Patent ID: 11942662
Assignee: SANYO ELECTRIC CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A secondary battery comprising:
an electrode body that includes a positive electrode plate and a negative electrode plate;
an outer body that has an opening and houses the electrode body;
a sealing plate that seals the opening;
an external terminal that is attached to the sealing plate;
a tab that is provided in the positive electrode plate or the negative electrode plate;
a current collector that electrically connects the tab to the external terminal,
an injection port that is formed in the sealing plate, and
an insulating member that is disposed between the current collector and the sealing member,
wherein
the tab is extending toward the sealing plate from an edge of the electrode body adjacent to the sealing plate, and
the insulating member includes a first opening which overlaps the injection port, and an insulating member protrusion that protrudes toward the electrode body.