Abstract: The present invention relates to a new lithium ion battery separator and a manufacturing method therefor, composite fine-denier POY fibers with polypropylene PP acting as a core and alkali-soluble polyester COPET and polyethylene PE acting as a skin are produced by means of a chemical fiber composite spinning technology, wherein the COPET and PE are distributed as an islands-in-the-sea form, then the POY fibers are arranged as a fabric with a certain breadth by means of beam-warping, the fabric is subjected to stretching and hot-pressing by a hot roll such that the PE component having a low melting point is melted and joined to form a film, and then the COPET is dissolved away by means of an alkali solution such that a place where the COPET is present in the film become pores and PP fibers become the skeleton of the film, thus forming a lithium ion battery separator.

Abstract: A current interrupt device, which may be included in a battery module, includes first and second connection parts each having one surface on which an inclined surface is formed; wherein the inclined surface of the first connection part and the inclined surface of the second connection part contact each other to form a contact interface, the first connection part and the second connection part are electrically connected to each other, and when an external force equal to or greater than a predetermined force is applied to the inclined surface of the first connection part or the inclined surface of the second connection part, the inclined surface of the first connection part and the inclined surface of the second connection part are dislocated with respect to each other on the contact interface to interrupt electrical connection between the first connection part and the second connection part.

Abstract: Disclosed herein is a pouch-shaped secondary battery including a laminate sheet including an outer coating layer, a metal layer, and an inner adhesive layer, an electrode assembly, an electrolytic solution, and a heat transfer member connecting the electrode assembly to the metal layer of the laminate sheet, wherein the laminate sheet extends around the electrode assembly, the electrolytic solution, and the heat transfer member.

Abstract: A fuel cell separator includes a first separator plate and a second separator plate for an anode or a cathode. The first and second separator plates are adjacent to each other for assembly in a fuel cell stack. A first protrusion is formed at an edge portion of the first separator plate and protrudes toward the second separator plate arranged facing the first separator plate. A second protrusion is formed at an edge portion of the second separator plate and protrudes toward the first separator plate arranged facing the second separator plate. With the first and second separator plates adjacent to each other, since side surfaces of the first and second protrusions push each other, assembly positions of the first and second separator plates are regulated. The first and second protrusions are arranged such that opposing side surfaces thereof are spaced from each other. A third gasket is arranged in a gap between the first and second protrusions.

Abstract: The present disclosure is directed to an electrochemical cell connector for electrically connecting a plurality of electrochemical cells, and to battery packs including the electrochemical cell connector. The electrochemical cell connectors of the present disclosure are fabricated from a flexible circuit. The flexible circuit includes conductors, such as nickel conductors, soldered or otherwise attached thereto via holes or openings in the flexible circuit. These conductors may be welded or otherwise attached to an electrochemical cell, and the electrochemical cell connections made on the flexible circuit. In many embodiments, the conductors may be attached to the flexible circuit using industry standard automated assembly equipment thus streamlining the manufacturing process and improving overall quality of the product.

Abstract: Disclosed is a separator which includes a porous polymer substrate including a polymer showing a variation in phase angle represented by the following Formula 1 at 0.1 Hz depending on an increase in temperature. An electrochemical device including the separator is also disclosed. Variation in phase angle at 0.1 Hz=[(Phase angle190?Phase angle280)/(Phase angle190)]×100?0%,??[Formula 1] wherein Phase angle190 means the phase angle of the porous polymer substrate at 0.1 Hz and 190° C., and Phase angle280 means the phase angle of the porous polymer substrate at 0.1 Hz and 280° C.

Abstract: A fuel cell having a structure for detachably mounting a cell-monitoring connector thereon includes separators arranged to be spaced apart from each other in a first direction, each of the separators including a receiving recess arranged in one side thereof, and hook-shaped gaskets respectively disposed on the separators and located around the receiving recess. The cell-monitoring connector includes a housing, at least a portion of the housing being received in a receiving space defined by the receiving recess, and connection terminals inserted into the housing to be connected to the separators. The housing includes a body inserted into the receiving space in a second direction that intersects the first direction, and a lever portion including a latching protrusion configured to be latched to or separated from a corresponding gasket among the hook-shaped gaskets by a pressing operation.

Abstract: A battery module having at least one battery cell is disclosed, in particular a lithium-ion battery cell, comprising a housing, in which the at least one battery cell is accommodated, and a temperature-regulating element, wherein a Peltier element is furthermore arranged between the at least one battery cell and the temperature-regulating element, which Peltier element is thermally conductively connected in each case to the at least one battery cell and the temperature-regulating element, and which Peltier element is furthermore connected to a voltage source in such a way that heat transfer between the at least one battery cell and the temperature-regulating element is able to be formed by means of the Peltier element, wherein a compensation element for homogenizing the temperature, said compensation element being formed from a metallic material, is furthermore arranged between the at least one battery cell and the Peltier element, wherein preferably the at least one battery cell is directly or cohesively con

Abstract: The present invention relates to a safety-improved battery cell including a thermal expansion tape and a method of manufacturing the same, wherein a battery pack including multiple battery cells is configured such that heat generated during a charging/discharging process and internal gas generated thereby are discharged to outside of a battery cell by employing a thermal expansion tape. Thus, the present invention can improve safety of a pouch-type secondary battery pack by discharging gas generated in a pouch-type secondary battery. In addition, the present invention utilizes pressure of gas generated in the secondary battery and thus can be operable without provision of a separate device and an external power source. Moreover, the present invention can perform repetitive gas discharge due to a configuration of a fixing unit having thermal expansion properties.

Abstract: The fuel cell system comprises a fuel gas tank, a fuel cell configured to generate electricity with oxidizing gas and fuel gas supplied from the fuel gas tank, a current sensor configured to detect output current from the fuel cell, a voltage sensor configured to detect output voltage from the fuel cell, and a controller. The controller is configured to determine that fuel gas quality does not meet predetermined standard quality when the controller determines output from the fuel cell has decreased using current values detected by the current sensor and voltage values detected by the voltage sensor after filling operation of the fuel gas into the fuel gas tank.

Abstract: Rechargeable, non-aqueous lithium batteries which contain, as active anode material, either lithium metal or a lithium alloy, an active cathode material with a redox potential in the range of between 1.5 and 3.4 V vs Li/Li+ and lithium rhodanide (LiSCN) as electrolyte component. One or more related methods for providing overcharge protection are also described herein.

Abstract: The present disclosure provides a secondary battery and an electrode plate. The electrode plate includes a current collector, an active material layer, and a first protective layer. The current collector includes an insulating layer and a conductive layer disposed on the insulating layer. The conductive layer has a main body portion covered by the active material layer and a protrusion portion uncovered by the active material layer. The first protective layer is disposed on a side of the protrusion portion facing away from the insulating layer. The electrode plate further includes a conductive structure, which has a connecting portion fixed on the main body portion, and a first extending portion exceeding an end of the protrusion portion away from the main body portion. The first protective layer is disposed on a side of the connecting portion close to the active material layer along a height direction.

Abstract: A battery module for a motor vehicle includes a battery module housing, at least one battery cell package which is inserted into the battery module housing in an assembly direction, at least two battery cells which are connected electrically in series, and two head plates for closing the battery module housing. The head plates are arranged and configured in order to indirectly or directly exert a pretensioning force onto the battery cell package in the assembly direction.

Abstract: A battery module includes a plurality of battery blocks arranged in an X direction and thermal insulating boards that are each disposed between the battery blocks adjacent to each other in the X direction. The thermal insulating boards have a thermal insulating property. Each battery block includes a plurality of cylindrical batteries closely arranged in two or more rows in a staggered formation, with central axes of the cylindrical batteries being parallel to each other, and a block case entirely surrounding a periphery of a battery unit made up of the plurality of the cylindrical batteries so that the plurality of cylindrical batteries stays closely arranged.

Abstract: This invention relates to the field of energy storage devices, and especially electrochemical energy storage devices where an electroactive moiety is chemically attached to a conductive polymer In particular, the invention relates to the design and fabrication of electrodes for the use in electrochemical storage devices having an electrochemically active conjugate. The electrochemically active conjugate preferably has an electroactive moiety selected from electroactive metal center, an electroactive organic species, or an electroactive non-metal species. Depending on the selected electroactive moiety, it can be attached either directly or through an appropriate linker to the conductive polymer.

Abstract: A method for manufacturing a membrane electrode assembly for a fuel cell, in which uniform pressure is applied to the entire area of an electrode during a transferring process to ensure uniformity of products. The method includes an electrode forming step of forming an electrode layer by coating an electrode slurry on a support; a transferring step of aligning the electrode layer on both surfaces of an electrolyte membrane and applying heat and pressure to transfer the electrode layer; and removing the support, wherein in the transferring step, gas pressure is applied to a gas pressure platen of a stretchable material to transfer the electrode layer to the electrolyte membrane.

Abstract: A thermal management system for an on-vehicle battery includes a battery, a first thermal element, a second thermal element, a battery mounting bracket, and a vehicle body structural element. The battery mounting bracket includes a first portion attached to the vehicle body structural element, and a second portion attached to the first thermal element. The first thermal element is attached to the first end portion of the battery, and the second thermal element is attached to at least one of the second end portion, the first and second side portions, the top portion or the bottom portion of the battery. The first thermal element is composed from a first phase-change material having a first phase-change temperature and the second thermal element is composed from a second phase-change material having a second phase-change temperature, wherein the first phase-change temperature is greater than the second phase-change temperature.

Abstract: Lead-acid batteries with low water consumption and hydrogen gassing, comprise electrodes of a carbon fibre material having a surface area of less than 50 m2/g. The carbon fibre material may also comprise non-carbon functional groups less than 22% by mass in the bulk fibre, and at least 78% carbon by mass in the bulk fibre. The carbon fibre material may be heated to a temperature of at least 1000° C. and cooled in an inert atmosphere to prevent non-carbon functional groups reforming on the carbonised carbon fibre material. The batteries are suitable for use in hybrid vehicles.

Abstract: The present disclosure discloses a battery housing apparatus. The apparatus includes a housing body and a battery locking mechanism. The housing body is configured with at least one battery compartment for housing a battery. The battery locking mechanism is disposed on the housing body and configured to indicate whether the battery is mounted in place during a process of mounting the battery in the battery compartment and to lock the battery in the battery compartment after the battery is mounted in place.

Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte having a lithium ion conductivity, and the negative electrode includes a negative electrode collector, a negative electrode active material layer provided on a surface of the negative electrode collector, and a coating film which at least partially covers a surface of the negative electrode active material layer and which has a lithium ion permeability. The coating film contains a lithium compound which contains an element M, an element A, an element F, and lithium; the element M is at least one selected from the group consisting of P, Si, B, V, Nb, W, Ti, Zr, Al, Ba, La, and Ta; and the element A is at least one selected from the group consisting of S, O, N, and Br.