新式交流阻抗法用以改善電池充電狀態｜國立中央大學博碩士論文系統

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研究生：	蕭晴文 Ching-Wen Hsiao
論文名稱：	新式交流阻抗法用以改善電池充電狀態 AC Impedance Method for Improving Battery Charging Status
指導教授：	蔡章仁 Jang-Zern Tsai
口試委員:
學位類別：	碩士 Master
系所名稱：	資訊電機學院 - 電機工程學系 Department of Electrical Engineering
畢業學年度：	97
語文別：	中文
論文頁數：	70
中文關鍵詞：	充電、阻抗量測
外文關鍵詞：	Charge, Impedance measurement
相關次數：	點閱：6 下載：0
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本論文使用新式交流阻抗充電法對電池充電，藉由電化學分析儀(IM6-ex)，量測電池的阻抗圖，找尋電池最低阻抗值的頻率，再使用此頻率對電池充電，在同樣初始的電池狀態下，使用交流阻抗充電法和一般直流充電法對電池充電，經過放電實驗，交流阻抗充電法增加了近4~5%的放電時間，意味著交流阻抗充電法能夠提高充電效率，更透過電池等效電路的建立與分析，在充電時能夠抑制電池內阻的上升，降低內阻能量損失所造成的溫升效應，進而增加電池的使用壽命。

This study used a new DC-plus-AC charging method to improve the charging efficiency of NiMH batteries. An electrochemical impedance analyzer scanned the impedance of the battery under study in order to find the frequency of the lowest impedance. The battery was then charged with a DC current plus an AC current of that frequency. The impedance scanning process and the charging process repeated for three times. A subsequent discharging process showed that the DC-plus-AC charging method increased the charged energy by 4-5%. The impedance spectroscopy accompanying the charging process demonstrated the new method’s ability in prohibiting impedance increasing of the battery due to the charging process. A new circuit model was developed to represent the electric property of NiMH batteries with a model error of only 0.2%.

中文摘要	I
英文摘要	II
誌謝	III
目錄	IV
圖目錄	VI
表目錄	IX
第一章 研究動機與目的 1
第二章 二次電池及充電方法介紹 3
2-1 電池介紹 3
2-1-1 電池歷史 4
2-1-1-1 一次電池 4
2-1-1-2 二次電池 5
2-1-2 鎳氫電池結構	8
2-1-3 鎳氫電池充放電之工作原理 12
2-1-3-1 正常充放電	12
2-1-3-1 過度充放電	13
2-2 充電法介紹 14
2-2-1定電壓充電法(CV) 14
2-2-2定電流充電法(CC) 15
2-2-3 定電流．定電壓充電法(CC-CV) 17
2-2-4 模糊控制充電法 17
2-2-5 脈衝式充電法	18
2-2-6 Reflex充電法	18
2-2-7 VFPCS充電法	19
2-3 新式交流阻抗充電法原理	20
2-4 各式充電法比較	21
第三章 充放電電路設計與實驗方法 23
3-1 阻抗量測儀器與設定 23
3-2 充電電路 24
3-3 放電電路 28
3-4 LabVIEW監控系統 30
3-4-1 軟體簡介 30
3-4-2 LabVIEW監控架構 32
3-4-2-1放電程式 32
3-4-2-2 放電曲線整合 33
3-5 實驗參數表 34
第四章 實驗結果與討論 36
4-1 DC400與DC400+AC200充電法結果 36
4-2 DC200與DC200+AC200充電法結果 40
4-3 電池等效電路模型模擬 44
4-3-1等效電路模型之介紹 44
4-3-2等效電路模型選用及模擬結果 46
4-3-3阻抗圖實驗結果模擬 50
第五章 結論 55
參考文獻	56

                                

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