CN1040708A - 蓄电池双极电极 - Google Patents
蓄电池双极电极 Download PDFInfo
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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
- H01M4/00—Electrodes
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
- H01M10/0418—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes with bipolar electrodes
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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
- H01M10/06—Lead-acid accumulators
- H01M10/18—Lead-acid accumulators with bipolar electrodes
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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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/42—Grouping of primary cells into batteries
- H01M6/46—Grouping of primary cells into batteries of flat cells
- H01M6/48—Grouping of primary cells into batteries of flat cells with bipolar electrodes
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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
蓄电池双极电极包含有:带有一个孔的、用不导电材料做成的基架1;分别安排在基架1不同方面的阳极活性材料3和阴极活性材料4;密封固定在孔2中且其相对面6、7分别和阳极活性材料3和阴极活性材料4接触的导电元件5。
孔2直径与基架1周长之比在0.01…0.1范围内,而孔2直径与孔2区内基架1厚度之比在1…10范围内。
Description
本发明涉及电工技术领域,更具体地说,是涉及化学能直接转化为电能的装置。本发明最有成效的是可以用在蓄电池中,主要是用在密封铅酸电池和密封镍-镉电池中。
现在,所指蓄电池的研究工作趋向于对组成该蓄电池的双极电极的构造进行改进,为的是增加蓄电池的寿命。
已知的蓄电池双极电极包含有,用聚合物做成的穿孔薄片形基架,分别安排在基架不同方面的阳极和阴极活性材料。在基架的孔中密封安装了用铅或铅合金做成的导电元件,它们的端部与相应的活性材料接触(US,A,4542082)。
所述双极电极的缺点是每个导电元件和活性材料接触表面小,从而必须有大量的导电元件才行。随着导电元件数量的增加,当基架孔中导电元件安置的密封破坏时漏电也增加,这导致电极的寿命缩短。
此外,由于活性材料缺乏不论那一样在基架上的固定,在所述电极中就存在活性材料从基架表面塌落的可能性,这也会导致电极使用寿命缩短。
已知蓄电池双极电极包含有,其上带孔的并用非导电材料做成的基架,分别安排在基架不同方面的阳极的和阴极活性材料,和导电元件。导电元件制成板状,装有销钉,销钉密封固定在基架孔中(JP,B,59-64436)。这样导电元件板的表面就和安排在基架一个方面的活性材料相接触,而固定在基架孔中的销钉的端部和安排在基架另一方面的活性材料接触。
所述双极电极的缺点是,导电元件销钉端部和活性材料之一的接触表面小,从而必须增加销钉的数目。这又增加了在基架孔中销钉固定用密封破坏时漏电可能性,增加了双极电极的局部放电,缩短电极的寿命。
本发明的目的是创造一个蓄电池双极电极,其中基架孔的尺寸这样选择,使得“导电元件-基架”结中的腐蚀过程变慢,并当基架孔中导电元件固定用密封坏破时减少漏电,从而增加了电极寿命。
所提出的任务是这样解决的,即在蓄电池双极电极中包含有:带有一个孔,用不导电材料做成的基架,分别安排在基架不同方面的阳极和阴极的活性材料,密封固定在基架孔中并且其相对的面与相应活性材料接触的导电元件,按照本发明,基架孔直径与基架周长之比在0.01…0.1范围内,而基架孔直径与孔区内基架厚度之比在1…10范围内。
发明人实验证明,遵守下述条件,即基架孔直径与基架周长之比在0.01…0.1范围内,而基架孔直径与孔区(即孔附近基架部分)中基架厚度之比在1…10范围内,可使“导电元件-基架”结中的腐触过程变慢,保障在基架孔中导电元件,固定用密封破坏时,在“导电元件-基架”结中漏电流最小,因此增加了双极电极的寿命。
当基架孔直径与基架周长之比小于0.01时,电流通过导电元件,就会在导电元件中产生太的电压损失,使导电元件上引起大的电流负荷,加快了它的腐蚀。这导致基架孔中导电元件固定用密封破坏,从而在“导电元件-基架”结中产生漏电,缩短电极寿命。
当基架孔的直径与基架周长之比大于0.1,使用电极的蓄电池的比率特性,特别是单位重量比能量下降,导致蓄电池容量减小。
当基架孔直径与孔区中基架厚度之比小于1,就出现上述蓄电池比率特性下降情况,减少蓄电池的容量。
如果基架孔直径与基架厚度大于10,则,如已述,电流流经导电元件时,在导电元件中产生大的电压损失,造成导电元件腐蚀加快,引起基架孔中固定用密封破坏,从而缩短电极和整个蓄电池的寿命。
