Aluminum alloy material, aluminum alloy structural component, battery box, battery system, electric apparatus, preparation method, and application
AssigneesShanghai Jiao Tong University, Contemporary Amperex Technology Co., Limited
InventorsShangzhe DU, Jun JIA, Kai FENG, Qing WANG, Zhiquan LIN
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Abstract
An aluminum alloy material, an aluminum alloy structural component, a battery box, a battery system, an electric apparatus, a preparation method, and an application are provided. The aluminum alloy material includes the following constituent elements: Si, Mn, Mo, Zr, Sr, Sc, B, a matrix element Al, and an unavoidable impurity element. In the aluminum alloy material, both Mo element and Zr element have a low content.
Claims20
An aluminum alloy material, comprising the following constituent elements:
- Si, Mn, Mo, Zr, Sr, Sc, B, a matrix element Al, and an unavoidable impurity element;
- wherein the aluminum alloy material comprises an Al—Si eutectic phase, an AlBx strengthening phase, and an AlSiMnSc strengthening phase, the AlBx strengthening phase comprising at least an AlB2 strengthening phase;
- a mass percentage of Mo in the aluminum alloy material is less than or equal to 0.25%;
- and
- a mass percentage of Zr in the aluminum alloy material is less than or equal to 0.2%.
An aluminum alloy material, wherein by mass percentage, the aluminum alloy material comprises 8%-11.5% of Si element, 0.05%-0.35% of Sc element, 0.01%-0.4% of B element, 0.3%-1.0% of Mn element, 0.02%-0.25% of Mo element, 0.01%-0.2% of Zr element, 0.02%-0.08% of Sr element, a matrix element Al, and an unavoidable impurity element.
Dependencies are inferred from the claim text.