CN1589508A - 镍氢电池 - Google Patents
镍氢电池 Download PDFInfo
- Publication number
- CN1589508A CN1589508A CNA028229649A CN02822964A CN1589508A CN 1589508 A CN1589508 A CN 1589508A CN A028229649 A CNA028229649 A CN A028229649A CN 02822964 A CN02822964 A CN 02822964A CN 1589508 A CN1589508 A CN 1589508A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- plastic seal
- battery
- seal
- cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- H01M10/04—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
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
- H01M10/044—Small-sized flat cells or batteries for portable equipment with bipolar electrodes
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
- H01M10/24—Alkaline accumulators
- H01M10/28—Construction or manufacture
- H01M10/281—Large cells or batteries with stacks of plate-like electrodes
- H01M10/282—Large cells or batteries with stacks of plate-like electrodes with bipolar electrodes
-
- 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
- H01M10/34—Gastight accumulators
- H01M10/345—Gastight metal hydride accumulators
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical cells
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/08—Hybrid cells; Manufacture thereof composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
-
- 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 of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or structure
-
- 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 of a single cell or a single battery
- 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 of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/191—Inorganic material
-
- 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 of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/193—Organic material
-
- 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 of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/195—Composite material consisting of a mixture of organic and inorganic materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/028—Sealing means characterised by their material
