WO2020252948A1 - 水平铅蓄电池 - Google Patents

水平铅蓄电池 Download PDF

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Publication number
WO2020252948A1
WO2020252948A1 PCT/CN2019/105496 CN2019105496W WO2020252948A1 WO 2020252948 A1 WO2020252948 A1 WO 2020252948A1 CN 2019105496 W CN2019105496 W CN 2019105496W WO 2020252948 A1 WO2020252948 A1 WO 2020252948A1
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WO
WIPO (PCT)
Prior art keywords
storage battery
lead storage
horizontal lead
plate
gap
Prior art date
Application number
PCT/CN2019/105496
Other languages
English (en)
French (fr)
Inventor
刘焯
袁关锐
田庆山
曹星宇
王超
刘克宇
樊靖园
周文渭
汤序锋
姚秋实
李丹
施璐
Original Assignee
天能电池集团股份有限公司
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Filing date
Publication date
Application filed by 天能电池集团股份有限公司 filed Critical 天能电池集团股份有限公司
Publication of WO2020252948A1 publication Critical patent/WO2020252948A1/zh
Priority to US17/645,304 priority Critical patent/US20220115725A1/en

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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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/183—Sealing members
    • H01M50/186—Sealing members characterised by the disposition of the sealing members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
    • 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
    • H01M10/12—Construction or manufacture
    • 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
    • H01M10/12—Construction or manufacture
    • H01M10/14—Assembling a group of electrodes or separators
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/112—Monobloc comprising multiple compartments
    • H01M50/114—Monobloc comprising multiple compartments specially adapted for lead-acid cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30—Arrangements for facilitating escape of gases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to a lead storage battery, in particular to a lead storage battery with horizontally arranged plates.
  • the traditional lead storage battery is composed of a plurality of pole groups connected in series. Each pole group is composed of positive and negative plates arranged at intervals and separators arranged between adjacent plates. The plates of the same group pass through the busbar. Connected, adjacent pole groups are connected by bridges. Most of the existing batteries are installed vertically. Due to problems such as layering of the electrolyte, the plate reaction is uneven, the plate surface pressure drop and current density are uneven, the internal resistance is high, and the discharge performance of high current and high power is high. Poor, short product life. In addition, during the manufacturing process of traditional batteries, there are problems such as the pollution of various lead parts inside the battery, the welding pollution of the bridge, the welding pollution of the pole group tabs, the high equipment investment, the high energy consumption and the high labor consumption.
  • CN205846157U discloses a lead-acid horizontal battery, which includes a battery casing, a separator, an electrolyte, and positive and negative plates.
  • a separator is arranged between the upper and lower adjacent positive and negative plates in the same electrode group.
  • the sides of the positive plate and the negative plate are respectively provided with positive and negative lugs, and the two adjacent pole groups face each other.
  • the correspondingly arranged positive electrode plate and the negative electrode plate form a horizontal electrode plate by connecting their lugs together.
  • CN103208633A discloses a horizontal battery and its manufacturing method, including a battery casing and an upper cover.
  • the battery casing is provided with a number of battery pole groups and a separator that blocks the flow of electrolyte between the battery pole groups.
  • the ends are provided with lead-out terminals connected to the battery pole group.
  • the battery pole group includes alternately stacked positive plates and negative plates, and a porous separator is arranged between the positive plates and the negative plates.
  • the internal pole group In the traditional maintenance-free (lean-liquid type) AGM lead battery, the internal pole group is always in a compressed state during the entire life cycle, because only in this state, the electrolyte forms a film effect at the compressed micropores, and the internal oxygen of the battery In the compound reaction, the gas can be transported in an incompletely saturated liquid absorption state, and the effective pressure can inhibit the growth of lead branch crystals, prevent the lead paste from falling off, and prevent the migration of harmful impurity ions. Small, will cause the battery capacity to decay too fast, battery cycle performance is too poor and other problems.
  • the electrode plates of the horizontal lead-acid battery disclosed in the above documents are placed horizontally, the bottom surface of the electrode group is close to the bottom of the groove, and the top surface is suspended.
