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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 劉如熹(Ru-Shi Liu) | |
dc.contributor.author | Ri-Xin Ye | en |
dc.contributor.author | 葉日新 | zh_TW |
dc.date.accessioned | 2021-06-16T09:23:29Z | - |
dc.date.available | 2017-07-12 | |
dc.date.copyright | 2017-07-12 | |
dc.date.issued | 2017 | |
dc.date.submitted | 2017-06-22 | |
dc.identifier.citation | 參考文獻
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/59429 | - |
dc.description.abstract | 工業革命帶動科技發展與提升人類生活水平,當使用火力與煤炭作為動力來源,滿足能源需求之同時,大量碳排放卻造成全球暖化危機。若欲地球永續發展,綠能發電勢在必行。由風能、核能至太陽能,此些綠能研究之創新與突破,已為人類帶動全新能源革命。能源產生,須有裝置將其儲存,鋰氧電池(lithium oxygen battery)因具能量密度大與高電容量之優點,已成為近十年極具潛力之儲能裝置。
本研究合成氮化鈷(cobalt nitrite)複合奈米碳管(carbon nanotube)作為鋰氧電池陰極觸媒。奈米碳管具良好導電與熱穩定性,其高表面積亦助於儲存放電後之過氧化鋰(lithium peroxide)。氮化鈷表面具有零價與三價之鈷金屬,充電時,將輔助過氧化鋰分解。 本研究藉由X光粉末繞射儀(X-ray diffraction spectroscopy; XRD)、同步輻射X光吸收光譜(X-ray absorption spectroscopy; XAS)與X射線光電子能譜儀(X-ray photoelectron spectroscopy; XPS)鑑定觸媒晶格與價數;以掃描式電子顯微鏡(scanning electron microscope; SEM)與穿透式電子顯微鏡(transmission electron microscopy; TEM)觀測表面與內部之形貌;並使用循環伏安法(cyclic voltammetry; CV)與電化學交流阻抗法(electrochemical impedance spectrum; EIS)探測觸媒電化學活性;最後利用充放電機量測電池電容量與循環穩定性。經上述鑑定,氮化鈷/奈米碳管複合材料有助於降低鋰氧電池充放電之過電壓,且具良好之循環穩定性。 | zh_TW |
dc.description.abstract | The industrial revolution led to the development of science and technology, thereby enhancing human living standards. While the use of fire and coal as power source satisfied people’s energy needs, the large number of carbon emissions have derived on a global warming crisis. For the sustainable development of our environment, green power is imperative. Research on the innovation of green energies has driven a whole new revolution for mankind. When energy is generated, there must be a device to store it. Lithium oxygen battery, with the advantages of high energy density and capacity, has become a promising energy storage device in this recent decade.
In this study, we synthesized cobalt nitrite combined with carbon nanotubes as cathode catalysts for lithium oxygen batteries. Carbon nanotubes possess excellent conductivity and thermal stability. Besides, their large surface area helps store lithium peroxide, the discharge product. During charge, Co and Co3+ on the surface of cobalt nitrite will help decompose lithium peroxide. X-ray diffraction spectroscopy, X-ray absorption spectroscopy, and X-ray photoelectron spectroscopy were conducted to identify crystal lattice and valence of