CN114094253A - 具有纳米复合涂层的电池芯模组 - Google Patents
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Abstract
本发明公开一种具有纳米复合涂层的电池芯模组,包括:至少一电池组,所述电池组由多个电池及至少两总线所组成,电池的金属筒身表面上涂有第一纳米涂层,第一纳米涂层由第一高分子防水涂层组成,至少两总线分别装设于多个电池的两极上,并以多个导线将每一电池与总线相连,如此能以将多个电池串并联,总线及与其相接的多个电池向外露出的两极上皆涂布有一第二纳米涂层,第二纳米涂层由第二高分子涂层及第一高分子涂层先后涂布而成;及至少一电路板,电路板借由多个导线与总线相连接,电路板上涂布有第三纳米涂层,第三纳米涂层由第一溶液、第三高分子涂层、第二高分子涂层、第一高分子涂层及一第二溶液先后涂布而成;多个导线于电池、总线及电路板上的焊接处,涂布有第四纳米涂层,第四纳米涂层由第三高分子涂层及第一高分子涂层先后涂布形成。
Description
技术领域
本发明为提供一种电池芯模组,尤其是涉及一种具有纳米复合涂层的电池芯模组。
背景技术
先前的电池模组外部包覆有一外部防水结构,用以防止水渗入电池模组内部。然而,当该防水结构因损坏而失效时,水就能渗入电池模组内部,造成内部电池及电路板短路,进而导致电池组损坏,甚至发生起火或爆炸的风险。
故需要提供一种具有纳米复合涂层的电池芯模组,能让电池模组的内部零件的表面具有绝缘、防水的功效,以提高电池模组的安全性并延长电池组在恶劣的环境下的使用寿命。
发明内容
为实现上述目的,本发明公开一种具有纳米复合涂层的电池芯模组,其中:包括至少一电池组,包括有多个电池及至少两总线,所述电池的金属筒身上涂有第一纳米涂层,所述第一纳米涂层由第一高分子防水涂层组成,至少两所述总线分别装设于多个述电池的两极上,并以多个导线将每一电池与所述总线相连,如此能以将多个所述电池串联,当具有多个所述电池组时,每一所述总线之间连接有所述导线,如此将每一所述电池组并联,所述总线及与其相接的多个所述电池的向外露出的两极上皆涂布有一第二纳米涂层,所述第二纳米涂层由第二高分子涂层及所述第一高分子涂层先后涂布而成;及至少一电路板,所述电路板借由多个所述导线与所述总线相连接,所述电路板上涂布有第三纳米涂层,第三纳米涂层由第一溶液、第三高分子涂层、所述第二高分子涂层、所述第一高分子涂层及一第二溶液先后涂布而成;多个所述导线于所述电池、所述总线及所述电路板上的焊接处,涂布有第四纳米涂层,所述第四纳米涂层由所述第三高分子涂层及所述第一高分子涂层先后涂布形成。
作为进一步的改进,所述第一高分子防水涂层由聚氨酯(PU)树脂、醇酸树脂、稀释剂及二氧化钛(TiO2)混合组成。
作为进一步的改进,所述第一高分子防水涂层中的所述聚氨酯树脂其含量介于约18.3wt%至约28.3wt%之间,所述醇酸树脂其含量介于约57.2wt%至约67.2wt%之间,所述稀释剂其含量介于约9.2wt%至约19.2wt%之间,所述二氧化钛的粒径为5nm至100nm之间,其含量介于约1.3wt%至约2.3wt%之间。
作为进一步的改进,所述第二高分子涂层由聚氨酯(PU)树脂、稀释剂及二氧化钛混合组成。
作为进一步的改进,所述第二高分子涂层中的所述聚氨酯树脂其含量介于约73.5wt%至约83.5wt%之间,所述稀释剂其含量介于约14.5wt%至约25.5wt%之间,所述二氧化钛的粒径为5nm至100nm之间,其含量介于约1.0wt%至约2.0wt%之间。
作为进一步的改进,所述第三高分子涂层包括有聚氨酯树脂及二氧化硅混合而成。