  • the electrode group and the groove body are no longer tightly matched, resulting in a decrease in battery performance, and the other is a seal
  • the sealing performance is poor or the structure is relatively complicated.
  • the present invention provides a horizontal lead-acid battery, which solves the problem of poor sealing performance between adjacent cells, and eliminates the use of confluence welding, lead bridge lead parts, welding or welding or welding of pole groups in the production process of traditional lead-acid batteries.
  • the casting and welding process avoids the input of materials, equipment and manpower in the traditional battery production process, reduces manufacturing energy consumption and prevents process pollution, thereby effectively reducing product production costs, and the production mode is greener and more efficient.
  • a horizontal lead storage battery includes a battery slot and a slot cover.
  • the interior of the battery slot is provided with a partition that divides its inner cavity into a plurality of single cells.
  • Each single cell is provided with a horizontal pole group, adjacent to each other.
  • the pole groups are connected by a bridge, the partition has a gap for the bridge to pass through, and a sealing component is arranged at the gap.
  • the sealing component is characterized in that the sealing component includes two sealing plates with a gap and sealingly fitted with the partition , The gap is filled with sealant.
  • the two sides of the sealing plate are in a sealing fit with the inner surface of the gap.
  • the two inner sides of the gap are provided with sliding grooves matched with the edges of the sealing plate.
  • the sealing plate is formed by splicing two lobes, and has a through hole for the bridge to pass through.
  • the surface of the sealing plate can be sprayed with wax, which reduces the resistance to entering the sliding groove and increases the effectiveness of the sealing plate buckling and sealing.
  • a pressure plate is arranged above the pole group to be clamped with the inner wall of the single grid and press the pole group.
  • a buckle groove is arranged inside the single grid, and a spring buckle matched with the buckle groove is arranged on the edge of the corresponding pressing plate.
  • the upper surface of the pressing plate is provided with reinforcing ribs.
  • the pressure plate is provided with an exhaust hole.
  • the pole group includes a positive electrode plate and a negative electrode plate stacked alternately, and the positive electrode plate and the negative electrode plate of the adjacent electrode group are connected by a bridge to form a bipolar electrode plate.
  • the bipolar plate is formed by stamping.
  • the grid of the bipolar plate is a mesh structure, and the mesh is a regular hexagon.
  • the tank cover is provided with liquid injection hole columns arranged in one-to-one correspondence with the single grid and a cover plate for covering the liquid injection hole columns.
  • the upper surface of the groove cover is provided with a cover plate groove matched with the cover plate, and the liquid injection hole column is arranged in the cover plate groove.
  • the circumference of the injection hole column is recessed downward.
  • the top of the sealing plate is flush with the partition or slightly higher than the partition.
  • the gap of the partition of the invention is provided with two sealing plates, and the gap between the two sealing plates is filled with sealant, and the tiny gap between the sealing plate and the partition is sealed by sealing, thereby improving the sealing effect.
  • Figure 1 is a schematic diagram of the structure of the horizontal lead storage battery of the present invention.
  • Figure 2 is a cross-sectional view of the horizontal lead storage battery of the present invention.
  • Figure 3 is a schematic diagram of the structure of the battery compartment.
  • Figure 4 is a schematic diagram of the structure of the tank cover.
  • Figure 5 is a schematic diagram of the grid structure.
  • Figure 6 is a schematic diagram of the structure of the sealing plate.
  • Figure 7 is a transverse cross-sectional view of the gap of the partition.
  • Figure 8 is a longitudinal sectional view of the gap of the partition.
  • Figure 9 is a schematic diagram of the structure of the pressing plate.
  • Figure 10 is a schematic diagram of the matching structure of the pressure plate and the battery slot.
  • a component when a component is said to be “connected” with another component, it can be directly connected to the other component or there may also be a central component. When a component is considered to be “installed on” another component, it can be directly installed on another component or a centered component may exist at the same time.
  • a horizontal lead storage battery includes a battery tank 2 and a tank cover 1.
  • the battery tank 2 is provided with six horizontally arranged pole groups 4, and both ends of the tank cover 1 are provided with connection terminals 3 .
