Abstract: To provide a method of efficiently manufacturing an organic light-emitting element with excellent light-emitting characteristics by application, the method includes: preparing ink and filling an inkjet device having an ink ejection nozzle with the ink; preparing a substrate having a base layer including a first electrode; and positioning the inkjet device above the substrate, and causing the inkjet device to eject a drop of the ink onto the base layer, wherein, in the preparation of the ink, a value Z denoting a reciprocal of the Ohnesorge number Oh determined by density ? (g/dm3), surface tension ? (mN/m), and viscosity ? (mPa·s) of the ink and a diameter r (mm) of the ink ejection nozzle satisfies Formula 1, in the ejection of the drop of the ink, speed V (m/s) of the ejected drop satisfies Formula 2, and the value Z and the speed V (m/s) satisfy Formula 3.

Abstract: In a coating-type electron injection layer or electron transport layer using a metal oxide, the present invention aims at improving uniformity or stability of composition distribution and adhesion with another adjoining constituent layer, and improving film forming property, to thereby provide an organic electronic device and manufacture of the device whose efficiency is improved. In the organic electronic device having one pair of electrodes on a substrate, and having at least one organic layer between the electrodes, the electron injection layer or the electron transport layer is formed by application of a liquid material in which an alkaline metal salt and zinc-oxide nano particles are dissolved in alcohol.

Abstract: A method of fabricating an organic electroluminescent display includes: forming a plastic layer on a substrate including a first pixel region; patterning the first plastic layer to form a first opening in the first pixel region; forming a first organic light emitting layer on the first plastic layer having the first opening; and removing the first plastic layer from the substrate to form a first organic light emitting pattern in the first opening.

Abstract: Provided are a cell capable of preventing damage to an insulating gasket by spatter scattered when a battery case and a cover plate are laser-welded together, and thereby ensuring sealability of a cell case and a method for manufacturing the cell. A shielding member is arranged between a weld line and at least a portion of the insulating gasket adjacent to the weld line. Since the shielding member blocks the spatter scattered toward the insulating gasket, the insulating gasket is not damaged by the spatter. The insulating gasket is not damaged, so that adhesion between the insulating gasket and the cover plate is not lowered, and the sealability of the cell case is ensured.

Abstract: A storage battery module is provided in which, even in a case where the storage battery module is formed by integrally assembling a plurality of secondary batteries, the secondary batteries can be compactly assembled while non-uniformity in battery temperature distribution is prevented, and wiring connection work is facilitated. Using a secondary battery RB (RB1 to RB4) including a battery can 10 that houses an electrode group 1 and rectanglar shape two secondary batteries are juxtaposed in parallel, they are spaced by a predetermined distance from each other, and with respect to these juxtaposed secondary batteries as one unit, in a direction in which units of these are stacked, these units are shifted in orientation by 90° from each other, and thus a storage battery module (M1 to M8) having a configuration in which a plurality of secondary batteries are stacked in parallel crosses is obtained.

Abstract: A battery compartment insert for use with a battery holder that utilizes an assembly of two cells sealed in shrink wrap, thus replacing the need for use of the battery assembly. The insert includes a battery compartment lid for holding two separate lithium bromide battery cells and four electrical contacts. There are two electrical contacts corresponding to each battery cell. The battery compartment lid includes two diodes each corresponding to one of the battery cells and guide posts such that each individual battery cell can be taken out and replaced. The battery compartment lid corresponds to the battery holder such that two electrical contacts are each able to electrically communicate with a corresponding battery cell such that a device may be powered by the battery cells.

Abstract: A power supply device structure wherein connection terminals of a battery case are held in a floating state inside the battery case, without using screws or soldering. A battery pack for mounted to and detached from a vehicle includes the battery case for accommodating battery cells for supplying electric power to an electric motor. Battery case side terminals are accommodated in an insulator block. A plurality of ribs, project from a wall part of the battery case and are disposed along an outer surface of the insulator block. The insulator block is provided at its outer circumference with two flanges and an intermediate part located therebetween. The outer circumferential surface of the intermediate part is loosely fitted in an opening of the battery case, with a gap therebetween.

