CN1170967A - 具有非活性部分的极板 - Google Patents
具有非活性部分的极板 Download PDFInfo
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- CN1170967A CN1170967A CN97113974A CN97113974A CN1170967A CN 1170967 A CN1170967 A CN 1170967A CN 97113974 A CN97113974 A CN 97113974A CN 97113974 A CN97113974 A CN 97113974A CN 1170967 A CN1170967 A CN 1170967A
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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
- 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
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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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/14—Electrodes for lead-acid accumulators
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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
- 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
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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
- 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
- H01M4/742—Meshes or woven material; Expanded metal perforated material
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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
- H01M10/24—Alkaline accumulators
- H01M10/28—Construction or manufacture
- H01M10/286—Cells or batteries with wound or folded 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
- H01M6/04—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
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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
- 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
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
一种具有两条纵向侧面边沿和两条侧向端部边沿的极板,该极板包括一活性部分,其上制成有许多充填孔眼,使得可能充填活性材料,以及一非活性部分,它以一预定宽度制成在两条纵向侧面边沿和侧向端部边沿上面,此非活性部分没有充填孔眼和活性材料。
Description
本发明涉及一种具有非活性部分的极板,更为具体地说,涉及一种围绕各外侧边沿制成一非活性部分以防止短路的极板。
二次电池是可以重新充电的电池。有两种主要类型的二次电池:镍-镉和镍-氢。在镍-镉电池中,各电极通过将许多板层按照一正极板、一绝缘板、一负极板和一另外的绝缘板的顺序排放而制成。各绝缘层可防止正极板和负极板之间的短路。以上的分层组合体随后装设在一容器之中。接下去,各种电解液(亦即,氢氧化钾KOH、氢氧化钠NaOH、或氢氧化镍NiOH)然后置放在容器之中。
负极板是在充填活性材料,或者各种电解液之后卷制而成的。
图3示出一负极板2,其配置有沿负极板2整个区域而制成的活性部分4。此活性部分4制有许多充填孔眼6。
如图4所示,一另一现有技术实例中的负极板8在负极板8的一活性区域4上制有许多充填孔眼6。各非活性区域9沿着负极板8的各纵向外侧边沿制成,非活性区域9是以一预定宽度并通过利用超声波或水除掉活性材料而制成的。
在以上现有技术的各种负极板中,沿着各边沿(在图4中仅沿各侧向边沿)制成半圆形槽口。结果,当将负极板与正极板和夹置在其中的各绝缘板一起卷起以制作电极时,各半圆形槽口的边沿可能损坏各绝缘板,导致正极板和负极板短路。
还有,由于充填在各边沿端部的活性材料容易从由各半圆形槽口的尖锐边沿上脱落掉,所以,脱落掉的活性材料可能污染各电极,降低电池的容量。
本发明是为努力解决以上问题而完成的。
本发明的目的是,提供一种具有一非活性部分的极板,可防止损坏各绝缘板和脱落掉活性材料,以防止正极板和负极板的短路和电池容量的降低。
为达到以上目的,本发明提供一种具有两条纵向侧面边沿和两条侧向端的边沿的极板,该极板包括:一活性部分,其上制成许多充填孔眼,使得可能充填活性材料;以及一非活性部分,它以一预定宽度制成在两条纵向侧面边沿和两条侧向端部边沿上面,此非活性部分没有充填孔眼和活性材料。
按照本发明的一项特点,非活性部分沿一条直线制成。
按照本发明的另一项特点,各纵向侧面边沿与各侧向端部边沿交接处的各棱角是倒圆的。
本发明的另外目的和其他优点从以下结合各附图所作的说明中将会是显而易见的,附图中:
图1是符合本发明一最佳实施例的、一种具有一非活性部分的极板的前视图;
图2是表明一种使用示于图1的极板制作电极的过程的透视图;
图3是表明现有技术中极板的前视图;以及
图4是表明另一现有技术中极板的前视图。
本发明的各最佳实施例现在将参照各附图予以详细说明。
首先参看图1,图1是符合本发明一最佳实施例的、一种具有一非活性部分的极板10的前视图。此极板10包括:具有许多充填孔眼6的一活性部分4,使得可能充填活性材料;以及一非活性部分12,它以一预定宽度制成在极板10的两条纵向侧面边沿和两条侧向端部边沿上面,此非活性部分12是通过除掉极板10上的活性材料而制成的。
以上,最好将非活性部分12沿一条直线制成,并把各纵向侧面边沿与各侧向端部边沿的交接处的各棱角倒圆。
如上述结构的本发明的极板10的制造过程此后将予以说明。
首先,在活性部分4上按预定距离制成许多沿直线排列的充填孔眼6。接着,把活性材料充填在极板10上。在此步骤之后,通过利用超声波或水除掉活性材料的办法沿着极板10的两条纵向侧面边沿和两条侧面端部边沿以一预定宽度制成非活性部分12。最好是采用这种极板10作为负极板。
