CN117507515A - 一种以无机纤维布为骨架的高温可陶瓷化防火隔热垫 - Google Patents
一种以无机纤维布为骨架的高温可陶瓷化防火隔热垫 Download PDFInfo
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Abstract
本发明属于防火隔热技术领域,具体涉及一种以无机纤维布为骨架的高温可陶瓷化防火隔热垫,由依次设置的A至E层组成,其中A层为正面可陶瓷化耐高温涂层,B层为3D编织无机纤维布正面纤维面层,C层为可陶瓷化隔热填充材料层,D层为3D编织无机纤维布背面纤维底层,E层为背面可陶瓷化耐高温涂层。本技术方案通过使用3D编织无机纤维布为骨架材料,和以硅橡胶、聚氨酯等为基胶的弹性可陶瓷化复合材料,本发明的防火隔热垫,在具有良好的机械强度和常温回弹性的同时,提升了抗剪切强度,可以抵抗新一代电芯喷发时的高强度热射流。
Description
技术领域
本发明属于防火隔热技术领域,适用于新能源汽车、储能、防隔热材料、复合材料、电芯间防火、防火材料技术领域,具体涉及一种以无机纤维布为骨架的高温可陶瓷化防火隔热垫。
背景技术
随着锂电新能源汽车的迅速发展,电芯和电池包的结构呈现出更强的多样化发展,这对热失控防护材料的性能也提出了更多样化的要求。对于电芯级别的热安全防护来说,随着单个电芯容量的上升,热失控防护的目标温度越来越高,对防护材料的隔热能力的要求也越来越高。从当前技术参数来看,传统的云母板已经不太符合用于电芯间的防护,因为云母容易掉粉断裂和具有较高的导热系数(0.15-0.3);而气凝胶材料,又因为封装困难和难以应对频繁的压缩循环,无法承受气流冲击等问题,同样难以应用于电芯间的防隔热。因此,以可陶瓷化硅橡胶为代表的新型复合防隔热材料正在获得更多的关注。
发明内容
本发明的目的在于提供一种以无机纤维布为骨架的高温可陶瓷化防火隔热垫,以解决现有新能源锂电池防隔热材性能的不足,以更薄更轻,而且更便宜的结构实现更强的防隔热性能。
为实现上述目的,本申请是通过以下技术方案实现的:
一种以无机纤维布为骨架的高温可陶瓷化防火隔热垫,由依次设置的A至E层组成,其中A层为正面可陶瓷化耐高温涂层,B层为3D编织无机纤维布正面纤维面层,C层为可陶瓷化隔热填充材料层,D层为3D编织无机纤维布背面纤维底层,E层为背面可陶瓷化耐高温涂层。
优选的,B层和D层为同束纤维编织在一起的一个整体。
优选的,A层的厚度为0.1-0.3 mm,B层的厚度为0.2-0.8 mm,C层的厚度为0.5-5.0mm,D层的厚度为0.3-0.8 mm,E层的厚度为0.1-0.3 mm,以上厚度均为在不受压状态下的静态测量数值。
优选的,无机纤维布使用的无机纤维为玻璃纤维、玄武岩纤维可碳纤维中的一种。
优选的,A层和E层均为耐高温可陶瓷化涂层,该耐高温可陶瓷化涂层在被加热超过500-600°C时,受热位置会发生陶瓷化反应,生成琉璃状的准陶瓷化混合物,并且在发生陶瓷化反应时,不产生明显的裂纹和体系变化。
优选的,C层为高温可陶瓷化隔热复合材料,热导率不高于0.1 W/K•m,整体密度小于1.2 g/cm3,在被加热超过500-600°C时,会发生陶瓷化反应,生成琉璃状的准陶瓷化混合物,该高温可陶瓷化隔热复合材料的坯料在100°C以下混炼,混合完成后为带有一定弹性的固体,能够进行挤出和切割操作,坯料在初次被加热到120-150°C时,会软化具有一定的流动性,加入其中的发泡剂会产生5-10%的体系膨胀,在继续被加热到150-200°C时,会发生硫化反应,材料不可逆地发生固化。
一种上述任一项以无机纤维布为骨架的高温可陶瓷化防火隔热垫的制作方法,采用以下步骤:
1)将C层材料的坯料制作成条束状,放置于织机的自动进料器上,作为芯料;
2)同步开始编织B层和D层,并且在B层和D层达到C层条束宽度时,将步骤1)的芯料插入到B层和D层之间,再完成芯层编织;
3)步骤2)的芯层编织完成后继续编织下一个B层和D层;
4)重复步骤2)和步骤3);
5)将编织完成的部分送入烘道,预热至120-150°C,使得芯料膨胀填满B层和D层中间的空隙;
6)物料继续前进,送至两组温度在200°C左右的压辊进行固化;
7)压辊固化后的物料进入冷却风道,冷却至60°C左右;
8)对物料的上下两个表面进行A层和E层的涂覆作业;
9)步骤8)涂覆后的物料通过热风烘道对A层和E层进行硫化固定化处理,即得到目标产品。
本发明的有益效果是:
本技术方案通过使用3D编织无机纤维布为骨架材料,和以硅橡胶、聚氨酯等为基胶的弹性可陶瓷化复合材料。本发明的防火垫,在具有良好的机械强度和常温回弹性的同时,提升了抗剪切强度,可以抵抗新一代电芯喷发时的高强度热射流。
本技术方案通过使用不同的表层材料和芯层材料,在降低成本的同时,提高了在不损失抗高温性能的前提下的保温性能,有利于更好地防止热失控引发的热蔓延。
本技术方案的产品除了用于新能源汽车电芯间和储能系统电芯间的热防护,也可以广泛用于其它热安全领域,比如需要提供一次性超高温防护能力的民用设施和建筑等。
附图说明
图1为本发明的高温可陶瓷化防火隔热垫的制备步骤示意图。
附图标记说明:
1、B层;2、D层;3、芯层;4、芯料。
具体实施方式
以下通过实施例对本发明的技术方案进行详细的说明,以下的实施例仅是示例性的,仅能用来解释和说明本发明的技术方案,而不能解释为是对本发明技术方案的限制。
本技术方案提出一种以3D编织无机纤维布为骨架的高温可陶瓷化防隔热垫。该种防隔热垫以新型的3D编织玻纤布为骨架,在芯层里填充可陶瓷化的轻质隔热复合材料,在面层涂覆可陶瓷化的耐高温涂层。从而获得一种具有200°C以下具有高回弹性和良好机械性能、并可长时间耐受高达1400°C火焰气流不被烧穿、在全温度段具有低热导率的柔性防隔热垫。
本技术方案通过在编织3D纤维布的过程中加入预切割好的条状热塑性高分子复合材料,在编织完成后通过热压处理进行芯层熔合加工,因为上下两个面层的纤维是同束纤维编织在一起的一个整体,因此其抗剥离强度远高于现有的通过热压方式结合的复合结构防隔热材料。
通过使用3D立体纤维结构,使得材料整体即使在热失控条件下,也可以维持非常小的变形量,这就允许在中间层使用更轻、更低热导率和更低成本的隔热材料,从而实现成本降低的同时性能提升。在此基础之上,可以使用更薄的防火隔热垫,使得电池模组的结构设计空间灵活度更大,有助提升电池包的整体能量密度。
生产过程的特征是连续编织与热处理,容易实现自动化,成品一次性收卷,制造成本低,人工耗用少,进一步降低了成本。
具体的,本申请提供一种使用3D编织无机纤维布为骨架的高温可陶瓷化防火隔热垫,自上至下依次设置的A层、B层、C层、D层及E层组成,其中A层和E层均为可陶瓷化耐高温涂层,B层和D层均为3D编织无机纤维布正面纤维面层,C层为可陶瓷化隔热填充材料层,本技术方案中,B层和D层为同束纤维编织在一起的一个整体,因此其抗剥离强度远高于现有的通过热压方式结合的复合结构防隔热材料。在本申请的技术方案中,B层和D层的无机纤维材质为玻璃纤维、玄武岩纤维可碳纤维中的一种,具体选择使用哪种根据实际的需要确定。
在本实施例中,高温可陶瓷化防火隔热垫的各层厚度分别为:A层的厚度为0.1-0.3 mm,B层的厚度为0.2-0.8 mm,C层的厚度为0.5-5.0 mm,D层的厚度为0.3-0.8 mm,E层的厚度为0.1-0.3 mm,以上厚度均为在不受压状态下的静态测量数值。但是应当说明的是,在根据实际的需要情况,也能够生产不在上述厚度范围的隔热垫。
A层和E层均为耐高温可陶瓷化涂层,该耐高温可陶瓷化涂层在被加热超过500-600°C时,受热位置会发生陶瓷化反应,生成琉璃状的准陶瓷化混合物,并且在发生陶瓷化反应时,不产生明显的裂纹和体系变化。
C层为高温可陶瓷化隔热复合材料,热导率不高于0.1 W/K•m,整体密度小于1.2g/cm3,在被加热超过500-600°C时,会发生陶瓷化反应,生成琉璃状的准陶瓷化混合物,该高温可陶瓷化隔热复合材料的坯料在100°C以下混炼,混合完成后为带有一定弹性的固体,能够进行挤出和切割操作,坯料在初次被加热到120-150°C时,会软化具有一定的流动性,加入其中的发泡剂会产生5-10%的体系膨胀,在继续被加热到150-200°C时,会发生硫化反应,材料不可逆地发生固化。
如图1所示,本申请还提供一种上述使用3D编织以无机纤维布为骨架的高温可陶瓷化防火隔热垫的制作方法,采用以下步骤:
1)将C层材料的坯料制作成条束状,放置于织机的自动进料器上,作为芯料4;
2)同步开始编织B层1和D层2,并且在B层和D层达到C层条束宽度时,将步骤1)的芯料4插入到B层1和D层2之间,再完成芯层3编织;
3)步骤2)的芯层编织完成后继续编织下一个B层和D层;
4)重复步骤2)和步骤3);
5)将编织完成的部分送入烘道,预热至120-150°C,使得芯料膨胀填满B层和D层中间的空隙;
6)物料继续前进,送至两组温度在200°C左右的压辊进行固化;
