Abstract: A metal air battery electrolyte replenishment system comprised of a base station with docking receptor apparatus and matching docking probe on a flying drone. The probe onboard the drone has a sensor that guides the drone to connect with the electrolyte docking receptor on the base station. The drone uses the probe to obtain fresh electrolyte and simultaneously expel spent electrolyte into the base station while still in flight or during a brief landing. Rapid exchange of the electrolyte allows for extended range and flight time without penalty of onboard electrolyte reconditioning system and its associated weight.

Abstract: A metal air battery system comprised of anode/cathode assembly with air gun plenums mounted on both sides of the anode. The anode is mounted in a battery cell chamber that holds the anode parallel with the cathode. The anode is able to move in and out of the battery cell chamber while the air gun plenums emit high pressure air for the purpose of wiping clean liquid electrolyte from the surface of each anode to provide for rapid shutdown of chemical reactions that produce hydrogen gas and electric current.

Abstract: Provided is a method of improving fast-chargeability of a lithium secondary battery containing an anode, a cathode, a porous separator disposed between the anode and the cathode, and an electrolyte, wherein the method comprises packing particles of an anode active material to form an anode active material layer having interstitial spaces and disposing a lithium ion reservoir in the interstitial spaces, configured to receive lithium ions from the cathode through the porous separator when the battery is charged and to enable the lithium ions to enter the particles of anode active material in a time-delayed manner.

Abstract: This disclosure details exemplary barrier seal assemblies for sealing vehicle electrical housings. The vehicle electrical housings may include any electrical housing utilized within a vehicle, including but not limited to battery pack housings and electrical connector assemblies. An exemplary barrier seal assembly may include a primary seal, a barrier seal, and a carrier that extends between the primary seal and the barrier seal. The barrier seal assembly is configured to reduce the ingress of corrosion inducing substances into an interior of vehicle electrical housings.

Abstract: One aspect of the sheet-like air cell of the present invention includes a positive electrode having a catalyst layer, a negative electrode, a separator, and an electrolyte solution that are housed in a sheet-like outer case. The electrolyte solution is an aqueous solution that contains an electrolyte salt and has a pH of 3 or more and less than 12. The electrolyte solution contains a water-soluble high-boiling solvent with a boiling point of 150° C. or more in an amount of 3 to 30% by mass of the total solvent. Another aspect of the sheet-like air cell of the present invention includes a positive electrode having a catalyst layer, a negative electrode, a separator, and an electrolyte that are housed in a sheet-like outer case. The electrolyte is obtained by blending an electrolyte solution and a thickening agent. The electrolyte solution is an aqueous solution that contains an electrolyte salt and has a pH of 3 or more and less than 12.

Abstract: A lithium ion battery separator substrate, a preparation method and application thereof are provided. The substrate comprises a support layer and a dense layer, wherein the support layer comprises superfine main fibers, thermoplastic bonded fibers and the nanofibers, and the dense layer comprises nanofibers. The substrate has excellent high-temperature resistance performance, the substrate still has certain strength after being processed at 300° C. for 1 h, and the heat shrinkage rate is less than 5.0%; the substrate has a uniform and compact double-layer structure without a pinhole. Therefore, the requirements concerning heat resistance, porosity and strength of the substrate are met.

Abstract: The present technology provides a battery that includes an air cathode, an anode, an aqueous electrolyte that includes an amphoteric surfactant, and a housing that includes one or more air access ports defining a total area of void space (“vent area”), where (1) the battery is a size 13 metal-air battery and the total vent area defined by all of the air access ports is from about 0.050 mm2 to about 0.115 mm2; or (2) the battery is a size 312 metal-air battery and the total vent area defined by all of the air access ports is from about 0.03 mm2 to about 0.08 mm2.

Abstract: Provided is a metal-air battery and a method of using the same that make it possible to obtain a high output while also promoting the discharge of product associated with power generation and achieve stable output over time.