  • the battery tank 2 is a hollow structure, and a plurality of partitions 21 dividing its inner cavity into six cells 20 are provided inside, and corresponding partitions are also provided inside the corresponding tank cover 1.
  • the edge of the opening of the battery slot 2 and the top edge of the partition plate are provided with a card slot 24, and the edge of the slot cover and the bottom edge of the partition plate are inserted into the card slot 24 and engage to form a sealing structure.
  • the slot 24 is generally filled with sealant to make the two fixedly connected.
  • the two ends of the battery tank 2 are also provided with grooves 23 for holding the end poles, which are connected with the single cells 20 at both ends.
  • the top surface of the tank cover 1 is provided with a cover plate groove 12 and a matching cover plate 11, the bottom surface of the cover plate groove 12 is provided with a liquid injection hole column 15, and the top of the liquid injection hole column 15 is provided with a valve cap 14.
  • a funnel-shaped recess 13 is provided around the injection hole column 15, and adjacent recesses 13 are connected through an exhaust groove.
  • Each pole group 4 consists of a positive plate, a negative plate, and a separator between the two.
  • the number of positive and negative plates can be adjusted according to the battery capacity.
  • the separator can be wrapped in a single plate or a double plate. Wrap, the so-called single-board package refers to only the front panel, and the double-board package only covers both polar plates.
  • the horizontal battery electrode plates of the present invention are placed horizontally. As shown in FIG. 5, the positive and negative plates of adjacent electrode groups pass through the bridge 40. Connect to form a bipolar plate. For example, the positive plate of a pole group is connected to the negative plate of the left pole group, and the negative plate is connected to the positive plate of the right pole group. If there is no pole group on the left or right, it is connected to the end pole. .
  • the partition 21 has a gap 26 for the bridge 40 to pass through.
  • the gap 26 is provided with two oppositely arranged sealing plates 6, and the inner side of the gap 26 is provided with a sliding groove 25 to seal The two sides of the board 6 are snapped into the sliding groove 25 to form a sealed fit, which is also convenient for installation. Since there is inevitably a gap between the sealing plate and the partition, the gap between the two sealing plates 6 communicates with the insertion groove 24, and the sealant 64 is filled inside.
  • the sealing plate 6 is composed of left and right petals.
  • the left petal 61 has a slot
  • the right petal 62 has a convex edge. The convex edge is inserted into the slot to form a sealed fit.
  • the sealing plate 6 also has a plurality of through holes 23 for the bridge 40 to pass through.
  • a bayonet 43 for the left flap 61 and the right flap 62 is provided on both sides of the bridge 40.
  • the pole plates of the other pole groups are all bipolar structures, that is, they include a positive plate 41 and a negative plate 42.
  • the positive and negative plates are located on two adjacent poles.
  • a bridge 40 connecting them is provided in the middle.
  • the grid of the bipolar electrode plate of the present invention is formed by punching and has a mesh structure, and the mesh shape is a regular hexagon.
  • the regular hexagon structure receives uniform force and can avoid the grid from deforming.
  • the bipolar electrode plate of the present invention can adopt the process of continuous casting, continuous rolling, continuous punching, and continuous drawing.
  • the production process of the electrode plate is basically free of lead smoke and lead dust emission, and is environmentally friendly, energy-saving, clean and efficient.
  • the bipolar plate is integrally formed, and there are two bridges between the positive plate and the negative plate of the plate, instead of the traditional way of connecting adjacent electrode groups by welding bus bars and bridges, reducing Manufacturing energy consumption to prevent process pollution.
  • a pressure plate 5 is arranged above each pole group 4.
  • the shape of the pressing plate 5 is adapted to the shape of the single grid, and a reinforcing rib 52 is provided on the surface of its side facing away from the pole group 4 to increase its strength.
  • the pressure plate 5 is also provided with many exhaust holes 53.
  • the edge of the pressing plate 5 is provided with a plurality of spring buckles 51. As shown in FIG. 10, the spring buckles 51 cooperate with the buckle grooves 22 on the inner wall of the single compartment 20 to achieve fixation and facilitate assembly.
