博碩士論文 110328001 詳細資訊




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姓名 劉家豪(Chia Hao Liu)  查詢紙本館藏   畢業系所 能源工程研究所
論文名稱 具奈米多層結構薄膜(Graphene oxide/chitosan)之自供電火災報警系統
(Self-powered Fire Alarm System with Layer-by-layer Graphene oxide/chitosan Nanocoating of Flame-retardant Nanofilms)
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檔案 [Endnote RIS 格式]    [Bibtex 格式]    [相關文章]   [文章引用]   [完整記錄]   [館藏目錄]   至系統瀏覽論文 (2028-7-1以後開放)
摘要(中) 本文開發了一種自供電的火災報警系統,利用一種三明治結構狀的自供電火災感測器(SSFS)和一個簡單的系統來防止室內火災。SSFS 小巧、阻燃,可以輕鬆安裝在家具或門上。SSFS 使用以近場電紡織技術(NFES)製成的聚偏氟乙烯共三氟乙烯(PVDF-TrFE)壓電材料纖維和柔性印刷電路板(FPCB)構建的奈米發電機,通過收集運動能量產生電力。這種奈米發電機可以在幾分鐘內充滿電容,並產生最大6.47伏特的電壓輸出。SSFS 還在其頂部與底部通過逐層疊加組裝技術(LBL技術)製備兩塊阻燃三聚氰胺泡棉(MFs),泡棉表面被含有氧化石墨烯(GO)和幾丁聚醣的多層奈米塗層包覆。在高溫情況下,MFs 的電氣狀態從絕緣變為導電,約4秒後觸發火災報警燈。本研究的新穎之處在於,三明治狀的設計使得 SSFS 能夠應對各種火災報警情況,尤其是當感測器的頂部和底部都暴露在火焰中的情況下。使用這種三明治狀設計的火災感應器,可以減少火災警報的延遲時間。奈米發電機可以在初始觸發後保持警報工作22秒,足夠確保人們遠離火災。總而言之,這項研究通過一種輕便且自供電的火災報警系統,利用壓電奈米發電機(PENGs)收集運動能量,提供了一種創新的方法來降低建築火災風險。
摘要(英) We developed a self-powered fire alarm system that utilizes a sandwich-like self-powered fire sensor (SSFS) with the simple system to prevent room fires. The SSFS is small, flame-retardant, and can be easily installed on furniture or doors. The SSFS uses a nanogenerator constructed by poly(vinylidenefluoride-co-trifluoroethylene) (PVDF-TrFE) nanofibers which fabricated by NFES technology and a flexible printed circuit board (FPCB) to produce electrical power by harvesting motion energy. This nanogenerator can fully charge capacitors in a few minutes and produces a maximum voltage output of 6.47 V. The SSFS also features two flame-retardant melamine foams (MFs) coated with a graphene oxide (GO) and chitosan multilayer nanocoating which is fabricated by layer-by-layer technology (LBL technology). While encountering a high-temperature situation, the electrical state of MFs changes from insulated to conductive, triggering the fire alarm light in about 4 seconds. The sandwich-like design allows the SSFS to respond to a variety of fire alarm situations, especially in the case where both the top and bottom of the sensor are exposed to flame. It is such an innovative research to decrease the delay time of fire-warning by using this sandwich-like design fire sensor. The nanogenerator can keep the warning working for 22 seconds after the initial trigger, which produces enough time to ensure people stay clear of the fire. source. All in all, this study presents a novel approach to reducing the risk of building fires through a lightweight and self-powered fire alarm system that harvests motion energy using piezoelectric nanogenerators (PENGs).
關鍵字(中) ★ 近場電紡織
★ 聚偏二氟乙烯
★ 逐層氧化石墨烯/幾丁聚醣多層膜之三聚氰胺泡棉
★ 逐層疊加組裝技術
★ 三明治狀結構設計之自供電火災感測器
關鍵字(英) ★ Near-field electrospinning
★ Poly(vinylidenefluoride-co-trifluoroethylene)
★ Graphene oxide/ chitosan-modified melamine foam
★ Layer-by-layer technology (LBL technology)
★ Sandwich-like self-powered fire sensor (SSFS)
論文目次 目錄
摘要 I
Self-powered Fire Alarm System with Layer-by-layer Graphene oxide/chitosan Nanocoating of Flame-retardant Nanofilms III
Abstract III
致謝 IV
目錄 V
圖表目錄 VII
第一章 緒論 1
1.1 前言 1
1.2 研究動機與目的 2
1.3 論文大致架構 3
第二章 文獻回顧 5
2.1 壓電效應 5
2.1.1. 正壓電效應 (Direct Piezoelectric Effect) 6
2.1.2. 逆壓電效應 (Converse Piezoelectric Effect) 7
2.2 具壓電性質之材料 8
2.2.1. 壓電材料種類 8
2.2.2. 壓電材料操作模式 9
2.3 壓電聚合物 11
2.4 近場電紡織技術 13
2.4.1. 近場電紡織技術背景 13
2.4.2. 近電紡織技術原理 13
2.5 奈米發電機 16
2.5.1. 壓電奈米發電機(Piezoelectric Nanogenerator) 16
2.6 逐層疊加組裝技術 18
2.6.1. 沉浸式組裝 18
2.7氧化石墨烯與還原氧化石墨烯 20
2.8 幾丁聚醣 22
2.9聚二甲基矽氧烷(PDMS) 24
第三章 具奈米多層結構薄膜(Graphene oxide/chitosan)之自供電火災報警系統 25
3.1導論 26
3.2實驗方法及步驟 27
3.2.1 電紡絲製作方法及材料 27
3.2.2 逐層氧化石墨烯/幾丁聚醣之多層膜製備 28
3.2.3 量測設備及應用 29
3.3結果與討論 30
第四章 結論 47
第五章 未來展望 48
參考文獻 49
實 驗 儀 器 54


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指導教授 利定東 審核日期 2023-7-25
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