Electrode for a lithium-based secondary electrochemical device and method of forming same
AssigneeGM Global Technology Operations LLC
InventorsXingcheng Xiao, Mei Cai, Li Yang, Meng Jiang
Life of this patent
Estimating the term…
Abstract
An electrode for a lithium-based secondary electrochemical device includes a current collector. The current collector includes a substrate having a surface defining a plurality of pores therein, and a lithium powder disposed within each of the plurality of pores. In addition, the electrode includes a cured film disposed on the current collector and formed from an electrically-conductive material. A lithium-based secondary electrochemical device including the electrode, and a method of forming the electrode are also disclosed.
Claims20
An electrode for a lithium-based secondary electrochemical device, the electrode comprising:
- a current collector including;
- a substrate having a surface defining a plurality of pores therein;
- and
- a lithium powder disposed within each of the plurality of pores;
- and
- a cured film disposed on the current collector and formed from an electrically-conductive material.
A method of forming an electrode for a lithium-based secondary electrochemical device, the method comprising:
- defining a plurality of pores in a surface of a substrate;
- inserting a lithium powder into each of the plurality of pores to form a current collector;
- and
- after inserting, forming a cured film comprising an electrically-conductive material on the current collector to thereby form the electrode.
A lithium-based secondary electrochemical device comprising:
- a positive electrode;
- a negative electrode spaced opposite the positive electrode;
- and
- a separator positioned between the positive electrode and the negative electrode;
- wherein at least one of the positive electrode and the negative electrode includes;
- a current collector including;
- a substrate having a surface defining a plurality of pores therein;
- and
- a lithium powder disposed within each of the plurality of pores;
- and
- a cured film disposed on the current collector and formed from an electrically-conductive material.
Dependencies are inferred from the claim text.