DE102006054309A1 - Battery cell with contact element arrangement - Google Patents

Battery cell with contact element arrangement

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Publication number
DE102006054309A1
DE102006054309A1 DE102006054309A DE102006054309A DE102006054309A1 DE 102006054309 A1 DE102006054309 A1 DE 102006054309A1 DE 102006054309 A DE102006054309 A DE 102006054309A DE 102006054309 A DE102006054309 A DE 102006054309A DE 102006054309 A1 DE102006054309 A1 DE 102006054309A1
Authority
DE
Germany
Prior art keywords
contact element
element
means
secondary
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.)
Withdrawn
Application number
DE102006054309A
Other languages
German (de)
Inventor
Dieter Teckhaus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Li Tec Battery GmbH
Original Assignee
Dieter Teckhaus
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dieter Teckhaus filed Critical Dieter Teckhaus
Priority to DE102006054309A priority Critical patent/DE102006054309A1/en
Publication of DE102006054309A1 publication Critical patent/DE102006054309A1/en
Application status is Withdrawn legal-status Critical

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/0413Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • H01M10/0585Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2/00Constructional details or processes of manufacture of the non-active parts
    • H01M2/20Current conducting connections for cells
    • H01M2/22Fixed connections, i.e. not intended for disconnection
    • H01M2/26Electrode connections
    • H01M2/266Interconnections of several platelike electrodes in parallel, e.g. electrode pole straps or bridges
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2/00Constructional details or processes of manufacture of the non-active parts
    • H01M2/20Current conducting connections for cells
    • H01M2/30Terminals
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage for electromobility
    • Y02T10/7005Batteries
    • Y02T10/7011Lithium ion battery

Abstract

The cell device with contact element arrangement according to the invention for a primary or secondary battery comprises at least one substantially flat first electrode element which is mechanically and electrically connected to at least one substantially flat first primary contact element, at least one substantially flat second electrode element which has at least one substantially flat one second primary contact element is mechanically and electrically connected, and at least one substantially flat separating element, wherein two adjacent electrode elements are spatially separated by at least one separating element arranged one above the other. The cell device according to the invention with a contact element arrangement further comprises a sheath device, by means of which an envelope interior is delimited by an outer envelope, wherein the at least one first and the at least one second electrode element and the first and second primary contact elements connected to these electrode elements and the at least one separator element are arranged within the envelope interior are. According to the invention, the at least one first primary contact element is mechanically and electrically connected to at least one substantially flat first secondary contact element, wherein this at least one first secondary contact element is arranged at least partially within the enclosure device, and the at least one second primary contact element is provided with at least one essentially ...

Description

  • The The present invention relates to a battery consisting of at least a cell is constructed with a contact element arrangement, a Cell with a contact element arrangement, their use, as well a process for their preparation.
  • The present invention relates to both batteries or primary batteries, i.e. non-rechargeable electrical energy storage, as well so-called secondary batteries or rechargeable batteries. In the context of the present invention simplifies the term "battery", unless otherwise noted, for both types (non-rechargeable and rechargeable) used. batteries, the one cell or a contact element arrangement of the here in question standing type, are particularly in the high-performance area to find when it comes to using a high energy storage device Energy density goes or when high discharge currents are required. Lithium-based Secondary batteries, in particular Lithium-ion and lithium-polymer secondary batteries are examples of such Energy storage. Possible Applications include e.g. the use as traction batteries of Electric (land, water, air, space) vehicles, hybrid batteries of hybrid vehicles, starter batteries of motor vehicles, as well Energy storage for the uninterruptible power supply (UPS) and for solar systems.
  • At the Discharging and charging of such secondary batteries can be large electrical streams flow in the arresters of the cell and the conductors of the circuit, the for warming to lead. The electrical resistance increases substantially with decreasing Conductor cross section to. In particular at the contact points of electrodes, Electrode contacts, arresters and battery contacts can be the conductor cross-section low due to a small contact area be. In addition, the contact surface may be due to material defects, corrosion, mechanical or thermal stresses and other influences reduce, so that the current density in such contact areas under reinforced Release of heat can increase. The problem can then have an impact Part of the heat generated at the contacts to the cell and the battery electrodes and thus their operation or even their reliability impaired can be.
  • task Therefore, it is the object of the present invention to provide an improved cell with a contact element arrangement, an improved contact element arrangement for one Cell, an improved battery and a method of manufacture to provide this cell.
  • These The object is achieved by the subject-matter of claim 1, the subject-matter of claim 7, the subject-matter of claim 23 and the subject-matter of the claim 24. Preferred developments of the invention are the subject the dependent claims.
  • A cell according to the invention with contact element arrangement for a primary or secondary battery comprises at least one substantially flat first electrode element, that with at least one substantially flat first primary contact element mechanically and electrically connected, at least one substantially flat second electrode element with at least one substantially flat second primary contact element mechanically and electrically connected, and at least one substantially flat separating element, wherein two adjacent electrode elements separated by at least one separating element spatially separated are arranged. The inventive cell with contact element arrangement further comprises a casing device, by means of which an envelope interior from an outside envelope is demarcated, wherein the at least one first and at least a second electrode element, as well as those with these electrode elements connected first and second primary contact elements and the at least a separating element are arranged within the envelope interior. According to the invention, this is at least a first primary contact element with at least one substantially flat first secondary contact element mechanically and electrically connected, this at least one first secondary contact element at least partially disposed within the sheath means, and the at least one second primary contact element with at least a substantially flat second secondary contact element mechanically and electrically connected, this at least one second secondary contact element at least partially disposed within the sheath means. Furthermore, at least according to the invention a tertiary contact element is provided, essentially outside the sheath device is arranged and the at least one secondary contact element of at least a battery cell element is assigned, and at least one connecting element provided by means of which the at least one tertiary contact element with at least one secondary contact element mechanically and electrically connectable.
  • The first electrode element is preferably a part of a battery electrode which has a first electrical polarity during operation of the battery. The second electrode element is preferably a part of a battery electrode which then has a (second) electrical polarity opposite the first electrode element. In particular, at Discharging a secondary battery, a first electrode element may be part of the anode of the cell and a second electrode element may be part of the cathode of the cell. In this case, when the secondary battery is charged, if the electrochemical processes at the electrodes are reversed by reversing the polarity of the electrodes, this first electrode element will be part of the cathode and this second electrode element will be part of the anode.