- H01M8/0284—Organic resins; Organic polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0286—Processes for forming seals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04052—Storage of heat in the fuel cell system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
- H01M8/04208—Cartridges, cryogenic media or cryogenic reservoirs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/065—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by dissolution of metals or alloys; by dehydriding metallic substances
-
- 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
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49107—Fuse making
Abstract
一种组合式镍氢电池系统,包括一个贮氢室(130)和一个与贮氢室呈流体连通的电池组(120)。该电池组(120)具有多个电化学电池,每个电池具有一个集流盘(104)和一个固定包住集流盘周边的塑料密封件(102),该塑料密封件可采用多种方法固定在集流盘上,但是最好采用注射成型法固定包住集流盘的周边。然后将集流盘/密封件组合的半组装件相互层叠并使密封件连接在一起而成为一个整体密封件。电极和隔板是在连接之前安置在集流盘之间的,上述电极和隔板最好做成双极电池结构。
Description
技术领域
本发明涉及电化学电池,更具体地说,本发明涉及用于电化学电池和电池组的改进的结构和密封,这种改进的结构和密封特别适用于组合式镍氢电池。
背景技术
US No.4396114、5047301、5250368、5419981、5532074、5688611和6042960分别公开了组合式镍氢电池系统的各个方面。正如USNo.6042960总体说明的和图1所示的那样,镍氢电池系统可具有一个贮氢部分10和电化学电池组件12例如镍氢电池组件,该组件具有正电极14和负电极16。正如下面进一步说明的,电化学电池组件12具有多个层叠的电化学电池。电池组件12与具有由壳体壁19构成的贮氢室18的贮氢部分呈流体连通状态。这种流体连通通常由管道20来实现。因此,管道20成为通过电池系统的氢气传输通道。在贮氢室18内装有贮氢材料50例如金属氢化物粉粒。正如US No.4396114所公开的,贮氢部分10还可设置一种弹簧机构24,以形成一条流体通道,使氢气更快地散布到整个贮氢材料50中。上述的参考专利还公开了沿电池组12与贮氢部分10之间的通道设置的附加止回阀和其他构件。
放电时,电池组12从贮氢室内的金属氢化物贮氢材料中抽出氢气。再充电时,氢气沿相反方向从电池组12流向贮氢室18,在这里氢气与金属氢化物发生反应而贮存起来,直到电池组件12重新开始放电为止。
当氢气从贮氢室流到电池组时,贮氢室冷却,而电化学电池组温度升高。贮氢室冷却减慢了氢气从贮存氢的金属氢化物放出的速度。若不对贮氢室添加热能,电池系统将停止工作。若要增大对电池系统的电力需求量,就要更快速地提供更多的氢气。这种氢气的可用性及可用速度取决于热流是否正确地返回到贮氢部分。然而,现有技术的组合式镍氢电池系统没有足够的和合适的装置来保证对贮氢室正确地加热。因此,需要对组合式镍氢电池系统的结构进行改进以保证对贮氢室进行正确的加热。
图2示出现有技术的镍氢电池组12的结构细节的实例。一般而言,如图所示,电池组12具有通过长螺栓80连接在一起的端板60和65,在端板60与65之间固定有一个或多个集流板24,集流板24上设有可供长螺栓80滑动穿过的孔28。一般说来,集流板24位于电池组12内各电池之间,各电池具有一个氢扩散栅板22、一个通常由含铂的材料制成的负电极16、一个可浸泡在KOH中的玻璃纤维隔板19、和一个可由Ni(OH)2制成的正电极14。在每个集流板24与端板60和65之间设置有密封件70。在密封件70的端部内设置的槽中安置环形垫圈74和78以保证可靠的密封。通过一个端板还设置有入口孔56与管道20相连接以便引入和排出氢气。这里不再叙述其他细节,但在USP No.5419981已公开过,其全部内容纳入本文作为参考。
本专业的技术人员都会明白,图2所示的电池组的结构是相当复杂的,并且不特别适合大批生产。另外,电池组的密封对于长寿命电池系统来说是关键,电池组的密封保持在电池组内的所需电解液可以在电极之间进行离子传输(质量传输)。而且这种密封还应足以阻止电池组内的电池所产生和消耗的氢气的漏泄。图2所示的密封件70是伸缩软管状的,以便使电池在充电和放电时可沿纵向膨胀和收缩。这种伸缩软管是柔性材料制成的,不特别适合于热的传导。
发明内容
