Alloy foil and preparation method thereof, current collector, negative pole piece, secondary battery and electric device
Source: EPO OPS
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Dossier Overview
Application number
CN202310260766
Inventor
YUN LIANG; SUN XIN; WU LILI; DONG MIAOMIAO; LI XUAN; CHEN XINGBU; SONG PEIDONG
Filing Date
Mar 17, 2023
Publication Date
Sep 20, 2024
Patent Family ID
92723305
IPC Classification
CPC Classification
The invention provides an alloy foil and a preparation method thereof, a current collector, a negative pole piece, a secondary battery and an electric device, the alloy foil comprises an iron element, a nickel element and a copper element, and the mass ratio of the nickel element in the alloy foil is 30-60%. The alloy foil provided by the invention can improve the energy density and reliability of the secondary battery.
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