作为进一步的改进,所述第三高分子涂层中的所述聚氨酯树脂其含量介于约84.0wt%至约94.0wt%之间,所述二氧化硅的粒径为0.1nm至10nm之间,其含量介于约1.0wt%至约2.0wt%之间。
作为进一步的改进,在所述电路板之元件上的尖端、边角处或其他较薄的部位,在所述第一容液涂布后,所述第二高分子涂层涂布之前,还涂布有一第三高分子涂层。
如上所述,本发明具有纳米复合涂层的电池芯模组中的电池组、电路板及导线焊接处,借由涂布上纳米复合涂层,使得其具有绝缘、防水及耐腐蚀的效果。
附图说明
图1为应用本发明具有纳米复合涂层的电池芯模组的立体图。
图2为本发明具有纳米复合涂层的电池芯模组中电池及其涂层的示意图。
图3为本发明具有纳米复合涂层的电池芯模组中电路板及其涂层的示意图。
图4为本发明具有纳米复合涂层的电池芯模组中以导线焊接于电池及总线上及其涂层的示意图。
图5为本发明具有纳米复合涂层的电池芯模组的组装方法流程图。
具体实施方式
请参阅图1,本发明具有纳米复合涂层的电池芯模组100包括有至少一电池组1、至少一电路板2及复数导线3。
请参阅图1及图2,电池组1包括有多个电池11及至少两总线12,电池11的金属筒身101表面上涂有第一纳米涂层111。第一纳米涂层111由第一高分子防水涂层41组成,第一高分子防水涂层41由聚氨酯(PU)树脂、醇酸树脂、稀释剂及二氧化钛(TiO2)混合组成。其具有绝缘、防水及耐腐蚀等特性。其绝缘的特性,能在多个电池11相互排列的情况下,避免多个电池11的金属筒身101因着相互接触导致电池11断路,进而造成电池组1损坏。
具体地,第一高分子防水涂层41中的聚氨酯树脂其含量介于约18.3wt%至约28.3wt%之间。醇酸树脂其含量介于约57.2wt%至约67.2wt%之间。稀释剂其含量介于约9.2wt%至约19.2wt%之间。二氧化钛的粒径为5nm至100nm之间,其含量介于约1.3wt%至约2.3wt%之间。
至少两总线12分别装设于于多个电池11两极102的上方,并以多个导线3将每一电池11与总线12相连,如此能以将多个电池11串联。当具有多个电池组1时,每一总线12之间连接有导线3,如此将每一电池组1并联。总线12及与其相接的多个电池11的向外露出的两极102上皆涂布有一第二纳米涂层121,第二纳米涂层121由第二高分子涂层42及第一高分子涂层41先后涂布而成。第二高分子涂层42由聚氨酯(PU)树脂、稀释剂及二氧化钛混合组成。其具有绝缘、防水及耐腐蚀等特性。第二纳米涂层121能使总线12的外表面及与其相接的多个电池11的向外露出的两极102上具有绝缘、防水及耐腐蚀的效果。
具体地,第二高分子涂层42中的聚氨酯树脂其含量介于约73.5wt%至约83.5wt%之间。稀释剂其含量介于约14.5wt%至约25.5wt%之间。二氧化钛的粒径为5nm至100nm之间,其含量介于约1.0wt%至约2.0wt%之间。
当电池组1浸到水中时,涂布于多个电池11金属筒身101的第一纳米涂层111和涂布于总线12的外表面及与其相接的多个电池11之向外露出的两极102上的第二纳米涂层121,皆具有防水的功效,故电池组1在水中也能正常使用。第一纳米涂层111及第二纳米涂层121也具有耐腐蚀的效果,若是电池组1中有电池11产生破损状况,其中具有腐蚀性的电池液会向外漏出而沾附到周围的电池11上,此时该第一纳米涂层111及第二纳米涂层121的耐腐蚀特性,能使得周围的电池11较不易被电池液腐蚀,如此能保护周围的电池11不容易腐蚀而避免造成其他电池11产生更多的损坏。
