Study of series connected lithium-ion batteries balance management system for electric motorcycle / 曾建銘 撰 .- 彰化縣
曾建銘、張舜長
E-mail: [email protected]
ABSTRACT
This study describes the characteristics of lithium batteries used in electric motorcycle. There are many factors resulting in unbalanced battries, such as the battery charge and discharge characteristics, degree of aging. The unbalanced batteries may be resulting in over-charging or over-discharge of battery, or even shorten the battery life, as well as influence the estimated state of charge(SOC) accurately. In order to improve battery life and the estimated state of charge(SOC) accurately, this study is divided into two research directions as follows: 1. Lithium battery performance testing platform for different discharge conditions, ambient temperature. These experimental data of battery charge and discharge test that used to construct lithium-iron battery performance database. 2. Using the four lithium-iron batteries in series to form a balanced circuit module. The above four modules strung together to form sixteen lithium iron battery cells. By battery balanced technologies, the each modules of batteries pack can be obtained the same capacity. Finally, a series of experimental results are presented to demonstrate the feasibility of the proposed method.
Keywords : Electric motorcycle、Lithium battery、State of charge、Series-connected batteries balance Table of Contents
目錄
封面內頁 簽名頁
中文摘要...iii
ABSTRACT...iv
誌謝...v
目錄...vi
圖目錄...ix
表目錄...xii
符號說明...xiii
第一章 緒論...1
1.1前言...1
1.2 文獻回顧...3
1.2.1 串聯電池充放電研究...4
1.2.2 電池殘電量(SOC)之探討相關研究...5
1.2.3 電池健康狀態(SOH)之探討相關研究...6
1.2.4 電池平衡之探討相關研究...8
1.3 研究動機與目的...9
1.4 研究步驟...11
1.5 論文架構...13
第二章 鋰電池平衡應用於電動機車...14
2.1電動機車介紹...14
2.2二次電池介紹...15
2.3電池殘電量檢測方法...19
2.4串聯鋰電池電量平衡及影響...22
2.5串聯電池平衡電路介紹 ...24
2.5.1消耗型電池平衡電路 ...25
2.5.2非消耗型電池平衡電路...27
2.6鋰電池健康狀態定義...33
第三章 串聯電池平衡測試方法與設備...34
3.1 鋰電池性能測試設備...34
3.2 鋰電池性能檢測實驗...45
3.3 串聯鋰電池組電量平衡技術...49
3.3.1串聯鋰電池電壓偵測模組...50
3.3.2電阻式消耗平衡模組...51
3.3.3切換電感式模組...56
第四章 實驗與驗證結果...63
4.1利用電池性能測試建立26650鋰鐵電池相關數據...63
4.2鋰錳電池與鋰鐵電池性能比較...65
4.3電池殘電量顯示器實車測試...67
4.4串聯電池不作平衡與有作平衡的驗證...70
4.5串聯電池電阻式平衡功能測試...73
4.6電池電感式平衡驗證其功能性...74
4.7比較電阻式平衡與電感式平衡的平衡效果...76
4.7.1平衡後電池能量比較...76
4.7.2未平衡與有平衡放電時間比較...78
4.7.3電阻式平衡與電感式平衡靜置平衡時間比較...82
4.7.4電阻式平衡與電感式平衡充電平衡比較...83
4.7.5電阻式平衡與電感式平衡靜置放電平衡比較...86
第五章 結論與建議...88
5.1結論...88
5.2建議事項與未來研究...89
參考文獻...90 REFERENCES
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