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研究生： 魏川育
Wei, Chaun-Yu
論文名稱： 高效率且高充放電速率之鋁離子二次電池的研究與電化學分析
The Study and Electrochemical Characterization of High-Efficiency Al-ion battery Under High Charge Rate
指導教授： 陳家俊
Chen, Chia-Chun
學位類別： 碩士
Master
系所名稱： 化學系
Department of Chemistry
論文出版年： 2015
畢業學年度： 103
語文別： 中文
論文頁數： 73
中文關鍵詞： 鋁離子電池 、鋁金屬 、天然石墨
英文關鍵詞： Aluminium-ion battery, Aluminium, Natural graphite
論文種類： 學術論文
相關次數： 點閱：212  下載：0 
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    • 新型二次電池可應用於個人電子產品或大型機具中。鋁離子二次電池的氧化還原反應由三個電子進行轉換，所以能提供非常高的電容。它具有低成本、低可燃性的優點，但由於正極材料的不穩定、低放電電位、無明顯放電平台以及電量快速衰退等問題，導致近三十年沒有顯著的發展。近期一篇期刊討論到相關的鋁離子電池發展，但電量卻只有約70mAh/g。我們提出以鋁金屬作為負極、天然石墨作為正極材料的鋁離子電池。這種電池的工作原理，在負極是鋁金屬的沉積與溶解反應，正極則是負離子的嵌入與嵌出。實際測試後，發現電容量可高達108mAh/g、庫倫效率可達98%以上且1200次充放電後，電量並沒有出現明顯的衰退。

    The development of new rechargeable battery systems could fuel various energy applications, from personal electronics to grid storage. Rechargeable aluminium based batteries offer the possibilities of low cost and low flammability, together with three electron redox properties leading to high capacity. However, research efforts over the past 30 years have encountered numerous problems, such as cathode material disintegration, low cell discharge voltage, capacitive behaviour without discharge voltage plateaus and insufficient cycle life with rapid capacity decay.Recently,Nature Publishing Group published a paper about Al-ion battery,but the specific capacity is only 70mAh/g. We present a rechargeable aluminium battery with high-rate capability that uses an aluminium metal anode and natural graphite cathode. The battery operates through the electrochemical depositionand dissolution of aluminium at the anode, and intercalation/de-intercalation of chloroaluminate anions in the graphite.The specific capacity is about 108mAh/g, a Coulombic efficiency of approximately 98% and without any decay after 1000 cycles.

    目錄 錯誤! 尚未定義書籤。 圖目錄 V 摘要 IXX ABSTRACT X 謝誌 XI 第一章:緒論 1 1-1 前言: 1 1-2 鋁離子電池的發展 1 1-3 鋁離子電池與鋰離子電池成本比較 3 1-4 鋁離子電池的理論電容、功率與能量密度 4 第二章 原理與文獻回顧 5 2-1 鋁離子電池工作原理與介紹 5 2-2 ALCL3型離子液體電解液的發展與探討 6 2-2-1 電解液的選擇與製備 8 2-3室溫鋁離子電池負極材料的改進與設計 9 2-3-1 鋁負極的活化及抗腐蝕 10 2-3-2 鋁枝晶的抑制 10 2-4 室溫鋁離子電池正極材料的研究與探討 11 2-4-1 導電聚合物正極材料---有機多硫化物 11 2-4-1-1 導電聚合物正極材料---聚苯胺膜(PAN) 13 2-4-1-2 導電聚合物正極材料---POLYPYRROLE 13 2-4-2 過渡金屬氧化物 14 2-4-2-1 二氧化錳 15 2-4-2-2 五氧化二釩 16 2-4-2-3 二氧化釩 17 2-4-2-4 十三氧化六釩 18 2-4-3 熱裂解石墨電極 19 2-4-4 3D-石墨電極 20 第三章 研究動機與實驗內容 22 3-1 研究動機 22 3-2 實驗藥品 23 3-3 儀器設備 24 3-4材料鑑定與分析 29 3-4-1 掃描式電子顯微鏡(SEM) 29 3-4-2 穿透式電子顯微鏡(TEM) 29 3-4-3 XRD (X-RAY DIFFRACTION)粉末繞射分析 30 3-5 電極極片的製備 30 3-6 軟包電池(POUCH CELL)的組裝 31 3-7 離子液體電解液製備 32 3-8 軟包電池電化學測試 33 3-8-1一般充放電測試 33 3-8-2 循環伏安法測試 34 3-8-3交流阻抗(AC IMPEDANCE)分析 35 第四章 結果與討論 36 4-1粉末晶體繞射鑑定 36 4-2掃描示電子顯微鏡鑑定 36 4-3 不同電位範圍的探討 38 4-4 不同比例電解液之比較 41 4-5 電化學的量測與分析 42 4-5-1 定電流充放電-電為範圍:0.5~2.5V 42 4-5-2 定電流充放電-電為範圍:0.5~2.45V 49 4-6 大面積電極測試 54 4-7 高速充電、低速放電測試 57 4-8 自放電測試(SELF-DISCHARGE) 64 4-9 超低速放電測試 65 4-10 充放電之結構鑑定 66 第五章 結論 69 參考文獻 70

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