Abstract: Battery monitoring systems and methods are provided. The battery monitoring system may include a battery module and battery management circuitry. The battery module comprises battery cells and a gas sensor configured to detect the presence of gas within the battery module. The battery management circuitry is configured to receive a sensor signal from the gas sensor, determine whether the sensor signal indicates the presence of gas within the battery module, and in response to determining that the sensor signal indicates the presence of gas, take an action. The action may include increasing cooling to the battery cells, limiting a maximum load that can be applied to the battery module, disconnecting the battery module, or providing a warning. The battery module may also include a component that was doped with a chemical that begins to off-gas above an activation temperature. The gas sensor may be configured to detect the chemical.

Abstract: To improve design of a lighting device. A lighting device includes optically transparent glass plates provided on side faces and placed on an optical path of light emitted from a light source, where some or all of the optically transparent glass plates contain an optically transparent battery adapted to drive the light source; and an optically transparent glass plate that contains a transparent conductive film by being provided on a bottom face, wherein the optically transparent battery is placed in contact with a pair of transparent conductive film layers, which are connected to the light source. The pair of transparent conductive film layers are formed in a pair of parallel linear grooves formed in a surface of the optically transparent glass plate on the bottom face, and a tabular positive tab and negative tab of the optically transparent battery fit in respective ones of the pair of grooves.

Abstract: Provided are a solid electrolyte composition including a sulfide-based inorganic solid electrolyte, a salt of a metal belonging to Group I or II of the periodic table, and a multibranched polymer, in which the multibranched polymer has a core portion and at least three arm portions that bond to the core portion, and the arm portion dissolves a metal ion of the salt of the metal belonging to Group I or II of the periodic table, a sheet for an all-solid state secondary battery, an all-solid state secondary battery, and methods for manufacturing a sheet for an all-solid state secondary battery and an all-solid state secondary battery.

Abstract: Provided are a solid electrolyte composition including: an inorganic solid electrolyte having conductivity of an ion of metal belong to Group 1 or 2 in the periodic table; and a high polymer binder, in which the high polymer binder is formed of a polymer having a hard segment and a soft segment, a binder for all-solid-state secondary batteries, and an electrode sheet for batteries and an all-solid-state secondary battery each using the solid electrolyte composition.

Abstract: A contact element for contacting a bipolar plate of a fuel cell stack includes a contact body extending along a longitudinal axis. The contact body has a channel extending along the longitudinal axis and delimited by a pair of channel walls disposed opposite one another in a direction transverse to the longitudinal axis. The channel is adapted to receive a portion of the bipolar plate. The contact body has a contact spring on a first channel wall of the pair of channel walls. The contact spring protrudes into the channel and has a cutting edge directed toward a second channel wall of the pair of channels walls and adapted to contact the bipolar plate.

Abstract: An LED support clip enables mounting of light-emitting diode (LED) modules onto support elements which may be pre-existing, such as tubing, while avoiding problems with current mounting methods. One or more LED light modules may be clamped into the LED support clip without the need for adhesives or screws, thereby forming an LED light assembly. One or more LED light assemblies may be clamped onto the support element. The LED support clip may comprise multiple clamps configured with spring tension jaws designed into the manufacturing process of the LED support clip. Support elements may be oriented horizontally, vertically or at various angles and may have a variety of cross-sectional shapes, including: square, triangular, rectangular, pentagonal, hexagonal, “I”-shaped, “L”-shaped, and round, over a wide cross-sectional dimension range.

Abstract: A process for manufacturing a flow guide for an electrochemical reactor, including providing a substrate; on a first face of the substrate, printing a layer of electrically conductive ink by applying a shear stress to this layer, the viscosity of the printed ink being comprised between 70 and 500 Pa·s for a shear rate of 0.1 s?1, and the viscosity of the printed ink being comprised between 2.5 and 7 Pa·s for a shear rate of 100 s1, the layer of ink being printed to form a pattern including ribs delineating flow channels.

Abstract: The present disclosure discloses a method and apparatus of managing battery. The method includes: obtaining a first and second state parameters; determining whether a first and second batteries meet a predetermined first paralleling condition, if yes, powering on a current-limiting module, powering on the bidirectional DC/DC converter being and delayingly powering off the current-limiting module; obtaining a third and fourth state parameters; determining whether the first and second batteries meet a predetermined second paralleling condition, if yes, powering on the paralleling switch and delayingly powering off the bidirectional DC/DC converter. The present disclosure can output a voltage under relatively safe conditions and achieve power supply safety.

Abstract: A method for producing a solid electrolyte, including: stirring a slurry including lithium sulfide and phosphorus sulfide in a hydrocarbon solvent in a reaction vessel, and circulating the slurry through a connecting pipe by a pump. The method is carried out in an apparatus including the reaction vessel and the connecting pipe connected to the pump and the reaction vessel.

Abstract: A power storage device includes at least one power storage cell, a heater that increases a temperature of the power storage cell, a pressing member that presses the heater against the power storage cell, and a sensor provided in the heater. The heater includes a base material and a heater wire provided on the base material. The base material includes a lead portion drawn from between the pressing member and the power storage cell. The heater wire includes a heater lead wire formed on the lead portion. The sensor is provided on the heater lead wire.

Abstract: The invention provides a membrane-free redox cell utilizing auxiliary electrodes that facilitate fast charging and discharging of anolyte and catholyte for electrochemical energy storage. The anode and cathode chambers are ionically separated, and electrically connected through a conductor joining auxiliary electrodes comprised of a redox material. In use, charging/discharging of the galvanic cell takes place between primary electrodes, and the redox material is immersed in the electrolyte in both anode and cathode chambers.

