them is notoriously hard to…
Samsung Patents a Power Strip That Cuts Its Own Electricity and Wakes Up When You Walk Over
A lot of electricity gets wasted by devices that are just sitting there plugged in, doing nothing. Samsung's latest patent describes a…
Samsung Patents New Chloride-Based Solid Electrolyte for Solid-State Batteries
Samsung is exploring a new family of chloride-based solid electrolyte materials — compounds built from lithium, sodium, magnesium, and chlorine — that…
Tesla Patents a Simplified Electrode Material Process That Skips Costly Milling
Tesla is patenting a way to make the active materials inside EV battery electrodes without a grinding step that currently adds cost…
Tesla Patents a Precision Trimming System for Dry Electrode Battery Manufacturing
Tesla is filing patents deep in battery manufacturing process engineering — and this one tackles one of the trickiest steps in making…
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