Abstract

This paper presents a novel wearable hybrid harvester system as a glove that contains four distinct scavenging modules of flexible transducer film, photosensitive 3D dual-gate thin-film transistor, and a particular power management box. Each single module is formed by a piezoelectric-charge-gated TFT (PCGTFT). The reported system is capable of scavenging energy from two various free of charge energy sources (Piezoelectric plus Photoelectric). Aforesaid system unlike other state-of-the-arts overcomes several key challenges in interfacing, storage and power management. Harvested energy which is administered through power and storage management system ultimately lightens a typical light emitting diode (LED), testifies capability of such glove to power up some low-power electronic devices.

Highlights

  • Wearable electronic devices such as newly introduced gadgets including smart watches, bands or glasses brought by Google, Apple and some other companies, are widely received lots of attention recently

  • As the signal is regulated, it needs to be stored somehow through a power management box and interfacing between the harvesting unit and the power management board may need an innovative design and structure. Implementation of such wearable system yet suffers from several challenging key points. Reports in this case pointed out some sophisticated issues as: simultaneous harvesting energy from two or several sources, Interfacing between harvesting unit and the management board, complexity of rectification circuit, and preventing any unspecified damages to management board due to any mechanical shock originating from human body movements [12,13,14,15]

  • Evolution of aforesaid harvesting module to form a hybrid scavenger has been fulfilled by replacing a 3D photosensitive dual-gate TFT as a rectifier [20]

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Summary

Introduction

Wearable electronic devices such as newly introduced gadgets including smart watches, bands or glasses brought by Google, Apple and some other companies, are widely received lots of attention recently. As the signal is regulated, it needs to be stored somehow through a power management box and interfacing between the harvesting unit and the power management board may need an innovative design and structure Implementation of such wearable system yet suffers from several challenging key points. Reports in this case pointed out some sophisticated issues as: simultaneous harvesting energy from two or several sources, Interfacing between harvesting unit and the management board, complexity of rectification circuit, and preventing any unspecified damages to management board due to any mechanical shock originating from human body movements [12,13,14,15]. Evolution of aforesaid harvesting module to form a hybrid scavenger has been fulfilled by replacing a 3D photosensitive dual-gate TFT as a rectifier [20]

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