83results about "Gastight accumulators" patented technology

A hydrogen storage assembly includes an enclosure substantially encompassing an electrolyzer, a hydrogen storage system, a hydrogen fuel cell, an electrochemical energy storage module, a power conversion system, and a control system. The electrolyzer is configured to separate, via electrolysis, water into hydrogen gas that is stored in the hydrogen storage system; the hydrogen fuel cell is configured to convert the stored hydrogen gas into electrical energy and water. The electrochemical energy storage module is configured to function as an energy buffer; the power conversion system is configured to convert the produced electrical energy to a desired form. The control system is configured to control the storage and distribution of the stored hydrogen and electrical energy in an optimized manner to achieve predefined financial and energy-use objectives.

The invention discloses a self-adaptive fixing structure for a nickel-hydrogen battery, and belongs to the technical field of batteries. The upper clamping mechanism is fixed at the top end of the inner wall of the shell; the lower clamping mechanism is fixed at the bottom end of the inner wall of the shell; the plurality of battery pieces are stacked and fixed between the upper clamping mechanism and the lower clamping mechanism; and the spring penetrates through the plurality of battery pieces and is detachably connected between the upper clamping mechanism and the lower clamping mechanism. According to the battery fixing structure, the spring is arranged between the telescopic upper clamping mechanism and the telescopic lower clamping mechanism, and battery pieces can be stacked between the upper clamping mechanism and the lower clamping mechanism according to actual requirements, so that the battery capacity is adjusted, the adaptive capacity of the battery fixing structure is improved, and meanwhile, certain buffering and damping effects are considered.

This nickel hydrogen secondary battery 2 comprises an outer can 10 having an opening on the upper edge thereof, an electrode group 22 accommodated together with an alkaline liquid electrolyte within the outer can 10, and a sealing body 11 secured by crimping to the opening portion of the outer can 10 with a gasket 12 interposed therebetween, the gasket 12 containing a polyamide resin having a weight-average molecular weight of 40,000 or greater.

A metal-hydrogen battery is presented. The battery includes a bridgeless CPV superstack having a number K of units, each unit including a first layer and a second layer, wherein the first layer includes a number L / 2 of intermediate anode-cathodes, and wherein the second layer includes an end anode and an end cathode separated by L / 2−1 intermediate anode-cathodes; a pressure vessel that encloses the bridgeless CPV superstack; and electrolyte within the pressure vessel. A bridgeless CPV superstack includes K units, each unit including a first layer and a second layer, wherein the first layer includes a number L / 2 of intermediate anode-cathodes, and wherein the second layer includes an end anode and an end cathode separated by L / 2−1 intermediate anode-cathode.

To provide a zinc battery arranged to use zinc as an anode active material, and capable of keeping a charged battery capacity over a long period of time.SOLUTION: A zinc battery comprises a cathode and an anode containing zinc as an active material, which face each other with a separator interposed therebetween, which are encased in an outer can together with a liquid electrolyte. The anode further contains an oxalic acid compound.SELECTED DRAWING: Figure 1

A method for manufacturing a nonaqueous electrolyte secondary battery includes a step for obtaining a battery assembly, a charging step, and a sealing step. In the battery assembly, an electrode body including a positive electrode and a negative electrode, and a non-aqueous electrolyte solution are housed in a battery case having a through-hole. In the charging step, the battery assembly is charged. In the sealing step, after the charging step, the through-hole is sealed by a sealing member. In the charging step, charging is performed under charging conditions in which the temperature of the gas in the battery case increases. The sealing step is performed while maintaining a temperature rise in the battery case. After the sealing step, the temperature in the battery case is reduced, and the contraction of the battery case and / or the reduction of the internal pressure are / is generated by the contraction of the gas in the battery case.

