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AssigneeBYD Company Limited
InventorsZhijia TAN, Long WAN, Qingbo PENG, Ran WANG, Zenan SUN
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A battery protection bottom plate includes a protective layer, a metal plate, and a fiber-reinforced resin layer. The metal plate is located between the protective layer and the fiber-reinforced resin layer, and the metal plate and the fiber-reinforced resin layer satisfies: 0 . 4 ≤ d 1 d 2 * e - ε 0 * σ 2 σ 0 * ε 2 + 0.5 ≤ 2. where d1 is a thickness of the fiber-reinforced resin layer in mm, d2 is a thickness of the metal plate in mm, ε2 is an elongation at break of the metal plate, σ2 is a tensile strength of the metal plate in MPa, ε0 is an elongation at break of the fiber-reinforced resin layer, and σ0 is a tensile strength of the fiber-reinforced resin layer in MPa.
A battery protection bottom plate, comprising a protective layer, a metal plate, and a fiber-reinforced resin layer, the metal plate located between the protective layer and the fiber-reinforced resin layer, and the metal plate and the fiber-reinforced resin layer satisfying:
A battery pack composite, comprising a battery pack and a battery protection bottom plate, the battery protection bottom plate disposed below the battery pack, and a buffer zone formed between the battery pack and the battery protection bottom plate, wherein the battery protection bottom plate comprises a protective layer, a metal plate, and a fiber-reinforced resin layer, the metal plate located between the protective layer and the fiber-reinforced resin layer, and the metal plate and the fiber-reinforced resin layer satisfying:
A vehicle, comprising a battery pack composite protection structure comprising a battery pack and a battery protection bottom plate, the battery protection bottom plate disposed below the battery pack, and a buffer zone formed between the battery pack and the battery protection bottom plate, wherein the battery protection bottom plate comprises a protective layer, a metal plate, and a fiber-reinforced resin layer, the metal plate located between the protective layer and the fiber-reinforced resin layer, and the metal plate and the fiber-reinforced resin layer satisfying:
Dependencies are inferred from the claim text.