按照本发明的第一方面,提供了一种电化学电池,包括:多个电池元件,电池元件包括至少一个正电极、一个负电极、一个隔板和一个集流板;和一个固定包着至少一个电池元件周边的塑料密封件。
按照本发明的另一方面,提供了一种电化学电池组,包括有多个电化学电池,每个电化学电池具有:多个电池元件,电池元件包括至少一个正电极、一个负电极、一个隔板和一个集流板;和一个固定包着至少一个电池元件周边的塑料密封件,其中,上述塑料密封件互相连接在一起。
按照本发明的又一方面,提供了一种制造双极电化学电池的方法,包括下列步骤:提供至少一个双极电化学电池的电池元件,该电池元件软为平坦,并带有周边;将一个塑料密封件固定包着上述电池元件的周边。
按照本发明的又一方面,提供了一种构造双极电化学电池构件的方法,包括如下步骤:将至少一个双极电池元件置于模腔内,所述电池元件从正电极、负电极、隔板和集流板中选出,然后在上述模腔内注射成型塑料密封件从而使塑料密封件与上述电池元件相连接。
按照本发明的又一方面,提供了一种制造电池组的方法包括如下步骤:提供至少两个电化学电池,每个电池具有沿其周边的至少一部分延伸的塑料密封件;然后将上述电化学电池的塑料密封件连接在一起。
按照本发明的又一方面,提供了一种电化学电池的密封件是由塑料加一种填料制成的,所述填料的导热性比塑料的导热性高。
按照本发明的又一方面,提供了一种组合式镍氢电池系统,包括:一个壳体;一个设置在壳体内的贮氢室;和一个设置在壳体内并与贮氢室流体连通的镍氢电池组,其中,放电时,电池组产生热能,上述热能存留在壳体内,以便在放电时加热贮氢室。
按照本发明的又一方面,提供了一种操作组合式镍氢电池系统的方法,包括如下步骤:提供一种在放电时会产生热能的镍氢电池组;使贮氢室与上述镍氢电池组呈流体连通状态;和将贮氢室置于镍氢电池组近旁,以便使上述的放电时产生的热能可加热贮氢室。
本专业的技术人员将通过参看下列说明书、权利要求书和附图更进一步理解和明白本发明的上述的和其他的特征、优点和目的。
附图说明
附图中:
图1是普通组合式镍氢电池系统的简单剖视图;
图2是图1所示镍氢电池系统的普通电池段的剖视图;
图3是用于本发明电池系统的电化学电池元件的顶视平面图;
图4是沿图3的IV-IV线剖切的电池元件的横剖视图;
图5是图3和4所示的呈层叠排列的多个元件的剖视图;
图6是按本发明构造的组合式镍氢电池系统的简单视图;
图7是按本发明第二实施例的电池元件的透视图;
图8是按本发明第三实施例的电池元件的透视图;
图9是按本发明第四实施例的电池元件的透视图;
图10是沿图9的X-X线的电池元件的局部剖视图;
图11是沿图9的XI-XI线的电池元件的局部剖视图。
具体实施方式
按照本发明的一个方面,本发明总的涉及对镍氢电池系统的贮氢室的加热方法上的改进。具体地说,公开了一种改进的新型密封结构,该密封结构可在放电过程中将产生的热量从电池组传递给贮氢室。改进的密封结构还使得结构的制造变得简单因而降低成本。
本发明的镍氢电池系统通常具有图1所示的特征,并具有层叠的电池结构,这种结构包括类似于图2所示和上面所说明的现有技术结构的多个电池元件。但是,本发明在端板60与65之间层叠和密封电池组的电化学电池元件的方法上有所不同。正如在下文将详述的那样,将一个塑料密封件固定到每个电池的至少一个其他元件的周边上。每个电池的塑料密封件安置成可使电池元件相互对准并可随后将密封件连接或者说粘接到上述的其他元件上而形成一种不漏气且不漏水的整体密封件,以便防止氢气和电解液漏泄,即使在高压下也如此。
图3是按本发明第一实施例构造的电化学电池的顶视平面图。如图所示,电池元件具有一个圆环形的塑料密封件102,该密封件102环绕电化学电池的至少一个其他元件的至少一部分周边伸出,在本实施例中,上述的其他元件是盘状的通常由镍制成的集流盘104,如图3所示,通过每个集流盘104钻有孔106,用来使层叠的集流盘彼此定向和对准。
图4示出沿图3的IV-IV线的剖视图,图中示出,塑料密封件102基本上是平的,它带有一个固定集流板104的周边的槽。塑料密封件102具有一个带角度的裙缘108,在该裙缘的末端做出一个沿径向的凸肩110,在密封件102的末端和最外边缘处沿与凸肩110相反方向又伸出一个相应的凸块112。如图9所示,每个密封件102的凸块112装入邻接的密封件102上的径向凸肩110内,这样,多个密封件102便可以以互锁的方式彼此层叠在一起。
如图5所示,密封件102支承着集流盘104,使它们相互平行又互相隔开。这些电池元件按图5的方式相层叠时,电化学电池的其他元件便置于每对相邻的集流盘104之间。
可采用各种技术将环形的塑料密封件102与集流盘104相连接。例如,环形塑料密封件102可用注射成型法包住集流盘104。另一种方法是模压出其圆周上带有凸缘的塑料环件,上述的凸缘可以压在镍的周围,成为组装时的密封件。上述的凸缘可用特氟隆制成,并可模压在集流盘上。另外,塑料密封件102可做成带有平行于其中心纵向轴线沿轴向延伸的散热柱,并在集流盘上做出与每个散热柱相对应的孔,然后采用超声焊接法或热熔法使散热柱变形,另外还可采用粘结连接或化学连接法。还有一种方法是用压缩密封,使零件挤压在一起而保持接触。然而,最佳方法还是通过注射成型包在集流盘104的圆周上而制成密封件102的方法。