Abstract: A porous interlayer for a lithium-sulfur battery includes an electronic component and a negatively charged or chargeable lithium ion conducting component. The electronic component is selected from a carbon material, a conductive polymeric material, and combinations thereof. In an example, the porous interlayer may be disposed between a sulfur-based positive electrode and a porous polymer separator in a lithium-sulfur battery. In another example, the porous interlayer may be formed on a surface of a porous polymer separator.

Abstract: This separator is provided at least at one surface thereof with a heat-resistant layer containing inorganic oxide particles and a binder, and the inorganic oxide particles have a component containing gallium in the range of 5 to 200 weight ppm in an aluminum oxide. This lithium ion secondary battery has: an electrode body including a positive electrode plate and a negative electrode plate laminated by interposing the separator therebetween; and a non-aqueous electrolytic solution impregnated in the electrode body. A lithium ion secondary battery using the separator having the heat-resistant layer is therefore less likely to cause a rise in resistance even in use under high-rate conditions.

Abstract: An electrical energy storage and/or generation device with an architecture including a stack of electrical storage and/or generation elements, such as microbatteries. An electrical connection is not made between the different stacked elements during manufacture, but subsequently with assistance of an electronic control unit to configure, in series and/or in parallel, all or a proportion of the elements, and to configure electrical outputs of the device, such as the electrical voltage or the storage capacity.

Abstract: Disclosed herein is a spacer used in a battery pack having a plurality of battery cells mounted in a pack case, wherein the spacer is configured to have a top shape corresponding to the inner shape of the pack case in vertical section and a bottom shape corresponding to the outer circumferential shape of the battery cells in vertical section so that the spacer can be mounted in a space defined between the battery cells and the pack case, grooves, in which electrical connection members are mounted, are formed at the top of the spacer, and the spacer includes at least one temperature detection member mounting part including a horizontal opening open in one direction or in opposite directions and a vertical opening communicating with the horizontal opening so that a temperature detection member is inserted from one side of the spacer and mounted in a space defined between the battery cells.

Abstract: A battery pack including a battery cell having an electrode assembly of a cathode/separator/anode structure mounted in a battery case together with an electrolyte in a sealed state, and a protection circuit module (PCM) electrically connected to the battery cell. The PCM includes a protection circuit board (PCB) electrically connected to the battery cell, the PCB being provided on a region where a circuit is connected with a conductive pattern including a fusing part, having relatively high resistance, configured to fuse itself for interrupting the flow of current when a large amount of current is conducted.

Abstract: To provide a positive electrode for a lithium-ion secondary battery, which is highly filled with a positive electrode active material and has a high-density positive electrode active material layer. To provide a lithium-ion secondary battery having high capacity and improved cycle characteristics with use of the positive electrode. After graphene oxide is dispersed in a dispersion medium, a positive electrode active material is added and mixed to form a mixture. A binder is added to the mixture and mixed to form a positive electrode paste. The positive electrode paste is applied to a positive electrode current collector and the dispersion medium contained in the positive electrode paste is evaporated, and then, the graphene oxide is reduced, so that a positive electrode active material layer containing graphene is formed over the positive electrode current collector.

Abstract: The invention relates to a lithium vanadium oxide which corresponds to the formula Li1+?V3O8 (0.1???0.25). It is composed of agglomerates of small needles having a length l from 400 to 1000 nm, a width w such that 10<l/w<100 and a thickness t such that 10<l/t<100. It is obtained by a process consisting in preparing a precursor gel by bringing ?-V2O5 and a Li precursor into contact in amounts such that the ratio of the concentrations [V2O5]/[Li] is between 1.15 and 1.5 and in subjecting the gel to a heat treatment comprising a first stage at 80° C.-150° C. for 3 h to 15 days and a second stage between 250° C. and 350° C. for 4 min to 1 hour, under a nitrogen or argon atmosphere. It is useful as an active material of a positive electrode.

