| abstract |
The present invention provides a bending sensor, which is formed by sandwiching a polymer electrolyte membrane between a pair of electrode films, the electrode film containing a block copolymer (Z) and conductive particles, the block copolymer (Z) It has a polymer block (S) composed of structural units derived from aromatic vinyl compounds and having ion-conducting groups, and an amorphous polymer composed of structural units derived from unsaturated aliphatic hydrocarbons The block (T), by having the aforementioned block copolymer (Z) to form a layered sensing part, can increase the voltage generated between the electrode films when it deforms in accordance with the change of the object. |