  • the end poles are welded to the pole groups 4 on both sides, and the heads pass through the slot cover 1 to form the connection terminals 3.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Gas Exhaust Devices For Batteries (AREA)

Abstract

本发明公开了一种水平铅蓄电池，包括电池槽和槽盖，所述电池槽的内部设置有将其内腔分隔成多个单格的隔板，每个单格内设置有水平放置的极群，相邻极群通过过桥连接，所述隔板具有供过桥通过的缺口，缺口处设置有密封组件，所述密封组件包括两块具有间隙且与所述隔板密封配合的密封板，所述间隙内填充有密封胶。本发明隔板的缺口处设置有两块密封板，两密封板的间隙内填充密封胶，利用密封堵住密封板和隔板之间的微小间隙，从而提高密封效果。

Description

水平铅蓄电池 技术领域
本发明涉及一种铅蓄电池，尤其涉及一种极板水平布置的铅蓄电池。
背景技术
传统的铅蓄电池由多个串接的极群组成，每个极群由间隔设置的正、负极板和设于相邻极板之间的隔板组成，同一极群的极板通过汇流排连接，相邻极群经过桥连接。现有的蓄电池大多都是竖直设置，由于电解液存在分层等问题，导致极板反应不均衡，极板面压降及电流密度不均匀、内阻偏高，大电流、高功率放电性能差，产品寿命短。并且传统的蓄电池在制造过程中，电池内部各种铅零件制造污染、跨桥焊接污染、极群极耳汇流铸焊污染，设备投入多、能耗及人力消耗高等问题。
为解决该问题，如CN205846157U公开了一种铅酸水平电池，包括电池壳体、隔板、电解液和正、负极板，同一极群中上下相邻的正、负极板之间设置隔板，隔壁上沿正、负极板叠放方向开设有连通两侧单体间的缺口，正极板和负极板的侧边分别设有正极耳和负极耳，相邻两个极群之间极耳一一相向对应设置的正极板和负极板通过将它们的极耳连接在一起形成水平式极板。
又如CN103208633A公开了一种水平电池及其制造方法，包括电池壳体和上盖，电池壳体中设有若干电池极群以及阻隔电池极群间电解液流通的分隔件，电池壳体的两端设有连接电池极群的引出端子，电池极群包括交替层叠的正极板和负极板，正极板和负极板之间设有多孔隔板。
传统免维护(贫液式)AGM铅蓄电池，在整个生命周期中，内部的极群一 直是处于被压缩状态，因为只有在这个状态，电解液在压缩的微孔处形成薄膜效应，电池内部氧复合反应，气体才能在不完全饱和的吸液状态下传送，并且有效的压力才能抑制铅支晶生长，防止铅膏脱落，阻止有害杂质离子的迁移，如果压缩状态失效、不均衡，或者压力过小，会造成电池容量衰减过快，电池循环性能过差等问题。
上述文献公开的水平铅酸电池的极板为水平放置，极群的底面贴靠槽底，顶面为悬空，极群与槽体之间不再紧配，导致电池性能下降，另外就是密封件密封性能欠佳或者结构相对较为复杂。
发明内容
本发明提供了一种水平铅酸电池，解决了相邻单格之间密封性能欠佳的问题，并且取消了传统铅酸蓄电池生产过程中极群极耳汇流焊接、跨桥铅零件、焊接或者铸焊工序，避免了传统电池生产过程中的材料、设备及人力投入，降低生产制造能耗，防止制程污染，从而有效的降低了产品生产成本，生产模式更加绿色、高效。
一种水平铅蓄电池，包括电池槽和槽盖，所述电池槽的内部设置有将其内腔分隔成多个单格的隔板，每个单格内设置有水平放置的极群，相邻极群通过过桥连接，所述隔板具有供过桥通过的缺口，缺口处设置有密封组件，其特征在于，所述密封组件包括两块具有间隙且与所述隔板密封配合的密封板，所述间隙内填充有密封胶。
所述密封板两侧与所述缺口的内侧面密封配合。
所述缺口的两内侧面设置有与密封板边沿配合的滑槽。
