414 results about "Power storage" patented technology

A power storage system has a battery, a three-phase motor in which coils of three phases are connected at a neutral point, an inverter connected on an electric power transmission path between the battery and the three-phase motor, and a DC power supply circuit connected to a connection portion positioned on an electric power transmission path between the inverter and the battery. The battery includes two power storages and a switch unit that switches between a first voltage state where the two power storages are connected in series and chargeable at a first voltage, and a second voltage state where the two power storages are connected in parallel and chargeable at a second voltage. The DC power supply circuit has a branch circuit connected to a coil of any one phase among the coils of three phases at a positive electrode side of the DC power supply circuit.

An EV charge and discharge system includes: a plurality of charge and discharge stations each configured to, when detachably connected with an EV, charge and discharge a power storage device mounted in the connected EV; a plurality of bidirectional converters provided so as to respectively correspond to the plurality of charge and discharge stations, and each configured to perform bidirectional power conversion in a direction of charging the power storage device of the EV connected with a corresponding charge and discharge station of the charge and discharge stations and in a direction of discharging the power storage device of the EV connected with the corresponding charge and discharge station; and a control device configured to control an operation of the plurality of bidirectional converters. The control device controls the bidirectional converters to allow each EV to attain a target charge ratio at an end of parking.

The present application relates to a kind of new energy vehicle operation safety detection system and charging detection method, it is related to new energy vehicle detection technical field, solve the technical problem of small use range of new energy vehicle operation safety detection equipment in prior art.The new energy vehicle operation safety detection system includes: solar module, battery module, inverter, charging module, control system, direct current charging gun, communication module, charging detection module, display module and 220V power module.The new energy vehicle operation safety detection system of the present application uses high-power battery pack as power supply, and can detect the safety of power storage battery, drive motor, electric control system and electrical safety of new energy vehicle, compared with the prior art using 380v industrial power grid as power supply, since there is no grid restriction, increase the use range and flexibility of new energy vehicle operation safety detection equipment.

A submodule for a power converter is described. The submodule includes a first and a second power storage devices and a first stack of electronic device packages. The first stack includes a first, a second, a third, and a fourth electronic device package. A first power device and the first and second electronic device packages form a first half bridge converter, and a second power device and the third and fourth electronic device packages form a second half bridge converter.

A power supply apparatus includes a first power storage device and a second power storage device, which each output a prescribed DC voltage, and generates a variable output voltage using the DC voltages outputted from the first power storage device and the second power storage device. The power supply device comprises: a switch element group including a first switch element, a second switch element connected in series with the low potential side of the first switch element, and a third switch element connected in series with the low potential side of the second switch element; a first reactor, one end side of which is connected to the first power storage device and the other end side of which is connected between the second switch element and the third switch element; a second reactor, one end side of which is connected to the second power storage device and the other end side of which is connected between the first switch element and the second switch element; a smoothing capacitor connected in parallel with the switch element group; a first capacitor connected in parallel with the first switch element; and a third capacitor connected in parallel with the third switch element.

Methods, systems, and devices for powering storage devices during power-saving modes are described. A storage system can include one or more storage devices, a controller, a first voltage source associated with a first supply rail, and a second voltage source associated with a second supply rail. During an active mode, a storage device can be connected to the first voltage source and the first supply rail. In some examples, the controller can send a command to the storage device to enter a power-saving mode or to connect to the second voltage source, after which the storage device can connect one or more components to the second supply rail and the second voltage source.Additionally or alternatively, one or more components can be coupled to the second voltage source in response to a voltage from the first voltage source failing to meet a threshold.

The invention provides a power storage device. A power storage device includes a plurality of power storage cells, a bottom wall, and a panel member. A safety valve is provided on the lower surface of each of the battery cells. The bottom wall includes an upper plate portion and a lower plate portion. The upper plate portion has at least two upper through-holes provided at positions facing the safety valves. The lower plate portion has at least one lower through-hole provided at a position facing the at least two upper through-holes. The length of the lower through-hole in one direction is longer than the length of each of the upper through-holes in one direction.

