Triboelectric nanogenerators (TENGs) are of great significance as sustainable power sources that harvest energy from the human body and environment. Nevertheless, due to TENG's impedance‐dependent output voltage characteristics, in traditional strategy (TS), real‐timely powering a sensor with TENG has a poor sensing on/off ratio (or response), and directly charging a capacitor with TENG shows a low charging efficiency. This degraded real‐time powering and charging performance of TENG compared to a commercial constant voltage source has been a huge challenge of the TENG field for a long time. Here, we propose a synchronous switching strategy (SSS) for TENG to real‐timely power sensors or charge capacitors without degrading its performance. Compared with TS, this new strategy enables sensors to have 5–7 times sensing on/off ratio enhancement when using TENG as a power source, reaching the powering ability of a commercial constant voltage source, it makes the powering performance of TENG stable under different driving frequency, improving the powering robustness of TENG. In addition, compared with TS, SSS can also enhance the charging efficiency of TENG in every charging cycle by up to 2.4 times when charging capacitors. This work contributes to real‐timely powering or charging the distributed, mobile and wireless electronics using TENG.This article is protected by copyright. All rights reserved

中文翻译：

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提高摩擦纳米发电机实时供电和充电性能的同步开关策略


摩擦纳米发电机（TENG）作为从人体和环境中获取能量的可持续能源具有重要意义。然而，由于TENG的阻抗依赖输出电压特性，在传统策略（TS）中，用TENG实时为传感器供电的感测开/关比（或响应）较差，而直接用TENG给电容器充电则显示出较低的响应速度。充电效率。与商用恒压源相比，TENG 的实时供电和充电性能下降长期以来一直是 TENG 领域的巨大挑战。在这里，我们提出了一种 TENG 同步开关策略（SSS），可以在不降低其性能的情况下实时为传感器供电或为电容器充电。与TS相比，这种新策略使传感器在使用TENG作为电源时传感开关比增强了5-7倍，达到了商用恒压源的供电能力，使得TENG在不同的条件下的供电性能稳定。驱动频率，提高TENG的供电鲁棒性。此外，与TS相比，SSS在给电容器充电时还可以将TENG每个充电周期的充电效率提升高达2.4倍。这项工作有助于使用 TENG 为分布式移动和无线电子设备实时供电或充电。本文受版权保护。版权所有