CN2916932Y - 圆柱形锂电池软包装壳 - Google Patents

圆柱形锂电池软包装壳 Download PDF

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CN2916932Y
CN2916932Y CNU2006200563784U CN200620056378U CN2916932Y CN 2916932 Y CN2916932 Y CN 2916932Y CN U2006200563784 U CNU2006200563784 U CN U2006200563784U CN 200620056378 U CN200620056378 U CN 200620056378U CN 2916932 Y CN2916932 Y CN 2916932Y
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cylindrical
battery
aluminum
composite membrane
plastic composite
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曾石华
李利
张翠芬
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FULLRIVER BATTERY Co Ltd PANYU GUANGZHOU
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract

本实用新型圆柱形锂电池软包装壳属于电池领域，特别是涉及一种锂电池的包装壳，圆柱形锂电池软包装壳是由铝塑复合膜组成，在铝塑复合膜上有冲压而成的半圆柱形凹坑，将铝塑复合膜合拢，半圆柱形凹坑相对形成圆柱形电池腔，本实用新型结构简单，加工方便，防爆炸性能好，电池的长度和直径变更灵活，不受限制，适合于电池在安全性要求高的场合使用。

Description

圆柱形锂电池软包装壳
技术领域
本实用新型圆柱形锂电池软包装壳属于电池领域，特别是涉及一种圆柱形锂电池的包装壳。
背景技术
现有的圆柱形锂电池都使用钢外壳或是铝外壳包装，但是这种包装外壳对于锂电池有一些不足之处，防爆的安全性差，金属外壳在提高防破裂能力的同时，也增加了爆炸后的危险；金属外壳比较重，造成电池比能量低；电池的长度和直径变更不灵活，受到限制，影响电池在特殊场合的使用。
实用新型内容
本实用新型的目的在于提供一种电池的安全性高，灵活方便的圆柱形锂电池软包装壳。
本实用新型的目的是通过以下措施来达到的，圆柱形锂电池软包装壳是由铝塑复合膜组成，在铝塑复合膜上有冲压而成的半圆柱形凹坑，半圆柱形凹坑旁边预留有平面或冲压成各种形状的凹坑。将铝塑复合膜对折合拢，半圆柱形凹坑相对形成圆柱形电池腔，用来装圆柱形的锂电池芯；半圆柱形凹坑旁边预留的平面或冲压成各种形状的凹坑形成气袋或气囊，用来装电池化成时产生的气体。使用时将包装壳边缘封闭，带胶极耳从封边引出，化成后再抽真空封口，将气袋或气囊剪掉，将封边弯折贴近电池身，即可用本实用新型制成圆柱形软包装锂电池。
本实用新型在铝塑复合膜上有冲压而成的两个半圆柱形凹坑，将铝塑复合膜合拢，两个半圆柱形凹坑相对形成圆柱形电池腔。
本实用新型结构简单，加工方便，电池的长度和直径变更灵活，不受限制，适合于电池在安全性要求高的场合使用。
附图说明
附图1是本实用新型的结构示意图。
附图2是附图1的A-A剖面图。
附图3是本实用新型的实施例结构示意图。
附图4是本实用新型的结构示意图。
附图5是附图4的B-B剖面图。
附图6是本实用新型的实施例结构示意图。
具体实施方式
下面结合附图对本实用新型作进一步说明。
如附图1、附图2、附图3所示，附图1适合于直径较小的情形，本实用新型圆柱形锂电池软包装壳是由铝塑复合膜1组成，在铝塑复合膜1上冲压半圆柱形凹坑2，半圆柱形凹坑2旁边预留有平面薄膜3，两个半圆柱形凹坑2之间相邻，便于对折，锂电池芯放置在半圆柱形凹坑2内，将铝塑复合膜对折合拢，半圆柱形凹坑2相对形成圆柱形电池腔，用来装圆柱形的锂电池芯；半圆柱形凹坑旁边预留的平面薄膜3形成气袋，用来装电池化成时产生的气体。使用时将包装壳边缘封闭，带胶极耳4从封边引出。
如附图4、附图5、附图6所示，附图4适合于直径较大的情形，本实用新型圆柱形锂电池软包装壳是由铝塑复合膜1组成，在铝塑复合膜1上冲压半圆柱形凹坑2，半圆柱形凹坑2旁边预留有长方形凹坑5，两个半圆柱形凹坑2之间相隔，便于对折，锂电池芯放置在半圆柱形凹坑2内，将铝塑复合膜对折合拢，半圆柱形凹坑2相对形成圆柱形电池腔，用来装圆柱形的锂电池芯；半圆柱形凹坑旁边预留的长方形凹坑5形成气囊，用来装电池化成时产生的气体。使用时将包装壳边缘封闭，带胶极耳4从封边引出。

Claims (4)

1、一种圆柱形锂电池软包装壳，其特征是圆柱形锂电池软包装壳是由铝塑复合膜组成，在铝塑复合膜上有冲压而成的半圆柱形凹坑。
2、根据权利要求1所述的圆柱形锂电池软包装壳，其特征是在铝塑复合膜上有冲压而成的两个半圆柱形凹坑，将铝塑复合膜合拢，两个半圆柱形凹坑相对形成圆柱形电池腔。
3、根据权利要求1所述的圆柱形锂电池软包装壳，其特征是在铝塑复合膜上有冲压而成的两个半圆柱形凹坑，半圆柱形凹坑旁边预留有平面。
4、根据权利要求1所述的圆柱形锂电池软包装壳，其特征是在铝塑复合膜上有冲压而成的两个半圆柱形凹坑，半圆柱形凹坑旁边预留有凹坑。
CNU2006200563784U 2006-03-14 2006-03-14 圆柱形锂电池软包装壳 Ceased CN2916932Y (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102044714B (zh) * 2009-10-10 2013-05-08 广东国光电子有限公司 一种锂离子电池及其制造方法和制造模具
CN105322236A (zh) * 2015-12-07 2016-02-10 西安瑟福能源科技有限公司 一种弧形软包装锂离子电池的制造方法
CN106299169A (zh) * 2016-10-28 2017-01-04 重庆市紫建电子有限公司 一种圆柱聚合物锂离子电池铝塑膜
CN109647971A (zh) * 2018-10-29 2019-04-19 东莞市超业精密设备有限公司 一种锂电池铝膜冲壳成型的方法及其装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102044714B (zh) * 2009-10-10 2013-05-08 广东国光电子有限公司 一种锂离子电池及其制造方法和制造模具
CN105322236A (zh) * 2015-12-07 2016-02-10 西安瑟福能源科技有限公司 一种弧形软包装锂离子电池的制造方法
CN105322236B (zh) * 2015-12-07 2018-01-19 西安瑟福能源科技有限公司 一种弧形软包装锂离子电池的制造方法
CN106299169A (zh) * 2016-10-28 2017-01-04 重庆市紫建电子有限公司 一种圆柱聚合物锂离子电池铝塑膜
CN109647971A (zh) * 2018-10-29 2019-04-19 东莞市超业精密设备有限公司 一种锂电池铝膜冲壳成型的方法及其装置

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