所述密封板由两瓣拼接而成，并具有供过桥穿过的通孔。所述密封板表面可喷蜡处理，减少进入滑槽的阻力及增加密封板扣合密封有效性。
所述极群的上方设置有与单格的内壁卡接并压紧所述极群的压板。
所述单格的内部设置有扣槽，相应的所述压板的边沿设置有与扣槽配合的弹扣。
所述压板的上表面设置有加强筋。
所述压板上设置有排气孔。
所述极群包括交错叠置的正极板和负极板，相邻极群的正极板和负极板通过过桥连接，构成双极性极板。
所述双极性极板通过冲压形成。
所述双极性极板的板栅为网状结构，网孔为正六边形。
所述槽盖上设置有与单格一一对应设置的注液孔柱以及封盖所述注液孔柱的盖板。
所述槽盖的上表面设置有与盖板配合的盖板槽，所述注液孔柱设于盖板槽内。
所述注液孔柱周围向下凹陷。
所述密封板顶部与隔板齐平或略高于所述隔板。
本发明隔板的缺口处设置有两块密封板，两密封板的间隙内填充密封胶，利用密封堵住密封板和隔板之间的微小间隙，从而提高密封效果。
附图说明
图1为本发明水平铅蓄电池的结构示意图。
图2为本发明水平铅蓄电池的剖面图。
图3为电池槽的结构示意图。
图4为槽盖的结构示意图。
图5为板栅的结构示意图。
图6为密封板的结构示意图。
图7为隔板缺口处的横向剖面图。
图8为隔板缺口处的纵向剖面图。
图9为压板的结构示意图。
图10为压板与电池槽的配合结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
需要说明的是，当组件被称为与另一个组件“连接”时，它可以直接与另一个组件连接或者也可以存在居中的组件。当一个组件被认为是“设置于”另一个组件，它可以是直接设置在另一个组件上或者可能同时存在居中组件。
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是在于限制本发明。本文所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
如图1-2所示，一种水平铅蓄电池，包括电池槽2和槽盖1，电池槽2的内部设置有六个水平设置的极群4，槽盖1的两端设置有接线端子3。
如图3所示，电池槽2为中空结构，内部设置有若干将其内腔分隔成六个单格20的隔板21，相应槽盖1的内部也设置有对应的隔板。电池槽2的开口边沿及隔板顶沿设置有卡槽24，槽盖的边沿及其隔板的底沿插入卡槽24内，咬合形成密封结构。卡槽24内一般还填充有密封胶，使两者固定连接。电池槽2的两端还设置有安放端极柱的凹槽23，与两端的单格20连通。
如图4所示，槽盖1的顶面设置有盖板槽12以及相配合的盖板11，盖板槽12的底面设置有注液孔柱15，注液孔柱15顶端设置有阀帽14，注液孔柱15的周围具有漏斗型的凹陷13，相邻凹陷13通过排气槽连通。
每个极群4由正极板、负极板以及两者之间的隔板组成，正、负极板的数量由可以根据电池容量的大小进行调整，隔板可以采用单板包裹，也可以采用双板包裹，所谓单板包裹是指仅仅包裹正板，双板包裹只是两种极板都包裹。
为避免由于电解液分层导致极板各处反应不均匀带来的问题，本发明的水平电池极板为水平放置，如图5所示，相邻极群的正、负极板通过过桥40连接，构成双极性极板，如一极群的正极板与左边的极群的负极板连接，负极板与右边极群的正极板连接，如果左边或右边没有极群，则与端极柱连接。
如2、7和8所示，隔板21上具有供过桥40穿过的缺口26，缺口26内设置有两个对立设置的密封板6，缺口26的内侧面设置有滑槽25，密封板6的两侧沿卡入滑槽25内，形成密封配合，也方便安装。因密封板和隔板之间不可避免具有缝隙，两密封板6之间的间隙与嵌槽24连通，并且内部填充有密封胶64。
为了方便安装，密封板6由左、右两瓣组成，左瓣61具有卡槽，右瓣62具有凸棱，凸棱插入卡槽内，咬合形成密封配合。密封板6还具有若干供过桥40穿过的通孔23，为了避免漏胶，过桥40的两侧设置有左瓣61和右瓣62配合的卡口43。
