Abstract: A battery pack including a battery module and a heater is provided. The battery module includes a plurality of cylindrical batteries, a thermal diffusing plate, a first chamber, and a second chamber. The thermal diffusing plate houses and holds the plurality of cylindrical batteries. The first chamber is configured to distribute cooling air to cool each of the plurality of cylindrical batteries. The second chamber is formed at least in part by the thermal diffusing plate. The heater is configured such that convection occurs in the second chamber.

Abstract: A lid of a rechargeable battery includes a lid body that closes an opening of a case body and is supported by a case-side mating surface surrounding the opening of the case body. The lid also includes an inserted portion having a shape of a quadrangular column. The inserted portion protrudes from the lid body toward an inner part of the case body and extends along an inner circumferential surface of the case body. The lid also includes a rounded corner present in the distal end of the inserted portion in a protruding direction in which the inserted portion protrudes from the lid body. The lower limit of an edge-removal dimension of the corner is equal to an average particle diameter of a material for the lid.

Abstract: An alloy includes lithium, silicon and tin. An anode may be formed of an anode material containing the alloy of lithium, silicon and tin. The anode material may include an electrolyte. The anode material may be a pressed powder pellet that is solid at ambient temperature. A battery, for example, a thermal battery, can contain an electrolyte-separator, a cathode, and/or an anode with the alloy of lithium, tin and silicon. The anode formed of the alloy consisting of lithium, tin and silicon can have a melting point from about 500° C. to about 600° C. or higher making it suitable for use in a thermal battery.

Abstract: A layered lithium metal oxide powder for a cathode material used in a rechargeable battery, with the general formula (1?x)[Lia-bAb]3a[CO1-cMc]3b[O2-d-eN?e]6c.xLi3PO4, with 0.0001?x?0.05, 0.90?a?1.10, 0<b+c?0.1, ?0.1?d?0.1 and e?0.05, wherein A and M are one or more elements including at least one of the group consisting of Mg, Ti and Al; wherein N? is either one or more dopants of the group consisting of F, S, N and P; the powder consisting of a core and an ion-conductive electron-insulating surface layer, the core having a layered crystal structure and the surface layer comprising a mixture of elements of the core material, oxides comprising either one or more elements of the group consisting of Mg, Ti and Al; and Li3PO4.

Abstract: The disclosure describes a method for operating a battery system having at least a first battery module and a second battery module. The method includes activating the first battery module for a defined clock time, then activating the second battery module for the defined clock time, and at the same time deactivating the first battery module.

Abstract: The invention relates to a device for removing water from a battery housing (100) or a battery separator, comprising a body (310) having a plurality of capillaries (3201-3207) and electrodes (330, 340) for producing an electric field, and a control device (350) for controlling the electric field for removing water through means of the capillaries (3201-3207), a battery housing, a battery separator, a battery system, a vehicle, a method, a computer program and a computer program product.

Abstract: A secondary battery pack is provided that includes a battery cell array configured to have a structure in which two or more battery cells, each of which includes electrode terminals and a thermally bonded surplus portion formed at the side thereof at which the electrode terminals are formed, are arranged side by side, a protection circuit module (PCM), the PCM being loaded on the thermally bonded surplus portions of the battery cells, a cartridge frame including two or more battery cell location parts for fixing the two battery cells, respectively, each of the battery cell location parts being formed in a frame shape, and a sheathing label attached to the cartridge frame such that the sheathing label wraps the cartridge frame in a state in which the battery cells, to which the PCM is connected, are fixed in the cartridge frame.

Abstract: Disclosed herein is a battery pack including two or more plate-shaped battery cells arranged in plane such that electrode terminals of the battery cells are aligned in one direction, a pack frame including two or more battery cell receiving parts surrounding outer circumferences of the battery cells in a state in which upper and lower surfaces of the battery cells arranged in plane are opened, a pack frame including a receiving part to receive the two or more plate-shaped battery cells, the receiving part surrounding outer circumferences of the battery cells in a state in which upper and lower surfaces of the battery cells arranged in plane are opened, a protection circuit module (PCM) electrically connected to the electrode terminals to control operation of the battery pack, a middle mold to receive the PCM, the middle mold being loaded on the sealed surplus portions, an electrically insulative member applied into a space defined by the sealed surplus portions and the pack frame and onto the middle mold and

Abstract: A water cooling system for a battery includes: a cartridge combining a pair of battery cells; a base heat transfer plate having a first side being in surface contact with a side of the cartridge; a projective heat transfer plate protruding on a surface where the base heat transfer plate and the cartridge are in contact with each other; and a cooling channel being in surface contact with a second side of the base heat transfer plate and having a hole through a center for cooling water to flow.

Abstract: A secondary battery according to an embodiment of the present disclosure includes an external terminal electrically connecting a charge collector disposed inside a battery case with a terminal, a first part electrically connected to the charge collector, a second part electrically connected to the terminal, a first connection part electrically connecting the first part with the second part, and a second connection part electrically connecting the first part with the second part, the second connection part being different from the first connection part. The first connection part is ruptured when a displacement of the displacement part toward the outside of the battery case is transferred to the first connection part, and the second connection part becomes nonconductive when a temperature of the second connection part reaches a predefined temperature.

