CN104124472B - 一种动力锂电池铝塑膜双面涂布单次复合制备方法 - Google Patents
一种动力锂电池铝塑膜双面涂布单次复合制备方法 Download PDFInfo
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 18
- 239000002985 plastic film Substances 0.000 title claims abstract description 18
- 229920006255 plastic film Polymers 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 6
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 33
- 239000011248 coating agent Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 12
- 239000005030 aluminium foil Substances 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 239000000725 suspension Substances 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- 239000010409 thin film Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 239000010408 film Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 238000005096 rolling process Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000009501 film coating Methods 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 abstract description 3
- 238000007711 solidification Methods 0.000 abstract description 3
- 230000008023 solidification Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Abstract
一种动力锂电池铝塑膜双面涂布单次复合制备方法，它涉及涂布方法技术领域。它的制备方法为：将待涂布的铝箔通过凹版涂布进行第一面上胶，然后通过定量挤出涂布方式进行第二面上胶，双面涂布后的材料进入悬浮式烘箱，进行非接触式干燥，将固化后的胶膜与两面贴合基材进行在线五层复合，一次性实现双面涂布双面压合。它不仅能解决铝塑膜涂布过程中两次涂布两次收卷的繁琐性及高额制造成本的问题，又能解决因两次涂布两次复合单次收卷的产线长、占地大、品质不稳定的弊端，有效的减少操作的繁琐性、节约干燥能源、节约用地空间，同时工艺较为简单，有利于品质的稳定。
Description
技术领域：
本发明涉及涂布方法技术领域，具体涉及一种用于动力锂电池封装铝塑膜之双面涂布单次复合制备方法。
背景技术：
目前涂布产业的双面涂布方法主要采用单面涂布干燥复合收卷后再进行第二面涂布干燥复合收卷；或者采用单面涂布干燥复合后在线继续进行第二面涂布干燥复合的方法进行制备。第一种制备方法较为传统，操作繁琐，产品实现周期较长，且因操作过程复杂，产品良率、制造成本较高；第二制备方法相对第一种有较大改善，产品实现周期较短，操作繁琐性相对较小，但整个机台需要两个涂布单元、两个干燥单元、两个复合单元，产线较长，占地空间较大。此外，因产线过长，薄膜在生产过程中不可避免的易产生跑偏、折皱、材料拉伸等异常。故能采用一种单次双面涂布方法，一方面解决现有两次涂布两次收卷的繁琐性及高额制造成本问题，另一方面能解决两次涂布单次收卷的占地面积大，材料易拉伸折皱等问题已成为涂布行业目前即需解决的问题。
发明内容：
本发明的目的是提供一种动力锂电池铝塑膜双面涂布单次复合制备方法，它不仅能解决铝塑膜涂布过程中两次涂布两次收卷的繁琐性及高额制造成本的问题，又能解决因两次涂布两次复合单次收卷的产线长、占地大、品质不稳定的弊端，有效的减少操作的繁琐性、节约干燥能源、节约用地空间，同时工艺较为简单，有利于品质的稳定。
为了解决背景技术所存在的问题，本发明是采用以下技术方案：它的制备方法为：将待涂布的铝箔通过凹版涂布进行第一面上胶，然后通过定量挤出涂布方式进行第二面上胶，双面涂布后的材料进入悬浮式烘箱，进行非接触式干燥，将固化后的胶膜与两面贴合基材进行在线五层复合，一次性实现双面涂布双面压合。
本发明的具体操作步骤为：
1、第一面涂布：首先将铝塑膜之铝箔发送至凹版涂布机构，实现铝箔的单面上胶。
2、第二面涂布：将上述涂布后的材料通过传动轮，在传动轮和悬浮定位结构之间安装精密挤出型涂布头（slotdie），从而实现反面涂胶功能。
3、双面干燥：双面涂布后的材料进入悬浮式烘箱，进行非接触式干燥。
4、复合成型：干燥后的铝箔半固化膜在复合单元处与铝塑膜的另外两个薄膜材料及进行在线五层复合，复合材料即成品铝塑膜。
本发明不仅能解决铝塑膜涂布过程中两次涂布两次收卷的繁琐性及高额制造成本的问题，又能解决因两次涂布两次复合单次收卷的产线长、占地大、品质不稳定的弊端，有效的减少操作的繁琐性、节约干燥能源、节约用地空间，同时工艺较为简单，有利于品质的稳定。
附图说明：
图1为本发明的结构示意图。
具体实施方式：
参照图1，本具体实施方式采用以下技术方案：它的制备方法为：将待涂布的铝箔通过凹版涂布进行第一面上胶，然后通过定量挤出涂布方式进行第二面上胶，双面涂布后的材料进入悬浮式烘箱，进行非接触式干燥，将固化后的胶膜与两面贴合基材进行在线五层复合，一次性实现双面涂布双面压合。
本具体实施方式的具体操作步骤为：
1、第一面涂布：首先将铝塑膜之铝箔发送至第一凹版涂布机构2、第二凹版涂布机构3，实现铝箔的单面上胶。
2、第二面涂布：将上述涂布后的材料通过传动轮4，在传动轮4和悬浮定位结构6之间安装精密挤出型涂布头（slotdie），从而实现反面涂胶功能。
3、双面干燥：双面涂布后的材料进入悬浮式烘箱，进行非接触式干燥。
4、复合成型：干燥后的铝箔半固化膜在复合单元8处与铝塑膜的第一薄膜材料10及第二薄膜材料13进行在线五层复合，复合材料即成品铝塑膜15。
本具体实施方式不仅能解决铝塑膜涂布过程中两次涂布两次收卷的繁琐性及高额制造成本的问题，又能解决因两次涂布两次复合单次收卷的产线长、占地大、品质不稳定的弊端，有效的减少操作的繁琐性、节约干燥能源、节约用地空间，同时工艺较为简单，有利于品质的稳定。
Claims (1)
1.一种动力锂电池铝塑膜双面涂布单次复合制备方法，其特征在于它的具体操作步骤为：
(1)第一面涂布：首先将铝塑膜之铝箔发送至第一凹版涂布机构（2）、第二凹版涂布机构（3），实现铝箔的单面上胶；
(2)第二面涂布：将上述涂布后的材料通过传动轮（4），在传动轮（4）和悬浮定位结构（6）之间安装精密挤出型涂布头，从而实现反面涂胶功能；
(3)双面干燥：双面涂布后的材料进入悬浮式烘箱，进行非接触式干燥；
(4)复合成型：干燥后的铝箔半固化膜在复合单元（8）处与铝塑膜的第一薄膜材料（10）及第二薄膜材料（13）进行在线五层复合，复合材料即成品铝塑膜（15）。
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| CN1725529A (zh) * | 2004-07-19 | 2006-01-25 | 肇庆市风华锂电池有限公司 | 二次电池成品极片的制备工艺及制备装置 |
| CN102430498A (zh) * | 2010-09-24 | 2012-05-02 | 株式会社东芝 | 双面涂敷装置以及双面涂敷方法 |
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| JPWO2004051680A1 (ja) * | 2002-11-29 | 2006-04-06 | 本田技研工業株式会社 | 電気二重層コンデンサ用の分極性電極及び電気二重層コンデンサ用の分極性電極の製造方法並びに電気二重層コンデンサの製造方法 |
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| CN1725529A (zh) * | 2004-07-19 | 2006-01-25 | 肇庆市风华锂电池有限公司 | 二次电池成品极片的制备工艺及制备装置 |
| CN102430498A (zh) * | 2010-09-24 | 2012-05-02 | 株式会社东芝 | 双面涂敷装置以及双面涂敷方法 |
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