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SamsungGranted patentBatteries & energyInterest 4/10

Samsung patents new lithium compound for battery electrodes

Samsung has been granted a patent for a specific chemical compound used as an active material in battery electrodes. The material combines lithium, nickel, and other metals in a precise ratio to form a crystal structure that stores energy.

Why it mattersThis filing details a specific chemical formula that could help improve the performance or stability of future rechargeable batteries.

In the filing’s own words

An electrode active material including a compound represented by Formula 1: Li x (Ni 1−y M y) z (P 2 O 7) 4 <Formula 1> wherein in Formula 1, 5≤x≤7, 0.2≤y<1, 4≤z≤6, and M is a Group 3 to Group 11 element or a combination thereof, but is not iron.

What exactly they claim (claim 1)

1. An electrode active material including a compound represented by Formula 1 and having a triclinic crystal structure: Li x (Ni 1−y M y) z (P 2 O 7) 4 <Formula 1> wherein, in Formula 1, 5≤x≤7, 0.2≤y<1, 4≤z≤6, and M is Co, Mn, V, Ti, Cr, Cu, Sc, Y, La, Zr, Hf, Nb, Ta, Mo, W, Re, or a combination thereof.

Facts

Company
Samsung (Samsung Electronics Co., Ltd.)
Official title
Electrode active material, preparation method therefor, electrode comprising same and secondary battery
Patent number
US12729119B2
Application number
18250026
Filed
Jun 15, 2021
Granted
Sep 8, 2026
Inventors
5
Claims
23

Classified under

C01G 53/82 Chemistry & metalsH01M 10/0525 Electricity & electronicsC01P 2002/72 Chemistry & metalsC01P 2002/74 Chemistry & metalsC01P 2006/40 Chemistry & metals
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.