塑料密封件102最好采用其热膨胀系数与制造集流盘104的材料相匹配的材料来制造。当采用镍制集流盘104时,适用于制造密封件的材料有:聚苯撑硫(PPS)、丙烯腈-丁二烯-苯乙烯三元共聚物(ABS)、聚丙烯(PP)、PSU、PEEK、聚四氟乙烯(Teflon特氟隆)和高密度聚乙烯(HDPE),其中,聚丙烯(PP)是目前的优选材料。
在一个优选实施例中,将塑料密封件102做成在塑料中加入一种填料以使其环形部分具有更好的导热性。可与上述塑料一起用的合适的导热填料应具有高于所用塑料的导热性,这类填料有氮化硼、氮化铝、氧化铝和氧化硅。借助制成导热塑料的密封件,有助于移出电池组在化学反应时产生的热量。下面进一步说明传出上述热量的具体方法。
采用上述的导热塑料密封件可使电池系统具有更优地以高能和高速放电,具体地说,在基本的电池化学反应中温度起到重要作用,它可显著降低电池性能、循环寿命和成本。相反地,若最佳地控制化学反应内的温度,会使化学系统内达到最好的性能,因此,重要的是要了解环境温度对电池性能的影响、要了解电池系统内的发热装置和发热源,并了解工作温度对电池性能的影响,因为它涉及充电容许量、放电效率、电池重量和电池成本。
如上所述以及再结合图6所说明的那样,当氢气从贮氢室130流至电池组120时,贮氢室130冷却,而电池组120温度升高。贮氢室130冷却减慢了氢气从贮存氢的金属氢化物中散出。若不对贮氢室130添加热量,电池系统将基本上停止工作。当增大对电池系统的电力需求量时,电化学电池组120便需要更多的更快速的氢气流,这种氢气流的可用性和可用速度取决于返回到贮氢室130的合适的热流。利用本发明的导热塑料密封件和贮氢室130与电池组120之间的空气流动,可使电池组120产生的热量传回到贮氢室130,以提供高能电池性能所需的热能。
为了进一步说明发生热传导的方式,请参看图6。如图所示,贮氢室130和电池组都装在同一壳体140内。在现有技术中,这两部分通常是不装在同一壳体内的。上述壳体140用于使电池组120产生的热量可抵达贮氢室130,并使两者与周围环境的温度较好地隔绝。在壳体140的侧壁上适宜地安装一个风扇150,将壳体外面的空气吹过电池组120的外表面(包括其导热塑料密封件)而吹向贮氢室130。在壳体140的另一侧壁上开有排气孔152用于调节气流。贮氢室130内最好设置有由导热材料制成的内装金属氢化物的长的圈形管。上述风扇150最好能提供0.7CFN的气流。应用上述的结构,塑料密封件将至少通过大约1.2W/mK的来自电池组120的热能,这部分热能可以按上述的方式传递给贮氢室130。
再返回参看图5,围绕集流盘104的圆周固定好塑料密封件102后,便将与电池组的各个电池相对应的密封件彼此堆叠在彼此的上面而成上述构件。图5示出这种结构的剖视图。将密封件102堆叠后,可通过加热将密封件熔合在一起而成为一种连续的整体的密封组件。上述加热应达到高于制造密封件102的塑料表面熔化的温度,以便在每个密封件之间形成强制连接。当使用聚丙烯作为塑料密封件的材料时,上述连接层的厚度至少要0.030英寸才能正确地密封电池层叠件。所形成的整体密封件足以阻止电解液漏出电池之外。最好用火焰作为热源来加热密封件。其他的热源包括单管燃烧室、炉子或其他形式的辐射热源如红外线或紫外线装置。
然而,应当注意,还可用其他的方法包括粘接、胶合、溶剂或化学熔化法来连接或接合密封件102。
图7和8分别是上述结构的两个不同实施例的透视图。具体地说,上述两个实施例都具有环形的塑料密封件202,它们均有多个凸片206和槽208以便通过机械方法使相邻密封件互锁在一起。这种结构足以使密封件固定在一起,但是,最好还是通过加热使相邻的密封件202强制连接在一起。
图9~11示出本发明的又一个实施例,在该实施例中,环形塑料密封件302做成具有一个或多个弹簧状的机构310,以便使结构内的电化学电池可以热膨胀和收缩。
虽然上面说明本发明的特征在于将塑料密封件固定到集流盘上,但是,上述密封件也可固定到其他电池元件例如负电极、正电极、隔板、气体扩散膜片上,或这些电池部件的任何组合件上。例如,密封件可固定到一个完整的或局部完整的双极电池层叠件上。
还应注意,本发明对于上述的电极、隔板、集流盘和气体扩散膜片不限制其用任何具体材料,任何普通的材料都可以使用。
虽然上面的说明是关于本发明应用于组合式镍氢电池系统,但是,本发明的某些方面也可应用于具有其他化学性质的其他电化学电池,例如,对每个电池设置塑料密封件随后使电池连接和层叠在一起的结构可用于锂离子电池、耐酸铅电池、和镍金属氢化物电池。另外,上面所述的应用导热密封件的结构可以用在锂离子电池和任何高能电池系统包括高能耐酸铅电池系统。
上面的说明仅应看作是优选实施例的内容。本专业技术人员以及实施和应用本发明的人们将可对本发明进行各种改进。因此,应当明白,在附图中示出的和上面文字说明的实施例只是为了示范的目的,无意以此限制本发明的范围,本发明的范围将按照对于专利法及相当文件的原则的认识由下列各项权利要求来规定。
Claims (29)
1.一种电化学电池,包括:
多个电池元件,电池元件包括:至少一个正电极、一个负电极、一个隔板、和一个集流板;和