The application belongs to the technical field of nickel-hydrogen batteries, and particularly relates to a middle nickel-hydrogen battery wedge-shaped fixing structure. The wedge-shaped fixing structure comprises an outer shell, two electrically connected nickel-hydrogen batteries arranged in the middle of the outer shell, a welding part formed by welding the sides of the two nickel-hydrogen batteries close to each other, a hollow channel arranged in the center of the welding part, a conductive column slidably arranged in the hollow channel, a wedge-shaped clamping groove arranged at the top end of the conductive column, a wedge-shaped clamping block arranged on the inner side wall of the outer shell and corresponding to the wedge-shaped clamping groove, a top block arranged below the conductive column, the top block being slidably arranged in the hollow channel, a top rod fixedly connected to the bottom end of the top block, and the other end of the top rod penetrating through the side wall of the outer shell and being threadedly connected with the side wall of the outer shell. The wedge-shaped fixing structure has a simple structure and can conveniently install and dismount the nickel-hydrogen battery.

A current collector includes a support portion and a conductive portion. The support portion includes an electrically insulating resin composition. The conductive portion includes a first conductive layer, a second conductive layer, and a third conductive layer. The first conductive layer and the second conductive layer extend from the support portion. The third conductive layer is disposed between the first conductive layer and the second conductive layer, is joined to both the first conductive layer and the second conductive layer, and extends from between the first conductive layer and the second conductive layer.

Presented herein are devices, systems, and methods for generating and amplifying signals to propel / drive acoustic waves for energy devices. The circuit design, developed through the disclosed embodiments, can simultaneously drive a range of acoustic devices spanning from unit 1 to 100000 using parallel and / or serial connections. The devices, systems, and methods may attain an output voltage of 100 V for each acoustic device that are connected in parallel and / or in series, operating within a frequency range of 1 Hz to 500 MHz. The devices, systems, and methods provided herein can be adaptable in waveform generation in series and / or parallel and can significantly improve various aspects of energy devices, enhancing electrolyte filling, formation, operational efficiency, and rejuvenation processes.

A method of manufacturing a non-aqueous electrolyte secondary battery includes the steps of obtaining a battery assembly, charging, and sealing. The battery assembly includes an electrode body, a non-aqueous electrolyte solution, and a battery case including a through hole. The step of charging involves charging the battery assembly. The step of sealing involves sealing the through hole with a sealing member after the charging step. In the step of charging, the charging is performed under a charging condition that causes a temperature of a gas inside the battery case increases. The step of sealing is performed while keeping the temperature inside the battery case having been increased. After the step of sealing, the temperature inside the battery case decreases, and the gas inside the battery case contracts, to thereby cause a contraction and / or an internal pressure decrease of the battery case.

The invention relates to a hydrogen ion battery based on a titanium negative electrode and a preparation method thereof. The hydrogen ion battery comprises a negative electrode, a positive electrode, electrolyte and a diaphragm arranged between the positive electrode and the negative electrode, and an active substance of the negative electrode contains one or more of oxides of Ti (IV) / Ti (III) and double salts and hydrates thereof, oxyhydroxide and double salts and hydrates thereof, and hydroxides and double salts and hydrates thereof. An active substance of the battery positive electrode contains one or more of manganese or nickel element oxides and double salts and hydrates thereof, oxyhydroxide and double salts and hydrates thereof, and hydroxides and double salts and hydrates thereof; the diaphragm is made of a corrosion-resistant porous material; and an alkaline aqueous solution with the pH value of 7-13 is used as a battery electrolyte. Compared with the prior art, the battery disclosed by the invention is simple in structure, low in material, manufacturing and operation cost, high in energy efficiency and cycle index, good in safety and suitable for large-scale electric energy storage.

A method of producing a porous carbon for use as a catalyst support having a specific surface area of 500 m2 / g or greater is provided, comprising: a first step of carbonizing a material containing a carbon source and a template source, to prepare a carbonized product; a second step of immersing the carbonized product into a template removing solution, to remove a template from the carbonized product; and a third step of heat treating the carbonized product from which the template has been removed, the method characterized by: controlling amount of functional groups that are present in the porous carbon, comprising changing type of the template removing solution or temperature of the heat treatment, wherein the template size is 3 nm to 30 nm.