A system, method, and distributed control protocol for autonomous physical structure formation and reconfiguration using programmable matter. The system comprises a plurality of discrete, mechanically interlocking robotic units (“voxels”), each voxel including on-board power storage, computation, sensing, actuation, and selectively switchable inter-unit coupling mechanisms. The voxels are governed by a Symbolic Morphogenic Architecture Kernel configured to receive a digital volumetric structure definition and to compute distributed motion and coupling instructions for the voxels without reliance on external fabrication machinery. Upon receipt of a configuration instruction, the Kernel generates a coordination field that guides stochastic or deterministic voxel movement, enabling the aggregate mass to transition between unlocked and locked states and thereby flow into, rigidize, disassemble, or reshape into a target physical structure. The protocol further includes a distributed structural verification mechanism wherein local voxel processors continuously evaluate load, gravity, and connectivity constraints.

The power storage panel 10 comprises a first power storage device 201 equipped with a first power storage element 221, a second power storage device 202 equipped with a second power storage element 222, a first housing 301 in which the first power storage device is housed, a second housing 302 in which the second power storage device is housed, a first inert liquid 401 housed in the first housing, a second inert liquid 402 housed in the second housing, and a casing 100 that houses the first housing and the second housing. [Effects] According to the power storage panel, the first and second power storage devices can be cooled separately in units smaller than the enclosure (first housing and second housing), allowing the first power storage device (first energy storage element) and the second power storage device (second energy storage element) to be cooled to a more desired temperature, and the power storage device (energy storage element) housed in the enclosure to be cooled to a more desired temperature, thereby improving reliability.

The energy storage device includes a first electrode body, a second electrode body, and a housing. The housing includes a first end plate and a second end plate, the second end plate having an exhaust valve. The first electrode body and the second electrode body are arranged such that a first winding axis and a second winding axis pass through the first end plate and the second end plate, respectively. The first electrode body has a first hollow portion. The second electrode body has a second hollow portion. When viewed from an axial top view, the exhaust valve is arranged away from at least one of the first hollow portion and the second hollow portion.

The present application discloses a power storage device capable of achieving miniaturization of the power storage device in a direction orthogonal to an insertion and mounting direction of a power storage module with respect to a housing. The power storage device (10) includes a power storage module (14) having an electrode terminal (12), a housing main body (18) having a housing space (16) in which the power storage module (14) is housed, and an external connection terminal (20) held to the housing main body (18) and exposed to the outside of the housing main body (18). The housing main body (18) has a first opening portion (30) exposing the housing space (16) to the outside, and an opposed wall portion (32) disposed in opposition to the first opening portion (30) so as to sandwich the housing space (16) therebetween. The external connection terminal (20) is held to the opposed wall portion (32) of the housing main body (18). The power storage module (14) can be inserted into the housing space (16) from the first opening portion (30). The electrode terminal (12) of the power storage module (14) inserted into the housing space (16) can be in conductive connection with the external connection terminal (20) held to the opposed wall portion (32).

The present application relates to a method of manufacturing an electricity storage device and an electricity storage device. The method of manufacturing an electricity storage device includes a housing main body preparation step, a seal plate preparation step, and a welding step. The seal plate prepared in the seal plate preparation step has a seal portion that covers an opening of the housing main body and overlaps an edge of the opening, and an insertion portion that enters into the opening along an inner side of the housing main body in a state where the seal plate plugs the opening. In the step of laser welding the housing main body and the seal plate, the junction of the edge of the opening and the seal portion is welded by irradiating laser to a portion on the seal portion side than the junction of the edge of the opening and the seal portion.

