CN107768672A - 铅酸电池正极板结构 - Google Patents

铅酸电池正极板结构 Download PDF

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CN107768672A
CN107768672A CN201610671322.8A CN201610671322A CN107768672A CN 107768672 A CN107768672 A CN 107768672A CN 201610671322 A CN201610671322 A CN 201610671322A CN 107768672 A CN107768672 A CN 107768672A
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lead
positive
meltallizing
aluminium sheet
plate structure
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张有谅
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Chongqing Qingdi Precision Electronics Co., Ltd
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Wang Shangding
Shenzhen Shining Superconductor Precision Technology Co Ltd
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    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/14Electrodes for lead-acid accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/56Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead
    • H01M4/57Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead of "grey lead", i.e. powders containing lead and lead oxide
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • H01M4/64Carriers or collectors
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    • H01M4/661Metal or alloys, e.g. alloy coatings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/64Carriers or collectors
    • H01M4/66Selection of materials
    • H01M4/665Composites
    • H01M4/667Composites in the form of layers, e.g. coatings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/64Carriers or collectors
    • H01M4/66Selection of materials
    • H01M4/68Selection of materials for use in lead-acid accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/64Carriers or collectors
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/64Carriers or collectors
    • H01M4/70Carriers or collectors characterised by shape or form
    • H01M4/72Grids
    • H01M4/73Grids for lead-acid accumulators, e.g. frame plates
    • YGENERAL 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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    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E60/10Energy storage using batteries

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Abstract

一种铅酸电池正极板结构,包括有正极铝板栅、铅熔射喷覆层及正活性材料固化体,正极铝板栅在边框内侧设有多数纵横交错相连的栅条,各栅条之间分别隔成相对栅孔,在边框及各栅条各侧面全部设为粗糙表面;铅熔射喷覆层包覆固着在正极铝板栅的边框及各栅条全部的粗糙表面上;正活性材料固化体包覆固着在正极铝板栅全部的铅熔射喷覆层表面上,并且正活性材料固化体填满封闭于各栅孔,以形成正极板结构。从而本发明的正极铝板栅可在常温状态下确实键合铅熔射喷覆层,并且再包覆结合正活性材料固化体,进而能够取代现有的正极铅板栅,以减少铅使用量与环境污染,并且减轻重量,达到轻量化效果。