如图6所示，除边上的极群外，其余极群的极板都是双极性结构，即包括一个正极板41和一个负极板42，正、负极板位于相邻的两个极群4中，中间设置有连接它们的过桥40。本发明双极性极板的板栅通过冲压形成，为网状结构，且网孔形状为正六边形，正六边形结构受力均匀，可以避免板栅发生形变。
本发明所述的双极性极板可以采用连铸、连扎、连冲、连图的工艺，极板生产过程基本无铅烟、铅尘排放，环保节能、清洁、高效。
其中一些实施例中，双极性极板一体成型，极板的正极板和负极板之间具有两个过桥，替代了传统相邻极群通过焊接汇流排和过桥连接的方式，降低了制造能耗，防止制程污染。
如图2所示，为了让极群具有一定的装配压力，每个极群4的上方设置有压板5。如图9所示，压板5的形状与单格形状相适应，其背对极群4的一侧表面设置有加强筋52,可以增加其强度。为了便于排气和注液，压板5上还设置许多排气孔53。压板5的边沿设置有多个弹扣51，如图10所示，弹扣51与单格20的内壁上的扣槽22配合，实现固定，也便于装配。
端极柱与两边的极群4焊接，头部穿出槽盖1形成接线端子3。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。不同实施例中的技术特征体现在同一附图中时，可视为该附图也同时披露了所涉及的各个实施例的组合例。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改 进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (15)

  1. 一种水平铅蓄电池，包括电池槽和槽盖，所述电池槽的内部设置有将其内腔分隔成多个单格的隔板，每个单格内设置有水平放置的极群，相邻极群通过过桥连接，所述隔板具有供过桥通过的缺口，缺口处设置有密封组件，其特征在于，所述密封组件包括两块具有间隙且与所述隔板密封配合的密封板，所述间隙内填充有密封胶。
  2. 如权利要求1所述的水平铅蓄电池，其特征在于，所述密封板两侧与所述缺口的内侧面密封配合。
  3. 如权利要求2所述的水平铅蓄电池，所述缺口的两内侧面设置有与密封板边沿配合的滑槽。
  4. 如权利要求1-3任一所述的水平铅蓄电池，其特征在于，所述密封板由两瓣拼接而成。
  5. 如权利要求1所述的水平铅蓄电池，其特征在于，所述极群的上方设置有与单格的内壁卡接并压紧所述极群的压板。
  6. 如权利要求5所述的水平铅蓄电池，其特征在于，所述单格的内部设置有扣槽，相应的所述压板的边沿设置有与扣槽配合的弹扣。
  7. 如权利要求5所述的水平铅蓄电池，其特征在于，所述压板的上表面设置有加强筋。
  8. 如权利要求5所述的水平铅蓄电池，其特征在于，所述压板上设置有排气孔。
  9. 如权利要求1所述的水平铅蓄电池，其特征在于，所述极群包括交错叠置的正极板和负极板，相邻极群的正极板和负极板通过过桥连接，构成双极性极板。
  10. 如权利要求9所述的水平铅蓄电池，其特征在于，所述双极性极板通 过冲压形成。
  11. 如权利要求9或10所述的水平铅蓄电池，其特征在于，所述双极性极板的板栅为网状结构，网孔为正六边形。
  12. 如权利要求1所述的水平铅蓄电池，其特征在于，所述槽盖上设置有与单格一一对应设置的注液孔柱以及封盖所述注液孔柱的盖板。
  13. 如权利要求12所述的水平铅蓄电池，其特征在于，所述槽盖的上表面设置有与盖板配合的盖板槽，所述注液孔柱设于盖板槽内。
  14. 如权利要求12所述的水平铅蓄电池，其特征在于，所述注液孔柱周围向下凹陷。
  15. 如权利要求1所述的水平铅蓄电池，其特征在于，所述密封板顶部与隔板齐平或略高于所述隔板。
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