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US 2026/0312113 A1Published application
Stack Cell and Manufacturing Method Thereof
AssigneeLG Energy Solution, Ltd.
InventorKwooman Cho
Life of this patent
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Abstract
A stack cell includes an electrode laminate, at least one fixing tape wrapped around the electrode laminate, and a step relief tape attached to an edge of an upper surface of the electrode laminate. The at least one fixing tape is configured to fix the electrode laminate. The step relief tape is configured to relieve a step between the at least one fixing tape and the upper surface of the electrode laminate. Also provided is a manufacturing method of a stack cell.
Claims20
A stack cell, comprising:
- an electrode laminate;
- at least one fixing tape wrapped around the electrode laminate, wherein the at least one fixing tape is configured to fix the electrode laminate;
- and
- a step relief tape attached to an edge of an upper surface of the electrode laminate, wherein the step relief tape is configured to relieve a step between the at least one fixing tape and the upper surface of the electrode laminate.
1 more element
A stack cell, comprising:
- an electrode laminate;
- at least one fixing tape wrapped around the electrode laminate, wherein the at least one fixing tape is configured to fix the electrode laminate;
- a first step relief tape attached to an edge of an upper surface of the electrode laminate, wherein the first step relief tape is configured to relieve a step between the at least one fixing tape and the upper surface of the electrode laminate;
- and
- a second step relief tape attached to an edge of a lower surface of the electrode laminate, wherein the second step relief tape is configured to relieve a step between the at least one fixing tape and the lower surface of the electrode laminate.
2 more elements
A manufacturing method of a stack cell, comprising:
- forming an electrode laminate;
- pressing two sides of the electrode laminate with a press jig to compress the two sides of the electrode laminate;
- fixing the electrode laminate by wrapping the electrode laminate with a plurality of fixing tapes;
- attaching a step relief tape to an edge of the electrode laminate and relieving a step between at least one fixing tape of the plurality of fixing tapes and the edge;
- and
- pressing the electrode laminate with a press device.
3 more elements
Dependencies are inferred from the claim text.