1. A method for filling a container (C) of an electrochemical cell (302) with electrolyte, the method comprising the steps of filling a plurality of filling units (2) with electrolyte, coupling each filling unit (2) to a corresponding one of the containers (C) to form an integrated assembly (4), transferring the electrolyte from the filling units (2) to the container (C), and decoupling each filling unit (2) from the container (C), wherein the coupling and decoupling steps between the filling units (2) and the container (C) are performed inside a conditioned chamber (116, 116'), the conditioned chamber (116, 116') is bounded by a wall separating an environment therein from an environment therein outside, the pressure and / or humidity conditions of the internal environment being different from those of the external environment, and the step of transferring the electrolyte from the filling units (2) to the container (C) is performed at least partially in an environment external to the conditioned chamber (116, 116').

The invention relates to a lighting system comprising a stage lighting unit or an architectural lighting unit (1), which has at least one first supply interface (11) for an external grid supply and at least one second supply interface (13) for an external battery supply, and comprising a battery device (3, 3A, 3B, 3C) with at least one battery interface (19, 21) for supplying a supply voltage to the lighting unit (1), wherein the battery interface (19, 21) is connected or can be connected to the second supply interface (13). The second supply interface (13) and the battery interface (19) are designed to communicate data between the battery device (3, 3A, 3B, 3C) and the lighting unit (1).

According to some embodiments of the present disclosure, a metal-hydrogen battery according to embodiments of the present disclosure includes a container; a plurality of electrode stacks disposed within the container, wherein each electrode stack of the plurality of electrode stacks includes: a plurality of layers of electrodes, the electrode layers including alternating cathode electrodes and anode electrodes, the anode electrodes being formed with a catalyst from a transition metal anode; one or more separators separating the electrode layers; and an electrolyte saturating each of the electrode stacks in the plurality of electrode stacks.

A current collector includes a support layer, an electrically conductive layer, and an intermediate electrically conductive layer. The support layer is made of a resin composition having an electrical insulation property. The electrically conductive layer is made of metal containing aluminum. The intermediate electrically conductive layer is made of metal containing magnesium. The electrically conductive layer is joined to the support layer via the intermediate electrically conductive layer.

A hybrid battery system (HBS) for supplying power during long-term outages and short-term outages for a datacenter and related methods are described. An example HBS comprising a set of solid-state hydrogen batteries (SSHBs) and a set of rechargeable batteries (RBs) is configured to supply power to compute resources associated with a datacenter. The hybrid battery system is coupled to fuel cells to supply hydrogen to the fuel cells by heating an SSHB. A power control system is configured to: (1) during a short-term outage associated with the datacenter, selectively cause a subset of the set of RBs to supply power to the compute resources, and (2) during a long-term outage associated with the datacenter, selectively cause heat to be supplied to the set of SSHBs, resulting in a supply of hydrogen to one or more of the fuel cells, allowing supply of power to the compute resources.

A cylindrical battery cell 12 for a battery module (10, Figure 1) of a motor vehicle, comprising a cell housing 14 containing a plurality of layers 18 arranged adjacent to one another in an axial dire

To provide a battery in which liquid junction of an electrolyte portion is suppressed and furthermore the number of components is reduced.SOLUTION: A battery comprises an exterior material, a battery main body housed in the exterior material, and an electrolyte portion housed in the exterior material and being in contact with the battery main body. The battery main body includes a first cell, a current collector, and a second cell in this order in a thickness direction. The exterior material has an outer peripheral portion spaced apart from the first cell and the second cell in a plane direction orthogonal to the thickness direction. The electrolyte portion has fluidity at 25°C. The current collector extends from between the first cell and the second cell to the outer peripheral portion.SELECTED DRAWING: Figure 2

A battery pack is configured to power a power tool and a charging combination. The battery pack includes a housing; and a cell assembly disposed in the housing and including at least one cell unit; where a cell unit of the at least one cell unit includes at least one charged surface to which a surfactant is attached. According to the above technical solutions, the battery pack can have good insulation, a strong anti-rust ability, and high safety performance between a positive electrode and a negative electrode.

