Electrode and a rechargeable lithium battery including the electrode
AssigneeSamsung SDI Co., Ltd.
InventorsKyuseo Lee, Heeeun Yoo, Yeonhee Yoon, Jaehwan Ha, Kijun Kim
Life of this patent
Estimating the term…
Abstract
Disclosed are an electrode for a rechargeable lithium battery and a rechargeable lithium battery. The electrode includes a current collector, a first active material layer, and a second active material layer. The first active material layer is formed on the current collector and includes a first active material. The second active material layer is formed on the first active material layer. The second active material layer includes a second active material having an active material and a meltdown polymer disposed on the surface of the active material.
Claims16
An electrode for a rechargeable lithium battery, comprising:
- a current collector;
- a first active material layer formed on the current collector and including a first active material;
- and
- a second active material layer formed on the first active material layer wherein the second active material layer includes a second active material including an active material and a meltdown polymer disposed on a surface of the active material,
- wherein the meltdown polymer is disposed on the surface of the active material with an area of about 0.1% to about 80% relative to 100% of a surface area of the active material,
- wherein the meltdown polymer is disposed in a shape of a plurality of spines attached to the surface of the active material.
An electrode for a rechargeable lithium battery, comprising
- a current collector;
- a first active material layer formed on the current collector and including a first active material;
- and
- a second active material layer formed on the first active material layer wherein the second active material layer includes a second active material including an active material and a meltdown polymer disposed on a surface of the active material,
- wherein the meltdown polymer is disposed on the surface of the active material with an area of about 0.1% to about 80% relative to 100% of a surface area of the active material,
- wherein a thickness of the second active material layer is about 2 μm to about 8 μm, and
- wherein the meltdown polymer comprises a plurality of spines and a length of each spine of the meltdown polymer is about 0.5 μM to about 10 μm.
Dependencies are inferred from the claim text.