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US 2026/0254012 A1Published application
Sealing member, sealing structure including sealing member, and method for manufacturing secondary battery using sealing member
AssigneeSamsung SDI Co., Ltd.
InventorsJunho BYEON, Byunghuy CHO, Soyun KIM, Hyojin LIM, Joonchul KIM
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Abstract
A sealing member includes a first sealing member and a second sealing member surrounding the first sealing member, wherein the first sealing member is configured to be disposed on an electrolyte injection port of a secondary battery, wherein the second sealing member is configured to be disposed on an outer surface of a case of the secondary battery external to the electrolyte injection port, and wherein no binder is applied to the first sealing member.
Claims20
A sealing member comprising:
- a first sealing member;
- and
- a second sealing member surrounding the first sealing member,
- wherein the first sealing member is configured to be disposed on an electrolyte injection port of a secondary battery,
- wherein the second sealing member is configured to be disposed on an outer surface of a case of the secondary battery external to the electrolyte injection port, and
- wherein no binder is applied to the first sealing member.
3 more elements
A sealing structure comprising:
- a sealing member;
- and
- a fixing member attached to one surface of the sealing member,
- wherein the sealing member comprises:
- a first sealing member configured to be disposed on an electrolyte injection port of a secondary battery and having no binder applied to the first sealing member;
- and
- a second sealing member surrounding the first sealing member and configured to be disposed on an outer surface of a case of the secondary battery external to the electrolyte injection port, and
- wherein the fixing member comprises:
- a first fixing member attached to one surface of the sealing member;
- and
- a second fixing member surrounding the first fixing member and disposed on the outer surface of the case external to the second sealing member.
8 more elements
A method for manufacturing a secondary battery comprising:
- disposing an electrode assembly into a case;
- injecting an electrolyte through an electrolyte injection port on the case;
- and
- covering the electrolyte injection port using a sealing member,
- wherein the sealing member comprises:
- a first sealing member disposed on the electrolyte injection port and having no binder applied to the first sealing member;
- and
- a second sealing member surrounding the first sealing member and disposed on an outer surface of the case external to the electrolyte injection port.
5 more elements
Dependencies are inferred from the claim text.