In accordance with some embodiments of this disclosure, a metal-hydrogen battery according to embodiments of the present disclosure includes a vessel; a plurality of electrode stacks arranged in the vessel, wherein each electrode stacks of the plurality of electrode stacks includes a plurality of layers of electrodes, the layers of electrodes including alternating cathode electrodes and anode electrodes, the anode electrode being from of a transition metal anode with a catalyst, one or more separators separating the layers of electrodes, and an electrolyte that saturates each of the electrode stacks in the plurality of electrode stacks.

The invention provides a current collector and a battery. The current collector includes a support layer, a first conductive layer, and a lug portion. The support layer is composed of a resin composition having electrical insulating properties. The first conductive layer is laminated on the support layer. The lug portion is configured from a film-like member. The lug portion includes a lug body portion and a first heat dissipation portion. The lug body portion is bonded to the first conductive layer by ultrasonic welding. The lug body portion extends away from the first conductive layer. The first heat dissipation part is shorter than the lug body part in the extending direction of the lug body part. The first heat dissipation part is not bonded to the first conductive layer by ultrasonic welding.

The application discloses a kind of energy storage batteries based on side current collection lead-out sheet, it is characterized in that, including battery package box, battery module;The battery package box adopts plastic material, inner cavity is integral cavity structure;Battery module is separated with baffle, and the compressible buffer block is set in the both ends of battery module;The battery module includes pole, end plate, polar plate;Polar plate is vertically placed, positive plate is wrapped with diaphragm bag, and diaphragm welding is used to fix positive plate;Polar plate both sides are connected lead-out sheet by roll welding respectively, lead-out sheet includes positive lead-out sheet, negative lead-out sheet;Pole is welded with lead-out sheet;Adjacent battery module is connected by lead-out sheet, and multiple battery modules are welded to form an integral whole.The positive plate of the application is packaged with diaphragm bag, reduces the micro short circuit caused by polar plate powder drop, and battery package assembly is simple, large current performance is good, and the working life is long.

The present invention provides a system and method for determining when a battery, or one or more batteries within a battery pack, undergoes an undesired thermal event such as thermal runaway. A sensor pack is mounted in close proximity to, or in contact with, an external surface of the battery or batteries to be monitored and communicates battery information, including battery compartment information, to a battery package monitor outside the battery compartment. Cloud connectivity can be provided via a mobile application to a battery thermal management package.

The invention discloses a nickel-hydrogen battery, and relates to the technical field of batteries. Comprising a high-pressure-resistant shell, the middle section of the high-pressure-resistant shell is cylindrical, and the upper section and the lower section of the high-pressure-resistant shell are both hemispherical; an electrode plate group is arranged in the high-voltage-resistant shell; the high-voltage-resistant shell is provided with a positive terminal, a negative terminal and a gas-liquid filling port; and electrolyte and hydrogen are added into the shell through the gas-liquid filling port. The invention provides a brand new battery which does not need conventional maintenance and has the characteristics of high safety, long cycle life, high charging and discharging speed, low whole life cycle cost and the like.

A method for fabricating a high-capacity, low-temperature vanadium-based rechargeable hydrogen electrochemical battery based on a Nafion proton exchange membrane integration belongs to the field of electrochemical energy storage technology. This method sequentially prepares V... FeCN -VHCF positive electrode, Pt / C negative electrode catalyst, V FeCN A solid-state proton cell was finally assembled from a composite material of VHCF, Nafion proton exchange membrane, and Pt / C catalyst. Among these, VHCF... FeCN The -VHCF positive electrode is prepared by dissolving vanadium pentoxide in hydrochloric acid dilution solution and adding glycerol to prepare a precursor, which is then co-precipitated with potassium ferricyanide solution. The composite material is prepared by loading the positive and negative electrode slurries with DuPont Nafion proton exchange membranes and drying them. The battery can be assembled by using an air-filled button cell. The battery prepared by this invention still exhibits excellent electrochemical performance at ultra-low temperature (0°C).

The invention relates to a current collector and a battery. The current collector includes a support layer, a conductive layer, and an intermediate conductive layer. The support layer is configured from a resin composition having electrical insulating properties. The conductive layer is made of a metal containing aluminum. The intermediate conductive layer is made of a metal containing magnesium. The conductive layer is bonded to the support layer via the intermediate conductive layer.