进一步地,第一高分子涂层41及第二高分子涂层42的特性相当,而第一高分子涂层41的流动性较第二高分子涂层42大。故第二高分子涂层42的黏度较第一高分子涂层41大。当第二纳米涂层121在涂布时,是先将第二高分子涂层42先进行涂布,以在电池11金属筒身101的表面上附着。因着材料的特性,涂布完成的第二高分子涂层42的边缘/或表面会具有多个微小孔洞、缝隙与其他结构。此时再将第一高分子涂层41涂布在第二高分子涂层42上,第一高分子涂层41具有较好的流动性,并能与第二高分子涂层42互相渗透,且第一高分子涂层41及第二高分子涂层42可能不会形成两分离层。如此使得第二纳米涂层121能完整地沾粘并包覆住所涂布的地方。
请参阅图3,电路板2借由多个导线3与总线12相连接。电路板2上涂布有第三纳米涂层。第三纳米涂层由第一溶液、第三高分子涂层43、第二高分子涂层42、第一高分子涂层41及一第二溶液先后涂布而成。第一溶液包括粒径介于5nm至100nm之间的金属氧化物纳米粒子,而第二溶液则包括粒径介于0.1nm至10nm之间的二氧化硅(SiO2)纳米粒子。第一溶液中的金属氧化物纳米粒子分散于纯水中,其含量介于约0.4wt%至约0.8wt%之间。第二溶液中的二氧化硅纳米粒子系分散于异丙醇(约98.5至99.5wt%)中,其含量介于约0.5wt%至约1.5wt%之间。
在电路板2的元件上的尖端、边角处或其他较薄的部位201,由于接触面积较小,第一高分子涂层41及第二高分子涂层42难以附着于其上,此时会先以点涂的方式涂布上第三高分子涂层43,该第三高分子涂层43包括有聚氨酯树脂及二氧化硅纳米粒子混合而成。第三高分子涂层43与第一高分子涂层41及第二高分子涂层42相比,具有相同的绝缘、防水及耐腐蚀的特性,而第三高分子涂层43的黏度又比第二高分子涂层42强。当第一溶液涂布上电路板2后,在电路板2的元件上的尖端、边角处或其他较薄的部位201,会先将黏度较强的第三高分子涂层43涂布于其上,之后再进行第二高分子涂层42、第一高分子涂层41及一第二溶液的先后涂布作业。
具体地,在第三高分子涂层43中的聚氨酯树脂其含量介于约84.0wt%至约94.0wt%之间。二氧化硅的粒径为0.1nm至10nm之间,其含量介于约1.0wt%至约2.0wt%之间。
请参阅图4,多个导线3用以焊接于电池11、总线12及电路板2上,以使得电池组1能与电路板2相连接。导线3于电池11、总线12及电路板2上的焊接处,涂布有第四纳米涂层31。第四纳米涂层31由第三高分子涂层43及第一高分子涂层41先后涂布形成。第四纳米涂层31具有绝缘、防水及耐腐蚀的特性。
请参阅图5,本发明具有纳米复合涂层的电池芯模组100是依照以下步骤进行图层涂布及装配:步骤S501:在每一电池11的金属筒身101上涂布第一纳米涂层,此步骤为涂布第一高分子涂层41。步骤S502:将多个电池11排列组成为至少一电池组1。步骤S503:将总线12装设在每一电池组1中多个电池11的两极102上,此时总线12并未与电池11的两极接触。步骤S504:将多个导线3焊接于多个电池11及总线12上。此为利用超音波焊线机,将复数导线3焊接在多个电池11及总线12上,如此将电池组1中的所有电池11串联。同时,当具有复数电池组1时,总线12之间也以导线3相连接,如此将多个总线并联。步骤S505:将电池组1上下两侧涂布第二纳米涂层121。此步骤为将总线12及与其相接的多个电池11之向外露出的两极102上皆涂布有一第二纳米涂层121。
在进行步骤S501时,同时进行步骤S601:测试电路板2。此步骤为确认电路板2上各元件的运作状况是否正常。若是运作状况正常则进行下个步骤。步骤S602:在电路板2上涂布第三纳米涂层21。