Description

铅酸电池正极板结构
技术领域
本发明有关于一种正极板,尤指一种专供铅酸电池使用的正极板结构。
背景技术
一般的浸液式铅酸电池主要包含正及负极板与电解液,而正及负电极栅主要以铅材制成,并且可使用锑含量4.2%的铅锑合金,或含钙0.8%的铅钙合金材料。
在浸液式铅酸电池中,正及负活性材料浆料分别涂覆在正及负电极栅上,再进行烘干固化制成正及负极板,正及负活性材料浆料一般包括氧化铅(PbO或氧化铅(II)),而电解液典型地包含酸性水溶液,最常见则为硫酸。当铅酸电池装配后,铅酸电池进行成形步骤,其中施用一电荷至电池以转换正极板的氧化铅成为二氧化铅(PbO2或氧化铅(IV)),以及负极板的氧化铅成为铅,使电池可反复地在操作中放电及充电。在电池放电期间,正及负活性材料与电解液的硫酸反应形成硫酸铅(II)(PbSO4),通过硫酸与正及负活性材料的反应,消耗部分的电解液硫酸。而当铅酸电池在充电时,硫酸即重回至电解液。
现有的铅酸电池所使用的正电极栅采用铅粉进行铸造成型,因此现有的正电极栅无法减少铅使用量,而铅质的正电极栅容易造成环境污染,并且铅质的正电极栅的重量较重,不符合轻量化要求。因此要如何解决上述问题,即为此行业相关业者所亟欲研究的课题所在。
发明内容
本发明的主要目的在于,铅酸电池的正极板可使用正极铝板栅,利用正极铝板栅在常温状态下确实键合铅熔射喷覆层,并且再包覆结合正活性材料固化体,而能够取代现有的正极铅板栅,以减少铅使用量与环境污染,并且减轻重量,达到轻量化效果。
为达上述目的,本发明的铅酸电池正极板结构,包括有一正极铝板栅,该正极铝板栅具有一边框,以及于边框内侧设有多数纵横交错相连的栅条,各栅条之间分别隔成相对栅孔,在边框外侧设有一正极连接片,且边框及各栅条各侧面全部设为粗糙表面;一铅熔射喷覆层,该铅熔射喷覆层包覆固着在正极铝板栅的边框及各栅条全部的粗糙表面上;一正活性材料固化体,该正活性材料固化体包覆固着在正极铝板栅全部的铅熔射喷覆层表面上,并且正活性材料固化体填满封闭于各栅孔,以形成正极板结构。
前述的铅酸电池正极板结构,其中该铅熔射喷覆层附着于该粗糙表面的附着力为99.8kgf/cm2~150kgf/cm2
前述的铅酸电池正极板结构,其中该铅熔射喷覆层的孔隙率为1~5%。
前述的铅酸电池正极板结构,其中该铅熔射喷覆层为铅粒子喷覆层、铅锡合金粒子喷覆层及氧化铅粒子喷覆层其中的一者。
前述的铅酸电池正极板结构,其中该铅熔射喷覆层附着于该粗糙表面上是通过一常温气压熔射法实现的。
前述的铅酸电池正极板结构,其中该正极铝板栅的正极连接片各侧面全部设为粗糙表面,以及在正极连接片全部粗糙表面上包覆固着有铅熔射喷覆层。
前述的铅酸电池正极板结构,其中该正活性材料固化体为铅膏固化体。
附图说明
图1:本发明的铅酸电池正极板所使用正极铝板栅的立体外观图;
图2:本发明的铅酸电池正极板所使用正极铝板栅的前视图;
图3:图2的正极铝板栅沿A~A剖线的剖面图;
图4:本发明的正极铝板栅形成粗糙表面的立体外观图;
图5:本发明的正极铝板栅包覆固着有铅熔射喷覆层的剖面图;
图6:本发明的铅酸电池正极板的立体外观图;
图7:图6的铅酸电池正极板的剖面图。
符号说明
1、正极铝板栅
11、边框
12、栅条
13、栅孔
14、正极连接片
15、粗糙表面
2、铅熔射喷覆层
3、正活性材料固化体。
具体实施方式
请参阅图1至图7所示,由图中可清楚看出,本发明的铅酸电池正极板结构之中,包括有一正极铝板栅1、一铅熔射喷覆层2及一正活性材料固化体3所构成,其中:
该正极铝板栅1具有一矩形的边框11(参阅图1至图4),以及在边框11内侧设有多数纵横交错相连的栅条12,各栅条12之间分别隔成相对栅孔13,在边框11外侧设有一正极连接片14,且边框11、各栅条12及正极连接片14的各侧面全部设为粗糙表面15(参阅图4)。
该铅熔射喷覆层2为铅粒子喷覆层、铅锡合金粒子喷覆层及氧化铅粒子喷覆层其中的一者(图5),将铅熔射喷覆层2包覆固着于正极铝板栅1的边框11、各栅条12及正极连接片14全部的粗糙表面15上(参阅图4及图5)。
该正活性材料固化体3(参阅图6及图7)采用铅膏涂布包覆于正极铝板栅1上,再经由烘干成铅膏固化体,使正活性材料固化体3完全包覆固着在正极铝板栅1的边框11及各栅条12全部的铅熔射喷覆层2表面上(参阅图5至图7),并且正活性材料固化体3填满封闭于各栅孔13,以形成铅酸电池的正极板结构。
本发明利用常温气压熔射法,将铅熔射喷覆层2附着在正极铝板栅1的粗糙表面15上,而常温气压熔射法所使用的喷涂气压为3~12巴(Bars);使用的熔射机器能依据不同的导电性材料而调整熔融温度,熔射机器使用的电压为20~50V,使用的电流为185~295安培,以利用电弧方式熔融金属,再利用加压气体吹送形成金属粒子(铅粒子或铅锡合金粒子),使金属粒子喷覆固着于粗糙表面15形成铅熔射喷覆层2,并且金属粒子温度瞬间降低为常温,也就是约摄氏24~40度。
本发明的铅熔射喷覆层2附着于该粗糙表面15上的附着力为99.8kgf/cm2~150kgf/cm2,并且铅熔射喷覆层2的孔隙率为1~5%,以提高键合力及细致度,使金属粒子更能够固结正活性材料固化体3。从而本发明的正极铝板栅1可在常温状态下确实键合铅熔射喷覆层2,并且再包覆结合正活性材料固化体3,而能够取代现有的正极铅板栅,以减少铅使用量与环境污染,并且减轻重量,达到轻量化效果。
以上所举实施例仅用为方便说明本发明,而并非加以限制,在不离本发明精神范畴,本领域技术人员所可作的各种简易变化与修饰,均仍应含括于本申请权利要求范围中。

