ALUMINUM ALLOY FOIL FOR ELECTRODE COLLECTOR BODY AND MANUFACTURING METHOD THEREFOR

PROBLEM TO BE SOLVED: To provide an aluminum alloy foil for cell electrode collector body.SOLUTION: There is provided an aluminum alloy foil for cell electrode collector body containing, Fe:0.10 to 0.60 mass% (hereafter mass% is described simply with %), Si:0.01 to 0.50%, Cu:0.01 to 0.20% and the ba...

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Bibliographische Detailangaben
Hauptverfasser: ISHI MASAKAZU, SUZUKI SATORU, FURUYA TOMOHIKO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an aluminum alloy foil for cell electrode collector body.SOLUTION: There is provided an aluminum alloy foil for cell electrode collector body containing, Fe:0.10 to 0.60 mass% (hereafter mass% is described simply with %), Si:0.01 to 0.50%, Cu:0.01 to 0.20% and the balance Al with inevitable impurities, and having average of roughness Ra of 0.3 μm or less on both surfaces, an average value of roughness Ra on one surface of both surfaces larger than an average value of roughness Ra on another surface, in which tensile strength of the aluminum alloy foil is 200 to 300 MPa and tensile strength of the aluminum alloy foil is 160 MPa or more even when a heat treatment with any of 100°C for 24 hours, 150°C for 3 hours and 200°C for 15 minutes is conducted.SELECTED DRAWING: Figure 1 【課題】電池電極集電体用アルミニウム合金箔の提供。【解決手段】Fe:0.10〜0.60mass%(以下、mass%を単に%と記す。)、Si:0.01〜0.50%、Cu:0.01〜0.20%を含有し、残部Al及び不可避的不純物から成るアルミニウム合金箔であり、上記アルミニウム合金箔は、両面において、粗度Raの平均値が0.3μm以下であり、又、上記両面のうち一方の表面における粗度Raの平均値は、他方の表面における粗度Raの平均値より大きく、そして、上記アルミニウム合金箔の引張強さは、200〜300MPaであり、100℃で24時間、150℃で3時間、及び200℃で15分のうちのいずれの熱処理を行った場合にも、上記アルミニウム合金箔の引張強さは、160MPa以上である、電池電極集電体用アルミニウム合金箔。【選択図】図1