一个固定包着至少一个上述的电池元件的周边的塑料密封件。
2.根据权利要求1的电化学电池,其特征在于,上述的塑料密封件含有塑料和填料,该填料的导热性高于上述的塑料。
3.根据权利要求1的电化学电池,其特征在于,上述的电池元件是双极电化学电池元件。
4.根据权利要求1的电化学电池,其特征在于,上述的电池元件是镍氢电化学电池元件。
5.根据权利要求1的电化学电池,其特征在于,上述的塑料密封件与集流板相连接。
6.根据权利要求1的电化学电池,其特征在于,至少一个与塑料密封件相连接的电池元件是盘状件,上述的塑料密封件是环形件,并环绕在上述的至少一个电池元件的圆周上。
7.一种电化学电池组,包括:
多个电化学电池,每个电化学电池包括:
多个电池元件,电池元件包括至少一个正电极、一个负电极、一个隔板和一个集流板;和一个固定包着至少一个上述的电池元件的周边的塑料密封件,
其中,上述的塑料密封件互相连接在一起。
8.根据权利要求7的电池组,其特征在于,上述的塑料密封件通过加热互相连接在一起。
9.根据权利要求7的电池组,其特征在于,上述的塑料密封件采用化学方法互相连接在一起。
10.根据权利要求7的电池组,其特征在于,上述的塑料密封件互相粘接在一起。
11.根据权利要求7的电池组,其特征在于,上述的塑料密封件与电化学电池的集流板相连接。
12.根据权利要求7的电池组,其特征在于,至少一个与上述塑料密封件相连接的电池元件是盘状件,上述的塑料密封件是环形件,并环绕在上述至少一个电池元件的圆周上。
13.根据权利要求7的电池组,其特征在于,上述的塑料密封件含有塑料和填料,该填料的导热性高于上述塑料的导热性。
14.根据权利要求7的电池组,其特征在于,上述的电池元件是双电极电化学电池元件。
15.根据权利要求7的电池组,其特征在于,上述的电池元件是镍氢电化学电池元件。
16.一种制造双极电化学电池的方法,包括如下步骤:
提供至少一个双极电池的电化学电池元件,该电池元件是较为平坦的,并带有周边;和
将塑料密封件固定包住上述电池元件的周边。
17.根据权利要求16的方法,其特征在于,上述的固定塑料密封件的步骤包括将塑料密封件注射成型包住电池元件的周边。
18.根据权利要求16的方法,其特征在于,上述的电池元件是盘状件,上述的塑料密封件是环形件,该环形件固定包住上述盘状电池元件的周边。
19.一种制造双极电化学电池构件的方法,包含如下步骤:
将双极电池元件即正电极、负电极、隔板和集流板中的至少一个置于一个模腔内;和
在上述模腔内注射模压塑料密封件,从而将塑料密封件与上述电池元件相连接。
20.一种制造电池组的方法,包含如下步骤:
提供至少两个电化学电池,每个电池具有一个沿电化学电池周边的至少一部分延伸的塑料密封件;和
将上述的电化学电池的塑料密封件相连接。
21.一种用于电化学电池的密封件,具有一个由加有填料的塑料制成的密封件,所述填料的导热性高于塑料的导热性。
22.一种具有权利要求21所述的密封件的电化学电池。
23.一种具有权利要求21所述的密封件的镍氢电化学电池。
24.一种组合式镍氢电池系统,包括:
一个壳体;
一个设置在上述壳体内的贮氢室;
一个设置在上述壳体内并与上述贮氢室呈流体连通的镍氢电池组;
其中,上述电池组在放电时产生热能,上述的热能存留在上述壳体内,以便在放电时加热上述的贮氢室。
25.根据权利要求24的组合式镍氢电池系统,其特征在于,还具有一个风扇,用于使上述电池组外面的空气向着上述贮氢室流动。
26.根据权利要求24的组合式镍氢电池系统,其特征在于,上述的电池组具有一个由加有填料的塑料制成的塑料密封件,所述的填料具有高于塑料的导热性。
27.根据权利要求26的组合式镍氢电池系统,其特征在于,上述的塑料密封件设成为上述电池组的外表面。
28.一种操作组合式镍氢电池系统的方法,包括如下步骤:
提供一个在放电时会产生热能的镍氢电池组;
提供一个与上述镍氢电池组流体连通的贮氢室;和
将上述贮氢室置于上述镍氢电池组近旁,以便使放电时产生的热能加热上述贮氢室。
29.根据权利要求28的方法,其特征在于,还包括如下步骤:将上述贮氢室和上述镍氢电池组置于同一壳体内。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32798001P | 2001-10-09 | 2001-10-09 | |
US60/327,980 | 2001-10-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1589508A true CN1589508A (zh) | 2005-03-02 |
Family
ID=23278956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA028229649A Pending CN1589508A (zh) | 2001-10-09 | 2002-10-09 | 镍氢电池 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20060003223A1 (zh) |
EP (1) | EP1451883A1 (zh) |
