CN101248547A - 电极及形成电极的方法 - Google Patents

电极及形成电极的方法 Download PDF

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CN101248547A
CN101248547A CNA2006800282181A CN200680028218A CN101248547A CN 101248547 A CN101248547 A CN 101248547A CN A2006800282181 A CNA2006800282181 A CN A2006800282181A CN 200680028218 A CN200680028218 A CN 200680028218A CN 101248547 A CN101248547 A CN 101248547A
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约翰·托马斯·特纳
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    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D25/00—Special casting characterised by the nature of the product
    • B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
    • B22D25/04—Casting metal electric battery plates or the like
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/68—Selection of materials for use in lead-acid accumulators
    • H01M4/685—Lead alloys
    • 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
    • H01M4/82—Multi-step processes for manufacturing carriers for lead-acid accumulators
    • H01M4/84—Multi-step processes for manufacturing carriers for lead-acid accumulators involving casting
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E60/10—Energy storage using batteries
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    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y10T29/49991—Combined with rolling
    • 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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    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10T428/12389—All metal or with adjacent metals having variation in thickness
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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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Abstract

形成电极的方法包括将熔融金属浇注到模具中，以形成带有头部和极板部的电极。然后，铸造好电极之后轧制电极的极板部。极板部可以轧制成至少两个不同的厚度。在一个实施例中，金属是铅或铅合金，并且该方法涉及铅或铅合金阳极的形成。

Description

电极及形成电极的方法
技术领域
本发明涉及一种电极及形成电极的方法，一般为铅合金阳极。
背景技术
以前，电极由金属铸造，并且为了刚性和耐腐蚀性的要求必须形成为具有较厚的极板(blade)，因为铸造金属例如铸造铅一般比轧制金属腐蚀更快。
后来的发展实现了通过铸造电极的头部并轧制极板，然后将极板焊接到头部来制造电极。
然而，这种电极相对难于制造。
本发明试图解决这一问题。
发明内容
根据本发明的一个实施例，形成电极的方法包括：
将熔融金属浇注到模具中，以形成带有头部和极板部的电极；以及
在电极铸造好之后轧制电极的极板部。
该方法可以包括将极板部轧制成至少两个不同的厚度。
该方法还可以包括将熔融金属浇注到模具中之前将第二金属插入到模具中。
第二金属可以是铜。
在一个方面，金属为铅或铅合金且方法涉及形成铅或铅合金阳极。
本发明还提供一种电极，包括：
铸造的头部；以及
与头部整体形成的轧制极板部。
极板部具有至少两个不同的厚度。
电极可以包括随电极一起铸造的第二金属。
第二金属可以是铜。
在一个实施例中，电极用铅或铅合金形成，而且是铅或铅合金阳极。
附图说明
图1示出根据一个方面制造电极的实例设备。
图2示出用图1所示设备形成的电极的示意图。
图3示出铸造之后但在轧制之前的电极的示意图。
具体实施方式
参考铅合金阳极的形成来描述一个实施例，但是可以理解该方法可以用于其它金属或金属合金电极，例如铝阴极的形成，这仅仅是一个例子。
参照附图，将金属或金属合金传递至坩埚10中。
根据合金的不同，将坩埚加热至温度范围例如300℃到600℃之间，并使合金熔融。
第二金属例如铜棒，例如，被放置在模具12中。铜被广泛使用并且是优选的金属。由要形成的阳极的重量和尺寸来确定铜吊挂棒的长度、形状和厚度。
在重力作用下，熔融铅合金由坩埚通过连接管14传递至模具12的底部，并且上升并覆盖铜棒。
由于熔融铅合金是从模具底部重力给料的，这帮助除去浮在材料金属上的气泡和杂质。
一旦金属充分冷却，如果需要，将其置于冷却罐16中。
在某些合金不需要冷却的情况下，将不使用冷却罐16。
使用高架行车梁和钩式装置18将金属从模具12移至冷却罐16。
因此，完成了在模具中铸造金属或金属合金的第一步，现在将金属移至水平模形式的模具20中。
阳极铸造之后但在其轧制之前，其形状如图3所示，极板32的厚度为“A”。
该模具一般包括导辊22和具有飞轮加压驱动器26的压辊24。当铸造金属通过水平辊时，铸造金属被轧制并且铸造金属的形状改变。
如果需要，可以轧制和横轧电极，以在分子中均匀延展。
轧制之后极板32的宽度如图2所示，具有比图3中厚度“A”薄的厚度“B”和“C”。
通过需要的最终厚度来决定轧制之前铸件的厚度，根据使用的合金，轧制之前铸件的厚度一般需要被压缩大约30％到大约70％。在所示实施例中，这个值达大约3mm。
无论如何，压辊24开始时一般在更敞开的位置，以允许带有铜嵌件的电极部分向着地坑28的方向通过。
一旦该铜部分通过而到达预定位置，压辊开始闭合以压缩铜部分后面的金属或金属合金部分。
以这种方式，铜头部杆30和极板32整体地形成，而不需要头部与极板之间的焊接。
由于头部不浸在溶液中从而不受腐蚀，因此一般根本就不轧制头部。
然后，修整电极以备发货。
可以理解，在电极在液面附近腐蚀速度较快的情况下，电极从头部到液面下大约30mm可以轧制得较厚，而极板的剩余部分可以按照需要轧制。这个实例可以参见图2。
因此，电极将具有三个不同的厚度。这些不同厚度的一个实例在附图中示出。
无论如何，该方法适用于任何金属或金属合金电极，并使轧制金属或金属合金具有所需的导电率和机械强度，但制造过程比以前的设计更简单和更少成本。
另外，该方法允许现有的铅阳极重新铸造和轧制以提供改善的结构。