Abstract: A fuel cell includes: a porous anode; and an electrolyte layer that is provided on the anode and includes solid oxide having oxygen ion conductivity, wherein the anode has a structure in which an anode catalyst is provided in a void, wherein, in a cross section of the anode and the electrolyte layer in a stacking direction thereof, an average void diameter of voids in the anode is 0.1 ?m or more and 2 ?m or less, wherein, in the cross section, a D10% diameter of void diameter distribution of the voids in the anode is 0.1 ?m or mode and 2 ?m or less, wherein a D90% diameter of the void diameter distribution is 1 ?m or more and 7 ?m or less.

Abstract: An air-zinc battery module includes a reception part having a sealed space formed therein, a gas storage part which is located in one area in the reception part and can discharge air or oxygen therefrom, and an air-zinc battery part which is located in another area in the reception part and includes at least one air-zinc battery cell for generating electricity when air or oxygen is supplied thereto.

Abstract: Methods of manufacturing cathode active materials, including preparing a solution of a hygroscopic species and a reactive oxygen species, heating the solution at a temperature that is less than about 400° C. for a time sufficient for a precipitate of the cathode active material to form, and collecting the cathode active material. The cathode active materials can be used to prepare cathodes that evolve little or no oxygen during operation. The cathodes can be economically incorporated into batteries that can provide high energy density.

Abstract: An air electrode includes a current collector, a catalyst layer, and a water repellent membrane provided in this order. The catalyst layer has a first face in contact with either one of the current collector and the water repellent membrane, a second face in contact with either other of the current collector or the water repellent membrane, and a plurality of through holes, through which the first face and the second face communicate with each other. The through holes each have a constriction with an inner diameter smaller than either of an opening diameter in the first face and an opening diameter in the second face.

Abstract: An electrode structure includes a first electrode unit, a second electrode unit and a first insulating frame, in which the electrode units are adjacent to each other. The first insulating unit has an airflow space therein and includes an electrically conducive base with an airflow plane and an air cell cathode disposed on an outer surface of the airflow plane. The second insulating unit includes an electrically conductive base and an air cell anode disposed on an outer surface of the electrically conductive base. The first insulating frame spaces and joins the adjacent electrode units to each other such that the air cell cathode and the air cell anode of the adjacent electrode units are opposed to each other. The first insulating frame together with the adjacent electrode units forms an electrolytic solution container.

Abstract: A metal-ion battery is provided. The metal-ion secondary battery includes a first chamber, a second chamber, and a control element. A positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a first electrolyte are disposed within the first chamber. A second electrolyte is disposed within the second chamber, and wherein components and/or concentration of the first electrolyte are different from those of the second electrolyte. The control element determines whether to introduce the second electrolyte disposed within the second chamber into the first chamber via a first pipeline.

Abstract: A cooling module for an electrical energy storage system for an electric drive vehicle. The cooling module has an exchanger plate that is hollow on the inside so as to have, on the inside, a circulation chamber that is designed to contain a cooling liquid. The exchanger plate has: an inlet opening that is obtained through a front wall of the exchanger plate and is designed to allow the cooling liquid to flow into the circulation chamber, and an outlet opening that is obtained through a rear wall of the exchanger plate and is designed to allow the cooling liquid to flow out of the circulation chamber. The cooling module has a plurality of interface elements, which are placed inside the circulation chamber, are shaped like a wave, and are arranged in rows.

Abstract: A flow battery according to an embodiment includes a cathode and an anode, an electrolytic solution, and a flow device. The electrolytic solution includes an indium component and a halogen species and contacts the cathode and the anode. The flow device causes the electrolytic solution to flow.

Abstract: A zinc-air fuel cell with multiple electric connectors includes: a case forming a space; multiple gas chambers disposed in the space; two air electrode layers disposed in the space and serving as positive electrodes for discharging; a metal layer disposed in the space and serving as a positive electrode for charging; a zinc material disposed in the space and serving as a negative electrode; multiple separators disposed in the space so that the air electrode layers, the zinc material and the metal layer are separately arranged; an electrolyte disposed in the space, capable of flowing to pass through the separators and in contact with the air electrode layers, the metal layer and the zinc material so that the air electrode layers, the zinc material and the metal layer are respectively electrically connected.

