Electrode unit and secondary battery using the same
First Claim
1. An electrode unit comprising:
- a first electrode plate having a first electrode uncoated portion on at least one side of a first electrode collector coated with at least a first electrode active material;
a second electrode plate having a second electrode uncoated portion on at least one side of a second electrode collector coated with at least a second electrode active material; and
a separator interposed between the first electrode plate and the second electrode plate;
wherein a portion of the separator provided between the first electrode uncoated portion and the second electrode uncoated portion has at least two folds.
2 Assignments
0 Petitions
Accused Products
Abstract
An electrode unit and a secondary battery having the electrode unit include a first electrode plate having a first electrode uncoated portion on at least one side of a first electrode collector coated with at least a first electrode active material, a second electrode plate having a second electrode uncoated portion on at least one side of a second electrode collector coated with at least a second electrode active material, and a separator interposed between the first electrode plate and the second electrode plate, wherein an insulating separator having at least two folds is located between the first electrode uncoated portion and the second electrode uncoated portion.
-
Citations
20 Claims
-
1. An electrode unit comprising:
-
a first electrode plate having a first electrode uncoated portion on at least one side of a first electrode collector coated with at least a first electrode active material;
a second electrode plate having a second electrode uncoated portion on at least one side of a second electrode collector coated with at least a second electrode active material; and
a separator interposed between the first electrode plate and the second electrode plate;
wherein a portion of the separator provided between the first electrode uncoated portion and the second electrode uncoated portion has at least two folds. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A secondary battery comprising:
-
an electrode unit having a first electrode plate having a first electrode uncoated portion on at least one side of a first electrode collector coated with at least a first electrode active material, a second electrode plate having a second electrode uncoated portion on at least one side of a second electrode collector coated with at least a second electrode active material, and a separator interposed between the first electrode plate and the second electrode plate, wherein an insulating separator having at least two folds is provided between the first electrode uncoated portion and the second electrode uncoated portion; and
a case accommodating the electrode unit to be sealed, and having a terminal portion electrically connected to the electrode unit. - View Dependent Claims (7, 8, 9, 10)
-
-
11. A method of preparing an electrode unit comprising:
-
coating a first electrode collector of a first electrode plate, with at least a first electrode active material, on at least a portion of one side of the first electrode collector;
coating a second electrode collector of a second electrode plate, with at least a second electrode active material, on at least a portion of one side of the second electrode collector; and
interposing a separator between the first electrode plate and the second electrode plate;
wherein a portion of the separator provided between the first electrode uncoated portion and the second electrode uncoated portion has at least two folds. - View Dependent Claims (12, 13, 14, 15)
-
-
16. A method of manufacturing a secondary battery comprising:
preparing an electrode unit by;
coating a first electrode collector of a first electrode plate, with at least a first electrode active material, on at least a portion of one side of the first electrode collector;
coating a second electrode collector of a second electrode plate, with at least a second electrode active material, on at least a portion of one side of the second electrode collector;
interposing a separator between the first electrode plate and the second electrode plate to form an insulating separator having at least two folds between the first electrode uncoated portion and the second electrode uncoated portion; and
winding the first electrode plate, the separator and the second electrode plate to form an electrode unit and placing the electrode unit in a case to be sealed, wherein a terminal portion of the case is electrically connected to the electrode unit. - View Dependent Claims (17, 18, 19, 20)
Specification