Mass production method of automobile composite material battery box sandwich structure
A technology of composite materials and battery boxes, which can be applied to household appliances, other household appliances, household components, etc., can solve the problems of heavy electromagnetic shielding layer, lack of electromagnetic shielding performance, complex process, etc., and achieve good flame retardancy, fire prevention and insulation Thermal effect, good electromagnetic shielding performance, effect of simplified process steps
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Embodiment 1
[0027] An automobile composite material battery box body is composed of a fireproof functional layer, a sandwich layer, an upper laminated board of composite material and a lower laminated board of composite material.
[0028] The fireproof functional layer is a flexible material with good covering and conformability. In this typical implementation case, the fireproof layer is used as the functional layer to give the battery box a fireproof effect, and its thickness is 0.1mm~1.5mm. Specifically, the fireproof layer is a mat composed of disordered fibers as a carrier, including glass fibers or ceramic fibers, adding expanded graphite, high-temperature mineral fibers, and a small amount of organic binder.
[0029] The sandwich layer is made of foam materials, including but not limited to PMI, PET, PVC, PU and other types of foam, as well as balsa wood and other materials, and its thickness is 0.5mm~40mm.
[0030] The upper and lower laminates of composite materials use high-per...
Embodiment 2
[0042] An automobile composite material battery box body is composed of an electromagnetic shielding functional layer, a sandwich layer, an upper laminated board of composite materials and a lower laminated board of composite materials.
[0043] The functional layer is a flexible material with good coverage and conformability. In this embodiment, the electromagnetic shielding layer is used as the functional layer to endow the battery box with an electromagnetic shielding effect, and its thickness is 0.05 mm to 1 mm. Specifically, the electromagnetic shielding functional layer in this embodiment is a surface felt composed of carbon fibers, and the surface of the fibers contains metal coatings such as nickel and copper.
[0044] The sandwich layer is a foam material, and its material includes but not limited to PMI, PET, PVC, PU and other types of foam or balsa wood and other materials, and its thickness is 0.5mm~40mm.
[0045] The upper and lower laminates of the composite mat...
Embodiment 3
[0058] An automobile composite material battery case shell is composed of a fireproof functional layer, an electromagnetic shielding functional layer, an upper laminated board of composite material and a lower laminated board of composite material.
[0059] The functional layer is a flexible material with good coverage and conformability. In this embodiment, the fireproof layer and the electromagnetic shielding layer are used as functional layers to endow the battery box with both fireproof and electromagnetic shielding effects. The thickness of the fireproof layer is 0.1mm~1.5mm, and the thickness of the electromagnetic shielding layer is 0.05mm~1mm. Specifically, the fireproof layer in this embodiment is made of disordered fiber as a carrier, including glass fiber or ceramic fiber, etc., adding expanded graphite, high-temperature mineral fiber, and a mat composed of a small amount of organic binder; the electromagnetic shielding layer is A surface felt composed of carbon fib...
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