| US 7,608,976 B1 | ||
| Electroactive co-polymer systems and devices using the same | ||
| Zhongyang Cheng, Auburn, Ala. (US); Zhimin Li, Medford, Mass. (US); and Yuhong Wang, Auburn, Ala. (US) | ||
| Assigned to Auburn University, Auburn, Ala. (US) | ||
| Filed on Feb. 07, 2008, as Appl. No. 12/69,312. | ||
| Claims priority of provisional application 60/900068, filed on Feb. 07, 2007. | ||
| Int. Cl. H01L 41/08 (2006.01); H01M 4/62 (2006.01) | ||
| U.S. Cl. 310—311 [310/357; 310/800; 429/232] | 14 Claims |

| 1. A P(VDF-CTFE) copolymer comprising CTFE in a range of 5 mol % to 20 mol % and exhibiting a strain value of 2% or more in response to an electromagnetic field. |