Samsung patents battery design with engraved patterns to fit curved shapes
Samsung has filed a patent for a battery assembly designed to fit inside curved sections of an electronic device. The battery cell features a specific pattern of engraved units on its internal coating near the center, allowing it to bend without damaging the structure.
In the filing’s own words
An electronic device is provided. The electronic device includes a housing, and a battery assembly disposed in the housing and including a battery cell and a cover member disposed to surround at least a portion of the battery cell, wherein the battery cell including curved regions on both sides includes a cathode including a cathode current collector and cathode active material coating portions disposed on both surfaces of the cathode current collector, an anode including an anode current collector and anode active material coating portions disposed on both surfaces of the anode current collector, and a separator disposed between the cathode and the anode, wherein among the cathode active material coating portions, a cathode active material coating portion disposed adjacent to a center of the battery cell includes a first pattern portion that is located in the curved regions and is a combination of a plurality of unit patterns at least a portion of which are engraved and repeated.
What exactly they claim (claim 1)
1. An electronic device comprising: a housing; and a battery assembly disposed in the housing and comprising a battery cell and a cover member disposed to surround at least a portion of the battery cell, wherein the battery cell comprising curved regions on both sides thereof comprises: a cathode comprising a cathode current collector and cathode active material coating portions disposed on both surfaces of the cathode current collector, an anode comprising an anode current collector and anode active material coating portions disposed on both surfaces of the anode current collector, and a separator disposed between the cathode and the anode, and wherein, among the cathode active material coating portions, a cathode active material coating portion disposed adjacent to a center of the battery cell comprises a first pattern portion that is located in the curved regions and is a combination of a plurality of unit patterns at least a portion of which is engraved and repeated.
Facts
- Company
- Samsung (Samsung Electronics Co., Ltd.)
- Official title
- BATTERY ASSEMBLY AND ELECTRONIC DEVICE INCLUDING SAME
- Publication number
- US20260331556A1
- Application number
- 19707988
- Filed
- Jun 15, 2026
- Published
- Oct 22, 2026
- Inventors
- 1
- Claims
- 20
Classified under
H01M 10/0431 Electricity & electronicsH01M 2220/30 Electricity & electronicsMore from Samsung in Batteries & energy
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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.