CN2770106Y - 新型镍氢动力电池 - Google Patents

新型镍氢动力电池 Download PDF

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CN2770106Y
CN2770106Y CNU2005200537662U CN200520053766U CN2770106Y CN 2770106 Y CN2770106 Y CN 2770106Y CN U2005200537662 U CNU2005200537662 U CN U2005200537662U CN 200520053766 U CN200520053766 U CN 200520053766U CN 2770106 Y CN2770106 Y CN 2770106Y
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许自纯
范正刚
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HUNAN GREPOW NEW ENERGY CO., LTD.
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Shenzhen Grepow Battery Co Ltd
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Priority to US11/324,689 priority patent/US20060154142A1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/34—Gastight accumulators
    • H01M10/345—Gastight metal hydride accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H01M4/72—Grids
    • H01M4/74—Meshes or woven material; Expanded metal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/04—Cells with aqueous electrolyte
    • H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
    • H01M6/10—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with wound or folded electrodes
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
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Abstract

一种新型镍氢动力电池，它包括上端带电池帽盖1的金属外壳2和位于外壳2内的正、负极集流盘3、4和由一般正极片10、隔膜纸7和由铜网作基片的负极片11卷绕而成的极组5组成，正极集流盘3的上、下底面分别与电池帽盖1的下底面和极组5的正极6通过焊点8相连接；负极集流盘4的下底面与外壳2的内底面通过多个焊点8相连接；负极集流盘4的上底面通过一层金属泡沫导电体12与极组的负极9相接触，负极9嵌入在金属泡沫导电体12里面。本实用新型具有集流效果好、利于大电流放电、成本低，容量大，体积比功率大及体积比能量大、电池的综合性能好的优点。