catalysts. Scanning electron microscope and transmission electron microscopy were used to observe the inner and outer morphology of the catalysts. Cyclic voltammetry and electrochemical impedance spectroscopy were operated to detect electrochemical activity. Finally, battery capacity and cycle stability were tested by galvanostatic discharge/charge process. The above-mentioned techniques demonstrated the outstanding cycle stability and decreased overpotential during discharge and charge that was efficiently achieved in lithium oxygen batteries by the combination of cobalt nitrite with carbon nanotubes. | en |
dc.description.provenance | Made available in DSpace on 2021-06-16T09:23:29Z (GMT). No. of bitstreams: 1 ntu-106-R04223168-1.pdf: 7300592 bytes, checksum: f694ca0ab45abd1755dba76edff88c22 (MD5) Previous issue date: 2017 | en |
dc.description.tableofcontents | 目錄
誌謝 II 摘要 IV Abstract V 目錄 VI 圖目錄 IX 表目錄 XII 第一章 緒論 1 1.1 鋰離子電池與鋰氧電池比較 2 1.2 鋰氧電池工作原理 2 1.3 鋰氧電池之問題 4 1.4 鋰氧電池之種類 6 1.4.1有機體系鋰氧電池 7 1.4.2水系體系鋰氧電池 7 1.4.3全固態鋰氧電池 7 1.4.4混合體系鋰氧電池 8 1.5鋰氧電池充放電機制探討 8 1.5.1放電機制探討 8 1.5.2充電機制探討 11 1.5.3觸媒應用於鋰氧電池 12 1.5.3.1鋰氧電池充電過電壓生成原因 12 1.5.3.2鋰氧電池觸媒機制 14 1.6有機體系鋰氧電池溶劑種類 16 1.6.1碳酸酯類(alkyl carbonates) 17 1.6.2醚類(ethers) 18 1.6.3醯胺類(amide) 19 1.6.4離子液體(ionic liquid) 20 1.7鋰氧電池常用陰極觸媒 20 1.7.1碳材 21 1.7.1.1碳黑 21 1.7.1.2奈米碳管 21 1.7.1.3石墨烯 23 1.7.2貴金屬 24 1.7.2.1鉑與金 24 1.7.2.2鈀與釕 24 1.7.3金屬化合物 26 1.7.3.1鈷金屬氧化物 26 1.7.3.2錳金屬氧化物 27 1.7.3.3三元金屬氧化物 27 1.7.3.4二硫化鈷 27 1.7.4碳化鉬 27 1.7.4氧化還原介體(mediator) 30 1.7.4.1四硫富瓦烯(tetrathiafulvalene; TTF) 30 1.7.4.2碘化鋰(lithium iodide) 30 1.7.5熔鹽(molten salt) 31 1.8 研究動機與目的 33 第二章 實驗步驟與儀器分析原理 35 2.1氮化鈷與氮化鈷/奈米碳管複合材料之合成 35 2.1.1氮化鈷合成 35 2.1.1.1氧化奈米碳管合成 35 2.1.1.2氮化鈷合成 36 2.1.1.3不同比例氮化鈷/奈米碳管複合材料合成 37 2.1.2觸媒漿料與電極配製 38 2.1.3鈕扣電池組裝 38 2.1.4鋰氧電池測試系統 39 2.2材料結構鑑定 40 2.2.1 X光繞射儀(X-ray diffraction; XRD) 40 2.2.3掃描式電子顯微鏡(scanning electron microscope; SEM) 42 2.2.4穿透式電子顯微鏡(transmission electron microscopy; TEM) 42 2.2.5 X射線光電子能譜儀(X-ray photoelectron spectroscopy; XPS) 43 2.2.6 X光吸收光譜(X-ray absorption spectroscopy; XAS) 45 2.2.7 X光吸收光譜之近邊緣結構(X-ray absorption near edge structure; XANES) 46 2.2.8 X光吸收光譜之延伸區精細結構(extended X-ray absorption fine structure; EXAFS) 47 2.2.9循環伏安法(cyclic voltammetry; CV) 48 2.2.10電化學交流阻抗法(electrochemcal impedance spectrum; EIS) 49 2.2.11充放電測試儀 51 第三章 結果與討論 53 3.1金屬氮化鈷結構鑑定 53 3.1.1 XRD鑑定分析 53 3.1.2 XANES鑑定 54 3.1.3 EXAFS鑑定 54 3.1.4 XPS分析 55 3.1.5 SEM結構分析 57 3.1.6 TEM結構鑑定 57 3.2金屬氮化鈷之電性分析 59 3.2.1 CV 59 3.1.2 EIS分析 60 3.1.3充放電分析 62 第四章 結論 66 參考文獻 67 圖目錄 圖1-1 鋰氧電池組成示意圖。 