下面,通过引证附图对本发明几个实施例的详细叙述,而使本发明变得更明白,其中
图1,剖面图中,描绘了供小型筒式蓄电池组用的蓄电池双极电极,
图2,是图1的双极电极,没有活性材料的俯视图,
图3,剖面图中,是蓄电池双极电极基架,
图4,剖面图中,是供矩形截面带棱形的蓄电池组用的蓄电池双极电极,
图5,是图4的双极电极,没有活性材料的俯视图,
图6,剖面图中,是供三角形截面带棱形蓄电池组用的蓄电池双极电极,
图7,是图6的双极电极,没有活性材料的俯视图。
蓄电池双极电极包含用不导电材料,例如聚苯乙烯,做成的基架1(图1,4,6),基架中有一个孔2(图3)。阳极活性材料3和阴极活性材料4安排在基架的不同方面。在基架1的孔2中密封固定了导电元件5,其相对面6和7分别与阳极活性材料3和阴极活性材料4接触。
双极电极的基架1的孔2是这样完成的,基架1的孔2直径与基架1周长之比在0.01…0.1范围内,而基架1孔2直径与孔2区内基架1厚度之比在1…10范围内。
当基架孔这样完成时,“导电元件-基架”结中腐蚀过程变慢,并且当基架孔中导电元件固定用密封破坏时保证“导电元件-基架”结中漏电最小,因此,增加了双极电极的寿命。
下面,引述三个所提出的蓄电池双极电极的实施例。
例1,双极电极,基架孔直径等于4mm,基架周长40mm,而孔区内基架厚度是1.5mm。这时孔直径与基架周长比等于0.1,而孔直径与孔区内基架厚度之比约等于3。
双极电双可以用在小型密封铅-酸电池组中。电池组由3个双极和两个单极(边电极)电极装配成,具有8伏电压,和0.15安培小时额定容量。电池组用作为小型无线电装置的电源,是型为“空气-锌”干式蓄电池组的类似物。
例2,双极电极,基架孔直径等于6.0mm,基架周长120mm,而孔区内基架厚度是0.6mm。这时孔直径与基架周长之比等于0.05,而孔直径与孔区内基架厚度之比等于10。
双极电极可用在电压8,10和12伏的小型密封铅-酸蓄电池组中。蓄电池组额定容量约0.8安培小时。电池组可用作为电子仪器,电动玩具,光源的供电电流,可供保护电子计算机存贮性能之用。
例3,双极电极,基架孔直径等于4.0mm。基架周长等于400mm,而孔区内基架厚度是4.0mm。这时孔直径与基架周长之比等于0.01,而孔直径与孔区内基架厚度之比等于1。
双极电极可以用在密封铅-酸蓄电池组中。蓄电池组的额定容量约7安培小时。除例2中已指出的应用领域外,本蓄电池组也可用作为起动电流源。
在所提出的表中,引用了已知双极电极的参数,和按照本发明附合上述三个例子的双极电极参数,以及一个本发明所指基架孔参数超出指定范围的双极电极例子。
由表看出,按照本发明所提出的基架孔而加工成的双极电极,较已知电极,大大增加了所提出电极的寿命。当本发明指定的孔的参数超出规定范围时(例4)又急剧缩短了电极寿命。
具有所提出双极电极的蓄电池装置,可由下面方法实现。
双极电极具有安排在电极间的隔板和两侧边上是单电极,上述双极电极沿聚合物基架的周边作粘接或熔接。然后对电极和隔板。添加电解质。
蓄电池按如下方式工作;
充电时,阳极活性材料转化成铅的二氧化物,而阴极活性材料转化成多孔金属铅。蓄电池放电时,阳极活性材料的铅二氧化物和阴极活性材料的多孔铅都转化为铅的硫酸盐。
Claims (1)
- 蓄电池双极电极,包含,带有一个孔的用不导电材料做成的基架,分别安排在基架不同方面的阳极活性材料和阴极活性材料,密封固定在基架孔中且其相对面与相应活性材料接触的导电元件,其特征是,基架1的孔2的直径与基架周长之比在0.01…0.1范围内,而基架1孔2的直径与孔区内基架厚度之比在1…10范围内。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU884462200A SU1644259A1 (ru) | 1988-07-18 | 1988-07-18 | Бипол рный электрод электрического аккумул тора |
SU4462200 | 1988-07-18 |
Publications (1)
Publication Number | Publication Date |
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CN1040708A true CN1040708A (zh) | 1990-03-21 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN89106551A Pending CN1040708A (zh) | 1988-07-18 | 1989-07-17 | 蓄电池双极电极 |
Country Status (11)
Country | Link |
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JP (1) | JPH03501427A (zh) |
CN (1) | CN1040708A (zh) |
BR (1) | BR8907027A (zh) |
ES (1) | ES2014805A6 (zh) |
FI (1) | FI901294A0 (zh) |
FR (1) | FR2634323A1 (zh) |
HU (1) | HUT57480A (zh) |
PL (1) | PL280637A1 (zh) |
SU (1) | SU1644259A1 (zh) |
WO (1) | WO1990001220A1 (zh) |
YU (1) | YU144389A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100372154C (zh) * | 2006-03-23 | 2008-02-27 | 何茂彬 | 蓄电池双极电极 |
US20210280867A1 (en) * | 2016-10-05 | 2021-09-09 | Clarios Germany Gmbh & Co. Kgaa | Current-conducting structure and method for the production thereof |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19652177A1 (de) * | 1996-12-14 | 1998-06-18 | Varta Batterie | Bleiakkumulator mit bipolaren Elektroden |
JP4462245B2 (ja) * | 2006-07-19 | 2010-05-12 | トヨタ自動車株式会社 | 2次電池、積層2次電池および組電池 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5121445B1 (zh) * | 1971-05-29 | 1976-07-02 | ||
US3817788A (en) * | 1972-01-04 | 1974-06-18 | Tudor Ab | Bi-polar electrode for lead-acid-type accumulator |
EP0079727B1 (en) * | 1981-11-14 | 1985-10-09 | Automotive Products Public Limited Company | Friction clutch driven plate |
US4542082A (en) * | 1982-02-08 | 1985-09-17 | California Institute Of Technology | Bipolar battery plate |
JPS59138076A (ja) * | 1983-01-26 | 1984-08-08 | Shin Kobe Electric Mach Co Ltd | 積層式鉛蓄電池 |
JPS6012674A (ja) * | 1983-06-30 | 1985-01-23 | Japan Storage Battery Co Ltd | 小形鉛蓄電池 |
JPS60165066A (ja) * | 1984-02-07 | 1985-08-28 | Japan Storage Battery Co Ltd | モノブロツク鉛蓄電池 |
-
1988
- 1988-07-18 SU SU884462200A patent/SU1644259A1/ru active
-
1989
- 1989-06-16 HU HU894997A patent/HUT57480A/hu unknown
- 1989-06-16 JP JP1508622A patent/JPH03501427A/ja active Pending
- 1989-06-16 BR BR898907027A patent/BR8907027A/pt unknown
- 1989-06-16 WO PCT/SU1989/000164 patent/WO1990001220A1/ru active Application Filing
- 1989-07-13 FR FR8909541A patent/FR2634323A1/fr not_active Withdrawn
- 1989-07-17 ES ES8902516A patent/ES2014805A6/es not_active Expired - Lifetime
- 1989-07-17 CN CN89106551A patent/CN1040708A/zh active Pending
- 1989-07-18 PL PL28063789A patent/PL280637A1/xx unknown
- 1989-07-18 YU YU144389A patent/YU144389A/sh unknown
-
1990
- 1990-03-15 FI FI901294A patent/FI901294A0/fi not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100372154C (zh) * | 2006-03-23 | 2008-02-27 | 何茂彬 | 蓄电池双极电极 |
US20210280867A1 (en) * | 2016-10-05 | 2021-09-09 | Clarios Germany Gmbh & Co. Kgaa | Current-conducting structure and method for the production thereof |
Also Published As
Publication number | Publication date |
---|---|
WO1990001220A1 (en) | 1990-02-08 |
ES2014805A6 (es) | 1990-07-16 |
HUT57480A (en) | 1991-11-28 |
JPH03501427A (ja) | 1991-03-28 |
YU144389A (sh) | 1992-07-20 |
BR8907027A (pt) | 1990-12-26 |
FI901294A0 (fi) | 1990-03-15 |
FR2634323A1 (fr) | 1990-01-19 |
SU1644259A1 (ru) | 1991-04-23 |
PL280637A1 (en) | 1990-02-05 |
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