JP (1) | JP2005506658A (zh) |
KR (1) | KR20050034595A (zh) |
CN (1) | CN1589508A (zh) |
CA (1) | CA2463529A1 (zh) |
MX (1) | MXPA04003347A (zh) |
NZ (1) | NZ532311A (zh) |
WO (1) | WO2003032416A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103219564A (zh) * | 2013-03-20 | 2013-07-24 | 钱志刚 | 双极性氢镍电池装置 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008541353A (ja) | 2005-05-03 | 2008-11-20 | ランディー オッグ, | バイポーラ電気化学二次電池 |
JP4775226B2 (ja) * | 2006-10-24 | 2011-09-21 | トヨタ自動車株式会社 | 蓄電装置の製造方法 |
EP2518790B1 (en) * | 2007-02-12 | 2015-01-21 | Randy Ogg | Stacked constructions for electrochemical batteries |
JP5597541B2 (ja) | 2007-10-26 | 2014-10-01 | ジー4 シナジェティクス, インコーポレイテッド | 電気化学電池のための皿形状の圧力均一化電極 |
JP4562100B2 (ja) | 2008-03-14 | 2010-10-13 | 株式会社沖データ | レンチキュラーレンズ媒体 |
DE102008061277A1 (de) * | 2008-12-10 | 2010-06-24 | Conti Temic Microelectronic Gmbh | Energiespeicher |
EP2392039A1 (en) * | 2009-01-27 | 2011-12-07 | G4 Synergetics, Inc. | Variable volume containment for energy storage devices |
CN102460814A (zh) * | 2009-04-24 | 2012-05-16 | G4协同学公司 | 具有串联及并联电耦接的单极和双极型电池的储能器件 |
FR2993710B1 (fr) * | 2012-07-17 | 2014-08-15 | Commissariat Energie Atomique | Batterie li-ion bipolaire a etancheite amelioree et procede de realisation associe |
EP3977550A1 (en) | 2019-05-24 | 2022-04-06 | Advanced Battery Concepts, LLC | Battery assembly with integrated edge seal and methods of forming the seal |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3990910A (en) * | 1972-05-31 | 1976-11-09 | Tyco Laboratories, Inc. | Nickel-hydrogen battery |
US3867199A (en) * | 1972-06-05 | 1975-02-18 | Communications Satellite Corp | Nickel hydrogen cell |
JPS5231330A (en) * | 1975-05-15 | 1977-03-09 | Yuasa Battery Co Ltd | Method of producing layerrbuilt battery |
US4159367A (en) * | 1978-06-29 | 1979-06-26 | Yardney Electric Corporation | Hydrogen electrochemical cell and rechargeable metal-hydrogen battery |
US4396114A (en) * | 1981-09-21 | 1983-08-02 | Mpd Technology Corporation | Flexible means for storing and recovering hydrogen |
US4567119A (en) * | 1984-03-12 | 1986-01-28 | Hughes Aircraft Company | Nickel-hydrogen bipolar battery |
