The fabrication of superior triboelectric materials is urgently demanded for diverse applications in the Internet of Things and intelligence era, but it is limited by film preparation strategy. This work proposes a novel strategy namely solid-state polymer forging (SSPF) to prepare high-performance triboelectric polymer films. Ethylene chlorotrifluoroethylene copolymer (ECTFE) membrane reinforced by solid-state polymer forging exhibits excellent triboelectric performances and mechanical properties, the output charge density, short-circuit current and open-circuit voltage are 307 μC/m, 45.8 μA and 337 V, which are 29.0%, 55.3% and 21.2% higher than those of control sample, respectively. The surface potential, crystallinity, crystal size, molecular structure and dielectric constant can be effectively tailored under SSPF, leading to promoting the output of ECTFE TENG. This work can construct a promising avenue toward rational design for triboelectric materials and provide a series of possible breakthroughs of various superior TENGs.

中文翻译：

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基于固态聚合物锻造的优质摩擦电聚合物

物联网和智能时代的多样化应用迫切需要制备优质摩擦电材料，但其受到薄膜制备策略的限制。这项工作提出了一种新策略，即固态聚合物锻造（SSPF）来制备高性能摩擦电聚合物薄膜。固态聚合物锻造增强的乙烯三氟氯乙烯共聚物（ECTFE）膜表现出优异的摩擦电性能和机械性能，输出电荷密度、短路电流和开路电压分别为307 μC/m、45.8 μA和337 V，分别为分别比对照样品高29.0%、55.3%和21.2%。在SSPF下可以有效地调节表面电势、结晶度、晶体尺寸、分子结构和介电常数，从而提高ECTFE TENG的产量。这项工作可以为摩擦电材料的合理设计构建一条有前途的途径，并为各种高级 TENG 提供一系列可能的突破。