  • in the Frames of the present invention are preferably contact elements, which, due to their interconnection, have this first electrical polarity, referred to as the first contact elements. Accordingly, preferably Contact elements, which due to their interconnection, this second electrical polarity have, referred to as second contact elements. If not between first and second element can be understood in the context of the present Invention preferably be meant both elements.
  • One essentially flat electrode element is preferably made formed of several components. Preferably, a substantially flat comprises Electrode element at least one electrode reaction layer, in the effluent chemical reactions take place, and preferably at least a current collector layer of a conductive material, e.g. a Metal foil or a metal grid, over which the generated electrical Electricity is derived. During operation of the cell, these layers are preferred electrically connected to each other. But it is also preferable see that an electrode element substantially only one component consists.
  • One Electrode element is preferably with at least one primary contact element mechanically and electrically connected, which as electrical contact for deriving / feeding of the electric current generated in the electrode elements. Preferably, on the at least one first electrode element at least one substantially flat first primary contact element provided and on the at least one second electrode element at least one substantially flat second primary contact element provided, wherein a primary contact element in each case preferably in an edge region, preferably with the edge region an electrode element is connected. Preferably, the mechanical connection between the at least one primary contact element and the at least one secondary contact element a size electrical contact surface on. This has the advantage that a locally high current density largely can be avoided.
  • In A preferred embodiment of the electrode arrangement is at one rectangular Electrode element exactly one primary contact element provided, which is formed substantially elongated and rectangular is and the length after with a long side the electrode element is connected. Also possible and preferably provided is it that the primary contact element essentially two elongated ones There are sections that are substantially perpendicular to each other L-shaped at the ends are connected, each one of these sections with a lateral longitudinal side the electrode element is mechanically and electrically connected. Preferably, between an electrode element and a Primary contact element one preferably size contact area created. This has the particular advantage that the current density through the larger conductor cross section the contact surface can be kept small.
  • As well possible and it is preferably provided that at least one electrode element and the separating element have substantially a shape corresponding to a Group is taken from forms that have a circular shape, an elliptical Shape, a triangular shape, a quadrangular shape, especially one Diamond or trapezoidal shape, a five- or hexagonal shape or polygonal shape, a shape with sections curved or straight line, and the like, and combinations of these forms. As well possible and it is preferably provided that at least one electrode element and the separating element have a recess or a breakthrough, in particular substantially annular and in particular annular. In this case, at least in partial areas of the recess or the breakthrough arranged at least one primary contact element and connected to the at least one electrode element. That at least a primary contact element is in its outer form in the mentioned forms of the electrode elements the outer outline the electrode element is preferably at least partially adapted. For example, a circular electrode element preferably at least one primary contact element from a circular ring section on. An advantage of such a design may be that transport operations like heat transport, cargo transport or the transport of electrolyte components can be optimized can, by e.g. preferably created short transport routes and / or transport routes uniform length become. Another advantage of this design may be that a cell or a battery can be constructed whose outer shape can be adjusted according to specifications, e.g. a limited space optimally exploit.
  • Preferably, in the case of stacked electrode elements, which are separate from separating elements and form an electrode stack, the primary elements associated with these electrode elements are preferably arranged contact elements arranged one above the other discharged to the outside. However, it is also provided in a further preferred embodiment of the electrode arrangement that the primary contact elements are at least partially disposed one above the other and not discharged to the outside. An advantage of such an arrangement with partially not superimposed primary contact elements may be that the heat generated during current flow can be better dissipated or distributed to the outside.
  • The the first electrode elements associated first primary contact elements are preferably on at least a first side of the electrode stack led out and the second primary contact elements associated with the second electrode elements are preferably led out on at least one second side of the electrode stack, wherein none of the first pages overlaps any of the second pages, so that shorts excluded are.
  • It but it is also possible and preferably provided that the first and second primary contact elements on the same side or on adjacent sides of an electrode stack over the Area of Separating elements are led out of the electrode stack, wherein in each case the first primary contact elements lie one above the other and the second primary contact elements are superimposed and wherein first and second primary contact elements spaced apart from each other.
  • Preferably are in an electrode stack of substantially rectangular separators and electrode elements having primary contact elements, the first primary contact elements at the first longer Long side over the area the separating elements protruding and superimposed from the Led out electrode stack and the second primary contact elements the second longer one Long side over the Area of Separators protruding and superimposed led out of the electrode stack.
  • One Primary contact element has at least one breakthrough in a preferred embodiment, in particular performing a connecting element or auxiliary connecting means is used. As well possible and preferred is that a primary contact element has at least one recess for the same purpose.
  • In a first preferred embodiment the contact element arrangement is provided that at least one Primary contact element with a secondary contact element mechanically and electrically connected. Preferably, several Primary contact elements on top of each other arranged and with the secondary contact element electrically and mechanically connected, in particular materially connected. In the case of cohesive Connection is the at least one primary contact element and the secondary contact element preferably welded, in particular welded by means of ultrasound. Furthermore, the cohesive connection provides preferably a big, especially flat, electrical contact area between the at least one primary contact element and the at least one secondary contact element, so that in particular punctate areas of heat-releasing high current density can be largely avoided.
  • One Secondary contact element is in its outer form preferably designed such that it at least partially the outer shape the at least one primary contact element adapted, which with the secondary contact element mechanically and electrically connected. In the case of essentially elongated and rectangular primary contact elements is therefore also the secondary contact element preferably substantially elongated and rectangular formed and further preferably along the entire length with the at least one primary contact element connected.
  • Further has the at least one secondary contact element preferably no sharp edges, but is preferable at least partially rounded to a contact with the sheath means damage the sheath device especially during assembly of the cell and / or in a long-term Avoid operation of the cell.
  • In a second preferred embodiment The invention provides that at least one primary contact element with two secondary contact elements mechanically and electrically connected. Preferably, several Primary contact elements on top of each other arranged and with a lower and an upper secondary contact element electrically and mechanically connected, in particular non-positively or cohesively connected. The lower secondary contact element is below the at least one primary contact element and the upper Secondary contact element is arranged above the at least one primary contact element and mechanically and electrically connected to this.
  • An advantage of this arrangement is that the electrical contact area between the at least one primary contact element and the two secondary contact elements is about twice as large as in the case of only one secondary contact element. As a result, the electric current is dissipated by a substantially doubled electrical contact area to the outside, resulting in Kontaktbe rich between the at least one primary contact element and the two secondary contact element correspondingly reduces the current density. In this way, the heat release in the contact area is reduced, making the operation of the cell more reliable.