Abstract: A multi-layer composite functional separator for lithium ion battery includes four layers. Layer A is a base separator. Layer B is a porous structural layer composed of insulating inorganic compounds or high temperature resistant polymers. Layer C is a porous layer composed of polymer microspheres with temperature-induced expansion characteristics. Layer D is a thermoplastic resin with a melting point of 80-110° C. and a crystallinity of <50%. Layer B, Layer C and Layer D are sequentially attached on either or both sides of Layer A. Compared with the existing lithium-ion battery separator, the multi-Layer Composite functional separator has excellent heat resistance. The thermal shrinkage rate is less than 1% when heated for less than one hour at 200° C. Inclusion of organic polymer microspheres produces thermal closure of the batteries, which improves the safety of the batteries.

Abstract: One aspect of the present invention provides an all-solid battery including a laminated electrode body having a structure portion in which an electrode mixture material layer and a solid electrolyte layer are laminated, and a sealing part for covering a lamination end face of the laminated electrode body. The electrode mixture material layer includes an active material and a binder resin. The sealing part includes a sealing resin and an insulation particle. The absolute value of the difference between the solubility parameter of the binder resin included in the electrode mixture material layer and the solubility parameter of the sealing resin included in the sealing part is 1.9 (cal/cm3)0.5 or less.

Abstract: According to one embodiment, there is provided a laminate including a first current collector, a first current collector tab, a first active material-containing layer, and a first film containing an inorganic material. A back surface of the first active material-containing layer is supported on at least a part among front and back surfaces of the first current collector. A first thickness at a first end surface of the first active material-containing layer is smaller than a second thickness at a second end surface facing reverse with respect to the first end surface. The first film covers at least the first end surface of the first active material-containing layer and a portion among front and back surfaces of the first current collector tab adjacent to the first end surface.

Abstract: There is provided an all-solid-state lithium battery including: a positive-electrode plate composed of a lithium complex oxide sintered body having a layered rock-salt structure; a solid electrolyte layer composed of a lithium-ion-conductive antiperovskite material; a negative-electrode plate containing Ti and permitting intercalation and deintercalation of lithium ions at 0.4 (vs. Li/Li+) V or more; a positive-electrode current collecting layer provided on a face, remote from the solid electrolyte layer, of the positive-electrode plate; a negative-electrode current collecting layer provided on a face, remote from the solid electrolyte layer, of the negative-electrode plate; a positive-electrode covering metal membrane provided at an interface between the positive-electrode plate and the solid electrolyte layer; and a negative-electrode covering metal membrane provided at an interface between the negative-electrode plate and the solid electrolyte layer.

Abstract: An electrochemical cell includes a porous support substrate and a power generation element portion. The support substrate includes at least one first gas channel and at least one second gas channel. The first gas channel extends from a first end portion toward a second end portion and is connected to a gas supply chamber. The second gas channel is connected to the first gas channel on the second end portion side. The second gas channel extends from the second end portion toward the first end portion and is connected to a gas collection chamber. A ratio (p0/L) of a pitch p0 of a first gas channel and a second gas channel that are adjacent to each other to a distance L between the power generation element portion and a first end surface of the support substrate located on the first end portion side is 3.3 or less.

Abstract: A system and method are provided for increasing efficiency of a solid oxide fuel cell (SOFC) system by recapturing water via a condensate extraction system that extracts water from a hot cathode exhaust flow of the SOFC stack. Further, the SOFC system can include a radiant heater which has a fuel inlet, an air intake, and an exhaust outlet independent and separate from the power generating components in the SOFC system. The radiant heater can bring the SOFC stack up to operating temperature quickly and/or maintain near operational mode temperatures of the SOFC stack during a hibernation mode.

Abstract: An adjustable landscape light assembly for securing to a surface includes a light fixture and a mount. The light fixture includes a first engagement structure configured to engage with a first engagement structure of the mount while allowing the light fixture to be rotated relative to the mount. The light assembly includes a locking member configured to move between a first position and a second position. The locking member engages with both the light fixture and the mount when in the second position to prevent the light fixture from being rotated relative to the mount and disengages from the mount when moved to the first position.

Abstract: A niche for a pool or spa light includes a back wall having an aperture for a power cable, a side wall, a plurality of mounting ribs, and means for receiving a locking mechanism of a pool or a spa light for locking the pool or spa light in position with respect to the niche. In another embodiment, a niche for a pool or spa light includes a body and a rotatable hub with a plurality of mounting ribs for attaching a pool or spa light to the hub. The body includes a back wall having a power cable aperture and a threaded aperture for receiving a screw, and a side wall. The hub includes a back wall having an aperture for receiving the screw and a plurality of mounting ribs, the hub being rotatable about the screw.

Abstract: A fuel cell system FCS includes a fuel cell 10, a high voltage circuit 21 for driving an electromotor 42, and a relay 41 for electrically connecting or blocking the fuel cell 10 to or from the high voltage circuit 21. A control unit 50 obtains insulation decrease information in accordance with a request for starting the fuel cell, and performs, when a specified insulation decrease occurred region is not a fuel cell region SE1 including the fuel cell and the cooling circuit, conductivity reduction process on cooling liquid using a conductivity reduction unit 113 before having a relay 41 connect, and has the relay 41 connect after completing the conductivity reduction process.