Abstract: A lithium secondary battery including a cathode, an anode and a non-aqueous electrolyte. The cathode includes a cathode active material containing lithium-metal oxide of which at least one of metals has a concentration gradient region between a core part and a surface part thereof. The lithium-metal oxide includes elements M1, M2, and M3. M3 has a concentration gradient region with increased concentration between the core part and the surface part, M1 has a concentration gradient region with decreased concentration between the core part and the surface part, and M2 has a constant concentration from the core part and the surface part. The anode includes graphite having an average lattice distance d002 of 3.356 to 3.365 ?.

Abstract: An all-solid-state battery that makes it possible to improve the cycling properties is provided. The all-solid-state battery includes an anode; a cathode; a solid electrolyte layer that is arranged between the anode and the cathode; an anode collector that is connected to the anode; and a cathode collector that is connected to the cathode. In the all-solid-state battery, a metal layer is arranged between the anode and the anode collector and/or between the cathode and the cathode collector, and metal that does not undergo an electrochemical reaction with metal ions under a potential environment where an active material stores and releases the metal ions, and whose percent elongation is no less than 22% is used for the metal layer.

Abstract: A lithium secondary battery includes a cathode electrode, an anode electrode, and a separation film installed between the cathode electrode and the anode electrode, wherein the cathode electrode includes a cathode active material containing lithium-metal oxide of which at least one of metals has a concentration gradient region between a core part and a surface part thereof, and the separation film includes a base film and a ceramic coating layer formed on at least one surface of the base film, such that it is possible to achieve a significantly improved effect in both of the lifespan property and penetration durability.

Abstract: An electricity storage device includes an electrode assembly and a load applying mechanism. The load applying mechanism applies, to the electrode assembly, a load in a direction in which the positive electrode and the negative electrode are stacked in the electrode assembly. The negative electrode includes a metal foil and an active material layer that covers at least part of the metal foil and contains a carbon-based material as an active material. The density of the carbon-based material in the active material layer is 1.2 g/cm3 or higher. The degree of orientation that is defined as a ratio (I(100)/I(002)) of an X-ray diffraction intensity I(100) of a (100) plane to a diffraction intensity I(002) of a (002) plane in the active material layer is lower than or equal to 0.3. The load applied by the load applying mechanism is greater than or equal to 0.22 MPa.

Abstract: Disclosed is a battery unit providing predetermined surface pressure to battery cells and absorbing expansion of the battery cells, thereby increasing durability. Further, by dualizing components for absorbing surface pressure of the battery cells, the battery unit allows manufacturing cost to be reduced because the rest of the components are shared.

Abstract: A positive electrode is disclosed for a non-aqueous electrolyte lithium rechargeable cell or battery. The electrode comprises a lithium containing material of the formula NayLixNizMn1-z-z?Mz?Od, wherein M is a metal cation, x+y>1, 0<z<0.5, 0?z?<0.5, y+x+1 is less than d, and the value of d depends on the proportions and average oxidation states of the metallic elements, Li, Na, Mn, Ni, and M, if present, such that the combined positive charge of the metallic elements is balanced by the number of oxygen anions, d. The inventive material preferably has a spinel or spinel-like component in its structure. The value of y preferably is less than about 0.2, and M comprises one or more metal cations selected preferably from one or more monovalent, divalent, trivalent or tetravalent cations, such as Mg2+, Co2+, Co3+, B3+, Ga3+, Fe2+, Fe3+, Al3+, and Ti4+.

Abstract: An active material containing a monoclinic ?-type titanium oxide or a monoclinic ?-type titanium complex oxide. A carbonate ion is disposed on at least a part of a surface of the active material. The active material has a peak belonging to a carbonate ion in at least a. region of 1430±30 cm?1, 1500±30 cm?1 and 2350±30 cm ?1 in an infrared diffuse reflection spectrum obtained using a Fourier transform infrared spectrophotometer.

Abstract: Various embodiments of a novel chemical synthesis route for lithium ion battery applications are focused on the synthesis of a new active material using NMC (Lithium Nickel Manganese Cobalt Oxide) as the precursor for a phosphate material having a layered crystal structure. Partial phosphate generation in the layer structured material stabilizes the material while maintaining the large capacity nature of the layer structured material.

Abstract: One variation of a battery unit includes: a substrate including silicon and defining a cell, wherein the cell includes a base encompassed by a continuous wall and a set of posts extending normal to the base; an electrolyte material coating vertical surfaces of each post, in the set of posts, and vertical surfaces of the continuous wall in the cell; a cathode material filling the cell over the electrolyte material, between posts in the set of posts, and between the set of posts and the continuous wall; a seal extending along a top of the continuous wall; and a cathode current collector bonded to the seal, electrically coupled to the cathode material, and cooperating with the substrate to enclose the cell to form a single-cell battery.

Abstract: The problem addressed by the present invention is to obtain an electrolyte membrane that, as an electrolyte membrane for a redox flow secondary battery, is able to suppress the ion permeability of an active substance without detracting from proton (H+) permeability, has superior ion-selective permeability, has low electrical resistivity, and has superior current efficiency. The present invention solves the abovementioned problem by means of the electrolyte membrane for a redox flow secondary battery containing a perfluorocarbon sulfonic acid resin having a specific structure and an equivalent weight (EW), and the ion conductivity being adjusted to a predetermined range.