Claims (12)

1、一种形成电极的方法，该方法包括：
将熔融金属浇注到模具中，以形成带有头部和极板部的电极；以及
铸造好电极之后轧制电极的极板部。
2、根据权利要求1的方法，包括把极板部轧制成至少两个不同的厚度。
3、根据权利要求1或2的方法，包括在将熔融金属浇注到模具中之前将第二金属插入到模具中。
4、根据权利要求3的方法，其中第二金属是铜。
5、根据前述任一权利要求的方法，其中金属是铅或铅合金。
6、根据权利要求5的方法，其中该方法涉及铅或铅合金阳极的形成。
7、一种电极，包括：
铸造的头部；以及
与头部整体形成的轧制极板部。
8、根据权利要求7的电极，其中极板部具有至少两个不同的厚度。
9、根据权利要求7或8的电极，包括与电极一起铸造的第二金属。
10、根据权利要求9的电极，其中第二金属是铜。
11、根据权利要求7到10中任一项所述的电极，其中电极由铅或铅合金形成。
12、根据权利要求11的电极，其中电极是铅或铅合金阳极。
CN2006800282181A 2005-08-01 2006-07-28 电极及形成电极的方法 Expired - Fee Related CN101248547B (zh)

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Publication number Priority date Publication date Assignee Title
CN102354738A (zh) * 2011-11-11 2012-02-15 东莞市鸿宝锂电科技有限公司 极片成型方法及其成型模具
CN102354738B (zh) * 2011-11-11 2014-07-30 东莞市鸿宝锂电科技有限公司 极片成型方法及其成型模具
CN103962530A (zh) * 2014-05-27 2014-08-06 衡阳瑞达电源有限公司 一种集中供铅浇铸蓄电池电极的方法及装置
CN103962530B (zh) * 2014-05-27 2015-07-08 衡阳瑞达电源有限公司 一种集中供铅浇铸蓄电池电极的装置
CN107096907A (zh) * 2017-04-28 2017-08-29 天能电池(芜湖)有限公司 蓄电池极板铸造音频加热供铅装置

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AP2007004062A0 (en) 2007-08-31
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JP5337485B2 (ja) 2013-11-06
AU2006274701A1 (en) 2007-02-08
EP1925048B1 (en) 2009-01-07
WO2007015131A3 (en) 2007-04-19
ZA200704985B (en) 2008-03-26
JP2009503796A (ja) 2009-01-29
JP5493025B2 (ja) 2014-05-14
CA2617643C (en) 2012-11-13
JP2013154404A (ja) 2013-08-15
RU2008107610A (ru) 2009-09-10
US9579755B2 (en) 2017-02-28
ES2321981T3 (es) 2009-06-15
ATE420466T1 (de) 2009-01-15
WO2007015131A2 (en) 2007-02-08
CA2617643A1 (en) 2007-02-08
RU2394310C2 (ru) 2010-07-10
US8431237B2 (en) 2013-04-30
AP1887A (en) 2008-09-19
US20130212866A1 (en) 2013-08-22
EP1925048A2 (en) 2008-05-28
HK1120659A1 (en) 2009-04-03
DE602006004765D1 (de) 2009-02-26

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