Patent ID: 11923499
Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A method for fabricating a secondary battery, comprising the steps of:
forming an active material layer over a base;
forming a metal film comprising one of titanium and nickel over and in contact with the active material layer;
separating the base from the active material layer after forming the metal film;
attaching a current collector to the metal film with an adhesive to form a first electrode after separating the base; and
providing the first electrode, a second electrode and an electrolyte in an exterior body,
wherein the active material layer comprises a graphite particle,
wherein the adhesive comprises an insulating resin, and
wherein the graphite particle is covered with a silicon oxide film.