JPS6119055A (ja) * | 1984-07-04 | 1986-01-27 | Matsushita Electric Ind Co Ltd | 有機電解質電池 |
USRE34588E (en) * | 1987-11-17 | 1994-04-19 | Hong; Kuochih | Hydrogen storage hydride electrode materials |
US5047301A (en) * | 1989-03-31 | 1991-09-10 | Ergenics Power Systems, Inc. | High temperature battery and system utilizing same |
US5250368A (en) * | 1992-11-19 | 1993-10-05 | Ergenics, Inc. | Extended cycle-life metal hydride battery for electric vehicles |
US5279624A (en) * | 1992-11-27 | 1994-01-18 | Gould Inc. | Solder sealed solid electrolyte cell housed within a ceramic frame and the method for producing it |
US5429643A (en) * | 1993-06-02 | 1995-07-04 | Gnb Battery Technologies Inc. | Method of assembling a bipolar lead-acid battery and the resulting bipolar battery |
US5393617A (en) * | 1993-10-08 | 1995-02-28 | Electro Energy, Inc. | Bipolar electrochmeical battery of stacked wafer cells |
US5419981A (en) * | 1993-11-01 | 1995-05-30 | Ergenics, Inc. | Hydrogen electrochemical cell housing |
US5688611A (en) * | 1994-06-27 | 1997-11-18 | Ergenics, Inc. | Segmented hydride battery including an improved hydrogen storage means |
US5532074A (en) * | 1994-06-27 | 1996-07-02 | Ergenics, Inc. | Segmented hydride battery |
JP3486968B2 (ja) * | 1994-08-26 | 2004-01-13 | 株式会社ユアサコーポレーション | 積層電池の製造方法 |
JPH0878291A (ja) * | 1994-08-31 | 1996-03-22 | Hyogo Nippon Denki Kk | 電気二重層コンデンサおよびその製造方法 |
JPH09298067A (ja) * | 1996-03-08 | 1997-11-18 | Hitachi Maxell Ltd | ニッケル水素積層形組電池 |
US6017653A (en) * | 1996-03-11 | 2000-01-25 | Gnb Technologies, Inc. | Method of manufacturing modular molded components for a bipolar battery and the resulting bipolar battery |
JP3070474B2 (ja) * | 1996-03-28 | 2000-07-31 | 日本電気株式会社 | 電気二重層コンデンサ及びその製造方法 |
US6042960A (en) * | 1997-10-15 | 2000-03-28 | Ergenics, Inc. | Automatic water vapor density control of hydrogen gas |
JP4122647B2 (ja) * | 1999-09-09 | 2008-07-23 | 株式会社明電舎 | 電気二重層キャパシタ及びその製造方法 |
-
2002
- 2002-10-09 CA CA002463529A patent/CA2463529A1/en not_active Abandoned
- 2002-10-09 EP EP02769037A patent/EP1451883A1/en not_active Withdrawn
- 2002-10-09 JP JP2003535276A patent/JP2005506658A/ja active Pending
- 2002-10-09 KR KR1020047005225A patent/KR20050034595A/ko active IP Right Grant
