Current collector sheet and electrochemical device
First Claim
1. A current collector sheet for carrying an electrode material mixture layer for use in an electrode for an electrochemical device, said current collector sheet comprising a conductive area and an insulating area on the surface thereof.
2 Assignments
0 Petitions
Accused Products
Abstract
The invention provides a current collector sheet for carrying an electrode material mixture for use in an electrode for an electrochemical device characterized in that the current collector sheet has a conductive area and an insulating area on the surface thereof. Examples of the current collector sheet includes: a current collector sheet including an insulating sheet, wherein the conductive area comprises a conductive layer formed on the surface of the insulating sheet, and the insulating area comprises an exposed portion of the insulating sheet; a current collector sheet comprising a conductive sheet, wherein the insulating area comprises an insulating layer formed on the surface of the conductive sheet, and the conductive area comprises an exposed portion of the conductive sheet; and a current collector sheet comprising a conductive sheet portion and an insulating sheet portion positioned flush with each other, wherein the conductive area comprises a surface of the conductive sheet portion, and the insulating area comprises a surface of the insulating sheet portion.
38 Citations
20 Claims
- 1. A current collector sheet for carrying an electrode material mixture layer for use in an electrode for an electrochemical device, said current collector sheet comprising a conductive area and an insulating area on the surface thereof.
-
18. An electrochemical device having an electrode assembly comprising:
-
(a) at least one first electrode;
(b) at least one second electrode; and
(c) a separator interposed between said first electrode and said second electrode;
said first electrode (a) comprising a first current collector sheet and at least one first electrode material mixture layer carried on said first current collector sheet, said second electrode (b) comprising a second current collector sheet and at least one second electrode material mixture layer carried on said second current collector sheet, at least one of said first current collector sheet and said second current collector sheet comprising an insulating sheet and further comprising, on the surface thereof, an insulating area and a conductive area with said material mixture layer carried thereon, said conductive area comprising a conductive layer formed on the surface of said insulating sheet, and said insulating area comprising an exposed portion of said insulating sheet.
-
-
19. An electrochemical device having an electrode assembly comprising:
-
(a) at least one first electrode;
(b) at least one second electrode; and
(c) a separator interposed between said first electrode and said second electrode;
said first electrode (a) comprising a first current collector sheet and at least one first electrode material mixture layer carried on said first current collector sheet, said second electrode (b) comprising a second current collector sheet and at least one second electrode material mixture layer carried on said second current collector sheet, at least one of said first current collector sheet and said second current collector sheet comprising a conductive sheet and further comprising, on the surface thereof, an insulating area and a conductive area with said material mixture layer carried thereon, said insulating area comprising an insulating layer formed on the surface of said conductive sheet, and said conductive area comprising an exposed portion of said conductive sheet.
-
-
20. An electrochemical device having an electrode assembly comprising:
-
(a) at least one first electrode;
(b) at least one second electrode; and
(c) a separator interposed between said first electrode and said second electrode;
said first electrode (a) comprising a first current collector sheet and at least one first electrode material mixture layer carried on said first current collector sheet, said second electrode (b) comprising a second current collector sheet and at least one second electrode material mixture layer carried on said second current collector sheet, at least one of said first current collector sheet and said second current collector sheet comprising an insulating sheet portion and a conductive sheet portion positioned flush with each other and further comprising, on the surface thereof, an insulating area and a conductive area with said material mixture layer carried on said conductive area, said conductive area comprising a surface of said conductive sheet portion, said insulating area comprising a surface of said insulating sheet portion.
-
Specification