Manufacturing method for film-covered electrical device
US-8974549-B2 · Mar 10, 2015 · US
Pouch type case, battery cell, and method of manufacturing battery cell
US9553298B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9553298-B2 |
| Application number | US-201414516221-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 16, 2014 |
| Priority date | Sep 13, 2013 |
| Publication date | Jan 24, 2017 |
| Grant date | Jan 24, 2017 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
Provided is a pouch type case, which includes a pouch type body part including an inner space for accommodating an electrode assembly, and an injection part extending from the body part to guide electrolyte into the inner space. The injection part is corrugated in a zigzag shape.
First claim
Opening claim text (preview).
The invention claimed is: 1. A pouch type case comprising: a pouch type body part including an inner space accommodating an electrode assembly; and an injection part extending from the body part to guide electrolyte into the inner space, wherein the injection part is corrugated in a zigzag shape, and wherein inner and outer surfaces of the injection part are corrugated so that the injection part is compressible along an axial direction of the injection part. 2. The pouch type case of claim 1 , wherein the injection part is corrugated in a zigzag shape in an electrolyte injection direction of the electrolyte. 3. The pouch type case of claim 1 , wherein the injection part is removed from the body part after the electrode assembly is impregnated with the electrolyte. 4. The pouch type case of claim 3 , wherein a portion of the body part from which the injection part is removed is sealed to form a sealing surface. 5. The pouch type case of claim 1 , wherein the body part includes a non-corrugation sealing part between the body part and the injection part. 6. The pouch type case of claim 1 , wherein the injection part is corrugated and integrally formed with the body part when a border of the body part is sealed. 7. The pouch type case of claim 1 , wherein a sealing surface is formed on three continuous surfaces of four surfaces of the body part, and a non-sealing surface provided with the injection part is formed on the other surface of the four surfaces. 8. The pouch type case of claim 7 , wherein the injection part is corrugated and extended in a zigzag shape from the non-sealing surface. 9. The pouch type case of claim 1 , wherein the injection part is integrally formed with the body part before the body part is sealed.
Assignees
Inventors
Classifications
- H01M50/618Primary
Pressure control · CPC title
- H01M2/361Primary
Electricity · mapped topic
Electricity · mapped topic
Batteries in portable systems, e.g. mobile phone, laptop · CPC title
Prismatic or flat cells, e.g. pouch cells · CPC title
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9553298B2 cover?
- Provided is a pouch type case, which includes a pouch type body part including an inner space for accommodating an electrode assembly, and an injection part extending from the body part to guide electrolyte into the inner space. The injection part is corrugated in a zigzag shape.
- Who is the assignee on this patent?
- Lg Chemical Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M50/618. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jan 24 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).