| US 7,547,748 B2 | ||
| Polymer comprising terminal sulfonic acid group, and polymer electrolyte and fuel cell using the same | ||
| Do-yun Kim, Daejeon-si (Korea, Republic of); Min-ju Jeong, Seoul (Korea, Republic of); Myung-sup Jung, Seongnam-si (Korea, Republic of); and Bong-seok Moon, Yongin-si (Korea, Republic of) | ||
| Assigned to Samsung SDI Co., Ltd., Suwon (Korea, Republic of) | ||
| Filed on Apr. 11, 2008, as Appl. No. 12/101,737. | ||
| Application 12/101737 is a division of application No. 10/972498, filed on Oct. 26, 2004, granted, now 7,378,471. | ||
| Claims priority of application No. 2003-75221 (KR), filed on Oct. 27, 2003. | ||
| Prior Publication US 2008/0199757 A1, Aug. 21, 2008 | ||
| Int. Cl. C08F 8/18 (2006.01) | ||
| U.S. Cl. 525—328.8 [525/359.3; 525/384; 525/419; 525/420] | 7 Claims |
1. A polymer electrolyte obtained by cross linking the polymer having a substituent having a terminal sulfonic acid group
comprising Formula (1) at a side chain:
 where n is a number in the range of about 1 to about 5.
|