Secondary Power Generation via Charge Recombination in Triboelectric Nanogenerators,ACS Energy Letters

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Secondary Power Generation via Charge Recombination in Triboelectric Nanogenerators
ACS Energy Letters ( IF 19.3 ) Pub Date : 2024-08-22 , DOI: 10.1021/acsenergylett.4c02047
Huiyuan Wu ₁ , Yi Kang ₁ , Kaixian Li ₁ , Jian Wang ₁ , Shuyan Xu ₁ , Gui Li ₁ , Qionghua Zhao ₁ , Hongyu Yi ₁ , Xianjie Pu ₁ , Chenguo Hu ₁

Affiliation

Triboelectric nanogenerators (TENGs) are critical technologies for converting mechanical energy into electrical energy, typically representing a real-time power generation process that follows mechanical motion. Here, we strategically introduce a static power generation mechanism for TENGs, based on the spontaneous recombination of triboelectric charge pairs (TCPs), attributed to the weak charge trapping ability of specific dielectric polymers. By eliminating the adverse effects of the charge blocking layer, the recombination time of TCPs is shortened to 2.3 s. The proposed TENG generates power twice in one motion: one representing the generation of TCPs induced by dynamic mechanical motion and the other representing the spontaneous recombination of TCPs. The generation and recombination of TPCs, along with the combination of dynamic and static electricity generation, opens up a completely new approach for TENGs to harvest environmental energy. This may have significant implications for material selection and structural design in future TENG developments.

中文翻译：

通过摩擦纳米发电机中的电荷重组进行二次发电

摩擦纳米发电机（TENG）是将机械能转化为电能的关键技术，通常代表机械运动后的实时发电过程。在这里，我们战略性地引入了一种 TENG 静态发电机制，该机制基于摩擦电荷对 (TCP) 的自发重组，归因于特定介电聚合物的弱电荷捕获能力。通过消除电荷阻挡层的不利影响，TCP的复合时间缩短至2.3 s。所提出的TENG在一次运动中产生两次电力：一次代表由动态机械运动引起的TCP的产生，另一个代表TCP的自发重组。 TPC的产生和重组，以及动态和静态发电的结合，为TENG收集环境能量开辟了一条全新的途径。这可能对未来 TENG 开发的材料选择和结构设计产生重大影响。

更新日期：2024-08-22

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