CN203812931U - 一种锂离子电池盖板 - Google Patents
一种锂离子电池盖板 Download PDFInfo
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract 3
- 239000011888 foil Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 210000001503 Joints Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
本实用新型公开了一种锂离子电池盖板，包括导流片、绝缘片、极柱、盖板基片和铆钉，所述铆钉将导流片、极柱和盖板基片铆接为一体，所述绝缘片位于极柱与盖板基片、导流片与盖板基片之间，起到绝缘作用，所述导流片为钥匙状结构。本实用新型通过对导流片的设计，导流片和盖板基片一体化，减少了工时的消耗，提高了生产效率，易实现自动化，同时本实用新型起到固定了导流片的尺寸折向，可防止导流片与锂离子壳体接触造成短路的情况出现。
Description
一种锂离子电池盖板
技术领域
[0001] 本实用新型涉及一种锂离子电池的零部件，具体是涉及一种锂离子电池壳体上的盖板。
背景技术
[0002] 锂离子电池已被广泛应用于MP3、手机、数码相机、电动工具、电动车等移动产品。以圆柱锂离子电池为例，包括壳体、卷芯和盖板。卷芯包括正极片、隔膜、负极片，通过隔膜隔离正极片、负极片卷绕为一体，其中卷芯顶部有正极片箔材伸出部分，底部有负极片箔材伸出部分。卷芯位于壳体内部，由盖板焊接密封形成电池。现有的盖板常常有导流片与壳体接触造成短路情况，同时现有的导流片和盖板，加工消耗时间长。为了克服这一缺陷，现提供一种改进方案。
实用新型内容
[0003] 本实用新型的目的在于提供一种克服现有技术缺陷，提高了生产效率的锂离子电池盖板。
[0004] 本实用新型的目的可以通过以下技术方案实现:
[0005] 一种锂离子电池盖板，包括导流片、绝缘片、极柱、盖板基片和铆钉，所述铆钉将导流片、极柱和盖板基片铆接为一体，所述绝缘片位于极柱与盖板基片、导流片与盖板基片之间，起到绝缘作用，所述导流片为钥匙状结构。
[0006] 所述导流片具有环状端、连接段和圆弧端，连接段两端分别连接环状端与圆弧端。
[0007] 所述导流片圆弧端的直径为盖板直径的4/5。
[0008] 所述导流片的连接段为长方形，连接段的长度为盖板直径的4/5。
[0009] 所述盖板基片上设有注液孔。
[0010] 本实用新型的有益效果:本实用新型通过对导流片的设计，导流片和盖板基片一体化，减少了工时的消耗，提高了生产效率，易实现自动化，同时本实用新型起到固定了导流片的尺寸折向，可防止导流片与锂离子壳体接触造成短路的情况出现。
附图说明
[0011] 图1是本实用新型正视示意图。
[0012] 图2是本实用新型侧视示意图。
[0013] 其中:1、导流片，2、注液孔，3、绝缘片，4、极柱，5、盖板基片，6、铆钉，7、环状端，8、连接段，9、圆弧端。
具体实施方式
[0014] 下面结合附图和具体实施例对本实用新型作进一步详细描述。
[0015] 如图1和图2所示，一种锂离子电池盖板，包括导流片1、绝缘片3、极柱4、盖板基片5和铆钉6，所述铆钉6将导流片1、极柱4和盖板基片5铆接为一体，所述绝缘片3位于极柱4与盖板基片5、导流片I与盖板基片5之间，起到绝缘作用，所述导流片I为钥匙状结构。所述导流片I具有环状端7、连接段8和圆弧端9，连接段8两端分别连接环状端7与圆弧端9。所述导流片I圆弧端9的直径为盖板直径的4/5。所述导流片I的连接段8为长方形，连接段8的长度为盖板直径的4/5。所述盖板基片5上设有注液孔2。所述环状端7铆接在盖板基片5上，圆弧端9用于焊接在锂离子卷芯上。本实用新型通过对导流片I的设计，导流片I和盖板基片5 —体化，减少了工时的消耗，提高了生产效率，易实现自动化，同时本实用新型起到固定了导流片I的尺寸折向，可防止导流片与锂离子壳体接触造成短路的情况出现。
[0016] 以上所述，并非对本实用新型的结构作任何形式上的限制。凡是依据本实用新型的技术实质对以上实施例所作的任何简单修改、等同变化，均仍属于本实用新型的技术方案范围内。
Claims (5)
1.一种锂离子电池盖板，其特征在于，包括导流片(I)、绝缘片(3)、极柱(4)、盖板基片(5)和铆钉(6)，所述铆钉(6)将导流片(I)、极柱⑷和盖板基片(5)铆接为一体，所述绝缘片⑶位于极柱⑷与盖板基片(5)、导流片⑴与盖板基片(5)之间，起到绝缘作用，所述导流片(I)为钥匙状结构。
2.根据权利要求1所述一种锂离子电池盖板，其特征在于，所述导流片(I)具有环状端(7)、连接段(8)和圆弧端(9)，连接段(8)两端分别连接环状端(7)与圆弧端(9)。
3.根据权利要求1所述一种锂离子电池盖板，其特征在于，所述导流片(I)的圆弧端(9)的直径为盖板直径的4/5。
4.根据权利要求1所述一种锂离子电池盖板，其特征在于，所述导流片(I)的连接段(8)为长方形，连接段(8)的长度为盖板直径的4/5。
5.根据权利要求1所述一种锂离子电池盖板，其特征在于，所述盖板基片(5)上设有注液孔⑵。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742527A (zh) * | 2016-03-18 | 2016-07-06 | 国轩新能源（苏州）有限公司 | 一种高能比、长寿命的圆柱锂离子动力电池 |
| CN110600795A (zh) * | 2019-08-13 | 2019-12-20 | 合肥国轩高科动力能源有限公司 | 一种锂离子圆柱电池及其加工方法 |
-
2014
- 2014-04-24 CN CN201420203989.1U patent/CN203812931U/zh active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742527A (zh) * | 2016-03-18 | 2016-07-06 | 国轩新能源（苏州）有限公司 | 一种高能比、长寿命的圆柱锂离子动力电池 |
| CN110600795A (zh) * | 2019-08-13 | 2019-12-20 | 合肥国轩高科动力能源有限公司 | 一种锂离子圆柱电池及其加工方法 |
| CN110600795B (zh) * | 2019-08-13 | 2021-09-10 | 合肥国轩高科动力能源有限公司 | 一种锂离子圆柱电池及其加工方法 |
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