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WO2015161628A1 - 一种高强度蓄电池正板栅 - Google Patents

一种高强度蓄电池正板栅 Download PDF

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Publication number
WO2015161628A1
WO2015161628A1 PCT/CN2014/088346 CN2014088346W WO2015161628A1 WO 2015161628 A1 WO2015161628 A1 WO 2015161628A1 CN 2014088346 W CN2014088346 W CN 2014088346W WO 2015161628 A1 WO2015161628 A1 WO 2015161628A1
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WIPO (PCT)
Prior art keywords
rib
cross
sectional area
ribs
vertical
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PCT/CN2014/088346
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English (en)
French (fr)
Inventor
方明学
李军
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浙江天能电池(江苏)有限公司
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Publication of WO2015161628A1 publication Critical patent/WO2015161628A1/zh

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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
    • H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
    • 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

Definitions

  • the invention relates to the field of batteries, and in particular to a high-strength battery positive grid.
  • the main components of the battery are composed of a grid and a lead paste.
  • the grid mainly supports the lead paste and conducts current.
  • the grid mainly consists of a pole ear, a frame rib, a transverse rib and a vertical rib in the inner frame.
  • Most of the existing slabs adopt a transverse rib and a vertical rib perpendicular to each other, and the vertical ribs are mostly the same as the upper and lower thicknesses, since the battery current is from the plate.
  • the bottom is collected upwards, and the current is gradually increased.
  • the upper ribs of the relatively large current are thinner, which leads to an increase in electrical resistance and affects the electrical conductivity of the ribs.
  • the utilization rate of the active material in the upper part of the electrode plate near the ear is the highest. From the perspective of dissecting the battery grid, the corrosion of the upper part of the grid leads to a shortened battery life.
  • the technical problem to be solved by the present invention is to provide a high-strength battery positive grid, which has improved corrosion resistance, electrical conductivity, and improved utilization rate of active materials, and can greatly improve the product quality of the battery and prolong the service life of the battery.
  • the utility model relates to a high-strength battery positive grid, which comprises a rectangle surrounded by a surrounding frame rib, and a bead is arranged on the side of the upper side of the frame rib, and the inner frame of the frame rib is provided with a plurality of criss-crossing equidistant vertical ribs and transverse ribs.
  • the cross-sectional area of the upper rib of the frame rib is larger than the cross-sectional area of the lower rib and the side rib.
  • One of the upper ends of the vertical rib extends to one side of the ear, and the cross-sectional area of the vertical rib gradually increases from the bottom end to the top of the tab. Increase, the average cross-sectional area of the vertical rib is greater than the cross-sectional area of the transverse rib.
  • the cross-sectional area of the upper rib of the frame rib is 1.02-1.05 times of the cross-sectional area of the lower rib, which is 1.04-1.08 times of the cross-sectional area of the side rib, and the cross-sectional area of the vertical rib near the end of the tab is another 1.2-1.4 times of one end, the average cross-sectional area of the vertical rib is 1.28-1.34 times of the cross-sectional area of the transverse rib.
  • the upper and lower outermost transverse ribs are provided with a plurality of equidistant auxiliary vertical ribs in the A spacing from the upper and lower ribs.
  • the A spacing is greater than the B spacing between the transverse ribs by 1.25 to 1.45 times.
  • the average cross-sectional area of the vertical rib is 1.28-1.32 times the cross-sectional area of the auxiliary vertical rib.
  • the joint of the frame rib, the vertical rib, the transverse rib and the auxiliary vertical rib is a R0.2-R0.8cm round.
  • the cross section of the frame rib, the vertical rib, the transverse rib, and the auxiliary vertical rib is a symmetrical polygon.
  • the sum of the weights of the transverse ribs, the vertical ribs and the auxiliary vertical ribs is not less than 42% of the total weight of the positive grid.
  • the present invention has the following significant advantages:
  • the invention has simple structure, the thickness structure of the frame ribs and the vertical ribs and the transverse ribs, and the vertical ribs which are continuously thickened from the bottom up, improve the corrosion resistance of the grid, enhance the conductivity, and improve the utilization rate of the active materials. Greatly improve the quality of the battery and extend the life of the battery.
  • Figure 1 is a structural view of the present invention.
  • the present invention includes a rectangle surrounded by the surrounding frame ribs 1 .
  • the upper ribs 11 of the frame ribs 1 are provided with tabs 2 on the side of the ribs 1 , and the inner frame of the frame ribs 1 is provided with criss-crossing equidistant ribs 14 .
  • the cross-sectional area of the upper rib 11 of the frame rib 1 is 1.02-1.05 times the cross-sectional area of the lower rib 12, which is 1.04-1.08 times the cross-sectional area of the side rib 13, and one of the upper ends of the vertical rib 14 is extended to One side edge of the ear 1
  • Upper cross-sectional area of the vertical rib 14 gradually increases from the bottom end to the top end of the tab, and the cross-sectional area near one end of the tab is 1.2-1.4 times of the other end, and the average cross-sectional area of the vertical rib 14 is 1.28 of the cross-sectional area of the cross rib 15 -1.34 times.
  • the upper and lower outermost transverse ribs 15 are provided with equidistant auxiliary vertical ribs 18 from the A spacing 16 of the upper and lower ribs 11, 12, and the A spacing 16 is greater than the B spacing between the transverse ribs 15 by 171.25-1.45 times, and the vertical ribs 14
  • the average cross-sectional area is 1.28-1.32 times the cross-sectional area of the auxiliary vertical rib 18 .
  • the joint of the frame rib 1, the vertical rib 14, the transverse rib 15 and the auxiliary vertical rib 18 is a R0.2-R0.8cm round.
  • the cross section of the frame rib 1, the vertical rib 14, the transverse rib 15 and the auxiliary vertical rib 18 is a symmetrical polygon.
  • the sum of the weights of the transverse ribs 15, the vertical ribs 14, and the auxiliary vertical ribs 18 is not less than 42% of the total weight of the positive grid.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cell Electrode Carriers And Collectors (AREA)

