A kind of glass fiber separator for battery and preparation method thereof
A technology of glass fiber separator and glass fiber, which is applied in battery pack components, separators/films/diaphragms/spacers, circuits, etc. It can solve the problems of insufficient rigidity of separators and achieve excellent alkali resistance and rigidity High, life-prolonging effect
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Embodiment 1
[0017] Such as figure 1 As shown, a glass fiber separator for batteries includes a substrate, the upper surface of the substrate is provided with an arched bridge deck, and a layer of glass fiber wool is arranged above the arched deck, and the base The lower surface of the sheet is evenly provided with a curved support surface, the cross-sectional shape of the arched bridge deck is arc-shaped, and the cross-sectional shape of the curved support surface is wave-like; the width of the bottom edge of the arched bridge deck is larger than that of one of the curved support surfaces. The width of the bottom edge corresponding to the wave crest; the height of the arched bridge deck is greater than the height of the curved support surface; the wavy shape of the section of the curved support surface is a symmetrical S shape.
[0018] According to the present invention, a method for preparing a glass fiber separator for a battery, the glass fiber separator for a battery includes an arch...
Embodiment 2
[0021] Such as figure 1 Shown, a kind of preparation method for the glass fiber separator of battery, wherein glass fiber wool is made up of the raw material of following parts by weight: SiO 2 75 parts, Al 2 o 3 10 parts, MgO 12 parts, CaO 12 parts, ZnO 0.5 parts, K 2 O 0.1 parts, Li 2 O 0.1 part, TiO 2 0.1 parts, ZrO 2 0.1 part; the arched bridge deck and the curved support surface are made up of the raw materials of the following parts by weight: SiO 2 65 parts, Al 2 o 3 20 copies, K 2 O 1.5 parts, ZnO 0.1 parts, Fe 2 o 3 0.1 part, 5 parts of CaO, 9 parts of MgO; the base sheet includes intertwined glass fiber aggregates, and cellulose slurry dispersed in the glass fiber aggregates, and the parts by weight of the cellulose slurry are the weight of the glass fiber aggregates 10% of the number of parts, the diameter of the glass fiber aggregates is 8 μm, and the rest are the same as in Example 1.
Embodiment 3
[0023] Such as figure 1 Shown, a kind of preparation method for the glass fiber separator of battery, wherein glass fiber wool is made up of the raw material of following parts by weight: SiO 2 70 parts, Al 2 o 3 9 parts, MgO 11 parts, CaO 10 parts, ZnO 0.3 parts, K 2 O 0.3 parts, Li 2 O0.3 parts, TiO 2 0.3 parts, ZrO 2 0.3 part; The arched deck and the curved support surface are made up of the raw materials of the following parts by weight: SiO 2 62 copies, Al 2 o 3 18 parts, K2O 0.8 parts, ZnO 0.5 parts, Fe 2 o 3 0.3 parts, 6 parts of CaO, 10 parts of MgO; the substrate includes intertwined glass fiber aggregates, and cellulose slurry dispersed in the glass fiber aggregates, and the parts by weight of the cellulose slurry are the weight of the glass fiber aggregates 0.2% of the parts by weight, the diameter of the glass fiber aggregates of 5% by weight is 1 μm, and the diameter of the glass fiber aggregates of 95% by weight is 10-18 μm.
[0024] Table 1 Phy...
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Abstract
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