本研究目標為製備具生物相容性之摩擦發電機，可應用於收集人體運動所產生之機械能，並將其轉換為電能後結合後端多種應用，如濕度感測、汗液檢測、足部壓力分佈計算……等等。近幾年，穿戴式裝置逐漸風行，但其電力的供給不外乎來自鋰電池等充電電池，而電池的缺點便是無法貼合人體及本身續航力的限制，如此便會造成穿戴式裝置的不適感及不便性，進而限制了穿戴式裝置的發展。而摩擦發電機最大的優點即是能夠收集環境中的各種機械能並直接轉換為電能，因此我們可藉由人體運動來直接產電。藉由摩擦材料的選擇與改質，我們開發出了同時具有柔軟性、可撓性及生物相容性的摩擦發電機，此摩擦發電機能夠貼附於人體上之各種不規則曲線，且因其生物相容性，人體不會因為與摩擦發電機有直接接觸而感到不適等症狀。另外，環境中的影響，如：濕度、鹽類濃度的改變，可致使摩擦材料產生之電性改變進而觀察到電能輸出改變，利用此現象我們便可製作出一自供電感測系統。本研究將會結合摩擦材料與布料，製作出同時兼具發電與感測功能的衣料，並在此基礎上完成一自供電生物感測系統。

With the rise of wearable electronic technology, the market value of related devices is predicted to exceed $12 billion in 2018. However, the supply of sufficient electricity to operate such devices over an acceptable duration of time without employing a large-sized battery has remained a major challenge for the development. Therefore, the concept of power suit which can harvest renewable energy from the environment to charge the battery in wearable electronic devices has been proposed. In this study, we developed textile-based triboelectric generator to harvest mechanical energy from human motions. The electric outputs generated from the triboelectric generator reached 120 V, 10 μA, and 1.5 W/m2. In addition, we also functionalized the textile-based triboelectric generator with self-powered sensing properties. Through the selection of triboelectric materials, the as-developed generator further became self-powered sensors for humidity, ions, and gait phase detection. We believe that the textile-based triboelectric generator can be combined with other healthcare sensors to become smart clothing products in the near future.

摘要 i
Abstract ii
Contents iii
LIST OF SCHEMES v
LIST OF TABLES vi
LIST OF FIGURES vii
Chapter 1 Introduction 1
Chapter 2 Literature Review and Theory 3
2.1 Wearable Electronics 3
2.1.1 Applications of Wearable Electronics 4
2.1.2 The Future of Wearable Electronics 5
2.1.3 Electronic Textile 6
2.2 Triboelectric Nanogenerator 7
2.2.1 Triboelectric Effect 7
2.2.2 Mechanism of Triboelectric Nanogenerator 9
2.2.3 Development of Triboelectric Nanogenerator 10
2.2.4 Wearable Triboelectric Nanogenerator 13
2.3 Chitin and Chitosan 17
2.3.1 History of Chitin and Chitosan 18
2.3.2 Source of Chitin 20
2.3.3 Structure of Chitin and Chitosan 22
2.3.4 Characteristic of chitosan 24
2.3.4.1 Biological Property 24
2.3.4.2 Antifungal Property 25
2.3.4.3 Antibacterial Property 25
2.3.5 Applications of Chitosan 27
2.3.5.1 Hemostasis and Wound Healing 27
2.3.5.2 Scaffold for the Regeneration of Tissue 27
2.3.5.3 Drug Delivery Carriers 28
2.3.5.4 Intelligent Materials 28
Chapter 3 Materials and Methods 30
3.1 Material 30
3.2 Apparatus 31
3.3 Method 32
3.3.1 Preparation of Chitosan-glycerol Film 32
3.3.2 Transparency Test of Chitosan-glycerol Film 32
3.3.3 Conductivity of Chitosan-glycerol Film 33
3.3.4 Stability Test of Chitosan-glycerol Film 33
3.3.5 Fabrication of Chitosan-based Triboelectric Nanogenerator 34
3.3.6 Measurement of Electric Output Performance 35
Chapter 4 Results and Discussions 36
4.1 Characteristics of Chitosan-glycerol Film 36
4.2 Output Performance of Chitosan-based Triboelectric Nanogenerator 41
4.3 Characteristics of Chitosan-based Triboelectric Nanogenerator 46
4.4 Healthcare Applications 51
4.4.1 Self-powered Humidity Sensor 53
4.4.2 Self-powered Sweat Sensor 56
4.4.3 Self-powered Gait Phase Detector 59
Chapter 5 Conclusions 62
Reference 63
Publication 73
Conference 73

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