This invention provides a composition for energy storage devices that, by improving the dispersibility of conductive additives such as CNTs, enables the manufacture of electrodes for energy storage devices with excellent adhesion, reduced internal resistance, and superior input / output characteristics as well as excellent charge / discharge cycle characteristics. The composition for energy storage devices of this invention contains a polymer (A), a conductive additive (B), and a liquid medium (C). When the total number of repeating units contained in the polymer (A) is set to 100% by mass, the polymer (A) contains 1 to 50% by mass of repeating units (a1) from aromatic vinyl compounds and 20 to 75% by mass of repeating units (a2) from unsaturated carboxylic acid esters. The viscosity of an 8% NMP solution of the polymer (A) is 300 to 5000 mPas.

The utility model discloses a data line with the function of power storage, including double -end charging wire, one side of double -end charging wire is equipped with upper shell and lower shell, the inside of upper shell and lower shell is equipped with inner recess, the inside inlaying battery of inner recess, the outside installation PCB board of battery, the outside sleeve of upper shell and lower shell is connected with rubber sleeve, the inside of rubber sleeve is equipped with perforation, the outside of rubber sleeve is equipped with display lens. This data line with the function of power storage, through installing upper shell and lower shell on the side of double -end charging wire, when the user cell -phone block is not powered, and there is no nearby supply power, the staff will take out this charger, and directly connect with cell -phone, a little electricity is stored in the battery, and the cell -phone emergency charging can be given, so it has the function of emergency supply when using.

The invention relates to a power storage device. A power storage device includes: a first power storage cell; a second power storage cell spaced apart from the first power storage cell in a predetermined direction; a third power storage cell spaced apart from the second power storage cell in the predetermined direction; a conductive member; a first spacer provided between the first power storage cell and the second power storage cell; and a second spacer provided between the second power storage cell and the third power storage cell. A first terminal is provided on a lower surface side of the first power storage cell. A second terminal is provided on a lower surface side of the second power storage cell. A third terminal is provided on a lower surface side of the third power storage cell. The conductive member is connected to the first terminal, the second terminal, and the third terminal.

Provided is a power storage system, a secondary battery control system, a secondary battery measurement circuit, or the like that consumes low power. Provided is a power storage system, a secondary battery control system, a secondary battery measurement circuit, or the like that is highly integrated. The power storage system includes a secondary battery and a measurement circuit; the measurement circuit includes a resistor, a capacitor, and an inductor; one terminal of the resistor is electrically connected to one electrode of the capacitor; the other terminal of the resistor is electrically connected to one terminal of the inductor; one terminal of the inductor is electrically connected to a positive electrode of the secondary battery; and the measurement circuit has a function of measuring impedance of the secondary battery by measuring current of the resistor.

A temperature raising system includes an alternating current (AC) generation circuit connected to a power storage battery including one or more power storages and configured to generate an AC current, and a conductive member of a metallic conductor connected between a terminal portion of the power storage and the AC generation circuit or between two or more power storages. The conductive member includes a first path and a second path along which heat is generated by allowing the AC current to flow. The first path has a larger inductance component than the second path.

A vehicle travels in any travel mode among a plurality of travel modes including a first travel mode of stopping actuation of an internal combustion engine and traveling by an electric motor driving a drive wheel depending on power supply from a power storage device, and a second travel mode of actuating the internal combustion engine and traveling by the electric motor driving the drive wheel depending on at least the power supply from an electric generator. A processor of the vehicle is configured to: when the vehicle is in the first travel mode, transition from the first travel mode to the second travel mode based on continuation of a state for a predetermined delay time, the state being a state where a vehicle-required power required in the vehicle exceeds a threshold; and change the predetermined delay time depending on a remaining amount of the power storage device.

The present application relates to an electric power storage device and a manufacturing method thereof, the manufacturing method of the electric power storage device including: an electrode body manufacturing step of manufacturing an electrode body having a first tab and a second tab; a housing step of housing the first tab and the second tab in a tab housing space using a separator having a communication space connecting the tab housing space and a space outside the separator, after the electrode body manufacturing step; and a bending step of bending the first tab and the second tab so that a first guide portion faces a main outer surface of the first tab and a second guide portion faces a main outer surface of the second tab, after the housing step.