  • Preferably Both the lower and upper secondary contact elements are pressed against each other arranged so that the at least one primary contact element between them Secondary contact elements is trapped. An advantage of this arrangement is that through the Pressing or clamping men between the at least one primary contact element and the two secondary contact elements bumps flabbergasted be ensured and the largest possible contact surface so that during operation of the cell local areas of high current density largely can be avoided. In this way, the heat release reduced in the contact area, whereby the operation of the cell is reliable.
  • In a preferred embodiment of the at least one secondary contact element is intended in this at least one breakthrough. This is preferably superimposed with the at least one opening of the at least one primary contact element arranged. Through these breakthroughs can at least partially an auxiliary connection means and / or at least partially a connecting element are guided by means of which the at least one primary contact element and / or the at least one secondary contact element and / or the at least a tertiary contact element can be connected to each other.
  • Preferably At least one auxiliary connecting means is provided, which is connected to the at least one secondary contact element is mechanically and electrically connected, by means of this auxiliary connection means at least one primary contact element and / or at least one secondary contact element and / or at least one tertiary contact element can be connected mechanically and electrically.
  • Preferably This is at least one auxiliary connection means mechanically fixed or integral with a secondary contact element connected, said auxiliary connecting means in particular a survey of the secondary contact element can be. This has the advantage that the assembly or disassembly the contact arrangement is simplified. In another, too to preferable design, this auxiliary connection means is a separate part. An advantage of the design of this auxiliary connection means as se parates part is that the number of connection points adapted to the respective requirements. Another Advantage of the design of this auxiliary connection means as a separate Part is in a preferred embodiment of the contact element arrangement see, where several secondary contact elements, optionally from several cells, can be connected together by a separately executed Auxiliary connecting means through the superposed openings of the containment means, the primary contact elements, the secondary contact elements and optionally the at least one tertiary contact element is guided.
  • In a preferred design of the lower secondary contact element and the upper Secondary contact element of the second embodiment on the outside of the at least one auxiliary connecting means, which is either integral with the lower secondary contact element is connected or is a separate part, provided first connector means. Furthermore, in at least one of the two secondary contact elements breakthroughs intended. These breakthroughs have in this preferred embodiment of the two secondary contact elements on its inside second connector means. When arranging such an auxiliary connection means in such a breakthrough is between the auxiliary connection means and the breakthrough means preferably the first and the second connector means a positive connection produced. Preferably, the first and second Plug connection means around latching means, e.g. small fins, so in particular a microlouver compound is present. Likewise, these may be preferred Detent means formed in other forms of a tongue and groove connection be. Also preferably, the connector means consist respectively from areas a certain surface roughness, the outside diameter of the Auxiliary connection means and the inside diameter of the opening are designed so that a fit in arranging the auxiliary connecting means within the breakthrough is achieved, which leads to a non-positive connection the two parts leads. By this frictional Connection preferably the upper and lower secondary contact element pressed together, so that the at least one primary contact element sandwiched between them. The advantage of this arrangement is that by pressing or clamping between the at least one primary contact element and the two secondary contact elements Bumps flattened be and as possible size contact area is ensured.
  • Preferably, the at least one auxiliary connecting means is a bushing or bolt element. This at least one bushing element is preferably a microlouver bush or a threaded bushing or the like. Preferably, this auxiliary connecting means is designed with respect to the secondary contact element as a survey, which from the surface of the secondary contact element protrudes. If the auxiliary connecting means is designed as a socket element, it is also possible and preferably provided that the socket element is at least partially formed as a recess of the secondary contact element. Further, it is possible and preferably provided that the at least one secondary contact element has at least one opening, which represents at least a part of an auxiliary connection means, in particular being formed at least as part of a socket element.
  • The Connecting element is preferably designed so that it with the auxiliary connecting means a positive and / or positive Can connect. Preferably, the connecting element a bolt or bushing element complementary to the auxiliary connecting means, in particular a threaded bush. An advantage of this design is that between the at least one primary contact element, the at least a secondary contact element and the at least one tertiary contact element a mechanically strong and electrically reliable but detachable connection can be produced. Such a detachable Connection allows a simplified de montage of the contact element arrangement and optionally a more effective recyclability of the components with less effort.
  • As well possible and preferably it is provided that between the connecting element and the auxiliary connecting means is a substantially insoluble connection will be produced. Preferably, this compound is replaced by a at least partially positive Connection, in particular realized by a riveted joint. In this case, preferably, the connecting element has a rivet body or Thorn up. Complementary to this In this case, the auxiliary connecting means preferably has one Thorn or a rivet body on. Likewise possible and it is preferred that a largely insoluble compound by a Microlamellenverbindung is realized. Such a connection has at the parts to be joined preferably small slats or dandruff stuck at complementary angles to the surface connected to the respective part, so that they can be hooked into one another are. It is also possible and preferably provided that other techniques for manufacturing an insoluble one Compound, in particular also techniques for materially bonding, such as. weld together or gluing with electrically conductive adhesive used become.
  • Preferably has the connecting element and / or the separately executed auxiliary connecting means a head part which, when connecting the connecting element and the auxiliary connecting means preferably a force on the at least a tertiary contact element, the at least one secondary contact element and the at least one primary contact element Apply and squeeze these parts together.
  • The containment means preferably consists of several layers of a preferably flexible Material. In particular, you can these layers are at least partially metallic foils, in particular aluminum foils, and act to plastic films, the connected to each other. Preferably, the sheath means on its inside a Hüllinnenschicht on, which consists of a plastic. This plastic is preferably a polypropylene. Also preferably, this plastic is a plastic other than polypropylene, especially for the purpose the seal is suitable. Preferably, the sheath means a bag at the edges Completely can be sealed. Preferably, this seal is done by Applying a first temperature in the edge region of the casing device, in which the envelope inner layer a top of the sheath means and the envelope inner layer a bottom of the sheath means one above the other are arranged and in contact. By creating the first Temperature is preferably the plastic of Hüllinnenschicht the top and bottom fused together and then cooled. By such a seal is the envelope interior, in particular contains the electrode elements and a liquid one Electrolytes may contain, preferably hermetically against the outer space sealed, so that accidental leakage or intrusion of Gases and liquids impossible is. Preferably, the closed envelope interior is at a negative pressure in terms of of the outside envelope Mistake.
  • In a further preferred embodiment of the contact element arrangement sealing means are provided, by means of which a seal of the containment means in the field of secondary contact elements is possible. By such a seal the envelope interior, in particular contains the electrode elements and a liquid one Electrolytes may contain, preferably hermetically against the outer space sealed so that accidental leakage or intrusion of gases and liquids impossible is.
