| 研究生: |
陳柏州 Po-chou Chen |
|---|---|
| 論文名稱: |
近場電紡織製作全纖維式發電系統 作為行動穿戴裝置電源 NEFS fiber-base generator for wearable and mobile electronics. |
| 指導教授: |
傅尹坤
Yiin-Kuen Fuh |
| 口試委員: | |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 機械工程學系 Department of Mechanical Engineering |
| 論文出版年: | 2014 |
| 畢業學年度: | 102 |
| 語文別: | 中文 |
| 論文頁數: | 58 |
| 中文關鍵詞: | 近場電紡織技術 、壓電材料 、奈米纖維 、奈米發電機 、行動穿戴裝置電源 |
| 外文關鍵詞: | near-field electrospinning, Piezoelectric materials, nanofibers, nanogenerator, wearable and mobile electronics |
| 相關次數: | 點閱:9 下載:0 |
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本論文利用近場電紡織技術(near-field electrospinning,NFES),研究壓電奈米纖維並且製作成奈米發電機(nanogenerator,NG),主要重點為(1)利用近場電紡織技術大面積排列壓電奈米纖維製造奈米發電機,(2)奈米發電機作為自供電式形變感測器,(3)奈米發電機作為行動穿戴裝置電源。以直寫(Direct-write)方式將壓電高分子材料聚偏氟乙烯(polyvinylidene fluoride,PVDF)利用NFES技術將奈米纖維(nanofibers,NFs)大面積排列在可撓性基底上製作成奈米發電機,並且進行一系列訊號量測與驗證。我們將NG固定於人體關節上運用人體關節移動使NG有訊號產生。接著,我們使用改良式基底,成功製作出靈敏度更優良的NG,另外,為了使NG輸出增加,我們將NG以疊加方式嘗試提高輸出,成功將電壓輸出提高到20V,由於可撓性佳的基底加上厚度薄,我們將NG固定在人體關節上使NG可以隨人體擺動轉換成電力作為行動穿戴裝置電源。
關鍵字:近場電紡織技術、壓電材料、奈米纖維、奈米發電機、行動穿戴裝置電源
This thesis mainly research on fabrication of nanogenerator, piezoelectric technology and application in electrospinning. The focus of the study is (1) Massively parallel aligned nanofibers-based nanogenerator deposited via near-field electrospinning, (2) A flexible, self-powered deformation sensor based on nanogenerator. (3) NEFS fiber-base generator for wearable and mobile electronics, we demonstrate a direct-write, in-situ poled polyvinylidene fluoride (PVDF) nanofiber arrays that could functions as a self-powered active deformation sensor. The fabricated hybrid structure of sensor/nanogenerator (NG) is realized via direct deposition of near-field electrospun nanofibers on Cu-foil electrode of thickness ~200 μm and fully encapsulated on a flexible substrate. Capable of integrating into fabric such as a moving human joints due to high flexibility and excellent conformability, the nanofiber-based device can serve as an active deformation sensor under ambient wind-speed and the feasibility of efficiently convert the flutter motion into electricity are also demonstrated. This low-cost, simple structure, high sensitivity and good environment-friendly nanofibers is a very promising material/technology as practical energy harvesting devices and self-powered sensors and capable of scavenging very small wind power or mechanical induced vibration.
Keywords: Near-field electrospinning (NFES)、Piezoelectric material、Nanofiber(NFs)、Nanogenerator(NG)、wearable、mobile electronics.
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