Self-charging power system for distributed energy: beyond the energy storage unit,Chemical Science

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Self-charging power system for distributed energy: beyond the energy storage unit
Chemical Science ( IF 7.6 ) Pub Date : 2020-11-03 , DOI: 10.1039/d0sc05145d
Xiong Pu _{1,

2,

3} , Zhong Lin Wang _{1,

2,

4,

5}

Affiliation

Power devices for the smart sensor networks of Internet of things (IoT) are required with minimum or even no maintenance due to their enormous quantities and widespread distribution. Self-charging power systems (SCPSs) refer to integrated energy devices with simultaneous energy harvesting, power management and effective energy storage capabilities, which may need no extra battery recharging and can sustainably drive sensors. Herein, we focus on the progress made in the field of nanogenerator-based SCPSs, which harvest mechanical energy using the Maxwell displacement current arising from the variation in the surface-polarized-charge-induced electrical field. Prototypes of different nanogenerator-based SCPSs will be overviewed. Finally, challenges and prospects in this field will be discussed.

中文翻译：

分布式能源自充电电力系统：超越储能单元

物联网智能传感器网络的功率器件由于数量庞大、分布广泛，需要极少甚至无需维护。自充电电源系统（SCPS）是指同时具有能量收集、电源管理和有效能量存储能力的集成能源设备，它可能不需要额外的电池充电，并且可以可持续地驱动传感器。在此，我们重点关注基于纳米发电机的 SCPS 领域取得的进展，该 SCPS 利用表面极化电荷感应电场变化产生的麦克斯韦位移电流来收集机械能。将概述不同的基于纳米发电机的 SCPS 原型。最后，将讨论该领域的挑战和前景。

更新日期：2020-11-22

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