3 圖1-2 鋰氧電池工作原理。 4 圖1-3 鋰氧電池待解決項目圖。 5 圖1-4 常見鋰氧電池類型。 6 圖1-5 高電流密度放電下過氧化鋰型態。 8 圖1-6 低電流密度放電下過氧化鋰型態。 9 圖1-7 不同溶劑與鋰鹽影響過氧化鋰產物型態示意圖。 10 圖1-8 鋰氧電池放電機制示意圖。 11 圖1-9 過氧化鋰充電機制。 12 圖1-10 充電時副產物生成示意圖。 13 圖1-11 觸媒中氧氣空缺示意圖。 14 圖1-12 釕觸媒於全固態鋰氧電池效率分析。 15 圖1-13 觸媒降低過氧化鋰活化能示意圖。 16 圖1-14 碳酸丙烯酯開環機制。 18 圖1-15 醚類自氧化機制。 19 圖1-16 2,3-dimethyl-2,3-dimethoxybutane(DMDMB)結構。 19 圖1-17 常見離子液體。 20 圖1-18 孔狀碳材示意圖。 21 圖1-19 (a)奈米碳管充放電圖與(b)氮摻雜奈米碳管充放電圖。 22 圖1-20 氮摻雜奈米碳管放電機制示意圖。 22 圖1-21 石墨烯之充放電圖(曲線a)。 23 圖1-22 鉑與金合金充放電圖。 24 圖1-23 鉑與鈀與釕等奈米粒子結合石墨烯充放電圖。 25 圖1-24 (a)RuO2 nanosheet TEM與(b)RuO2 nanosheet充放電圖。 25 圖1-25 Mn3O4/Pd表面催化示意圖。 26 圖1-26 中孔於大孔中之結構示意圖。 27 圖1-27 MoC2/Carbon充放電圖。 28 圖1-28 氧化MoC2電子狀態密度圖。 28 圖1-29 晶相(a)與非晶相(b) MoO3電子狀態密度圖。 29 圖1-30 常見鋰氧電池固態陰極觸媒。 29 圖1-31 四硫富瓦烯氧化還原介體充放電圖。 30 圖1-32 碘化鋰充放電循環圖。 31 圖1-33 molten salt充放電測試。 32 圖1-34 氮化鈷複合奈米碳管作為鋰氧電池陰極觸媒示意圖。 34 圖2-1 立方晶格空間群。 37 圖2-2 氮化鈷晶型結構示意圖。 37 圖2-3 電極製作流程圖。 38 圖2-4 鈕扣電池組裝示意圖。 39 圖2-5 電池測試裝置。 40 圖2-6 布拉格干涉定律示意圖。 41 圖2-7 TEM組成示意圖。 43 圖2-8 光電子能譜儀示意圖。 44 圖2-9 XPS原理示意圖。 45 圖2-10 原子X光吸收示意圖。 46 圖2-11 EXAFS原理示意圖。 47 圖2-12 三電極系統示意圖。 49 圖2-13 李沙育圖示意圖。 50 圖2-14 奈奎斯特示意圖。 51 圖2-15 充放電儀器。 52 圖2-16 觸媒材料結構與電性分析。 52 圖3-1 不同比例氮化鈷/奈米碳管XRD圖。 53 圖3-2 不同鈷化合物之(a)X光吸收光譜圖與(b)吸收邊放大圖。 54 圖3-3 EXAFS氮化鈷原子鍵結圖。 55 圖3-4 (a)氮化鈷(b)氮化鈷/奈米碳管之鈷XPS細譜。 56 圖3-5 (a)氮化鈷與(b)氮化鈷/奈米碳管複合材料SEM圖。 57 圖3-6 (a)氮化鈷與(b)氮化鈷/奈米碳管複合材料TEM圖。 58 圖3-7 氮化鈷HRTEM圖。 58 圖3-8 氮化鈷/奈米碳管HRTEM圖。 59 圖3-9 (a)碳黑與(b)氮化鈷CV圖。 60 圖3-10 (a)氮化鈷與(b)氮化鈷/奈米碳管EIS圖。 61 圖3-11 氮化鈷與不同比例之氮化鈷/奈米碳管充放電圖。 63 圖3-12 0.5 mmol氮化鈷/奈米碳管不同電流密度充放電測試。 64 圖3-13 (a)氮化鈷與(b) 0.5 mmol氮化鈷/奈米碳管循環充放電測試。 65 圖3-14 (a)氮化鈷(b) 0.5 mmol氮化鈷/奈米碳管放電圈數與電容量圖。 65 表目錄 表1-1 常見電池能量密度。 2 表2-1 使用之藥品與溶劑表。 35 表2-2 繞射晶格消光條件。 41 表3-1 氮化鈷與氮化鈷/奈米碳管Rs 與Rf 值。 62 表3-2 各類觸媒第一圈放電電容量。 63 | |
dc.language.iso | zh-TW | |
dc.title | 氮化鈷與奈米碳管複合材料應用於鋰氧電池陰極觸媒 | zh_TW |
dc.title | Cobalt Nitrite Combined with Carbon Nanotube for Lithium-O2 Battery Cathode Catalysts | en |
dc.type | Thesis | |
dc.date.schoolyear | 105-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 吳乃立(Nae-Lih Wu),鄭淑芬(Soofin Cheng),張文昇,魏大華 | |
dc.subject.keyword | 鋰氧電池,OER陰極觸媒,鋰空氣電池, | zh_TW |
dc.subject.keyword | Lithium-oxygen battery,OER cathode electrocatalysts,Lithium air battery, | en |
dc.relation.page | 76 | |
dc.identifier.doi | 10.6342/NTU201701048 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2017-06-22 | |
dc.contributor.author-college | 理學院 | zh_TW |
dc.contributor.author-dept | 化學研究所 | zh_TW |
顯示於系所單位: | 化學系 |
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