Abstract: According to one embodiment, a non-aqueous electrolyte battery includes an outer package, a positive electrode housed in the outer package, a negative electrode housed with a space from the positive electrode in the outer package and including an active material, and a non-aqueous electrolyte filled in the outer package. The active material includes a lithium-titanium composite oxide particle, and a coating layer formed on at least a part of the surface of the particle and including at least one metal selected from the group consisting of Mg, Ca, Sr, Ba, Zr, Fe, Nb, Co, Ni, Cu and Si, an oxide of at least one metal selected from the group or an alloy containing at least one metal selected from the group.

Abstract: Methods for manufacturing multi-functional electrode (MFE) devices for fast-charging of energy-storage devices are provided. The method includes assembling first MFE structure for forming a suitable electrochemical half-couple, the first MFE structure having a first fast-charging component (FCC) and a first MFE assembly and a counter-electrode structure for forming a complementary electrochemical half-couple and supplying an internal voltage controller (IVC) for applying a bias potential to the first MFE structure and/or the counter-electrode structure, the bias potential is set in accordance with the first MFE structure and said counter-electrode structure. The IVC is configured to regulate an intra-electrode potential gradient between the first FCC and the first MFE assembly to control a charge rate from the first FCC to the first MFE assembly.

Abstract: Described herein are improved composite anodes and lithium-ion batteries made therefrom. Further described are methods of making and using the improved anodes and batteries. In general, the anodes include a porous composite having a plurality of agglomerated nanocomposites. At least one of the plurality of agglomerated nanocomposites is formed from a dendritic particle, which is a three-dimensional, randomly-ordered assembly of nanoparticles of an electrically conducting material and a plurality of discrete non-porous nanoparticles of a non-carbon Group 4A element or mixture thereof disposed on a surface of the dendritic particle. At least one nanocomposite of the plurality of agglomerated nanocomposites has at least a portion of its dendritic particle in electrical communication with at least a portion of a dendritic particle of an adjacent nanocomposite in the plurality of agglomerated nanocomposites.

Abstract: A negative electrode active material and a secondary battery including the same are provided. More particularly, the present disclosure relates to a negative electrode active material including a Si-metal alloy including Si, the Si being present in the Si-metal alloy in an amount of 66 at % or less, and at least a portion of the Si being crystalline Si. The negative active material can provide a high-capacity battery, which can retain high capacity due to little volumetric expansion during charging and discharging, thereby demonstrating an excellent life characteristic of the secondary battery. The negative electrode active material may include a Si-metal alloy including crystalline Si having a crystal grain size of 30 nm or less. Methods of preparing a negative electrode active material and methods of preparing a secondary battery including the same are also disclosed.

Abstract: A negative electrode active material for a secondary battery contains an aluminum alloy. The internal structure of the aluminum alloy has a crystalline aluminum phase in a magnesium-supersaturated solid solution state, and an amorphous aluminum phase. The amorphous aluminum phase is dispersed in the crystalline aluminum phase in the magnesium-supersaturated solid solution state. Each of these phases has a columnar shape. The magnesium content of the aluminum alloy preferably is greater than 22 at % and less than 35 at %, and more preferably, lies within a range of 25±2 at %.

Abstract: According to one embodiment, there are provided an active material for a battery having a high effective capacity, a nonaqueous electrolyte battery, and a battery pack. The active material contains a niobium-titanium composite oxide. When the active material is subjected to powder X-ray diffraction (XRD) using a Cu-K? ray source, a peak appears in a range of 2?=5°±0.5° in the diffraction pattern.

Abstract: Disclosed are a novel compound, a method for preparing the same, and a lithium secondary battery comprising the same. More specifically, disclosed are a compound in which five MO6 octahedrons are bonded to one another around one MO6 octahedron such that the MO6 octahedrons share a vertex, to form hollows and Li cations substituted instead of Na cations using an ion substitution method are present in the hollows, and a crystal structure thereof is not varied even upon intercalation and deintercalation of Li cations, a method for preparing the same, and a lithium secondary battery comprising the same as a cathode active material.

