United States Patent
US Patent 7094490: Ion conductive block copolymers
US 7094490 · granted 2006-08-22
| Patent Number | 7094490 |
|---|---|
| Title | Ion conductive block copolymers |
| Filed | 2003-05-13 |
| Granted | 2006-08-22 |
| Inventor(s) | Shuguang Cao, Helen Xu, Thomas Jeanes, Kie Hyun Nam, Jian Ping Chen |
| Assignee | PolyFuel Inc |
| CPC Classification | H01M4/88, H01M4/8803, H01M4/00 |
| Number of Claims | 2 |
Claims Summary
1. A polymer electrolyte membrane comprising an ion conducting block copolymer comprising non-ionic and ionic regions having the formula
{-L1-[-(AaBb)n]1-z-L2—[(SxCc—SyDd)o]zL3}j wherein