  • First sealing means are preferably arranged on at least one secondary contact element within the sheath means. In particular, such a sealant is a pre-sealant layer applied on one side of a secondary contact element and which can be connected to a cladding inner layer attached to the inside of the cladding device. This pre-sealant layer is preferably a thin one Layer of a plastic, which is preferably applied before assembly of the secondary contact element in the sheath means at least on a partial surface of the secondary contact element. This partial surface of the secondary contact element is such a surface which after this assembly is in contact with the inside of the casing device. The application of the pre-sealing layer on the at least one secondary contact element is preferably carried out under heat and in particular by extrusion coating with a plastic. This plastic is preferably a polypropylene. Also preferably, this plastic is a plastic other than polypropylene, which is particularly suitable for the purpose of sealing. It is preferably provided that this plastic can be fused by applying a second temperature with the plastic of Hüllinnenschicht, whereby the at least one secondary contact element in the region of this partial surface is sealed to the sheath means.
  • These first temperature and this second temperature are preferably the same. It is also possible and preferably provided that these temperatures in the way different are that at the first temperature only the plastic the envelope inner layer melts and only at a second temperature, preferably is higher as the first temperature, the plastic of the first sealant melts. It is also possible and preferably provided that at the first temperature only the plastic of the first sealant melts and only at one second temperature melts the plastic of Hüllinnenschicht. On this way, the sealing of the sheath device during assembly of the Cell can be divided into two process steps.
  • It but it is also possible and preferably provided that this first sealing means at least partially connected by gluing to the secondary contact element. It is also possible and preferably provided that this sealing means with the inside the sheath device is at least partially connected by gluing with the sheath means. Furthermore, it is preferably provided that this sealing means a Glue is.
  • Further Preferably second sealing means are provided between the at least one connecting element and the casing device are arranged, and / or between the at least one auxiliary connection means and the sheath means are. These second sealing means may e.g. Be through O-rings a connection element or an auxiliary connection means is guided. The second sealing means can made of an elastic plastic, by applying a pressing force by the connecting element or auxiliary connecting means on the sheath device is pressed and achieved in this way a seal. By such a seal is the envelope interior, in particular contains the electrode elements and a liquid one Electrolytes may contain, preferably hermetically against the outer space sealed so that accidental leakage or intrusion of gases and liquids is impossible. It is also possible and preferably provided that the second sealing means Gluing with the connecting element and / or the auxiliary connecting means and the sheath means be connected and so a seal is achieved. Likewise is it possible and preferably provided that the second sealing means is an adhesive is.
  • Further is preferably provided that in addition to or instead of the first and / or the second sealing means further sealing means may be provided can, which the sheath device caulk.
  • Of the Hüllinnenraum is preferably substantially free of gas and preferably has a much lower pressure than the outer envelope, especially the environment on. In particular, to prevent an error-related Gas evolution at the electrode elements during operation of the line in Hüllinnenraum builds up pressure, pressure compensation means are preferably provided, which reduce such an error-induced pressure in the envelope interior in a controlled manner, by the resulting in the envelope interior Gas controlled by the pressure compensation means in the outer envelope is delivered. Preferably, at least one cell, in particular a battery, associated with at least one gas collecting device, which absorb the escaping gas, and so a contamination of the Prevent environment. However, it is also possible and preferably provided that no gas collecting devices are provided.
  • One such pressure equalizing agent is preferably modified by modification a connecting element and / or an auxiliary connecting means created. Among other things, this has the advantages that the number the required pressure compensation means to the requirements of each battery type can be adjusted and that the other components the cell and the contact element arrangement are preferably not changed have to, so that a simple modular structure exists.
  • Preferably, a pressure compensation means is a sleeve member which is formed as a channel, one end of which is open to the enveloped by the sheath means of the battery element interior, and the other end has in the outer space and which is closed by a region of small material thickness. For a fault Pressure in the envelope interior breaks the area of low material thickness, so that the pressure can escape in a controlled manner. Such a region of small material thickness may be a rupture disk which, upon reaching a certain pressure within the envelope interior by controlled bursting, allows the gas to escape from the sealed cell at that defined location.
  • As well possible and is preferably provided that the pressure compensation means a valve is one end open to Hüllinnneraum, and whose other end points into the outer envelope. At an error-induced pressure in the envelope interior, the pressure controlled by the valve in the outside envelope.
  • The has at least one tertiary contact element preferably an outer shape on, which is essentially the outer shape of the primary and the secondary contact element is adjusted. Preferably, the tertiary contact element is a substantially one flat and oblong molded part, the outside the sheath device is arranged and preferably forms a projection over the Shape of the sheath device protrudes. Preferably, it is possible by means of this projection several tertiary contact elements, in particular the tertiary contact elements multiple cells to connect with each other mechanically and electrically.
  • In a preferred embodiment the contact element arrangement are the tertiary contact elements at least partially formed as a cell connection means, by means of which Secondary contact elements and / or auxiliary connecting means connected thereto and / or with these connected connecting elements of different battery cell elements mechanically and electrically connectable to each other so that these Battery cell elements through these cell connection means in parallel or can be connected in series.
  • Such Cell connecting means are preferably substantially U-shaped gripping members. there the gripping element preferably has a on its inside on the first contact area, where it with an auxiliary connection means and / or a connecting element of a first cell mechanically and electrically can be connected. Furthermore, the Umgriffselement preferably on its outside At least a second contact area on which it with a Auxiliary connecting means and / or a connecting element at least a second cell can be mechanically and electrically connected. This connection is preferably a non-positive and positive connection. It is also possible and preferably provided that before connection to the cells more Cell connecting means are welded together as a connecting rail. Preferably, the Umgriffselement surrounds the edge of a cell.
  • Preferably can interconnected by the cell connection means a plurality of cells in series or in parallel preferably at least a first and a second Tertiary contact element of such a interconnected cell network not as cell connection means accomplished are to an external electrical Make contact tap.
  • The Material of current-carrying secondary contact elements, tertiary contact elements, connecting elements and auxiliary connection means of a cell, which upon discharge of the cell belong to the anode of the battery, is preferably copper or a copper alloy. Likewise possible and is preferably provided that the material of these anodic parts Is nickel or contains nickel. Furthermore, it is preferably provided that other materials are used in the anodic parts. The materials of these anodic parts are preferably the same. It is also possible and preferably provided that the materials are different.