- 2002-10-09 CN CNA028229649A patent/CN1589508A/zh active Pending
- 2002-10-09 NZ NZ532311A patent/NZ532311A/en unknown
- 2002-10-09 US US10/492,489 patent/US20060003223A1/en not_active Abandoned
- 2002-10-09 WO PCT/US2002/032408 patent/WO2003032416A1/en not_active Application Discontinuation
- 2002-10-09 MX MXPA04003347A patent/MXPA04003347A/es unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103219564A (zh) * | 2013-03-20 | 2013-07-24 | 钱志刚 | 双极性氢镍电池装置 |
CN103219564B (zh) * | 2013-03-20 | 2015-05-27 | 钱志刚 | 双极性氢镍电池装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2003032416A1 (en) | 2003-04-17 |
US20060003223A1 (en) | 2006-01-05 |
JP2005506658A (ja) | 2005-03-03 |
NZ532311A (en) | 2005-03-24 |
MXPA04003347A (es) | 2005-01-25 |
EP1451883A1 (en) | 2004-09-01 |
KR20050034595A (ko) | 2005-04-14 |
CA2463529A1 (en) | 2003-04-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11165088B2 (en) | Button battery and manufacturing method therefor | |
US5663007A (en) | Sealed storage battery and method for manufacturing the same | |
CN1589508A (zh) | 镍氢电池 | |
KR100901568B1 (ko) | 연료전지용 금속분리판의 제조방법 | |
US7842416B2 (en) | Rechargeable battery having a cap assembly | |
JP5970379B2 (ja) | 軽量なバイポーラ式密閉形鉛蓄電池およびその方法 | |
CN101312238B (zh) | 电池组 | |
JP2007184270A (ja) | リチウム二次電池 | |
CA2115871A1 (en) | Method of assembling a bipolar lead-acid battery and the resulting bipolar battery | |
JP2020511747A (ja) | パウチ型二次電池 | |
JP2022068139A (ja) | ベンティング装置 | |
CN1539173A (zh) | 矩形密闭式电池 | |
KR20100033831A (ko) | 전지 셀 및 전지 셀을 구비한 전지 팩 | |
CN113921896A (zh) | 一种叠片式大容量锂电池 | |
JPH01294365A (ja) | 燃料電池の冷却板構造 | |
KR101305242B1 (ko) | 신규한 구조의 이차전지 | |
CN212209680U (zh) | 组合电芯及具有其的电池 | |
WO2021039957A1 (ja) | 蓄電モジュール | |
EP0692838B1 (en) | method for manufacturing a sealed storage battery | |
CN110474013B (zh) | 制备电池极耳封装结构的方法以及制备锂电池的方法 | |
AU2002332094A1 (en) | Nickel hydrogen battery | |
CN219350549U (zh) | 一种防爆阀及电池盖板 | |
WO2023100724A1 (ja) | 蓄電モジュール | |
CN219739093U (zh) | 一种单极柱电池盖板 | |
CN220065989U (zh) | 电池壳体及电池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
AD01 | Patent right deemed abandoned | ||
C20 | Patent right or utility model deemed to be abandoned or is abandoned |