Abstract: The disclosed technology relates to redox flow batteries (“RFB”), and particularly to electrolytes useful in RFBs based on 2,5-dimercapto-1,3,4-thiadiazole (“DMTD”) and derivatives thereof.

Abstract: Systems and methods here may include a modular battery pack including a housing, and within the housing: individual battery cells arranged in rows, a circuit board at one end of the housing configured to manage a thermal condition of the battery pack, heat sensors in communication with the circuit board, an enclosed heat pipe arrangement in a corrugated configuration arranged between each row of battery cells within the housing, and a fan and/or Peltier heat sink configured at one end of the battery pack housing, in communication with the circuit board.

Abstract: An electrochemical device, including a positive electrode, a negative electrode, a separator and an electrolyte. The electrolyte includes a nitrile compound, and the mass percentage of the nitrile compound in the electrolyte is A %; the negative electrode includes a current collector, wherein the current collector comprises a first region and a second region; the first region is provided with a negative electrode active substance layer; the second region does not comprise a negative electrode active substance layer; the area of the second region is B % of the surface area of the current collector; and A×B<600.

Abstract: The invention provides an electrolyte material for a solid oxide fuel cell comprising a perovskite oxide comprising at least one element A selected from the group consisting of Ba and Sr, an element Zr, at least one element M selected from the group consisting of Y and Yb, and oxygen, and also a solid phase method for producing the electrolyte material.

Abstract: Provided is a battery assembly having a distributed cooling and fire protection system, the battery assembly comprising: (a) a plurality of battery cells; (b) a case configured to hold the plurality of battery cells; and (c) a cooling liquid distribution system, having a cooling liquid reservoir and/or pipes that are in proximity to at least a subset of the plurality of the cells and configured to deliver, on demand, a desired amount of the first cooling liquid on a cell or multiple cells in the vicinity of the cell when a temperature of the cell exceeds a threshold temperature; wherein the first cooling liquid comprises a fire protection or fire suppression substance which, on contact with the cell, prevents, retards, or extinguishes a cell fire and prevents a propagation or cell-to-cell cascading reactions of a thermal runaway or fire event.

Abstract: A battery module including a battery cell stack, which includes a plurality of battery cells stacked in a stacking direction, a housing for the battery cell stack, a busbar that is connected with the electrode lead of the battery cell, a busbar frame that faces the front surface or rear surface of the battery cell stack and has the busbar mounted on a surface thereof, an end plate that is coupled with the housing and covers the busbar frame, and a cooling member that is located in a separation space between the busbar frame and the end plate. The cooling member includes a thermal conductive resin.

Abstract: A thermal management system for an electric vehicle including an energy storage system and a vehicle component that requires cooling. A method for thermal management of an electric vehicle, and an electric vehicle including the thermal management system. The system including a heater arranged to heat the energy storage system, wherein the heater is arranged to be powered by either the energy storage system or an external power source, a control unit for controlling the heater and configured to identify when the heater is powered by the external power source, and to, when the heater is powered by the external power source receive data associated with the ambient temperature, determine whether the ambient temperature is below or above a minimum temperature, control the heater to heat the energy storage system when the ambient temperature is below the minimum temperature.

Abstract: A positive electrode for a lithium ion secondary battery, including a positive electrode current collector; and a positive electrode mixture layer that is provided on at least one side of the positive electrode current collector, the positive electrode mixture layer including a positive electrode active material layer, and an undercoat layer formed between the positive electrode current collector and the positive electrode active material layer, the undercoat layer containing a conductive auxiliary, a binder, and a thermally expandable microcapsule having a maximum volume expansion temperature of from 70° C. to 180° C.

Abstract: A battery module, a battery pack, and a vehicle are described in this patent application. In the battery module, a plurality of grooves separated by partition parts are disposed in a module casing, a plurality of jelly rolls of the battery module are embedded in the grooves, and a top cover covers an opening of each groove to seal the groove as an independent mounting cavity. In this way, each groove wall in the module casing and the top cover may be used as a housing for sealing each jelly roll, to avoid a case in which an electrolyte in each jelly roll decomposes and produces gas in a process of using the battery module because the electrolyte is leaked from one jelly roll to another jelly roll.