  • The Material of current-carrying secondary contact elements, tertiary contact elements, connecting elements and auxiliary connection means of a cell, which upon discharge of the cell belong to the cathode of the battery, is preferably aluminum or an aluminum alloy. Further is preferably provided that other materials in the cathodic Parts are used. The materials of these cathodic parts are preferably the same. But it is also possible and preferably provided that the materials are different.
  • A method for producing a cell, in particular a cell according to the invention preferably comprises the steps
    • - Connecting at least one primary contact element with at least one secondary contact element.
    • - If appropriate: clamping the at least one primary contact element between at least two secondary contact elements
    • Arranging the casing device with the at least one secondary contact element in such a way that the at least one secondary contact element is arranged at least partially within the casing device.
    • - Sealing of the sheath means in the region of the secondary contact element by means of at least one sealing means.
    • - Arranging at least one tertiary contact element on at least one secondary contact element.
    • - Connecting the at least one tertiary contact elements with the at least one secondary contact element by at least one connecting element.
  • Further Advantages, features and applications of the present Invention will become apparent from the following description of exemplary embodiments in connection with the figures. Identical reference symbols hereinafter essentially the same components.
  • 1a shows the schematic drawing of a plan view of a cell according to the invention according to a first embodiment, without tertiary contact element.
  • 1b shows the top view of a tertiary contact element for the in 1a illustrated cell according to the first embodiment.
  • 1c shows the schematic drawing of a plan view of a cell according to the invention according to the first embodiment, in which two tertiary contact elements are connected to the cell.
  • 2a shows the schematic drawing of a partial cross section through the contact element arrangement according to the invention of a cell according to the invention in a first embodiment, which is designed according to the first preferred embodiment of the contact element arrangement according to the invention.
  • 2 B shows the schematic drawing of a partial cross section through the contact element arrangement according to the invention of a cell according to the invention in a second embodiment, which is carried out according to the second preferred embodiment of the contact element arrangement according to the invention.
  • 2c shows the schematic drawing of a partial cross section through the contact element arrangement according to the invention of a cell according to the invention in a third embodiment, which is carried out according to the second preferred embodiment of the contact element arrangement according to the invention.
  • 2d shows the schematic drawing of a partial cross section through the contact element arrangement according to the invention of a cell according to the invention in a fourth embodiment.
  • 3a shows the schematic drawing of a cross section through three cells according to the invention in the region of the secondary contact element for a parallel connection of cells according to the invention.
  • 3b shows the schematic drawing of a cross section through three cells according to the invention in the region of the secondary contact element for a serial connection of cells according to the invention.
  • 3c shows the schematic drawing of a cross section of a tertiary contact element of the cell according to the invention, wherein the tertiary contact element is designed as a cell connection means.
  • 3d shows the schematic drawing of a partial cross-section through three cells in front view in the region of the secondary contact element, for a serial connection of cells according to the invention by means of in 3c shown tertiary contact element.
  • 1a shows the schematic drawing of a plan view of a cell according to the invention 1 according to a first embodiment, without tertiary contact element. The cell 1 includes a sheath device 2 within the non-visible rectangular first and second electrode elements, separated from rectangular separating elements, in the region of the surface 4 stacked are arranged. These first and second electrode elements are each mechanically and electrically connected to a first and a second primary contact element, which essentially have an oblong-shaped, rectangular outer contour, each substantially corresponding to the outer contour of the first secondary contact element 12a and the second secondary contact element 12b equivalent. The first primary contact elements are stacked one above the other out of one of the longer sides of the stack of electrode and separating elements led out, wherein the first primary contact elements in the region of the first secondary contact element 12a and the second primary contact elements in the region of the second secondary contact element 12b each ultrasonically welded to these secondary contact elements and thus are firmly connected. The first and second primary contact elements and the first and second secondary contact elements 12a and 12b are completely within the sheath device 2 arranged. The first and second primary contact elements and the sheath means - at their in 1a visible top - further have breakthroughs, through the auxiliary connection means 3 are guided, which are each integrally connected to a secondary contact element. The auxiliary connecting means 3 are in this embodiment socket members having an internal thread, and are upwardly of the sheath means 2 out. The sheath device 2 is in the area of auxiliary connection means 3 hermetically sealed. In addition, the sheath device 2 in its edge area 9 is hermetically sealed by fusing its envelope inner layer of plastic, so that penetration or leakage of gases and / or liquid into / from the envelope interior without an area serving as a predetermined breaking point is initially substantially impossible.
  • 1b shows the view of a tertiary contact element 13a . 13b for the in 1a illustrated cell according to the first embodiment. The tertiary contact element 13a . 13b has breakthroughs 6 on. Further, an area 7 provided by means of which the cell of this embodiment can be interconnected with other cells to a battery cell assembly for a battery or secondary battery. For this purpose, it is possible that the tertiary contact element in the area 7 Has modifications such as recesses or openings or auxiliary devices, which are not shown in this figure and which simplify this interconnection.
  • 1c shows the schematic drawing of a plan view of a cell according to the invention according to the first embodiment, in which two tertiary contact elements 13a . 13b with the cell 1 are connected. The tertiary contact elements 13a . 13b are by means of fasteners 8th by screwing with the auxiliary connecting means 3 mechanically strong and electrically reliable connected. The connecting means 8th are in this embodiment, bolt members having an external thread and further comprising a head which, after the fixed screwing with the internal thread of the auxiliary connecting means 3 exerts a contact force on the tertiary contact element, so that this with the in 1 connected cell is connected.
  • 2a shows the schematic drawing of a partial cross-section through the contact element arrangement according to the invention 10 a cell according to the invention in a first embodiment, which is carried out according to the first preferred embodiment of the contact element arrangement according to the invention. The partial cross-section is shown in the illustration essentially along a line A, which in 1c through the connecting means 8th a tertiary contact element 13a or 13b runs.
  • The secondary contact element 12a has auxiliary connection means 3 on, which are female elements with an internal thread, not shown. With the secondary contact element 12a is a stack of primary contact elements 11a connected lengthwise, preferably ultrasonically welded. The primary contact elements 11a have breakthroughs 14 on top of each other, and through which the auxiliary connecting means 3 are led upwards. Also the upper side 2a the sheath device 2 has breakthroughs 15 through which the auxiliary connecting means 3 up from the sheath 2 led out. Further, the auxiliary connecting means 3 through the breakthroughs 16 of the tertiary contact element 13a guided. By screwing the connecting elements 8th with the auxiliary connection means 3 becomes the tertiary contact element 13a releasably connected to the cell. In 2a For simplicity of illustration, no sealing means, such as O-rings, are shown surrounding the auxiliary connection means 3 may be provided arranged around the casing device 2 in the field of primary 11a and secondary contact elements 12a additionally seal.
