Large Displacement in Relaxor Ferroelectric Terpolymer Blend Derived Actuators Using Al Electrode for Braille Displays.

Large Displacement in Relaxor Ferroelectric Terpolymer Blend Derived Actuators Using Al Electrode for Braille Displays.
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使用用于盲文显示器的铝电极的弛豫铁电三元聚合物混合物衍生致动器的大位移

DOI:
10.1038/srep11361
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发表时间:
2015-06-16
期刊:
影响因子:
4.6
通讯作者:
Zhang QM
Zhang QM
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Lu SG;Chen X;Levard T;Diglio PJ;Gorny LJ;Rahn CD;Zhang QM

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聚偏氟乙烯(PVDF)聚合物在人造肌肉、高能量密度存储设备等方面的应用具有很大的吸引力。最近,与目前使用的锆钛酸铅陶瓷驱动器相比,这些聚合物因其重量轻、尺寸小和位移大而被发现作为可刷新的全页盲文显示器的驱动器具有巨大的潜力。然而,已公布的聚合物致动器的施加电压不能降低以满足城市用电的要求。在这里,我们报告了聚合物致动器在接近城市电力的电压下产生相当大的位移和阻塞力。我们的实施例还显示了良好的自愈性能和不使用含铅材料,使盲文设备更安全、更可靠和更环保。
Poly(vinylidene fluoride) (PVDF) based polymers are attractive for applications for artificial muscles, high energy density storage devices etc. Recently these polymers have been found great potential for being used as actuators for refreshable full-page Braille displays for visually impaired people in terms of light weight, miniaturized size, and larger displacement, compared with currently used lead zirconate titanate ceramic actuators. The applied voltages of published polymer actuators, however, cannot be reduced to meet the requirements of using city power. Here, we report the polymer actuator generating quite large displacement and blocking force at a voltage close to the city power. Our embodiments also show good self-healing performance and disuse of lead-containing material, which makes the Braille device safer, more reliable and more environment-friendly.
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影响因子: 3.2
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