Separator for secondary battery, manufacturing method thereof, method for manufacturing secondary battery comprising the separator and secondary battery manufactured by the method
US-12183949-B2 · Dec 31, 2024 · US
Separator for rechargeable lithium battery and rechargeable lithium battery including same
US9105906B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9105906-B2 |
| Application number | US-201313828932-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 14, 2013 |
| Priority date | Aug 20, 2012 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
Disclosed is a separator having surface energy of about 45 mN to about 50 mN/m which can be prepared by radiating plasma on a polymer film under a current of from about 1800 mA to about 2000 mA and electric power of from about 2750 W to about 3000 W. Further disclosed is a rechargeable battery comprising the separator having a surface energy of about 45 mN to about 50 mN/m.
First claim
Opening claim text (preview).
What is claimed is: 1. A separator for a rechargeable lithium battery having surface energy of about 45 mN/m to about 50 mN/m, which has a surface contact angle against water from about 60° to about 65°. 2. The separator of claim 1 , wherein an oxygen-containing functional group is bonded to the surface thereof. 3. The separator of claim 2 , wherein the oxygen-containing functional group is a ketone group or an ester group.…
Assignees
Inventors
Classifications
- H01M50/403Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
- H01M2/16Primary
Electricity · mapped topic
Electricity · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9105906B2 cover?
- Disclosed is a separator having surface energy of about 45 mN to about 50 mN/m which can be prepared by radiating plasma on a polymer film under a current of from about 1800 mA to about 2000 mA and electric power of from about 2750 W to about 3000 W. Further disclosed is a rechargeable battery comprising the separator having a surface energy of about 45 mN to about 50 mN/m.
- Who is the assignee on this patent?
- Samsung Sdi Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M50/403. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 11 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).