Abstract: A binder for an electrode of a lithium battery, and a lithium battery containing the binder. The binder includes: a carbon nanotube; and a polymer chemically bonded to the carbon nanotube, and thus may form a conducting path by improving dispersion of the carbon nanotube. Accordingly, the binder may have high capacity and improve the lifetime of the lithium battery.

Abstract: A positive electrode active substance including a lithium-containing metal oxide represented by the following general formula (1): LiFe1-xMxP1-ySiyO4??(1) wherein M represents an element selected from Sn, Zr, Y, and Al; 0<x<1; and 0<y<1, wherein the lithium-containing metal oxide has a lattice constant and a half value width of a diffraction peak of a (011) plane.

Abstract: To produce a method for producing a fluorinated copolymer latex with a low content of metal components and with favorable stability of the latex even with a low content of an organic solvent. A method for producing a fluorinated copolymer latex, which comprises emulsion-polymerizing a monomer mixture containing tetrafluoroethylene and propylene in the presence of an aqueous medium, an anionic emulsifying agent and a thermally decomposable radical polymerization initiator at a polymerization temperature within a range of from 50° C. to 100° C., wherein the aqueous medium comprises water alone, or water and a water-soluble organic solvent, and the content of the water-soluble organic solvent is less than 1 part by mass per 100 parts by mass of water; and the amount of use of the anionic emulsifying agent is from 1.5 to 5.0 parts by mass per 100 parts by mass of the fluorinated copolymer to be formed.

Abstract: It is an object of an exemplary embodiment of the present invention to provide a negative electrode active material having excellent rate characteristics and cycle characteristics. One embodiment according to the present invention is a negative electrode active material comprising a carbon-containing composite, wherein, in the carbon-containing composite, an active material capable of intercalating and deintercalating lithium, conductive nanofibers and conductive carbon particles are coated with a carbon material and are integrated.

Abstract: A rechargeable battery, including a first electrode including a first metal plate, a first coated region where a first material is applied onto the first metal plate, and a first uncoated region, the first metal plate having a first thickness in the first uncoated region and a second thickness in the first coated region, the first thickness being greater than the second thickness, a second electrode including a second metal plate, a second coated region where a second material is applied onto the second metal plate, and a second uncoated region, a separator between the first electrode and the second electrode, a case housing the first electrode, the separator, and the second electrode, and a current collecting plate connected to the first uncoated region through a side thereof.

Abstract: The present invention provides a conductive protective layer-forming paste for current collector laminates which can be used even for high voltage designs to protect current collectors from corroding without loss of cell characteristics, and a current collector laminate, an electrode laminate, and nonaqueous secondary cells (e.g. a lithium secondary cell, an electric double layer capacitor) that include a conductive protective layer formed therefrom. The paste for forming conductive protective layers for current collector protection includes: polytetrafluoroethylene; and a conductive filler (b). The current collector laminate includes: a conductive protective layer (A); and a current collector (B), the conductive protective layer (A) being formed by coating the paste for forming conductive protective layers onto the current collector (B).

Abstract: A carbon catalyst which has high catalytic activity and can achieve high catalyst performance is provided. The carbon catalyst comprises nitrogen. The energy peak area ratio of the first nitrogen atom whose electron in the 1s orbital has a binding energy of 398.5±1.0 eV to the second nitrogen atom whose electron in the 1s orbital has a binding energy of 401±1.0 eV (i.e., the value of (the first nitrogen atom)/(the second nitrogen atom)) of the nitrogen introduced into the catalyst is 1.2 or less.

Abstract: A process for preparing a catalytic material including (i) a support material and (ii) a thin film catalyst coating, the coating including one or more first metals, wherein the process includes the steps of: providing a multilayer thin film coating of a second metal on the support material; and spontaneous galvanic displacement of at least some of the second metal with the one or more first metals; wherein the second metal is less noble than the one or more first metals.

