Back to results
US 10,147,944 B2Granted
Cathode including sintered polycrystalline material, secondary battery including the cathode, and method of manufacturing the cathode
AssigneeSamsung Electronics Co., Ltd.
InventorsKyunghoon Cho, Seunghoon Nam, Hwiyeol Park, Hojung Yang, Huisu Jeong, Jin S. Heo
Life of this patent
Estimating the term…
Abstract
A cathode includes a cathode collector layer, and a cathode active material layer on a surface of the cathode collector layer. The cathode active material layer includes a sintered polycrystalline material having a plurality of crystal grains of a lithium-based oxide, and each of the plurality of crystal grains includes a seed template, and a matrix crystal around the seed template, where the seed template is a single crystal and having a shape of a plate.
Claims10
A cathode comprising:
- a cathode collector layer;
- and
- a cathode active material layer on a surface of the cathode collector layer,
- wherein the cathode active material layer comprises a sintered polycrystalline material having a plurality of crystal grains of a lithium-based oxide, and
- each of the plurality of crystal grains comprises:
- a seed template;
- and
- a matrix crystal around the seed template,
- wherein the seed template is a single crystal and having a shape of a plate.
6 more elements
A secondary battery comprising:
- an anode collector layer;
- an anode active material layer on a surface of the anode collector layer;
- a cathode collector layer;
- and
- a cathode active material layer on a surface of the cathode collector layer,
- wherein the cathode active material layer comprises a sintered polycrystalline material having a plurality of crystal grains of a lithium-based oxide, and
- each of the plurality of crystal grains comprises:
- a seed template;
- and
- a matrix crystal around the seed template,
- wherein the seed template is a single crystal and having a shape of a plate.
8 more elements
Dependencies are inferred from the claim text.