Description

新型镍氢动力电池
技术领域
本实用新型涉及一种可反复充电的镍氢电池，尤其是一种镍氢动力电池。
现有技术
电动车以其无废气排放、噪音小、利于环保而受世人欢迎，发展趋势非常可观。给电动车提供能源的镍氢动力电池以其具有综合性能好、能较好地满足电动车高功率启动、工作温度范围宽、可反复充电而无记忆效应以及无镉铅重金属污染的优点，而倍受人们重视。
传统的镍氢电池，其基本结构是：它包括上端带电池帽盖1的金属外壳2和位于外壳2内的正、负极集流盘3、4和由正极片10、隔膜纸7和负极片11卷绕而成的极组5组成。正极集流盘3的上、下底面分别与电池帽盖1的下底面和极组5的正极6通过焊点8相连接；负极集流盘4的上底面与极组5的负极9通过焊点8相连接，负极集流盘4的下底面与外壳2的内底面通过一个焊点8相连接；在与正、负极集流盘3、4相连的正、负极6、9的一端各滚焊有镍片16(见附图1)；它大致上是通过如下工艺制作而成：以泡沫镍作为电池正、负极的基体，分别在其上涂布或压制或烧制相应的活性物质。在每片基体的长边留出一条宽8-10mm经碾压的边缘，其上不覆盖活性物质，而滚焊上一层镍片。卷绕前将正、负极片的镍片边向相反方向放置，用隔膜纸绝缘后卷绕，其镍片边则分别位于极组的两端。用橡皮筋捆扎极组以防松散。在极组两端镍片边端面上各点焊一集流盘。极组负极一端朝里插入外壳。用一支点焊针穿过极组，将负极集流盘通过一个焊点点焊于外壳内底面上。滚槽注液后，将正极集流盘点焊于电池帽盖。封口后即成电池。
这种结构的镍氢动力电池存在其消耗较多价格昂贵的镍材而成本高，并且制作工艺繁琐；负极集流盘与金属外壳只有一个焊点接触，难以耐受大电流；在极组外层上捆扎有橡皮筋，占据一定空间，因而其容量小，体积比功率及体积比能量小的缺陷。
技术方案
本实用新型解决的技术问题是克服上述缺点，提供一种新型镍氢动力电池，它具有集流效果好、利于大电流放电的特点。
该电池还具有容量大，体积比功率及体积比能量大、制造成本低的特点。
本实用新型的技术方案是：设计一种新型镍氢动力电池，它包括上端带电池帽盖的金属外壳和位于外壳内的正、负极集流盘以及由正极片、隔膜纸和负极片卷绕而成的极组组成，正极集流盘的上、下底面分别与电池帽盖的下底面和极组的正极通过焊点相连接；负极集流盘的上底面与极组的负极相接触，其特殊结构在于：将负极集流盘与金属外壳之间原来用一个焊点相接的结构设计成用2个或2个以上的焊点相接的结构。
在极组的负极与负极集流盘之间还有一层金属泡沫导电体，负极嵌入在金属泡沫导电体内。
上述金属泡沫导电体是泡沫镍。
上述负极片结构是以金属网或穿孔金属带为基片，在基片两面有活性物质。金属网为铜网、铜合金网、镍网、镀镍钢网、金属带为铜带、铜合金带、镍带或镀镍钢带。
上述负极集流盘上有1个或1个以上的通孔，通孔周边有毛刺，毛刺与金属泡沫导电体相接触。极组外层上无捆扎线。
由于本实用新型采用了负极集流盘与金属外壳之间有2个或2个以上的焊点和在极组的负极与负极集流盘之间还有一层金属泡沫导电体、以及负极片以金属网或穿孔金属带为基片的结构，因此，本实用新型具有集流效果好、利于大电流放电的优点；由于省去了正、负极两端滚焊镍片和极组外层上的捆扎线或橡筋，这样不仅制作简便、成本低，而且具有容量大、体积比功率及体积比能量大、电池综合性能好的优点。
附图说明
图1：为现有的镍氢动力电池的剖面示意图；
图2：本新型镍氢动力电池的剖面示意图；
图3：本实用新型负极集流盘的结构立体示意图。
图例说明
1、电池帽盖      2、外壳     3、正极集流盘
4、负极集流盘    5、极组     6、正极
7、隔膜纸        8、焊点     9、负极
10、正极片       11、负极片  12、金属泡沫导电体
13、通孔         14、毛刺    15、捆扎线
16、镍片边
实施方式
请参见图2，图2所示为一种新型镍氢动力电池的剖面示意图，从图可以看出，它包括上端带电池帽盖1的外壳2和位于外壳2内的正、负极集流盘3、4，以及由一般正极片10、隔膜纸7和由铜网作基片的负极片11卷绕而成的极组5组成，正极集流盘3的上、下底面分别与电池帽盖1的下底面和极组5的正极6通过焊点8相连接；极组5的负极9嵌入在金属泡沫导电体12内；负极集流盘4的上底面与金属泡沫导电体连接，负极集流盘4的下底面与外壳2的内底面通过数个焊点8相连接。
图3所示的是负极集流盘4的结构示意图，从图可知：负极集流盘4上有若干个圆形通孔13，通孔13圆周有毛刺14。
当然通孔13也可设计成其它几何形状，如方形、棱形、心形、三角形、椭圆形、梅花形等。

Claims (8)