Abstract: A fuel cell equipped with at least an air electrode side power collector layer, an air electrode catalyst layer, a polymer electrolyte membrane, a fuel electrode catalyst layer and a fuel electrode side power collector layer and provided with a porous body layer having a porous body at a liquid fuel side of the fuel electrode side power collector layer assumes a structure in which the porous body layer is provided with a gas flow velocity (superficial velocity in the layer) of 10 to 5000 cm/s at a differential pressure of 100 kPa. The porous body layer is a diffusion medium of a fuel into the fuel electrode catalyst layer and a discharge resistor of gases comprising carbon dioxide and steam which are electrode reaction products and a vapor of the liquid fuel in progress of electrode reaction. An interface of the gases and a gases layer are also provided.

Abstract: A fuel cell stack includes a stacked body, a first terminal plate, a first insulator, a first end plate, a second terminal plate, a second insulator, a second end plate, a fluid manifold, a fluid channel, a fluid hole, a first connection passage, and a second connection passage. The stacked body includes a plurality of separators and a membrane electrode assembly. The plurality of separators and the membrane electrode assembly are stacked in a stacking direction. The membrane electrode assembly includes an electrolyte membrane and a pair of electrodes sandwiching the electrolyte membrane therebetween. The stacked body has a first end and a second end opposite to the first end in the stacking direction. The first terminal plate, the first insulator, and the first end plate are disposed at the first end of the stacked body.

Abstract: A fuel cell includes a cathode side separator. An oxygen-containing gas flow field is formed on a surface of the cathode side separator. The oxygen-containing gas flow field includes an inlet channel having a plurality of flow grooves connected to the oxygen-containing gas supply passage, an outlet channel having a plurality of flow grooves connected to the oxygen-containing gas discharge passage, and an intermediate channel having flow grooves with both ends connected to the inlet channel and the outlet channel respectively. The flow grooves of the outlet channel are longer than the flow grooves of the inlet channel, and the flow grooves of the outlet channel are narrowed toward the oxygen-containing gas discharge passage.

Abstract: In a solid polymer fuel cell, destabilization of a voltage when an output state is changed is suppressed, and flow of a corrosion current through a cooling liquid in a cooling liquid manifold is reduced. The fuel cell is constructed by laminating a plurality of fuel battery cells, each including an MEA, a pair of separators, a frame that surrounds the periphery of the MEA, an anode, and a cathode, and a cooling liquid manifold that is formed by the frame. A flow channel of the cooling liquid manifold has a constant flow channel cross-sectional area, and a flow channel length of the cooling liquid manifold, which is included in one of the fuel battery cells, along a flow channel direction is longer than the thickness of the one fuel battery cell in a stacked direction.

Abstract: Provided is a fuel-cell system having a control device which controls driving of a first fuel supply device and a second fuel supply device. The control device includes, a driving-interval setting unit which sets first driving intervals for the first fuel supply device and second driving intervals for the second fuel supply device, a first fuel-supply-device control unit which sets valve-open durations of the first fuel supply device according to the first driving intervals, and a second fuel-supply-device control unit which sets valve-open durations of the second fuel supply device according to the second driving intervals. The driving-interval setting unit sets the second driving intervals to be shorter than the first driving intervals.

Abstract: A power generation apparatus comprises a fuel cell and a reforming module, wherein the reforming module is adapted to reform hydrocarbon fuel into hydrogen and other components, and to separate the hydrogen from the other components. The apparatus is arranged so that the hydrogen is fed from the reforming module to the anode of the fuel cell. Carbon dioxide may be separated in the reforming module. Hydrogen may be recycled from the anode outflow back to the anode and/or tapped off. The apparatus may also contain a desorption module for releasing carbon dioxide. The absorption and release of carbon dioxide may be integrated and the carbon dioxide absorbent and/or desorbent may be recycled. Components of the apparatus may be thermally integrated. The apparatus may be used to generate electricity and produce hydrogen.