Abstract

一种高强度蓄电池正板栅，包括四周边框筋围成的矩形，边框筋的上边筋偏侧设有极耳，边框筋的内框中设有若干纵横交错的等距竖筋和横筋，所述边框筋的上边筋截面积大于下边筋、侧边筋截面积，所述竖筋的其中一条上端延至极耳的一侧边线上，竖筋截面积由底端向靠近极耳的顶端逐渐增大，竖筋的平均截面积大于横筋截面积。该正板栅结构简单，边框筋与竖筋、横筋的粗细结构，及由下而上不断增粗的竖筋，提高了板栅的耐腐蚀性能、增强导电能力，以及提高活性物质的利用率，提升蓄电池的产品质量并延长电池的使用寿命。

Description

一种高强度蓄电池正板栅 技术领域
本发明涉及蓄电池领域，具体涉及一种高强度蓄电池正板栅。
背景技术
蓄电池主要部件极板是由板栅和铅膏组成，板栅主要起支撑铅膏和传导电流作用。板栅主要有极耳，边框筋、内框中的横筋和竖筋构成，现有板栅大多采用横筋和竖筋相互垂直结构，而且竖筋大都采用上下粗细一样，由于电池电流是从极板底部向上汇集，电流逐步增大，相对大电流的上部筋条细了，会导致电阻增大，影响筋条的导电能力。同时，极板靠近极耳的上半部分活性物质的利用率最高，从解剖电池板栅来看，上半部分的板栅腐蚀导致电池寿命缩短。
发明内容
本发明要解决的技术问题是提供一种高强度蓄电池正板栅，其耐腐蚀性能、导电能力增强，活性物质的利用率提高，能够大幅度的提升蓄电池的产品质量并延长电池的使用寿命。
本发明通过以下技术方案实现：
一种高强度蓄电池正板栅，包括四周边框筋围成的矩形，边框筋的上边筋偏侧设有极耳，边框筋的内框中设有若干纵横交错的等距竖筋和横筋，所述边框筋的上边筋截面积大于下边筋、侧边筋截面积，所述竖筋的其中一条上端延至极耳的一侧边线上，竖筋截面积由底端向靠近极耳的顶端逐渐增大，竖筋的平均截面积大于横筋截面积。
本发明进一步改进方案是，所述边框筋的上边筋截面积是下边筋截面积的1.02-1.05倍，是侧边筋截面积的1.04-1.08倍，竖筋靠近极耳一端的截面积为另一端的1.2-1.4倍，竖筋的平均截面积是横筋截面积的1.28-1.34倍。
本发明更进一步改进方案是，所述上下最外侧的横筋离上下边筋的A间距内设有若干等距的辅竖筋。
本发明更进一步改进方案是，所述A间距大于横筋之间的B间距1.25-1.45倍。
本发明更进一步改进方案是，所述竖筋的平均截面积是辅竖筋截面积的1.28-1.32倍。
本发明更进一步改进方案是，所述边框筋、竖筋、横筋及辅竖筋的连接处为R0.2-R0.8cm倒圆角。
本发明更进一步改进方案是，所述边框筋、竖筋、横筋及辅竖筋的截面为对称多边形。
本发明更进一步改进方案是，所述横筋、竖筋及辅竖筋的重量之和不低于正板栅总重量的42％。
本发明与现有技术相比，具有以下明显优点：
本发明结构简单，边框筋与竖筋、横筋的粗细结构，及由下而上不断增粗的竖筋，提高了板栅的耐腐蚀性能、增强导电能力，以及提高活性物质的利用率，能够大幅度的提升蓄电池的产品质量并延长电池的使用寿命。
附图说明
图1为本发明结构图。
具体实施方式
如图1所示，本发明包括四周边框筋1围成的矩形，边框筋1的上边筋11偏侧设有极耳2，边框筋1的内框中设有纵横交错的等距竖筋14和横筋15，所述边框筋1的上边筋11截面积是下边筋12截面积的1.02-1.05倍，是侧边筋13截面积的1.04-1.08倍，所述竖筋14的其中一条上端延至极耳1的一侧边线 上，竖筋14截面积由底端向靠近极耳的顶端逐渐增大，靠近极耳一端的截面积为另一端的1.2-1.4倍，竖筋14的平均截面积是横筋15截面积的1.28-1.34倍。
所述上下最外侧的横筋15离上下边筋11、12的A间距16内设有等距的辅竖筋18，A间距16大于横筋15之间的B间距171.25-1.45倍，竖筋14的平均截面积是辅竖筋18截面积的1.28-1.32倍。
所述边框筋1、竖筋14、横筋15及辅竖筋18的连接处为R0.2-R0.8cm倒圆角。
所述边框筋1、竖筋14、横筋15及辅竖筋18的截面为对称多边形。
所述横筋15、竖筋14及辅竖筋18的重量之和不低于正板栅总重量的42％。