在步骤S504及步骤S602完成后,则进行步骤S701:将电路板2与电池组11的总线以导线相连接。如此以导线3将电池组11及电路板2连通,使得电池组11中的电力能过电路板2,以供电路板2使用。步骤S702:充电、放电测试。此步骤为测试电池组11的充电及放电功能是否正常。步骤S703:焊接处涂布第四纳米涂层31。此步骤为在导线于总线12及电路板2上的焊接处涂布第四纳米涂层31。如此完成本发明具有纳米复合涂层的电池芯模组100。
承上所述,本发明具有纳米复合涂层的电池芯模组100中的电池组1、电路板2及导线3焊接处,借由涂布上纳米复合涂层,使得其具有绝缘、防水及耐腐蚀的效果。
Claims (8)
1.一种具有纳米复合涂层的电池芯模组,其特征在于:包括至少一电池组,包括有多个电池及至少两总线,所述电池的金属筒身上上涂有第一纳米涂层,所述第一纳米涂层由第一高分子防水涂层组成,至少两所述总线分别装设于多个所述电池的两极上,并以多个导线将每一电池与所述总线相连,如此能以将多个所述电池串联,当具有多个所述电池组时,每一所述总线之间连接有所述导线,如此将每一所述电池组并联,所述总线及与其相接的多个所述电池的向外露出的两极上皆涂布有一第二纳米涂层,所述第二纳米涂层由第二高分子涂层及所述第一高分子涂层先后涂布而成;及至少一电路板,所述电路板借由多个所述导线与所述总线相连接,所述电路板上涂布有第三纳米涂层,第三纳米涂层由第一溶液、第三高分子涂层、所述第二高分子涂层、所述第一高分子涂层及一第二溶液先后涂布而成;多个所述导线于所述电池、所述总线及所述电路板上的焊接处,涂布有第四纳米涂层,所述第四纳米涂层由所述第三高分子涂层及所述第一高分子涂层先后涂布形成。
2.如权利要求1所述的具有纳米复合涂层的电池芯模组,其特征在于:所述第一高分子防水涂层由聚氨酯(PU)树脂、醇酸树脂、稀释剂及二氧化钛(TiO2)混合组成。
3.如权利要求2所述的具有纳米复合涂层的电池芯模组,其特征在于:所述第一高分子防水涂层中的所述聚氨酯树脂其含量介于约18.3wt%至约28.3wt%之间,所述醇酸树脂其含量介于约57.2wt%至约67.2wt%之间,所述稀释剂其含量介于约9.2wt%至约19.2wt%之间,所述二氧化钛的粒径为5nm至100nm之间,其含量介于约1.3wt%至约2.3wt%之间。
4.如权利要求1所述的具有纳米复合涂层的电池芯模组,其特征在于:所述第二高分子涂层由聚氨酯(PU)树脂、稀释剂及二氧化钛混合组成。
5.如权利要求4所述的具有纳米复合涂层的电池芯模组,其特征在于:所述第二高分子涂层中的所述聚氨酯树脂其含量介于约73.5wt%至约83.5wt%之间,所述稀释剂其含量介于约14.5wt%至约25.5wt%之间,所述二氧化钛的粒径为5nm至100nm之间,其含量介于约1.0wt%至约2.0wt%之间。
6.如权利要求1所述的具有纳米复合涂层的电池芯模组,其特征在于:所述第三高分子涂层包括有聚氨酯树脂及二氧化硅混合而成。
7.如权利要求6所述的具有纳米复合涂层的电池芯模组,其特征在于:所述第三高分子涂层中的所述聚氨酯树脂其含量介于约84.0wt%至约94.0wt%之间,所述二氧化硅的粒径为0.1nm至10nm之间,其含量介于约1.0wt%至约2.0wt%之间。
8.如权利要求1所述的具有纳米复合涂层的电池芯模组,其特征在于:在所述电路板之元件上的尖端、边角处或其他较薄的部位,在所述第一容液涂布后,所述第二高分子涂层涂布之前,还涂布有一第三高分子涂层。
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