高密封性一體成型電池外殼及其成型方法

專利類型

發明

專利國別 (專利申請國家)

中華民國

專利申請案號

106140285

專利證號

I 643382

專利獲證名稱

高密封性一體成型電池外殼及其成型方法

專利所屬機關 (申請機關)

弘光科技大學

獲證日期

2018/12/01

技術說明

摘要 本計畫執行至今已協助廠商完成之研發工作及產品開發項目，包括鋁合金原料篩選及購置、成型沖頭設計、整型沖頭設計、模具設計、各式沖頭及模具製作、整體機構組裝。內容包括1.鋁合金材料篩選及購置，本計畫依據研發電池外殼所需之抗壓強度、沖壓成型性及耐腐蝕性選用Al-Mn合金 3003，使用合金之強度在155~275N/mm2，第一階段測試所採購之鋁合金為309.09kg。2.成型沖頭的設計，利用電腦輔助工程協助設計成型沖頭，包括沖頭圓角、摩擦係數等參數。3.整型沖頭的設計，電池外殼之整型沖頭設計使用高速鋼材為基材，經重覆修正各項沖壓應力及重覆進行測試其精密度。4.模具設計，利用電腦輔助工程設計沖壓模具，其相關模具設計參數包括模具圓角、材料摩擦係數，並配合鋁殼之流體附和及等效應力分佈等結構分析。5.各式沖頭及模具製作。6.整體機構組裝。7.外殼材質應用。8.製程最佳化設計。9.鋰鐵電池外殼規格驗證。技術產出包括，1.一體成型鋁合金外殼之成型沖頭、整型沖頭之設計及製模技術。2.沖壓出具正極接點之模具設計及技術。3.沖壓毛胚之表面處理及磷酸鹽潤滑技術。4.高密性、耐腐蝕性、輕質化及抗壓性之一體成型電池外殼之製程技術。 關鍵詞: 鋁合金、沖頭、抗壓強度、耐腐蝕、鋰鐵電池、電池外殼 Abstract This project has been completed to assist manufacturers, including aluminum alloy selection and design, raw material purchase, forming punch pin design, mold design, plastic mould making, all kinds of punch and the whole assembly. Including (1) the selection and purchase of aluminum alloy materials, compressive strength, the project on the basis of research for battery shell stamping formability and corrosion resistance of the Al-Mn alloy 3003, alloy strength using in 155~275 N/mm2, the first stage of testing purchased aluminum alloy for 309.09 kg. (2) The design offorming punch pin, assist in the design of forming punch pin using computer aided engineering, including punch pin radius, friction coefficient. (3) The design of integer punch pin design, integer battery shell using high speed steel as the substrate, after repeated correction the stress test and repeated stamping precision. (4) Mold design, using computer aided engineering design of stamping die, the die design parameters including friction coefficient, die fillet material, and with the aluminum shell with fluid and equivalent stress distribution analysis etc.. (5) The kinds of punch pin and die making. (6) Whole body and part assembly. (7)The shell material application. (8) The process optimization design. (9) The lithium iron phosphate battery shell specifications. The output includes (1) integrated molding, punch pin, punch aluminum alloy shell integer design and molding technology. (2) To accomplish design and technology of the positive electrode contact point. (3) The raw surface treatment and phosphate lubrication technology. (4) High density, corrosion resistance, light integration and compression molding process for lithium iron phosphate battery shell. Keywords: aluminum alloy, punch pin, compressive strength, corrosion resistance, lithium iron phosphate battery, cell shell

備註

連絡單位 (專責單位/部門名稱)

研究發展處

連絡電話

04-26318652轉2205

網址