  • 2 B shows the schematic drawing of a partial cross-section through the contact element arrangement according to the invention 10 a cell according to the invention in a second embodiment, which is designed according to the second preferred embodiment of the contact element arrangement according to the invention. At the in 2a The first preferred embodiment shown is the stack of primary contact elements 11a with only one secondary contact element 12a connected, which in the embodiment of 2a below the primary contact elements 11a is arranged. In the second preferred embodiment of the contact element arrangement according to the invention, whose embodiment in 2 B is shown is an upper secondary contact element 22a provided, which above the primary contact elements 11a is arranged. Furthermore, the upper secondary contact element 22a breakthroughs 17 through which the auxiliary connecting means 3 are guided. The top 22a and the lower secondary contact element 12a are non-positively connected to each other by means of connector means. These connector means are in this embodiment micro-blades, on the inner surfaces of the apertures 17 of the upper secondary contact element 22a and on the outside of the auxiliary connecting means 3 are attached. In this way, the upper one becomes 22a on the lower secondary contact element 12a pressed and the intermediate primary contact elements 11a firmly clamped between the secondary contact elements, wherein a flat electrical connection between the primary and secondary contact elements is made. It is also possible that the primary contact elements in addition to the lower secondary contact element 12a and / or the upper secondary contact element 22a ultrasonically welded. The upper secondary contact element 22a is mechanically strong and electrical with the auxiliary connection means 3 connected.
  • 2c shows the schematic drawing of a partial cross-section through the contact element arrangement according to the invention 10 a cell according to the invention 1 in a third embodiment, which is carried out according to the second preferred embodiment of the contact element arrangement according to the invention. In contrast to the representation in 2 B are in 2c sealing 24a and 24b shown, which the sheath device 2 Seal in the area of secondary contact elements. The upper sealant 24a is on the upper side of the upper secondary contact element 22a , and the lower sealant 24b on the lower side of the lower secondary contact element 12a arranged. The upper sealant 24a has breakthroughs 18 through which the auxiliary connecting means 3 are guided. The sealant 24a and the sealant 24b are pre-sealing layers of plastic, prior to assembly of the contact element assembly with the upper secondary contact element 22a and the lower secondary contact element 12a were firmly connected. Not shown in 2c the envelope inner layer of the sheath device 2 made of plastic. These plastics are fused together by heating, the sheath means 2 sealed in the region of the secondary contact elements in this way and the sheath means 2 in this way firmly with the secondary contact elements 12a and 22a connected.
  • 2d shows the schematic drawing of a partial cross section through the contact element arrangement according to the invention of a cell according to the invention in a fourth embodiment. In this embodiment, the auxiliary connection means 30 separate parts through breakthroughs 25 the sheath device 2 at the bottom 2 B and through breakthroughs 26 of the lower secondary contact element 32 are guided. The auxiliary connecting means 30 are female elements with an internal thread on which the connection elements 80 be screwed on, the fasteners 8th essentially correspond. Here are the lower secondary contact element 32 in the field of breakthroughs 26 and the upper secondary contact element 22a in the field of breakthroughs 17 preferably non-positively with the auxiliary connection means 30 connected by, similar to in 2 B and 2c , Microlamellen are provided as a connector means. The lower secondary contact element 32 is as well as the upper secondary contact element 22a mechanically strong and electrically with the auxiliary connection means 30 connected.
  • In another embodiment of the separate auxiliary connection means 30 These are so far extended that these through the breakthroughs of several stacked cells 1 can be guided so that they are mechanically fixed and releasably connected and can be electrically interconnected.
  • 3a shows the schematic drawing of a cross section through three cells according to the invention in the region of the secondary contact element for a parallel connection of cells according to the invention. The cell 100 has essentially a structure that one of the in the 2a . 2 B . 2c or 2d represented cross-section, but no Tertiärkontaktelement is shown. The auxiliary connecting means 33 stand out of the cells 100 and provide contact areas by which the cells 100 can be interconnected. These auxiliary connecting means 33 can the auxiliary connecting means 3 or 30 correspond. But they can also be designed differently, eg as sockets. For a parallel connection of cells 100 For example, be designed as anodes auxiliary connection means 33 arranged one above the other.
  • In 3b be used for a serial interconnection of cells 100 the trained as anodes auxiliary connection means 33 in alternation with the trained as Katho the auxiliary connection means 34 superimposed by the cells 100 rotated 180 ° in its main plane.
  • 3c shows the schematic drawing of a cross section of a tertiary contact element of the cell according to the invention, wherein the tertiary contact element as a cell connection means 40 is trained. The cell linking agent 40 is a substantially U-shaped Umgriffselement. This cell connection means has an inside 41 and an outside 45 on. Schematically represented are contact areas 42 . 43 and 44 with which an electrical contact between the auxiliary connection means of adjacent cells 100 can be produced. These electrical contacts can be realized, for example, by plug connections, which at the same time ensure a firm mechanical connection of the cells. But it is also possible that the cell connecting agent 40 at least partially by connecting elements, such as the connecting elements 8th or 80 , with the auxiliary connection means and thus with the cells 100 is connected.
  • 3d shows the schematic drawing of a partial cross section through three cells in front view in the region of the secondary contact element, for a serial connection of cells according to the invention according to 3b by means of the in 3c shown tertiary contact element, as a cell connection element 40 is executed. This will be the cell connectors 40 by the mechanically strong and electrical contacting in the contact areas 42 and 44 mechanically and electrically connected to each other, and in this way the cells 100 mechanically firmly connected and electrically interconnected.

