USPTO Patent Granted for Battery Electrode Cutting Device

ChangeBridge: Patent Grants - Batteries (H01M)

Published March 24th, 2026

Detected March 26th, 2026

Summary

The USPTO has granted a patent (US12583140B2) to LG Energy Solution, Ltd. for an electrode cutting device for batteries. The device features an all-in-one cutting cartridge module with adjustable upper and lower knives.

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What changed

The United States Patent and Trademark Office (USPTO) has granted patent US12583140B2 for an electrode cutting device for batteries. The patent, assigned to LG Energy Solution, Ltd., details an apparatus comprising an all-in-one cutting cartridge module with upper and lower knives, designed for precise adjustment of clearance and straightness. The filing date for this patent was November 10, 2021.

This patent grant is primarily an intellectual property matter and does not impose new regulatory obligations on companies. However, it signifies a technological advancement in battery manufacturing, potentially impacting competitors in the battery production sector. Manufacturers of battery components or related machinery may wish to review the patent details to understand the scope of the granted claims and ensure their own processes do not infringe upon this intellectual property.

Source document (simplified)

← USPTO Patent Grants

Electrode cutting device

Grant US12583140B2 Kind: B2 Mar 24, 2026

Assignee

LG Energy Solution, Ltd.

Inventors

Hyeon Jin Lee, Sin Young Park, Dong Hyeuk Park, Sang Wook Kim

Abstract

An apparatus for cutting an electrode of a battery includes: an all-in-one cutting cartridge module including an upper knife and a lower knife; and a cradle where the all-in-one cutting cartridge module is mounted. The all-in-one cutting cartridge module includes a module frame and an upper knife holding unit which fixes and supports the upper knife and is supported in a manner that is vertically slidable on the module frame, and the lower knife is coupled to a lower portion of the module frame to face the upper knife. The upper knife and the lower knife are installed at the module cartridge, it is possible to quantitatively adjust the clearance and straightness of the upper knife and the lower knife in advance.