1、一种新型镍氢动力电池，它包括上端带电池帽盖(1)的金属外壳(2)和位于外壳(2)内的正、负极集流盘(3、4)，以及由正极片(10)、隔膜纸(7)和负极片(11)卷绕而成的极组(5)组成，正极集流盘(3)的上、下底面分别与电池帽盖(1)的下底面和极组(5)的正极(6)通过焊点(8)相连接；负极集流盘(4)的下底面与外壳(2)的内底面通过一个焊点(8)相连接；其特征在于：负极集流盘(4)的上底面与极组(5)的负极(9)相接触，负极集流盘(4)与金属外壳(2)之间有2个或2个以上的焊点(8)。
2、根据权利要求1所述的新型镍氢动力电池，其特征在于：在极组(5)的负极(9)与负极集流盘(4)之间还有一层金属泡沫导电体(12)，负极(9)嵌入在金属泡沫导电体(12)内。
3、根据权利要求2所述的新型镍氢动力电池，其特征在于：所述金属泡沫导电体(12)是泡沫镍。
4、根据权利要求1或2所述的新型镍氢动力电池，其特征在于：所述负极片(11)结构是以金属网或穿孔金属带为基片，在基片两面有活性物质。
5、根据权利要求4所述的新型镍氢动力电池，其特征在于：金属网为铜网、铜合金网、镍网或镀镍钢网。
6、根据权利要求4所述的新型镍氢动力电池，其特征在于：金属带为铜带、铜合金带、镍带或镀镍钢带。
7、根据权利要求5或6所述的新型镍氢动力电池，其特征在于：负极集流盘(4)上有1个或1个以上的通孔(13)，通孔(13)周边有毛刺(14)，毛刺(14)与金属泡沫导电体(12)相接触。
8、根据权利要求7所述的新型镍氢动力电池，其特征在于：极组(5)外层上无捆扎线(15)。
CNU2005200537662U 2005-01-11 2005-01-11 新型镍氢动力电池 Expired - Fee Related CN2770106Y (zh)

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CNU2005200537662U CN2770106Y (zh) 2005-01-11 2005-01-11 新型镍氢动力电池
DE202005020470U DE202005020470U1 (de) 2005-01-11 2005-12-30 Neuartiger Ni-MH-Hochleistungsakkumulator
US11/324,689 US20060154142A1 (en) 2005-01-11 2006-01-03 New-type Ni-MH power battery

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101165959B (zh) * 2006-10-20 2010-12-01 湖南科力远新能源股份有限公司 一种高功率充电电池制作工艺
WO2011057482A1 (zh) * 2009-11-13 2011-05-19 泉州劲鑫电子有限公司 动力高容量镍氢电池及其生产工艺
CN102569902A (zh) * 2012-01-11 2012-07-11 林子进 高铅离子能电池
CN103117370A (zh) * 2013-02-27 2013-05-22 浙江吉能电池科技有限公司 锂离子电池点底连接片及锂离子电池的制备方法
CN110148798A (zh) * 2019-03-11 2019-08-20 浙江凯恩电池有限公司 镍氢sc高容量电池及高功率放电平台的制备方法

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US7676405B2 (en) * 2005-06-01 2010-03-09 Google Inc. System and method for media play forecasting
KR100760784B1 (ko) * 2006-07-04 2007-09-20 삼성에스디아이 주식회사 이차 전지용 보호회로모듈 및 이를 이용한 전지 팩
FR3037725B1 (fr) * 2015-06-22 2021-12-31 Commissariat Energie Atomique Procede de realisation d'un faisceau electrochimique d'accumulateur au lithium avec mousse metallique aux extremites de feuillards
FR3131101B1 (fr) * 2021-12-22 2024-01-19 Accumulateurs Fixes Faisceau électrochimique, élément de batterie et procédés de fabrication associés

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US5492543A (en) * 1993-10-08 1996-02-20 Hughes Aircraft Company Preparation of electrodes and Ni/MHx electrochemical storage cell
US6214490B1 (en) * 1998-12-17 2001-04-10 Eveready Battery Company, Inc. Foam collector for electrochemical cells

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101165959B (zh) * 2006-10-20 2010-12-01 湖南科力远新能源股份有限公司 一种高功率充电电池制作工艺
WO2011057482A1 (zh) * 2009-11-13 2011-05-19 泉州劲鑫电子有限公司 动力高容量镍氢电池及其生产工艺
CN102569902A (zh) * 2012-01-11 2012-07-11 林子进 高铅离子能电池
CN103117370A (zh) * 2013-02-27 2013-05-22 浙江吉能电池科技有限公司 锂离子电池点底连接片及锂离子电池的制备方法
CN110148798A (zh) * 2019-03-11 2019-08-20 浙江凯恩电池有限公司 镍氢sc高容量电池及高功率放电平台的制备方法

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