7)压辊固化后的物料进入冷却风道,冷却至60°C左右;
8)对物料的上下两个表面进行A层和E层的涂覆作业;
9)步骤8)涂覆后的物料通过热风烘道对A层和E层进行硫化固定化处理,即得到目标产品。
实施例1
一种以3D编织玻璃纤维布为骨架的高温可陶瓷化防隔热垫,该类型可陶瓷化防隔热垫主要用于高能量密度锂电芯之间,以及高能量密度锂电池模组间的防火隔离。从上到下分含有5层结构,A层是厚度为0.10 mm的可陶瓷化耐高温涂层、B层是厚度为0.35 mm的无碱玻纤编织层、C层是厚度为1.50 mm的可陶瓷化隔热材料填充层、D层是厚度为0.35 mm的无碱纤维编织层、E层是厚度为0.1 mm的可陶瓷化耐高温涂层。
实施例2
一种以3D编织玄武岩纤维布为骨架的高温可陶瓷化防隔热垫,该类型可陶瓷化防隔热垫主要设计用于高能量密度电池包的上盖及四边防护,或者分布式储能系统的箱体防护。从上到下分含有5层结构,A层是厚度为0.30 mm的可陶瓷化耐高温涂层、B层是厚度为0.8 mm的玄武岩纤维编织层、C层是厚度为5.0 mm的可陶瓷化隔热材料填充层、D层是厚度为0.80 mm的玄武岩纤维编织层、E层是厚度为0.30 mm的可陶瓷化耐高温涂层。
实施例3
一种以3D编织碳纤维布为骨架的高温可陶瓷化防隔热垫,该类型可陶瓷化防隔热垫主要用于使用底盘融合或者无模组设计的高能量密度电池系统的整体防护。从上到下分含有5层结构,A层是厚度为0.10 mm的可陶瓷化耐高温涂层、B层是厚度为0.2 mm的碳纤维编织层、C层是厚度为2.0 mm的可陶瓷化隔热材料填充层、D层是厚度为0.10 mm的碳纤维编织层、E层是厚度为0.40 mm的可陶瓷化耐高温涂层。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变形,本发明的范围由所附权利要求及其等同限定。
Claims (7)
1.一种以无机纤维布为骨架的高温可陶瓷化防火隔热垫,其特征在于,由依次设置的A至E层组成,其中A层为正面可陶瓷化耐高温涂层,B层为3D编织无机纤维布正面纤维面层,C层为可陶瓷化隔热填充材料层,D层为3D编织无机纤维布背面纤维底层,E层为背面可陶瓷化耐高温涂层。
2.根据权利要求1所述的以无机纤维布为骨架的高温可陶瓷化防火隔热垫,其特征在于,B层和D层为同束纤维编织在一起的一个整体。
3.根据权利要求1所述的以无机纤维布为骨架的高温可陶瓷化防火隔热垫,其特征在于,A层的厚度为0.1-0.3 mm,B层的厚度为0.2-0.8 mm,C层的厚度为0.5-5.0 mm,D层的厚度为0.3-0.8 mm,E层的厚度为0.1-0.3 mm,以上厚度均为在不受压状态下的静态测量数值。
4.根据权利要求1所述的以无机纤维布为骨架的高温可陶瓷化防火隔热垫,其特征在于,无机纤维布使用的无机纤维为玻璃纤维、玄武岩纤维可碳纤维中的一种。
5.根据权利要求1所述的以无机纤维布为骨架的高温可陶瓷化防火隔热垫,其特征在于,A层和E层均为耐高温可陶瓷化涂层,该耐高温可陶瓷化涂层在被加热超过500-600°C时,受热位置会发生陶瓷化反应,生成琉璃状的准陶瓷化混合物,并且在发生陶瓷化反应时,不产生明显的裂纹和体系变化。
6.根据权利要求1所述的以无机纤维布为骨架的高温可陶瓷化防火隔热垫,其特征在于,C层为高温可陶瓷化隔热复合材料,热导率不高于0.1 W/K•m,整体密度小于1.2 g/cm3,在被加热超过500-600°C时,会发生陶瓷化反应,生成琉璃状的准陶瓷化混合物,该高温可陶瓷化隔热复合材料的坯料在100°C以下混炼,混合完成后为带有弹性的固体,能够进行挤出和切割操作,坯料在初次被加热到120-150°C时,会软化具有流动性,加入其中的发泡剂会产生5-10%的体系膨胀,在继续被加热到150-200°C时,会发生硫化反应,材料不可逆地发生固化。
7.一种上述权利要求1至6中任一项以无机纤维布为骨架的高温可陶瓷化防火隔热垫的制作方法,其特征在于,采用以下步骤:
1)将C层材料的坯料制作成条束状,放置于织机的自动进料器上,作为芯料;
2)同步开始编织B层和D层,并且在B层和D层达到C层条束宽度时,将步骤1)的芯料插入到B层和D层之间,再完成芯层编织;
3)步骤2)的芯层编织完成后继续编织下一个B层和D层;
4)重复步骤2)和步骤3);
5)将编织完成的部分送入烘道,预热至120-150°C,使得芯料膨胀填满B层和D层中间的空隙;
6)物料继续前进,送至两组温度在200°C左右的压辊进行固化;
