The cellulose smart material called electro-active paper (EAPap) is made by regenerating cellulose. However, the actuator performance is degraded at low humidity levels. To solve this drawback, EAPap bending actuators were made by activating wet cellulose films in three different room-temperature ionic liquids: 1-butyl-3-methylimidazolium hexaflurophosphate (BMIPF₆), 1-butyl-3-methylimidazolium chloride (BMICL) and 1-butyl-3-methylimidazolium tetrafluroborate (BMIBF₄). In the results, the actuator performance was dependent on the type of anions in the ionic liquids, in the order of BF₄> Cl > PF6. The BMIBF₄-activated actuator showed the maximum displacement of 3.8 mm with low electrical power consumption at relatively low humidity. However, the BMICL-activated actuator showed a slight degradation of actuator performance. Further performance and durability improvement will be possible once various ionic liquids are blended with cellulose.

中文翻译：

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室温离子液体吸附对纤维素电活性纸机电性能的影响

称为电活性纸（EAPap）的纤维素智能材料是通过再生纤维素制成的。但是，执行器性能在低湿度下会降低。为了解决此缺点，通过在三种不同的室温离子液体中激活湿纤维素膜来制造EAPap弯曲执行器：1-丁基-3-甲基咪唑六氟磷酸盐（BMIPF ₆），1-丁基-3-甲基咪唑氯化物（BMICL）和1氟硼酸3-甲基咪唑鎓丁基（BMIBF ₄）。结果，致动器性能取决于离子液体中阴离子的类型，依次为BF ₄ > Cl> PF6。BMIBF ₄激活的执行器在相对较低的湿度下显示了最大3.8 mm的位移和较低的电能消耗。但是，BMICL激活的执行器显示出执行器性能略有下降。一旦将各种离子液体与纤维素混合，将有可能进一步提高性能并提高耐用性。