Abstract: An electrochemical cell has a first volume exposed to respective surfaces of an anode and a cathode, the electrochemical cell also being provided with a steam inlet to allow steam into the first volume.

Abstract: A gelled anode for an alkaline electrochemical cell contains zinc-based particles, an alkaline electrolyte, a gelling agent, and two or more additives selected from the group consisting of an alkali metal hydroxide, an organic phosphate ester surfactant, a metal oxide, and tin, which as reduced cell gassing properties relative to cells lacking such additives.

Abstract: The present invention relates to batteries and more particularly to battery systems. More particularly, the present invention relates to metal-air based battery systems. In an aspect of the present invention, there is provided a battery system, the system comprising (a) a cell comprising a metal anode and a cathode current collector, the metal anode and the cathode current collector separated by a separator; (d) a gas diffusion tank; and (e) an electrolyte between the cathode current collector and the gas diffusion tank, the electrolyte comprising redox molecules.

Abstract: Disclosed is an air electrode for a metal-air battery, the air electrode including a separator composed of a hydroxide-ion-conductive inorganic solid electrolyte being a dense ceramic material, and an air electrode layer disposed on the separator and containing an air electrode catalyst, an electron-conductive material, and a hydroxide-ion-conductive material, or containing an air electrode catalyst also serving as an electron-conductive material and a hydroxide-ion-conductive material. According to the present invention, the reaction resistance of the air electrode including the dense ceramic separator can be significantly reduced in a metal-air battery while ensuring the desired characteristics of the dense ceramic separator.

Abstract: A flow battery apparatus is provided with shunted currents repressed. The apparatus has a positive electrode device, a negative electrode device and a plurality of gas-gap devices. Gas-gap devices are separately set between branching channels and inlet and outlet manifolds of positive and negative electrodes. Each of the branching channels separately has an inserting tube to be inserted into one of the gas-gap devices. The diameter of the inserted vessel of gas-gap devices is bigger than the diameter of the inserting tube connected to a corresponding one of the branching channels. Thus, working liquids transferred to the positive and negative electrodes are segregated with coordination of the gas-gap devices. Only air spaces and discrete liquid drops are left between separated parts of the working liquids. Thus, shunted currents are repressed by preventing conductive paths from being formed between the positive and negative electrodes.

Abstract: A thin film coating with inorganic/organic composite materials for application on a porous separator of a rechargeable metal battery cell is disclosed. The composite material, which is comprised of ion conductive ceramic particles mixed with, or embedded within a matrix of, at least one polymer comprising at least one anionic functional group and at least one metallic cation. The composite coating layer enhances the overall electrochemical performance of rechargeable metal batteries by preventing the formation of metal dendrites on the metallic anode of a metal battery cell.

Abstract: A battery control device includes a positional information acquiring unit, a deposition-risk-geographic-point storing unit, a determination unit, and a deposition-deterring-mode executing unit. The positional information acquiring unit is a processing unit that acquires positional information of a vehicle. The deposition-risk-geographic-point storing unit stores deposition risk geographic points. The determination unit determines whether or not the vehicle passes at least one of the deposition risk geographic points stored in the deposition-risk-geographic-point storing unit based on the positional information of the vehicle that is acquired by the positional information acquiring unit. The deposition-deterring-mode executing unit controls a battery based on a predetermined deposition-deterring mode, if the determination unit determines that the vehicle passes the at least one of the deposition risk geographic points.

Abstract: A lithium air battery comprising a plurality of unit cells which have different diameters, each unit cell comprises: electrodes including: a disc-shaped positive electrode having a first air flow path passing through the positive electrode in a vertical direction of the lithium air battery and one or more electrolyte flow paths on the positive electrode in a horizontal or vertical direction of the lithium air battery; and an negative electrode having a second air flow path passing through the negative electrode in the vertical direction to coincide with the first air flow path; and a separator disposed between the positive electrode and the negative electrode. The unit cells are stacked in the vertical direction within a stack cell tank such that a diffusion layer is disposed between the respective unit cells.

