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研究生:陳亮圻
研究生(外文):Liang-Chi Chen
論文名稱:苯基苯酚衍生碳材與銻披覆碳微管提昇鋰離子混成電容器
論文名稱(外文):Upgrading the lithium ion hybrid capacitor with phenylphenol derived carbon and antimony coated CNT
指導教授:蔡大翔
指導教授(外文):Dah-Shyang Tsai
口試委員:陳崇賢王復民
口試委員(外文):Chorng-Shyan ChernFu-Ming Wang
口試日期:2019-06-28
學位類別:碩士
校院名稱:國立臺灣科技大學
系所名稱:化學工程系
學門:工程學門
學類:化學工程學類
論文種類:學術論文
論文出版年:2019
畢業學年度:107
語文別:中文
論文頁數:94
中文關鍵詞:鋰離子混成電容器無電鍍銻披覆碳微管苯基酚衍生碳
外文關鍵詞:lithium ion hybrid capacitorelectroless platingantimony coated CNTphenylphenol derived carbon
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  鋰離子混合電容器,透過調節正負電極之間的不同質量比例來達到電量上的平衡,然而正電極儲存的方式為電雙層(EDL)相對於負極而言電量較為低。為了提高正極電容量,用對位-苯基苯酚高溫鍛燒製備中空多邊形結構的摻雜氮元素(KP-N-900),使活性碳表面積大於3000m 2 g -1。
  奈米碳管氧化,才能使銻元素鍍上於奈米碳管上,並使用無電鍍法沉積,Sb/CNT,而5.0A g-1時的容量接近220mAh g-1
  另一方面,KP-N-900的電容值在10 mV s-1下計算出其碳材內部擴散電容值為56.8F g-1而碳材表面電容值為55.7Fg-1。而在1 mV s-1下,其總電容值為168 F g-1。
  在KP-N-900與Sb /CNT質量比為2:1組成鋰離子混合式電容器其比能量和比功率之間表現出最好特性,與大多數單電極的特性完全不同。鋰離子混合式電容器為2:1的全電池在比功率為0.13 kW kg-1時比能量密度為90 Wh kg-1,而比功率為23.4 kW kg-1時比能量密度為4.5Wh kg-1。
  The storage capability of lithium ion hybrid capacitor can be upgraded through adjusting the mismatched rate qualities between positive and negative electrodes, since the positive electrode of electrostatic double layer (EDL) stores and releases electricity in a lesser quantity, yet much faster than the negative battery electrode. To increase the EDL capacity, a nitrogen-doped carbon (KP-N-900) of hollow-polygon structure is prepared with para-phenylphenol, achieving a surface area above 3000 m2g-1.
  CNT must be oxidized and electrodepositing metallic antimony on Multi-wall carbon nanotubes, Sb/CNT, evidenced by a capacity approximating 220 mAh g-1 at 5.0 A g-1.
  On the other hand, The capacitance of KP-N-900 displays a diffusive component 56.8 F g-1 exceeding its capacitive counterpart at 10 mV s-1. And its total capacitance increases to 168 F g-1 at 1 mV s-1
  Hence, the full cell, with a 2:1 mass ratio of KP-N-900 to Sb/CNT exhibits an effectual trade-off between its energy and power, quite different from the one-sided dependence on the carbon electrode of most hybrid capacitors. Specifically, this 2:1 full cell stores 90 Wh kg-1 at a power level 0.13 kW kg-1, and 4.5Wh kg-1. at power 23.4 kW kg-1
摘要 I
ABSTRACT II
目錄 III
圖目錄 V
表目錄 VIII
第一章 緒論 1
1.1 前言 1
1.2 研究動機 2
第二章 文獻回顧 3
2.1 電化學電容器(Electrochemical capacitors, EC) 3
2.2 電雙層電容器(Electrochemical Double-layer Capacitors, EDLC) 4
2.3 擬電容器 (Pseudocapacitor) 6
2.4 鋰離子混合式電容器 (Lithium-ion hybrid capacitors, LIHC) 7
2.4.1 鋰離子混合式電容器正極材料 8
2.4.2 鋰離子混合式電容器負極材料 9
2.5 電容器電解液 10
2.6 鋰離子電池(Lithium ion battery, LIB) 12
第三章 實驗方法與步驟 14
3.1 實驗藥品耗材與儀器設備 14
3.1.1 正、負極材料製備 14
3.1.2 電性量測 16
3.1.3 電化學測試儀器及設備 18
3.1.4 材料鑑定及分析之儀器 18
3.2 實驗流程圖 19
3.2.1 負極材料合成 19
3.2.2 正極材料合成 20
3.2.3 負極漿料製備 21
3.2.4 正極漿料製備 21
3.2.5 鋰離子混成電容器之電極製備 22
3.3 實驗方法 23
3.3.1 鋰離子混合式電容器負極材料合成 23
3.3.2 鋰離子混合式電容器正極材料合成 25
3.3.3 鋰離子混合式電容器負極漿料製備 26
3.3.4 鋰離子混合式電容器正極漿料製備 26
3.3.5 電流收集器清洗及準備工作 27
3.4 電極材料鑑定與分析 28
3.4.1 場發射掃瞄式電子顯微鏡 28
3.4.2 場發射槍穿透式電子顯微鏡(300KV) 28
3.4.3 表面積及孔徑分析 29
3.5 電化學特性分析 32
3.5.1 循環伏安法 32
3.5.2 恆電流充、放電量測 32
第四章 結果與討論 34
4.1 電極材料性質測試 34
4.1.1 負極材料Sb/CNT之形貌 34
4.1.2 正極材料特性之形貌 37
4.1.3 正極材料特性分析 40
4.2 單電極電化學儲電行為 43
4.2.1 預鋰化負極 43
4.2.2 負電極循環伏安分析 45
4.2.3 負電極不同電流密度下的電容量(rate capacity) 46
4.2.4 正極循環伏安法分析 48
4.2.5 正極不同電流密度下的電容量(Rate capacitance)與穩定性測試(Stability) 52
4.2.6 正極Capacitive與Diffusive比例分析 56
4.3 鋰離子混合式電容器性質測試 65
4.3.1 正負極重量比電容器理論電容量計算 65
4.3.2 放電特性分析 69
4.3.3 恆電流充放電及比電容分析 71
4.3.4 鋰離子混合電容器個別電位充、放電量測分析 74
第五章 結論 78
參考文獻 79
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