Claims (24)

  1. A cell having a contact element arrangement for a primary or secondary battery, comprising at least one substantially flat first electrode element mechanically and electrically connected to at least one substantially flat first primary contact element, at least one substantially flat second electrode element having at least one substantially flat second Primary contact element is mechanically and electrically connected, and at least one substantially flat separating element, wherein two adjacent electrode elements A sheath device, by means of which an envelope interior is delimited by an outer envelope, wherein the at least one first and the at least one second electrode element, and the first and second primary contact elements connected to these electrode elements and the at least one separating element are arranged within the envelope interior, characterized in that the at least one first primary contact element with at least one substantially flat first secondary contact me me chanically and electrically connected, said at least a first secondary contact element is at least partially disposed within the casing means, the at least one second primary contact element is mechanically and electrically connected to at least one substantially flat second secondary contact element, this being at least one second secondary contact element est is partially disposed within the sheath means, at least one Tertiärkontaktelement is provided, which is arranged substantially outside the sheath means and the at least one secondary contact element is assigned from at least one battery cell element, and at least one connecting element is provided, by means of which the at least one tertiary contact element with at least one Secondary contact element is mechanically and electrically connected.
  2. Cell with contact element arrangement according to claim 1, characterized in that a plurality of first electrode elements, with each of which a first primary contact element mechanically and electrically connected, and a plurality of second electrode elements, with each of which a second primary contact element mechanically and is electrically connected, alternately, spatially separated by a separator and on top of each other lying, are arranged to an electrode stack.
  3. Cell with contact element arrangement according to at least one of the preceding claims, characterized in that the first primary contact elements of a first side of the electrode stack are led out and one above the other are arranged, and that the second primary contact elements of a second side of the electrode stack are led out and one above the other are arranged.
  4. Cell with contact element arrangement according to at least one of the preceding claims, characterized in that the sheath means at least in the area a secondary contact element at least has a breakthrough or at least one recess.
  5. Cell with contact element arrangement according to at least one of the preceding claims, characterized in that the sheath means in the region of at least one at least partially within the sheath means arranged secondary contact element by means of at least one sealing means close to this at least a secondary contact element connected is.
  6. Cell with contact element arrangement according to at least one of the preceding claims, characterized in that the cell is in lithium ion or lithium polymer secondary batteries is used.
  7. Contact element arrangement for a cell according to at least one of the claims 1 to 6, characterized in that at least one primary contact element is provided, with an electrode element mechanically and electrically connected is, provided at least one secondary contact element is that mechanically with at least one primary contact element and is electrically connected, wherein the at least one primary contact element essentially within the sheath means is arranged and the at least one secondary contact element at least partially within the enclosure is arranged that at least one tertiary contact element provided that is essentially outside the sheath device is arranged and the at least one secondary contact element of at least associated with a battery cell element, and at least a connecting means is provided, by means of which the at least a tertiary contact element with at least one secondary contact element mechanically and electrically connectable.
  8. Contact element arrangement for a cell according to claim 7, characterized in that at least one elongate shaped primary contact element with at least one oblong shaped secondary contact element along substantially the entire length cohesively and electrically connected.
  9. Contact element arrangement for a cell according to claim 7 to 8, characterized in that at least one secondary contact element and a tertiary contact element can be positively connected by means of the at least one connecting element.
  10. Contact element arrangement for a cell according to at least one of the claims 7 to 9, characterized in that at least one secondary contact element and a tertiary contact element by means of the at least one connecting element positively connected are.
  11. Contact element arrangement for a cell according to at least one of the claims 7 to 10, characterized in that at least one secondary contact element and a tertiary contact element by means of the at least one connecting element are detachably connected.
  12. Contact element arrangement for a cell according to at least one of the claims 7 to 11, characterized in that at least one secondary contact element and a tertiary contact element by means of the at least one connecting element are permanently connected.
  13. Contact element arrangement for a cell according to at least one of the claims 7 to 12, characterized in that at least one auxiliary connecting means is provided, with the at least one secondary contact element mechanically and electrically connected.
  14. Contact element arrangement for a cell according to at least one of the claims 7 to 13, characterized in that the at least one auxiliary connecting means mechanically fixed or integrally connected to the at least one secondary contact element is, wherein it at least partially protruding from the sheath means is arranged.
  15. Contact element arrangement for a cell according to at least one of the claims 7 to 14, characterized in that the at least one auxiliary connecting means a bush or bolt element is.
  16. Contact element arrangement for a cell according to at least one of the claims 7 to 15, characterized in that the at least one sleeve element a microlouver bush or a threaded bushing.
  17. Contact element arrangement for a cell according to at least one of the claims 7 to 16, characterized in that the at least one primary contact element has at least one breakthrough, a lower secondary contact element is integrally connected to at least one auxiliary connecting means, which executed as a survey is, and an upper secondary contact element is provided, which has at least one breakthrough, wherein this at least one auxiliary connecting means by the at least a breakthrough of the at least one primary contact element and through the at least one breakthrough of the upper secondary contact element is arranged passing through, wherein the lower secondary contact element by means of connector means frictionally firmly with the upper secondary contact element is connected.
  18. Contact element arrangement for a cell according to at least one of the claims 7 to 17, characterized in that at least one socket element a battery cell element is designed as a channel, one of which End to that of the sheath device enveloped the battery element Interior opened is, and whose other end points into the outside space and the through a region of low material thickness is closed, the predetermined breaking point serves.
  19. Contact element arrangement for a cell according to at least one of the claims 7 to 18, characterized in that the tertiary contact elements at least partially formed as cell connection means.
  20. Contact element arrangement for a cell according to at least one of the claims 7 to 19, characterized in that the recesses or openings as well the fasteners have threads or micro-blades, thereby these secondary contact elements and these battery cell elements with the at least one tertiary contact element force fit are connectable.
  21. Cell according to at least one of the claims 1 to 6, which is a contact element arrangement according to at least one of claims 7 to 20 has.
  22. Use of a cell according to any one of claims 1 to 6 with a contact element arrangement according to at least one of claims 7 to 20 in the starter battery of a motor vehicle or the traction battery an electric vehicle or the hybrid battery of a hybrid vehicle.
  23. Battery or secondary battery that has at least one Cell according to at least one of the claims 1 to 6.
  24. Method for producing a battery cell, in particular a cell according to at least one of claims 1 to 6, comprising the steps - connecting at least one primary contact element with at least one secondary contact element. - If necessary: clamping the at least one primary contact element between at least two secondary contact elements - arranging the enclosure means with the at least one secondary contact element such that the at least one secondary contact element is at least partially disposed within the enclosure means. - Sealing of the sheath means in the region of the secondary contact element by means of at least one sealing means. - Arranging at least one tertiary contact element on at least one secondary contact element. - Connecting the at least one tertiary contact element with the at least one secondary contact element by at least one connecting element.
