Lead-acid separators and cells and batteries using such separators
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 18, 2002
Grant Date -
Nov 8, 2001
app pub date -
Apr 2, 1999
filing date -
Apr 2, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sealed lead-acid cell utilizes a separator made with modified plastic microfibers having a contact angle of no more than 1.5.degree. to the sulfuric acid electrolyte used and having a diameter of 1.1 to 5.0.mu., the separator having a porosity of 87 to 94%, a surface area of 1.0 to 2.2 meters.sup.2 /gm., and a maximum pore diameter of 8 to 20.mu. and a mean pore diameter of 1.2 to 5.0.mu..
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully