Abstract: A battery module includes a cell stack in which a plurality of plate-shaped cells is stacked such that each main surface, which is a surface of each of the plate-shaped cells in a cell thickness direction, faces one another.

Abstract: Provided are compositions and methods of malting and using free-standing electrode films for electrodes by a dry process. The process for forming an electrode includes combining a processing additive and an active electrode material or fibrillizable binder to form an electrode precursor material, where the processing additive has a surface roughness and a porosity and intermixing the electrode precursor material. The electrode precursor material may then be combined with the fibrillizable binder or the active electrode material and the fibrillizable binder or the active electrode material is intermixed with the electrode precursor material to form an electrode film material. The electrode film material includes the processing additive, the fibrillizable binder and the active electrode material. The electrode film material is then compressed into an electrode film.

Abstract: A battery enclosure and method for manufacturing the same from organosheet materials. The battery enclosure includes a top cover with crossbeams integrated therein by overmolding that secures to a bottom panel to enclose a space for containing components of a battery. The bottom panel includes overmolded structural ribs to provide strength and rigidity to the bottom panel. An outer cover removably secure the top cover to the bottom panel and includes a honeycomb structure to crush upon impact and protect the battery components. The method comprises forming each of the components of the battery enclosure from a mixture of organosheets, reinforcing members, and overmolded elements to reduce the weight and complexity of manufacturing for the battery enclosure.

Abstract: A battery module includes: a positive electrode member having a positive electrode current collector, a first positive electrode active material layer, and a second positive electrode active material layer; a negative electrode member having a negative electrode current collector, a first negative electrode active material layer, and a second negative electrode active material layer; and a separator. The positive electrode current collector has a positive electrode folded-back portion. The negative electrode current collector has a negative electrode folded-back portion. The first negative electrode active material layer constitutes a first electrode together with the first positive electrode active material layer. The second negative electrode active material layer constitutes a second electrode connected in parallel with the first electrode together with the second positive electrode active material layer.

Abstract: An internal terminal is disposed inside a battery case and so as to be spaced apart from the battery case. An external terminal is disposed outside the battery case and spaced apart from the battery case, and the external terminal is connected to the internal terminal through a terminal mounting hole. An electrically insulating resin is disposed so as to fill a gap between the battery case and the internal terminal and a gap between the battery case and the external terminal, and the electrically insulating resin is joined to the battery case, to the internal terminal, and to the external terminal. At least one of the internal terminal and the external terminal includes a protruding portion protruding into the terminal mounting hole, and the internal terminal and the external terminal are joined to each other at a tip of the protruding portion.

Abstract: Disclosed are a finishing tape which is capable of reducing flow of an electrode assembly in a casing and a secondary battery including the same. As an example, disclosed is a finishing tape comprising: a first layer formed of a resin and forming a substrate; and a second layer formed on at least one side of the first layer and including a microsphere structure.

Abstract: The present disclosure discloses a high temperature cell system. The cell system may comprise at least two distinct cathode chambers. The cell system may further comprise a separator having a hollow structure enclosed between a first wall and a second wall, wherein the separator is configured to enable ion transfer between the first wall and the second wall. Further the hollow structure of the separator may define at least one anode chamber. The cell system may comprise a base configured to provide a common sealing to the at least two cathode chambers and the separator at one first end and second end respectively.

Abstract: A composition of matter and method includes Li1+x+zM(II)0.5?2x?zM(III)x+yM(IV)1.5?2y?z M(V)yM(V)zO4. M(II) includes any of Mg, Co, Ni, Cu, and Zn. M(III) includes any of Al, Cr, Fe, Ga, and In. M(IV) includes any of Ti, Mn, and Ge. M(V) includes any of Nb, Ta, Sb, and Bi. Additionally, 0?x?0.25, 0?y?0.75, 0?z?0.5, and (x+z)>0.

Abstract: A battery and straps for a battery are disclosed. The battery according to various embodiments comprises a number of straps which connect a number of battery cells in series. The battery straps may pass through cutouts provided in a cell divider wall. The cutouts and straps may define a common headspace. The battery may have five connecting straps and two end straps.

Abstract: An electrochemical device includes a first electrode assembly, a second electrode assembly, and a packaging shell. The first electrode assembly and the second electrode assembly B are each located in a separate cavity in the packaging shell. Two opposite-polarity tabs of the first electrode assembly and the second electrode assembly are connected in the packaging shell. The connected two opposite-polarity tabs comprise a first tab extending out of the packaging shell. Such design of extending the tabs and the design of ion insulation between the hermetic cavities improve the charge and discharge performance and the product quality of the electrochemical device.

Abstract: The present application relates to the field of batteries, in particular to a battery, a battery module and an electric equipment. The battery of the present application includes: a connection member, including a first connection portion configured to be electrically connected with an electrode assembly and a second connection portion configured to be electrically connected with an electrode terminal, and the first connection portion is in a folded state along a crease relative to the second connection portion; the crease is arranged between a first end face and a second end face of the first connection portion; and when the connection member is in an expanded state, the second end face and the first end face are arranged along a length direction.

Abstract: A secondary battery according to the present invention comprises an electrode assembly in which an electrode and a separator are combined and staked, a can configured to accommodate the electrode assembly therein, and an insulation coating part applied to an inner surface of the can, wherein the insulation coating part has a coating thickness of 1 ?m to 15 ?m.

Abstract: An all-solid-state secondary battery includes: a cathode layer including a cathode active material, an anode layer including an anode current collector and an anode active material layer disposed on the anode current collector, the anode active material layer including an anode active material and amorphous carbon, and a solid electrolyte layer disposed between the cathode active material layer and the anode active material layer, wherein a weight ratio of the anode active material to the amorphous carbon is 1:3 to 1:1, and the anode layer has sheet resistance of about 0.5 milliohms-centimeters or less.

Abstract: A battery pack includes a module. The module includes one or more cell pairs. Each of the one or more cell pairs includes a first cell and a second cell. The first cell includes an exterior package, an electrode assembly, and an electrode terminal. The electrode terminal includes a first main surface and a second main surface. The first main surface is oriented in a direction of the second cell. A sealing portion is formed at a peripheral edge of the exterior package. The sealing portion includes a first region, a second region, and a third region. The first region is formed between the first main surface and the resin layer. The second region is formed between the second main surface and the resin layer. The third region is formed between portions of the resin layer. The second region includes a fracture promoting portion.

Abstract: An embodiment of the present invention relates to a pouch-type secondary battery. According to embodiment of the present invention, the pouch-type secondary battery includes: an case configured to house an electrode assembly from which electrode tab are drawn out; sealing parts formed by adhering the case along outer peripheries of the electrode assembly; and folding parts formed by folding the sealing parts of surfaces on which the electrode tab drawn to an outside of the case is not formed, wherein a length of the folding part has a relationship with a thickness of the electrode assembly as the following equation: H?T/2 (wherein, H is the height of the folded folding part, T is the thickness of the electrode assembly, based on a cross-section perpendicular to a direction in which the electrode tabs of the electrode assembly are drawn out).

Abstract: A cathode active material for an all-solid-state battery includes: active material particles; and a coating layer covering at least a portion of the surface of the active material particles, wherein the coating layer includes lithium (Li), niobium (Nb), and at least one element selected from the group consisting of vanadium (V), zirconium (Zr) and combinations thereof.

Abstract: An electrode assembly includes a first electrode; a second electrode; and a separator, the first electrode, the second electrode, and the separator wound about an axis defining a core and an outer circumference of the electrode assembly. The first electrode has a pair of first sides and a pair of second sides, a first portion extending between the pair of first sides, and a second portion extending between the pair of first sides, the first portion being coated with an active material, and at least a part of the second portion includes an electrode tab. The second portion includes a first part adjacent to the core of the electrode assembly, a second part adjacent to the outer circumference of the electrode assembly, and a third part between the first part and the second part. The first or second part has a smaller height than the third part.

Abstract: A solid-state battery and a method of making the same are disclosed. The battery includes a base frame or support, first and second exterior contacts on the base frame/support, stacked solid-state battery unit cells, first and second electrical connections, and encapsulation in contact with the base frame/support and covering the solid-state battery unit cells and the electrical connections. Each stacked solid-state battery unit cell is on a metal substrate and has exposed cathode and anode current collectors. The electrical connections respectively electrically connect the exposed cathode and anode current collectors to the first and second exterior contacts. The method includes forming the stacked solid-state battery unit cells on the base frame/support, forming the exterior contacts on the base frame/support, electrically connecting the exposed cathode and anode current collectors to the respective exterior contacts, and encapsulating the solid-state battery unit cells and the electrical connections.

Abstract: A lithium ion secondary battery according to the present disclosure includes: an electrode assembly; and a case having a structure in which upper stamped portions and lower stamped portions are repeatedly stamped to cover the outside of the electrode assembly, and the upper stamped portions and the lower stamped portions form a corrugated pattern, and the electrode assembly includes: one or more unit cells each equipped with a pair of electrodes having different polarities with a separator interposed therebetween; an electrode mixture coated on one or both surfaces of the pair of electrodes; and electrode tabs protruded from the respective electrodes and not coated with the electrode mixture, and the electrode tabs include an electrode parallel connection tab and an electrode lead connection tab, and any one or more of the electrode parallel connection tab and the electrode lead connection tab is formed on the electrodes, and an elastic polymer film is overlapped on a local portion in the case.

Abstract: A marine battery system configured to provide energy to a marine vessel load is provided. The marine battery system includes a main enclosure body and an auxiliary enclosure body that is detachably coupled to the main enclosure body to define a sealed battery volume. The auxiliary enclosure body is configured to perform a pressure accommodation action responsive to an increase in a temperature within the sealed battery volume. The marine battery system further includes a battery disposed within the sealed battery volume.