如图2所示,一接头片15安装于一正极板14上,而一成层组合体按照正极板14、绝缘板16、负极板10和绝缘板16的顺序制成。此成层组合体构成各电极,随后将其卷制。
在以上卷制过程中,由于极板10的各棱角是倒圆的,以及其各纵向侧面边沿和各侧向端部边沿是制成直线形的,所以本发明的极板10不象现有技术中那样损坏各绝缘板16。这将起到防止正极板和负极板短路的作用。
其次,非活性部分的形成起到防止在各边沿部分上活性材料被除掉的作用,以使极板的寿命得以增加,而极板容量的减少得以防止。
虽然此前已经详细地说明了本发明的各最佳实施例,但应当明确地认识到,在本技术领域中的一些熟练人员看来可能是在此显示的基本发明思想的许多变更和/或改进,都将仍然归于由所附各项权利要求所限定的本发明的精神和范畴之内。
Claims (3)
1.一种具有两条纵向侧面边沿和两条侧向端部边沿的极板,所述极板包括:
一活性部分,其上制成有许多充填孔眼,使得可能充填活性材料;
一非活性部分,它以一预定宽度制成在两条纵向侧面边沿和两条侧向端部边沿上面,此非活性部分没有充填孔眼和活性材料。
2.按照权利要求1所述的极板,其中非活性部分沿一条直线制成。
3.按照权利要求1所述的极板,其中各纵向侧面边沿与各侧向端部边沿的交接处的各棱角是倒圆的。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR19615/96 | 1996-07-02 | ||
KR2019960019615U KR200150028Y1 (ko) | 1996-07-02 | 1996-07-02 | 무지부를 형성한 극판 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1170967A true CN1170967A (zh) | 1998-01-21 |
Family
ID=19460660
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97113974A Pending CN1170967A (zh) | 1996-07-02 | 1997-06-27 | 具有非活性部分的极板 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPH1074522A (zh) |
KR (1) | KR200150028Y1 (zh) |
CN (1) | CN1170967A (zh) |
DE (1) | DE19727662A1 (zh) |
FR (1) | FR2752645A1 (zh) |
GB (1) | GB2314964B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6300002B1 (en) * | 1999-05-13 | 2001-10-09 | Moltech Power Systems, Inc. | Notched electrode and method of making same |
JP2001052711A (ja) * | 1999-08-05 | 2001-02-23 | Honda Motor Co Ltd | 蓄電池用電極板 |
JP4971537B2 (ja) * | 2000-04-14 | 2012-07-11 | パナソニック株式会社 | 電池用極板群及びその製造方法 |
JP2005235494A (ja) * | 2004-02-18 | 2005-09-02 | Sanyo Electric Co Ltd | ニッケル・水素蓄電池用正極 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA982223A (en) * | 1972-05-10 | 1976-01-20 | John P. Cestaro | Light-weight lead-acid battery |
US4056885A (en) * | 1976-12-15 | 1977-11-08 | Exxon Research & Engineering Co. | Method of preparing lithium-aluminum alloy electrodes |
JPH0353456A (ja) * | 1989-07-18 | 1991-03-07 | Sanyo Electric Co Ltd | 円筒形電池用極板の導電用芯体 |
EP0419221B1 (en) * | 1989-09-18 | 1994-11-17 | Toshiba Battery Co., Ltd. | Nickel-metal hydride secondary cell |
JPH05234598A (ja) * | 1992-02-21 | 1993-09-10 | Matsushita Electric Ind Co Ltd | 蓄電池の渦巻状極板群 |
US5527638A (en) * | 1993-06-30 | 1996-06-18 | Matsushita Electric Industrial Co., Ltd. | Hydrogen storage alloy electrode and sealed-type nickel-metal hydride storage battery using the same |
KR960043320A (ko) * | 1995-05-31 | 1996-12-23 | 윤종용 | 2차 전지 및 극판용 집전체 제조 방법 |
-
1996
- 1996-07-02 KR KR2019960019615U patent/KR200150028Y1/ko not_active IP Right Cessation
-
1997
- 1997-06-27 CN CN97113974A patent/CN1170967A/zh active Pending
- 1997-06-30 FR FR9708229A patent/FR2752645A1/fr active Pending
- 1997-06-30 GB GB9713794A patent/GB2314964B/en not_active Expired - Fee Related
- 1997-06-30 DE DE19727662A patent/DE19727662A1/de not_active Withdrawn
- 1997-07-02 JP JP9176252A patent/JPH1074522A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB9713794D0 (en) | 1997-09-03 |
GB2314964A (en) | 1998-01-14 |
FR2752645A1 (fr) | 1998-02-27 |
KR980009762U (ko) | 1998-04-30 |
DE19727662A1 (de) | 1998-01-08 |
JPH1074522A (ja) | 1998-03-17 |
GB2314964B (en) | 1999-01-27 |
KR200150028Y1 (ko) | 1999-07-01 |
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