Abstract: An eye contact device including at least one of a positive terminal including a first material having a standard reduction potential that is less than a standard reduction potential of chlorine; and a negative terminal including a second material having an electrode potential that favors reduction relative to a reduction of water. A method including one of forming a positive terminal of a two terminal device in an eye contact device, the positive terminal including a first material having a standard reduction potential that is less than a standard reduction potential of chlorine; and forming a negative terminal of the two terminal device including a second material having an electrode potential that favors reduction relative to a reduction of water.

Abstract: Disclosed is an all-solid-state battery that makes it possible for a larger rounding current flow into a short-circuit current shunt part than to each electric element when the short-circuit current shunt part and the electric elements short-circuit in nail penetration testing.

Abstract: A piezoelectric blower includes a housing, top plate, side plate, vibrating plate, piezoelectric element, and cap. The top plate, side plate, and vibrating plate define a blower chamber. The top plate includes a vent hole. The vibrating plate and piezoelectric element constitutes a piezoelectric actuator. The cap includes a wall portion facing the piezoelectric actuator and has a disc-shaped suction port. Here, a central axis of the suction port extending along a thickness direction of the wall portion and a central axis of the piezoelectric element extending along the thickness direction of the wall portion do not coincide with each other. An air channel is provided among the housing, the cap, and a joined structure of the top plate, side plate, and piezoelectric actuator.

Abstract: A fuel cell array comprises a plurality of serially connected fuel cell units. A respective fuel cell unit comprises a fuel cell and a cap capped on each end of the fuel cell. The fuel cell unit further comprises an electrically conductive terminal layer forming an outermost laminate of the fuel cell at one end of the fuel cell. The terminal layer is directly laminated on a fuel electrode layer and directly laminated on a solid electrolyte layer. The fuel cell unit further comprises a glass material forming a sealing layer circumferentially around the fuel cell to fill between the inner surface of the cap and the outer surface of the fuel cell. The plurality of fuel cell units are electrically connected in series through the electrically conductive terminal layer, not through the cap.

Abstract: A catalyst is provided for the two electron reduction of oxygen. The catalyst can be reversible or near-reversible. The catalyst comprises a gold and a cobalt coordination complex, i.e., N,N?-bis(salicylidene)ethylene-diaminocobalt (II) (cobalt salen) or a derivative thereof. The cobalt coordination complex can be polymerized to form a film, for example, via electropolymerization, to cover a gold surface. Also provided are metal-air batteries, fuel cells, and air electrodes that comprise the catalyst, as well as methods of using the catalyst, for example, to reduce oxygen and/or produce hydrogen peroxide.

Abstract: The invention relates to a lithium accumulator comprising at least one electrochemical cell comprising an electrolyte positioned between a positive electrode and a negative electrode, said positive electrode comprising a positive electrode material comprising a carbonaceous material selected from carbon nanotubes, graphene or derivatives of graphene selected from graphene oxides, reduced graphene oxides, said carbonaceous material is covalently functionalized by at least one organic compound comprising at least one electron attractor group.

Abstract: An electrochemical cell system is configured to utilize an oxidant reduction electrode module containing an oxidant reduction electrode mounted to a housing to form a gaseous oxidant space therein that is immersed into the ionically conductive medium. A fuel electrode is spaced from the oxidant reduction electrode, such that the ionically conductive medium may conduct ions between the fuel and oxidant reduction electrodes to support electrochemical reactions at the fuel and oxidant reduction electrodes. A gaseous oxidant channel extending through the gaseous oxidant space provides a supply of oxidant to the oxidant reduction electrode, such that the fuel electrode and the oxidant reduction electrode are configured to, during discharge, oxidize the metal fuel at the fuel electrode and reduce the oxidant at the oxidant reduction electrode, to generate a discharge potential difference therebetween for application to a load.

Abstract: A metal-air battery may include a housing, at least one hollow-cylindrical cathode arranged in the housing between an air chamber and an electrolyte chamber, and at least one metallic anode arranged in the electrolyte chamber. The battery may also include an air path leading through the housing from an air inlet to an air outlet of the housing, both of which may be fluidically connected to the air chamber, and an air supply device for generating an air flow following the air path and impinging on the cathode. The battery may further include an electrolyte path leading through the housing from an electrolyte inlet to an electrolyte outlet of the housing, both of which may be fluidically connected to the electrolyte chamber, and an electrolyte supply device for generating an electrolyte flow following the electrolyte path and impinging on the anode and the cathode.