Abstract: A fuel cell apparatus includes a fuel cell stack in which an end plate is arranged at both ends of a cell stacked body, and a conduit that is bolted to the fuel cell stack and that supplies and discharges fluid to and from the fuel cell stack. An end plate internal manifold that extends at an angle inclined with respect to a direction in which a stacked body internal manifold extends is formed inside the end plate. A conduit internal flow path is formed inside the conduit. A direction in which a portion that includes an end plate-connecting portion of the conduit internal flow path extends is inclined in the same direction as the direction in which the end plate internal manifold is inclined, with respect to a direction perpendicular to a surface of the end plate.

Abstract: In a method for starting a fuel cell system, an oxidizer gas bypass passage is operated by an oxidizer gas bypass passage controller to supply oxidizer gas to a diluter from an oxidizer gas supply device under a condition where an oxidizer gas supply passage is sealed by an oxidizer gas supply passage sealing device and an oxidizer exhaust gas exhaust passage is sealed by an oxidizer exhaust gas exhaust passage sealing device. A fuel exhaust gas recirculation passage is operated by a fuel exhaust gas recirculation passage controller to supply fuel gas to the fuel cell from a fuel gas supply device.

Abstract: A fuel cell stack has a stacked plurality of cell modules, each of the plurality of cell modules comprising a stacked plurality of single cells, each of the plurality of single cells comprising a membrane electrode assembly sandwiched between a pair of separators, a pair of end plates that sandwich the plurality of cell modules in the stacking direction, sealing plates to seal a reactant gas, disposed between the plurality of cell modules and between outermost cell modules and the end plates, and a voltage measuring terminal protruding to an outside of the cells, provided in at least one of the sealing plates.

Abstract: To diagnose a fault of a fuel cell stack, an alternating current having a first optimal frequency of a first frequency domain to diagnose a drop in cell voltage and an alternating current having a second optimal frequency of a second frequency domain to diagnose a cause of the drop in cell voltage are supplied to the fuel cell stack are provided. A distortion rate is then calculated based on voltage of the fuel cell stack according to the alternating current of the first optimal frequency, and the drop in cell voltage is diagnosed based on the calculated distortion rate. Also, impedance is calculated based on voltage and a current of the fuel cell stack according to the alternating current of the second optimal frequency and amount of water is calculated based on the calculated in the fuel cell stack, and the cause of the drop in cell voltage is diagnosed based on the calculated impedance and amount of water.

Abstract: Counter electrodes are used within the context of a flow cell to attract shunt current depositions during operation. The counter electrodes may be electrically connected with an anode of the flow cell to attract the depositions and then electrically connected with a cathode of the flow cell to remove the depositions.

Abstract: A fuel cell stack comprising multiple arrays of one or more fuel cells, each comprising an electrolyte layer, an anode layer and a cathode layer; gas separator plates between adjacent fuel cells; and oxidant gas distribution passages and fuel gas distribution passages between adjacent fuel cells; and gas separators opening to the cathode layers and the anode layers, respectively, of the fuel cells. The fuel cell arrays comprise at least first stage fuel cell arrays having associated first fuel gas distribution passages to receive fuel gas from one or more fuel gas supply manifolds and second stage fuel cell arrays having associated second fuel gas distribution passages which receive fuel exhaust from the fuel cells of the first stage fuel cell arrays. The second stage fuel cell arrays are interleaved in the stack between first stage fuel cell arrays to improve thermal gradients. Other interleaving arrangements are possible.

Abstract: A process for forming alkaline earth metal cerate nanoparticles comprises combining a stable cerium oxide aqueous colloidal dispersion with soluble alkaline earth metal salts while maintaining colloidal stability. The resulting alkaline earth metal salts may be calcined to form alkaline earth metal cerate particles having a perovskite structure.