Claims (7)

1.一种铅酸电池正极板结构,包括有一正极铝板栅,该正极铝板栅具有一边框,以及于边框内侧设有多数纵横交错相连的栅条,各栅条之间分别隔成相对栅孔,在边框外侧设有一正极连接片,且边框及各栅条各侧面全部设为粗糙表面;一铅熔射喷覆层,该铅熔射喷覆层包覆固着在正极铝板栅的边框及各栅条全部的粗糙表面上;一正活性材料固化体,该正活性材料固化体包覆固着在正极铝板栅全部的铅熔射喷覆层表面上,并且正活性材料固化体填满封闭于各栅孔,以形成正极板结构。
2.如权利要求1所述的铅酸电池正极板结构,其中该铅熔射喷覆层附着于该粗糙表面的附着力为99.8kgf/cm2~150kgf/cm2
3.如权利要求1所述的铅酸电池正极板结构,其中该铅熔射喷覆层的孔隙率为1~5%。
4.如权利要求1所述的铅酸电池正极板结构,其中该铅熔射喷覆层为铅粒子喷覆层、铅锡合金粒子喷覆层及氧化铅粒子喷覆层其中的一者。
5.如权利要求1所述的铅酸电池正极板结构,其中该铅熔射喷覆层附着于该粗糙表面上是通过一常温气压熔射法实现的。
6.如权利要求1所述的铅酸电池正极板结构,其中该正极铝板栅的正极连接片各侧面全部设为粗糙表面,以及在正极连接片全部粗糙表面上包覆固着有铅熔射喷覆层。
7.如权利要求1所述的铅酸电池正极板结构,其中该正活性材料固化体为铅膏固化体。
CN201610671322.8A 2016-08-15 2016-08-15 铅酸电池正极板结构 Pending CN107768672A (zh)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB722958A (en) * 1952-10-13 1955-02-02 Willard Storage Battery Co Improvements relating to electric storage batteries
GB1597033A (en) * 1977-02-15 1981-09-03 Solargen Electronics Electrodes for lead storage battery and cells and batteries containing them
KR20030048535A (ko) * 2001-12-12 2003-06-25 한국타이어 주식회사 납축전지용 극판 및 이를 포함하는 납축전지
JP2007087700A (ja) * 2005-09-21 2007-04-05 Shin Kobe Electric Mach Co Ltd 鉛蓄電池
CN101092708A (zh) * 2007-04-06 2007-12-26 昆明理工大学 铝-铅层状复合材料
CN102623675A (zh) * 2011-01-27 2012-08-01 扬州欧力特电源有限公司 铅碳蓄电池用负极板的生产工艺
CN206388785U (zh) * 2016-08-15 2017-08-08 深圳市光鼎超导精密技术有限公司 铅酸电池正极板结构

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB722958A (en) * 1952-10-13 1955-02-02 Willard Storage Battery Co Improvements relating to electric storage batteries
GB1597033A (en) * 1977-02-15 1981-09-03 Solargen Electronics Electrodes for lead storage battery and cells and batteries containing them
KR20030048535A (ko) * 2001-12-12 2003-06-25 한국타이어 주식회사 납축전지용 극판 및 이를 포함하는 납축전지
JP2007087700A (ja) * 2005-09-21 2007-04-05 Shin Kobe Electric Mach Co Ltd 鉛蓄電池
CN101092708A (zh) * 2007-04-06 2007-12-26 昆明理工大学 铝-铅层状复合材料
CN102623675A (zh) * 2011-01-27 2012-08-01 扬州欧力特电源有限公司 铅碳蓄电池用负极板的生产工艺
CN206388785U (zh) * 2016-08-15 2017-08-08 深圳市光鼎超导精密技术有限公司 铅酸电池正极板结构

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