Abstract: An electrochemical system includes: an anode; a cathode; an electrolyte; and at least one dielectrically heatable material.

Abstract: A power supply device includes a plurality of battery packs, and a plurality of battery controllers having a master-slave configuration and corresponding to the plurality of battery packs in a one-to-one correspondence.

Abstract: A fuel electrode incorporates a first and second corrugated portion that are attached to each other at offset angles respect to their corrugation axis and therefore reinforce each other. A first corrugated portion may extend orthogonally with respect to a second corrugated portion. The first and second corrugated portions may be formed from metal wire and may therefore have a very high volumetric void fraction and a high surface area to volume ratio (sa/vol). In addition, the strands of the wire may be selected to enable high conductivity to the current collectors while maximizing the sa/vol. In addition, the shape of the corrugation, including the period distance, amplitude and geometry may be selected with respect to the stiffness requirements and electrochemical cell application factors. The first and second corrugated portions may be calendared or crushed to reduce thickness of the fuel electrode.

Abstract: Disclosed herein are batteries and methods of making batteries. The batteries disclosed herein generally comprise a cathode, an electrolyte capable of conducting protons and/or hydronium ions, and an anode comprising a material capable of absorbing protons and/or hydronium ions, wherein (i) the cathode is in contact with a cathode substance, or (ii) the electrolyte comprises a reduced cathode substance, or (iii) the cathode is in contact with a cathode substance and the electrolyte comprises a reduced cathode substance, and wherein the cathode substance is an oxide of one or more metals or an oxide of a halide.

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: A secondary battery comprises an electrode assembly, a can, and an insulator. The electrode assembly includes a first electrode, a separator, and a second electrode alternately stacked and wound. The can has an accommodation part accommodating the electrode assembly therein, and the can comprises a first can and a second can having cylindrical shapes open in a direction facing each other. The insulator insulates an overlapping portion between the first can and the second can. The first can is electrically connected to the first electrode, and the second can is electrically connected to the second electrode. The insulator has a short-circuit induction through-part defined by a through-hole or a cutoff line, such that a short circuit occurs between the first can and the second can through the short-circuit induction through-part when it is deformed in shape as heat or a pressure is applied to contract or expand the insulator.

Abstract: The power storage device includes power storage units arranged with a conductive plate interposed therebetween in the vertical direction, each of the power storage units includes an electrode stack including bipolar electrodes stacked with a separator interposed therebetween, and a sealing member provided around the electrode stack so as to seal a housing space formed between adjacent electrodes of the electrode stack. At least one of the power storage units is provided with an overhang member on an outer peripheral surface of the sealing member. The overhang member includes an inclined portion that extends from the outer peripheral surface of the sealing member toward the outside of the power storage unit and inclines downward as it leaves away from the outer peripheral surface of the sealing member, and a top portion formed at a lower end of the inclined portion.

Abstract: The present disclosure provides a battery pack, comprising: battery cells; a coolant tank for storing a coolant; a cooling circuit in communication with the coolant tank; a driving device for driving the coolant to flow; and a fire extinguishing pipeline connected to the cooling circuit; wherein, the fire extinguishing pipeline includes: a spraying pipe extending above the battery cells and forming an opening after being heated.

Abstract: A battery module includes a first battery cell and a second battery cell respectively having a positive electrode lead and a negative electrode lead and connected to each other in series; and a short circuit inducing member having one longitudinal side interposed between the negative electrode lead of the first battery cell and the positive electrode lead of the second battery cell and the other longitudinal side located between the positive electrode lead of the first battery cell and the negative electrode lead of the second battery cell. When a potential difference between the negative electrode lead of the first battery cell and the positive electrode lead of the second battery cell increases over a reference value, the other longitudinal side of the short circuit inducing member makes flexural deformation toward the negative electrode lead of the second battery cell to come into contact with the negative electrode lead.

Abstract: A battery management system thermally conditions a battery assembly prior to a determined upcoming time or the battery assembly's arrival at an upcoming location, and selects a source of the power used for the thermal conditioning.

Abstract: A redox flow battery cell includes a positive electrode and a negative electrode, and each of the positive electrode and the negative electrode is an assembly containing a plurality of carbon fibers, and a quantity per unit area of the negative electrode is larger than a quantity per unit area of the positive electrode.