Abstract: The method for fabricating a lithium microbattery is performed from a stack of layers successively including: a first layer made from a first material, a second layer made from a second material, a solid electrolyte layer and a first electrode. The method further includes etching to form a first pattern made from the first material and a second pattern made from the second material, the second pattern defining a covered area and an uncovered area of the electrolyte layer. The uncovered area is then etched using the second pattern as etching mask. After etching of the first pattern, a lithium-based layer is formed on the second pattern, the lithium-based layer and the second pattern forming a second lithium-based electrode.

Abstract: A method produces electrode windings, in which method a strip- or ribbon-like anode and a strip- or ribbon-like cathode are provided and flat collector lugs are formed on at least one longitudinal side of the anode and of the cathode at varying distances and/or contours are cut into the longitudinal sides of the electrodes. The anode and the cathode are wound up together with a strip- or ribbon-like separator to form a winding with the sequence anode/separator/cathode. The method is distinguished, in particular, in that the process of forming collector lugs and/or of cutting contours and the process of winding up overlap with respect to time.

Abstract: Provided is a solid electrolyte battery that has favorable charge-discharge characteristics with impedance reduced. This solid electrolyte battery has, on a substrate 10, a stacked body of a positive electrode side current collector film 30, a positive electrode protective film 31, a positive electrode active material film 40, a solid electrolyte film 50, a negative electrode potential formation layer 64, and a negative electrode side current collector film 70 stacked in this order. The positive electrode active material film 40 is composed of an amorphous positive electrode active material. The positive electrode protective film 31 is composed of LiCoO2, LiMn2O4, LiNiO2, or the like.

Abstract: The object is to provide a secondary battery which has an excellent cycle property even in high-temperature environment and which has small resistance increase even when it is used in high-temperature environment. An exemplary embodiment of the invention is a secondary battery, comprising: a positive electrode, a negative electrode, and an electrolyte liquid; wherein the electrolyte liquid comprises a chain-type fluorinated sulfone compound represented by a predetermined formula.

Abstract: A composite cathode active material including a lithium metal oxide including an oxide Formula 1 and sulfur, xLi2MnO3.(1?x?y)LiMO2.yLiMn2O4??(1) wherein 0<x<0.6, 0<y<0.1, and M is at least one selected from a metal and a metalloid.

Abstract: Provided is a bipolar all-solid-state battery capable of preventing breakage of a current collector of a bipolar electrode to suitably prevent a short circuit from occurring, and a method for producing the above-mentioned bipolar all-solid-state battery. The bipolar all-solid-state battery includes: a bipolar electrode having a current collector and an electrode active material layer including a cathode active material layer containing a cathode active material, formed on one surface of the current collector, and an anode active material layer containing an anode active material, formed on the other surface of the current collector, and a solid electrolyte layer containing a solid electrolyte. The bipolar all-solid-state battery has a plurality of the bipolar electrodes laminated via the solid electrolyte layer and a reinforcing layer formed on the surface of the current collector is disposed between the end of the electrode active material layer and the surface of the current collector.

Abstract: The present disclosure provides systems and methods for indicating battery damage. A battery may comprise an odorant and/or visible indicator material configured to be released in response to battery damage. The battery may be configured to release the odorant and/or visible indicator in response to damage to the battery housing, a cell or cells in the battery, a seal of the battery, or any other specific component of the battery. The odorant and/or visible indicator may be stored in free space in the battery housing, a battery cell, or other battery component. The battery may be configured to emit an audible and/or visible indication of battery damage in addition to releasing the odorant and/or visible indicator.

Abstract: A battery module with a battery housing includes a first conducting layer, at least one battery cell, a second conducting layer, an insulating layer, and a detecting circuit. The first conducting layer is disposed inside the battery housing. The battery cell is disposed inside the battery housing and opposite to the first conducting layer. The second conducting layer is disposed on the battery cell. The insulating layer is disposed between the first conducting layer and the second conducting layer. The first conducting layer, the second conducting layer, and the insulating layer form an internal capacitor. The detecting circuit is electrically connected with the first conducting layer and the second conducting layer for detecting a capacitance value of the internal capacitor.