US 2026/0201509 A1 · ALUMINUM ALLOY MATERIAL, ALUMINUM ALLOY STRUCTURAL COMPONENT AND PREPARATION METHOD THEREOF, BATTERY BOX, BATTERY SYSTEM, ELECTRIC APPARATUS, AND APPLICATION

Abstract

An aluminum alloy material, an aluminum alloy structural component, a preparation method of an aluminum alloy structural component, a battery box, a battery system, an electric apparatus, and an application are provided. By mass percentage, the aluminum alloy material includes silicon element, copper element, titanium element, magnesium element, zinc element, manganese element, strontium element, a matrix element Al, and unavoidable impurity elements. The aluminum alloy material includes no Al2Cu phase or includes a small amount of Al2Cu phase.

Claims20

Dependent claims

An aluminum alloy material, wherein by mass percentage, the aluminum alloy material comprises the following constituent elements:

6%-11% of Si, 0.5%-0.9% of Cu, 0.1%-0.4% of Ti, 0.2%-0.6% of Mg, 0.25%-0.6% of Zn, 0.5%-1.1% of Mn, 0.01%-0.05% of Sr, a matrix element Al, and unavoidable impurity elements;
wherein
the aluminum alloy material comprises or does not comprise an Al2Cu phase, and a mass fraction of the Al2Cu phase in the aluminum alloy material is less than or equal to 1.3%.

Dependencies are inferred from the claim text.

Facts

Application

19/566,297Filed 13 Mar 2026

Priority

CN 202311607993.427 Nov 2023

Published

16 Jul 2026

Term ends

Not estimatedThe source records don’t support an estimate.

Classification16 codes

C22C 21/003
Alloys based on aluminium: containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium
C22C 21/04
With silicon as the next major constituent: modified aluminium-silicon alloys
C22C 1/026
By melting: alloys based on aluminium
C22F 1/04
Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working: of aluminium or alloys based thereon

Aluminum alloy material, aluminum alloy structural component and preparation method thereof, battery box, battery system, electric apparatus, and application

Life of this patent

Aluminum alloy material, aluminum alloy structural component and preparation method thereof, battery box, battery system, electric apparatus, and application

Life of this patent

Abstract

Claims20