7)压辊固化后的物料进入冷却风道,冷却至60°C左右;
8)对物料的上下两个表面进行A层和E层的涂覆作业;
9)步骤8)涂覆后的物料通过热风烘道对A层和E层进行硫化固定化处理,即得到目标产品。
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001003916A1 (fr) * | 1999-07-12 | 2001-01-18 | Saint-Gobain Isover | Materiau isolant anti-feu, adapte a l'isolation aeronautique |
CN103101262A (zh) * | 2013-02-19 | 2013-05-15 | 中国人民解放军国防科学技术大学 | 一种耐高温隔热夹层结构复合材料及其制备方法 |
CN105014984A (zh) * | 2015-06-09 | 2015-11-04 | 福建福联精编有限公司 | 三维经编间隔织物抗冲击复合材料及其制备方法与应用 |
CN106589791A (zh) * | 2016-12-16 | 2017-04-26 | 武汉理工大学 | 一种高温可陶瓷化酚醛泡沫复合材料及其制备方法 |
CN112959759A (zh) * | 2021-03-03 | 2021-06-15 | 宁波葆尔新材料有限公司 | 一种用于电池的多层防火材料及其制作方法 |
CN113045300A (zh) * | 2021-03-19 | 2021-06-29 | 中建材飞渡航天科技有限公司 | 一种叠层纤维织物增强复合材料天线罩的制备方法 |
KR102319048B1 (ko) * | 2020-04-21 | 2021-10-29 | 변무원 | 단열 판넬 및 그 제조 방법 |
WO2022155056A1 (en) * | 2021-01-15 | 2022-07-21 | Rogers Corporation | Thermally insulating multilayer sheet, method of manufacture, and articles using the same |
-
2024
- 2024-01-08 CN CN202410020492.4A patent/CN117507515B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001003916A1 (fr) * | 1999-07-12 | 2001-01-18 | Saint-Gobain Isover | Materiau isolant anti-feu, adapte a l'isolation aeronautique |
CN103101262A (zh) * | 2013-02-19 | 2013-05-15 | 中国人民解放军国防科学技术大学 | 一种耐高温隔热夹层结构复合材料及其制备方法 |
CN105014984A (zh) * | 2015-06-09 | 2015-11-04 | 福建福联精编有限公司 | 三维经编间隔织物抗冲击复合材料及其制备方法与应用 |
CN106589791A (zh) * | 2016-12-16 | 2017-04-26 | 武汉理工大学 | 一种高温可陶瓷化酚醛泡沫复合材料及其制备方法 |
KR102319048B1 (ko) * | 2020-04-21 | 2021-10-29 | 변무원 | 단열 판넬 및 그 제조 방법 |
WO2022155056A1 (en) * | 2021-01-15 | 2022-07-21 | Rogers Corporation | Thermally insulating multilayer sheet, method of manufacture, and articles using the same |
CN112959759A (zh) * | 2021-03-03 | 2021-06-15 | 宁波葆尔新材料有限公司 | 一种用于电池的多层防火材料及其制作方法 |
CN113045300A (zh) * | 2021-03-19 | 2021-06-29 | 中建材飞渡航天科技有限公司 | 一种叠层纤维织物增强复合材料天线罩的制备方法 |
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