Abstract: A lithium air battery is provided. The lithium air battery prevents the depletion of electrolyte and includes a separation membrane which contacts an electrolyte stored in an electrolyte tank through a gasket which contacts an outer surface of a unit cell. Therefore, when the electrolyte of the lithium air battery is volatilized, the electrolyte is supplied to the inside of the lithium air battery from the electrolyte tank through the separation membrane.

Abstract: An electrochemical cell includes an anode including a form of lithium metal, an OH? exchange membrane, a precipitate reservoir in fluid communication with the anode and the OH? exchange membrane, an O2 evolution electrode associated with the precipitate reservoir, and a fluid reservoir in fluid communication with the precipitate reservoir, wherein the fluid reservoir includes form of water when the electrochemical cell is fully charged.

Abstract: A flow battery apparatus is provided with shunted currents repressed. The apparatus has a positive electrode device, a negative electrode device and a plurality of gas-gap devices. Gas-gap devices are separately set between branching channels and inlet and outlet manifolds of positive and negative electrodes. Each of the branching channels separately has an inserting tube to be inserted into one of the gas-gap devices. The diameter of the inserted vessel of gas-gap devices is bigger than the diameter of the inserting tube connected to a corresponding one of the branching channels. Thus, working liquids transferred to the positive and negative electrodes are segregated with coordination of the gas-gap devices. Only air spaces and discrete liquid drops are left between separated parts of the working liquids. Thus, shunted currents are repressed by preventing conductive paths from being formed between the positive and negative electrodes.

Abstract: A tape head is provided for use with a tape drive that is configured to receive a length of tape. The tape head includes a head body including at least one head element for performing read and/or write operations on the tape, and a protective layer extending over at least a portion of the head body for inhibiting wear of the head body when the tape is moved with respect to the head body. Furthermore, the protective layer is made of titanium oxide, chromium oxide, zirconium oxide, aluminum oxide, or zinc oxide.

Abstract: A metal air battery includes: a battery module comprising a metal air cell configured to use oxygen as a positive electrode active material; an air channel unit including a fluid tube extending from a side of a cathode layer of the metal air cell to a side of a metal anode layer of the metal air cell; and an air supply unit configured to supply air to the air channel unit, wherein the fluid tube is configured to direct air from the side of the cathode layer of the metal air cell to the side of the metal anode layer of the metal air cell.

Abstract: This invention provides a rechargeable cell comprising an electrode including: a plurality of porous clusters of silver particles, wherein each cluster includes: (a) a plurality of silver particles, and (b) crystalline particles of zirconium oxide (ZrO2), wherein at least a portion of the crystalline particles of ZrO2 is located in pores formed by a surface of the plurality of silver particles. Electrodes of the present invention catalyze the reduction of oxygen in alkaline solution. When the cell is charged, the silver in the electrodes can be oxidized to Ag2O and further to AgO. Upon discharge, the reduction of the oxidized silver results in additional available energy. This invention provides electrodes for use in rechargeable cells or batteries and methods of making thereof.

Abstract: In a fuel cell stack, voltage detecting terminals are disposed on a second separator and a third separator of a power generation unit, whereas a voltage detecting terminal is not disposed on a first separator of the power generation unit. Among terminal plates of the fuel cell stack, another voltage detecting terminal is disposed only on the terminal plate that is in contact with the first separator.

Abstract: Dual use gas diffusion-gas evolution electrodes containing diamond-like carbon are described, which can act as gas diffusion electrodes during discharge, and gas evolution electrodes during recharge. Electrodes of the disclosed materials are electrochemically robust, inhibit multi-step reactions, and have high, isotropic thermal conductivity. The disclosed electrodes can be used as air electrodes of rechargeable metal-air batteries.