Claims (8)

  1. 一种高强度蓄电池正板栅，包括四周边框筋(1)围成的矩形，边框筋(1)的上边筋(11)偏侧设有极耳(2)，边框筋的内框中设有若干纵横交错的等距竖筋(14)和横筋(15)，其特征在于：所述边框筋的上边筋(11)截面积大于下边筋(12)、侧边筋(13)截面积，所述竖筋(14)的其中一条上端延至极耳(1)的一侧边线上，竖筋(14)截面积由底端向靠近极耳的顶端逐渐增大，竖筋(14)的平均截面积大于横筋(15)截面积。
  2. 根据权利要求1所述的一种高强度蓄电池正板栅，其特征在于：所述边框筋(1)的上边筋(11)截面积是下边筋(12)截面积的1.02-1.05倍，是侧边筋(13)截面积的1.04-1.08倍，竖筋(14)靠近极耳一端的截面积为另一端的1.2-1.4倍，竖筋(14)的平均截面积是横筋(15)截面积的1.28-1.34倍。
  3. 根据权利要求1所述的一种高强度蓄电池正板栅，其特征在于：所述上下最外侧的横筋(15)离上下边筋(11、12)的A间距(16)内设有若干等距的辅竖筋(18)。
  4. 根据权利要求3所述的一种高强度蓄电池正板栅，其特征在于：所述A间距(16)大于横筋(15)之间的B间距(17)1.25-1.45倍。
  5. 根据权利要求3所述的一种高强度蓄电池正板栅，其特征在于：所述竖筋(14)的平均截面积是辅竖筋(18)截面积的1.28-1.32倍。
  6. 根据权利要求3所述的一种高强度蓄电池正板栅，其特征在于：所述边框筋(1)、竖筋(14)、横筋(15)及辅竖筋(18)的连接处为R0.2-R0.8cm倒圆角。
  7. 根据权利要求3所述的一种高强度蓄电池正板栅，其特征在于：所述边框筋(1)、竖筋(14)、横筋(15)及辅竖筋(18)的截面为对称多边形。
  8. 根据权利要求3所述的一种高强度蓄电池正板栅，其特征在于：所述横筋(15)、竖筋(14)及辅竖筋(18)的重量之和不低于正板栅总重量的42％。
PCT/CN2014/088346 2014-04-22 2014-10-11 一种高强度蓄电池正板栅 WO2015161628A1 (zh)

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN109860622A (zh) * 2018-09-06 2019-06-07 旭派电源有限公司 一种铅酸蓄电池曲面板栅结构
CN110611101A (zh) * 2019-09-12 2019-12-24 安徽理士电源技术有限公司 富液式铅酸蓄电池用涂膏板栅及其制备方法
CN112467148A (zh) * 2020-10-20 2021-03-09 天能电池集团股份有限公司 一种防鼓胀的电池

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Publication number Priority date Publication date Assignee Title
CN109860622A (zh) * 2018-09-06 2019-06-07 旭派电源有限公司 一种铅酸蓄电池曲面板栅结构
CN110611101A (zh) * 2019-09-12 2019-12-24 安徽理士电源技术有限公司 富液式铅酸蓄电池用涂膏板栅及其制备方法
CN112467148A (zh) * 2020-10-20 2021-03-09 天能电池集团股份有限公司 一种防鼓胀的电池
CN112467148B (zh) * 2020-10-20 2021-12-17 天能电池集团股份有限公司 一种防鼓胀的电池

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