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Battery Electrode Foil For The Production Of Lithium-Ion Accumulators

Patent No. EP3714077 (titled "Battery Electrode Foil For The Production Of Lithium-Ion Accumulators") was filed by Hydro Aluminium Rolled Products on Nov 20, 2018. The application was issued on Jan 24, 2024.

Patent Summary

A battery electrode foil comprising an aluminum alloy with a specific composition, processed through a cold rolling method without intermediate annealing, to produce a foil with high electrical conductivity and a uniform texture on both sides. The alloy composition includes 0.01-0.15% Si, 0.02-0.4% Fe, ≤0.08% Cu, ≤0.03% Mn, ≤0.03% Mg, ≤0.01% Cr, and 0.005-0.03% Ti. The foil exhibits intermetallic phases with a diameter of 0.1-1.0 μm and a density of at least 100 particles/mm², and is suitable for use as a current collector in lithium-ion batteries.

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CompanyOpposition DateRepresentative
GRANGESOct 21, 2024VALEA

Dossier Documents

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  • Date

    Description

EP3714077

HYDRO ALUMINIUM ROLLED PRODUCTS
Application Number
EP18812082A
Filing Date
Nov 20, 2018
Status
Granted And Under Opposition
Dec 22, 2023
Publication Date
Jan 24, 2024
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