A manufacturing method of a power storage element according to the present embodiment includes insertion of an electrode body into a cylindrical case body having a first opening and a second opening at both ends. In the insertion of the electrode body, a first end close to the first opening of the electrode body is pulled into the case body from the first opening.

To provide a contactless charging system that can perform contactless charging without using wireless communication. [Solution] The contactless charging system of the present invention is a contactless charging system that charges a power storage device by non-contacting the transmission of power from the primary transmission coil of a power transmission device to the primary receiving coil of a power receiving device, and comprises a protective cover that is openable and closable on the power receiving device, an actuator that is electrically connected to the primary receiving coil and opens and closes the protective cover, a secondary transmission coil provided on the protective cover and electrically connected to the primary receiving coil so as to be movable together with the protective cover, a secondary receiving coil provided on the power transmission device so as to face the secondary transmission coil when the opening of the protective cover is complete, and a current sensor that detects the current flowing through the secondary receiving coil. The current sensor detects the current flowing through the secondary receiving coil, which has been non-contactually received from the secondary transmission coil, and detects that the opening of the protective cover is complete.

The power storage panel 10 comprises a power storage device 200 equipped with a power storage element 220, a housing 100 housing the power storage device, and an inert liquid 300 arranged in a space S1 within the housing where the power storage device is housed and into which the power storage device is immersed. The power storage element comprises a terminal 222, a container 221 provided with a gas discharge valve 221f, and an electrolyte contained in the container. The terminal protrudes toward the bottom wall 150 of the housing or in the horizontal direction (X-axis and Y-axis direction), and the gas discharge valve is positioned near the bottom wall of the container. [Effect] By positioning the gas discharge valve near the bottom wall of the container housing, when the gas discharge valve is opened, the electrolyte can be discharged from the container via the gas discharge valve. This allows the electrolyte to be cooled by the inert liquid, thus suppressing the rise in temperature of the energy storage element caused by the electrolyte becoming hot inside the container. Therefore, safety can be improved by using this energy storage panel.

A wave energy and photovoltaic power generation offshore buoy system, comprising a weather monitoring device, a buoy body, a mooring device; the buoy body comprises a floating body suspended on the sea surface; wherein further comprising: a counterweight seat arranged below the floating body; a power generation module, comprising a photovoltaic power generation module and a sea wave power generation module, the photovoltaic power generation module comprises a plurality of vertical distributed photovoltaic panels arranged on the mast; the sea wave power generation module comprises a sea wave generator set and at least two pressure wells vertically penetrating through the buoy body; a power storage module for storing the power of the power generation module and discharging the weather monitoring device. To solve the problem of short service life and complex maintenance of offshore buoy when collecting and monitoring meteorological data; through the counterweight seat, the operator is facilitated to maintain on the buoy; through the power generation module, the power conversion effect is strengthened; through the power storage module, the discharge to the weather monitoring device is stabilized, and the service life of the buoy monitoring weather is prolonged.

A system for manufacturing one or more products includes an assembly line having a first end and a second end and one or more autonomous mobile robots (AMRs) each including a power storage and a communication device, the AMRs each communicatively coupled to one of the one or more products.

A solid electrolyte containing a molecular crystal and a fluorine-containing polymer, the molecular crystal including an organic molecule having at least one kind of atom selected from a sulfur atom, an oxygen atom, a nitrogen atom, and a phosphorus atom, and an alkali metal salt, the solid electrolyte having a diffraction spectrum derived from the molecular crystal in X-ray diffraction.

Offshore floating structure may include one or more mooring lines coupled to an elongated base for anchoring the elongated base to a sea floor. Offshore floating structure may further include a mounting platform coupled to the elongated base and configured to removably couple one or more power support components for supporting one or more offshore operations. The one or more power support components may comprise one or more renewable energy power sources, one or more alternative power sources, one or more power storage systems configured to store and provide energy generated from the one or more renewable energy power sources or the one or more alternative power sources, and one or more electric charging stations configured to receive the energy generated from the one or more renewable energy power sources or the one or more alternative power sources. Offshore floating structure may be manually, remotely, and / or autonomously operated.