Abstract: Provided is an all solid state battery system with a high energy density. The all solid state battery system comprises an all solid state battery, and a discharging control unit that controls discharging of the all solid state battery, a cathode active material layer contains a cathode active material particle, and a sulfide solid electrolyte particle, and a ratio (T/t) of an actual thickness “T” of the cathode active material layer to an effective thickness “t” of the cathode active material layer which is calculated by the following Expression satisfies a relationship of 0.01?T/t?0.15; t=V/i×?? (in which, V represents an operation voltage width (V), i represents a current density (mA/cm2) during discharging, and ?? represents effective Li ion conductivity (S/cm) of the cathode active material layer).

Abstract: Provided is a layered double hydroxide oriented membrane in which layered double hydroxide plate-like particles are highly oriented in the approximately perpendicular direction and which is also suitable for densification. The layered double hydroxide oriented membrane of the present invention is composed of a layered double hydroxide represented by the general formula: M2+1-xM3+x(OH)2An?x/n.mH2O wherein M2+ is a divalent cation, M3+ is a trivalent cation, An? is an anion having a valency of n, n is an integer of 1 or greater, x is 0.1 to 0.4, and m is 0 or greater, wherein when a surface of the oriented membrane is measured by X-ray diffractometry, a peak of a (003) plane is not substantially detected or is detected to be smaller than a peak of a (012) plane.

Abstract: An energy storage device comprises a first porous semiconducting structure (510) comprising a first plurality of channels (511) that contain a first electrolyte (514) and a second porous semiconducting structure (520) comprising a second plurality of channels (521) that contain a second electrolyte (524). In one embodiment, the energy storage device further comprises a film (535) on at least one of the first and second porous semiconducting structures, the film comprising a material capable of exhibiting reversible electron transfer reactions. In another embodiment, at least one of the first and second electrolytes contains a plurality of metal ions. In another embodiment, the first and second electrolytes, taken together, comprise a redox system.

Abstract: The present invention relates to a metal-air electrochemical cell with a high energy efficiency mode.

Abstract: The present invention has been achieved to provide a metal-air battery that allows removal of a metallic compound without suspending power supply. The metal-air battery of the present invention includes: first and second electrolytic tanks for storing an electrolytic solution; a metallic electrode to serve as an anode provided in the first electrolytic tank; and an air electrode to serve as a cathode, wherein the metallic electrode is formed of a metal which becomes a metallic ion or composes a metallic compound in the electrolytic solution with progress of a battery reaction, the first and second electrolytic tanks are communicated with each other for allowing the electrolytic solution in the first electrolytic tank to move into the second electrolytic tank, and the metallic ion or the metallic compound in the electrolytic solution is precipitated as a metallic compound precipitate in the second electrolytic tank.

Abstract: An electrochemical energy store including at least one anode and at least one cathode in an electrolyte, lithium peroxide being generated at the cathode by the reaction of lithium ions with oxygen. The cathode is connected to an oxygen reservoir.

Abstract: An air battery for use by being stacked in a battery pack has a cathode constituting member and an anode material adapted such that at least a part of the anode material is brought into direct contact with a cathode constituting member of another air battery. In this configuration, it is possible to eliminate the need to use an anode cap for sealing on the anode side and thereby possible to achieve not only reduction in weight and size but also reduction in cost.

Abstract: A battery unit in one aspect of an embodiment of the present disclosure includes a plurality of cell assemblies, a positive electrode connection terminal, a negative electrode connection terminal, a plurality of switch sections, a control section, and a simultaneous on-suppression section. When an on-command signal is output from the control section to at least two of the plurality of the switch sections, the simultaneous on-suppression section performs one of enabling the on-command signal to one of the at least two switch sections and disabling the on-command signal to all of the at least two switch sections, so as to suppress the at least two switch sections from being turned on at the same time.

Abstract: A self-recharging battery apparatus including a magnesium-air fuel cell component having external battery connector elements; a rechargeable battery; and a water-tight inner sleeve configured to and receiving the rechargeable battery and the inner sleeve being fixedly connected to an inner side of the magnesium-air fuel cell component and the rechargeable battery being electrically connected to the magnesium-air fuel cell component external battery connector elements.