DE102006054309A 2006-11-17 2006-11-17 Battery cell with contact element arrangement Withdrawn DE102006054309A1 (en)

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PCT/EP2007/009946 WO2008058758A1 (en) 2006-11-17 2007-11-16 Battery cell comprising a contact element arrangement

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US7993773B2 (en) 2002-08-09 2011-08-09 Infinite Power Solutions, Inc. Electrochemical apparatus with barrier layer protected substrate
US8021778B2 (en) 2002-08-09 2011-09-20 Infinite Power Solutions, Inc. Electrochemical apparatus with barrier layer protected substrate
US8062708B2 (en) 2006-09-29 2011-11-22 Infinite Power Solutions, Inc. Masking of and material constraint for depositing battery layers on flexible substrates
US8197781B2 (en) 2006-11-07 2012-06-12 Infinite Power Solutions, Inc. Sputtering target of Li3PO4 and method for producing same
US8236443B2 (en) 2002-08-09 2012-08-07 Infinite Power Solutions, Inc. Metal film encapsulation
US8260203B2 (en) 2008-09-12 2012-09-04 Infinite Power Solutions, Inc. Energy device with integral conductive surface for data communication via electromagnetic energy and method thereof
US8268488B2 (en) 2007-12-21 2012-09-18 Infinite Power Solutions, Inc. Thin film electrolyte for thin film batteries
US8350519B2 (en) 2008-04-02 2013-01-08 Infinite Power Solutions, Inc Passive over/under voltage control and protection for energy storage devices associated with energy harvesting
DE102011121485A1 (en) 2011-12-16 2013-01-17 Audi Ag Connection element i.e. bus bar, for electrically interconnecting electrical poles of lithium ion cells of traction battery utilized in e.g. electric vehicle, has base body made of different materials in respective regions of contact points
US8394522B2 (en) 2002-08-09 2013-03-12 Infinite Power Solutions, Inc. Robust metal film encapsulation
US8404376B2 (en) 2002-08-09 2013-03-26 Infinite Power Solutions, Inc. Metal film encapsulation
US8431264B2 (en) 2002-08-09 2013-04-30 Infinite Power Solutions, Inc. Hybrid thin-film battery
US8445130B2 (en) 2002-08-09 2013-05-21 Infinite Power Solutions, Inc. Hybrid thin-film battery
US8508193B2 (en) 2008-10-08 2013-08-13 Infinite Power Solutions, Inc. Environmentally-powered wireless sensor module
US8518581B2 (en) 2008-01-11 2013-08-27 Inifinite Power Solutions, Inc. Thin film encapsulation for thin film batteries and other devices
US8599572B2 (en) 2009-09-01 2013-12-03 Infinite Power Solutions, Inc. Printed circuit board with integrated thin film battery
US8636876B2 (en) 2004-12-08 2014-01-28 R. Ernest Demaray Deposition of LiCoO2
US8906523B2 (en) 2008-08-11 2014-12-09 Infinite Power Solutions, Inc. Energy device with integral collector surface for electromagnetic energy harvesting and method thereof
US9334557B2 (en) 2007-12-21 2016-05-10 Sapurast Research Llc Method for sputter targets for electrolyte films
US9634296B2 (en) 2002-08-09 2017-04-25 Sapurast Research Llc Thin film battery on an integrated circuit or circuit board and method thereof

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US7993773B2 (en) 2002-08-09 2011-08-09 Infinite Power Solutions, Inc. Electrochemical apparatus with barrier layer protected substrate
US8021778B2 (en) 2002-08-09 2011-09-20 Infinite Power Solutions, Inc. Electrochemical apparatus with barrier layer protected substrate
US9634296B2 (en) 2002-08-09 2017-04-25 Sapurast Research Llc Thin film battery on an integrated circuit or circuit board and method thereof
US8535396B2 (en) 2002-08-09 2013-09-17 Infinite Power Solutions, Inc. Electrochemical apparatus with barrier layer protected substrate
US8236443B2 (en) 2002-08-09 2012-08-07 Infinite Power Solutions, Inc. Metal film encapsulation
US8445130B2 (en) 2002-08-09 2013-05-21 Infinite Power Solutions, Inc. Hybrid thin-film battery
US8431264B2 (en) 2002-08-09 2013-04-30 Infinite Power Solutions, Inc. Hybrid thin-film battery
US8404376B2 (en) 2002-08-09 2013-03-26 Infinite Power Solutions, Inc. Metal film encapsulation
US9793523B2 (en) 2002-08-09 2017-10-17 Sapurast Research Llc Electrochemical apparatus with barrier layer protected substrate
US7959769B2 (en) 2004-12-08 2011-06-14 Infinite Power Solutions, Inc. Deposition of LiCoO2
US8636876B2 (en) 2004-12-08 2014-01-28 R. Ernest Demaray Deposition of LiCoO2
US8062708B2 (en) 2006-09-29 2011-11-22 Infinite Power Solutions, Inc. Masking of and material constraint for depositing battery layers on flexible substrates
US8197781B2 (en) 2006-11-07 2012-06-12 Infinite Power Solutions, Inc. Sputtering target of Li3PO4 and method for producing same
US9334557B2 (en) 2007-12-21 2016-05-10 Sapurast Research Llc Method for sputter targets for electrolyte films
US8268488B2 (en) 2007-12-21 2012-09-18 Infinite Power Solutions, Inc. Thin film electrolyte for thin film batteries
US8518581B2 (en) 2008-01-11 2013-08-27 Inifinite Power Solutions, Inc. Thin film encapsulation for thin film batteries and other devices
US9786873B2 (en) 2008-01-11 2017-10-10 Sapurast Research Llc Thin film encapsulation for thin film batteries and other devices
US8350519B2 (en) 2008-04-02 2013-01-08 Infinite Power Solutions, Inc Passive over/under voltage control and protection for energy storage devices associated with energy harvesting
US8906523B2 (en) 2008-08-11 2014-12-09 Infinite Power Solutions, Inc. Energy device with integral collector surface for electromagnetic energy harvesting and method thereof
US8260203B2 (en) 2008-09-12 2012-09-04 Infinite Power Solutions, Inc. Energy device with integral conductive surface for data communication via electromagnetic energy and method thereof
US8508193B2 (en) 2008-10-08 2013-08-13 Infinite Power Solutions, Inc. Environmentally-powered wireless sensor module
US8599572B2 (en) 2009-09-01 2013-12-03 Infinite Power Solutions, Inc. Printed circuit board with integrated thin film battery
US9532453B2 (en) 2009-09-01 2016-12-27 Sapurast Research Llc Printed circuit board with integrated thin film battery
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