Patent classifications
H01M2200/10
Battery cell design for preventing internal short circuits from occurring and propagating
A battery and related methods are described. The battery can include a plurality of battery cell segments. Each of the battery cell segments can include an anode segment, a cathode segment, and one or more current limiters. The one or more current limiters are configured to conditionally electrically isolate the battery cell segment based on an occurrence of a short circuit within the battery cell segment. The battery can be used to store electrical power and/or provide electrical power to a load.
Battery Module and Battery Pack Including the Same
A battery module according to one embodiment of the present disclosure can include a battery cell stack including a plurality of stacked battery cells a first bus bar connected to an electrode lead extending from the battery cells, a connection member connected to the first bus bar for connecting with other adjacent battery modules. The first bus bar can include a first part connected to the electrode lead and a second part connected to the connection member. A protrusion part can be formed in any one of the first part and the second part, and a through opening into which the protrusion part is inserted is formed in the other one. The protrusion part can be inserted into the through opening to connect the first part and the second part. The protrusion part can include a material that shrinks in volume or changes its shape when the temperature rises.
ARRANGEMENT FOR LITHIUM-ION BATTERY THERMAL EVENTS PREDICTION, PREVENTION, AND CONTROL CROSS-REFERENCE
A method of measuring temperature of a battery having an internally disposed thermal protection arrangement is disclosed which includes providing at least one sensor holder having an electrode side and a housing side disposed within a housing, with at least one cavity provided on the electrode side, providing at least one temperature sensor placed in the at least one cavity of the at least one sensor holder, the outer surface of the at least one temperature sensor being flush with the remaining surface of the at least one sensor holder, attaching the at least one sensor holder to one of a first electrode or a second electrode of the battery, coupling the at least one temperature sensor to a header, and measuring the temperature of the battery.
BATTERY CELL, BATTERY, POWER CONSUMPTION APPARATUS, METHOD AND APPARATUS FOR PRODUCING BATTERY CELL
Embodiments of the present application provide a battery cell, a battery, a power consumption apparatus, a method for producing a battery cell and an apparatus for producing a battery cell. The battery cell includes: a pressure relief mechanism, the pressure relief mechanism being disposed on at least one wall of the battery cell; and a protective film enclosing an outer surface of the at least one wall, the protective film being configured to provide insulation protection for the at least one wall; where the protective film includes a first portion at least covering the pressure relief mechanism. Through technical solutions of the embodiments of the present application, insulation performance of a battery cell could be improved; meanwhile, deformation of a pressure relief mechanism could be suppressed, creep of the pressure relief mechanism could be reduced, and the service life of the pressure relief mechanism could be increased.
Secondary Battery
The secondary battery includes an electrode assembly to which an electrode lead is attached; a case configured to receive the electrode assembly therein; a lead film configured to surround a part of an outer surface of the electrode lead and interposed between the electrode lead and the case; a vent region formed in at least a part of the case; and a vent member inserted into the vent region and configured to contain linear low-density polyethylene having a poly dispersity index (PDI) of 4 or less, wherein the vent member has a maximum sealing strength of less than 6 kgf/15 mm at 100° C. or above and a maximum sealing strength of 6 kgf/15 mm or more at room temperature to 60° C.
FIRE-EXTINGUISHING SHEET
The present invention discloses a fire extinguishing sheet which is used in places, facilities, devices, tools, structures and the like where a fire may break out, and which makes initial fire extinguishing possible. This fire extinguishing sheet contains at least a potassium compound as a fire extinguishing chemical that is thermally decomposed upon reaching a predetermined temperature and generates a fire extinguishing component; and this fire extinguishing sheet is arranged in places, facilities, devices, tools, structures and the like where a fire may break out. If a fire breaks out, aerosols containing potassium radicals (a potassium compound) are generated from the fire extinguishing sheet, and the chain of combustion is interrupted by a negative catalytic effect, thereby quickly extinguishing or suppressing the fire.
Electronic cigarette with temperature protection
An electronic cigarette including an atomization assembly and a battery assembly. The atomization assembly is disposed on the battery assembly. The battery assembly includes a temperature protection control unit. The temperature protection control unit includes a control panel. The control panel includes a temperature protection sensing unit configured to detect an internal temperature of the battery assembly and transmit a signal with regard to the internal temperature to the control panel. When the internal temperature of the battery assembly is over 75° C., the control panel stops working, and the atomization assembly is unable to work.
BATTERY MODULE HAVING FIRE-EXTINGUISHING UNIT INCLUDING FIRE-EXTINGUISHING MATERIAL
A battery pack has a fire-extinguishing unit including a fire-extinguishing material, and more particularly to a battery module having a fire-extinguishing unit including a fire-extinguishing material, the battery module including a plurality of battery cells stacked in a vertical direction or a horizontal direction and a fire-extinguishing unit located adjacent to each of the battery cells, wherein the fire-extinguishing unit includes a fire-extinguishing pack containing a fire-extinguishing material and at least one breaking unit interposed between the battery cell and the fire-extinguishing pack.
Li-Ion battery high voltage distribution system architecture
Systems and methods for operating a lithium-ion battery high-voltage distribution system architecture are disclosed. A battery pack includes: a plurality of lithium-ion battery cells; a disconnect mechanism operable in an operational position between a battery bus and the plurality of lithium-ion battery cells and a bypass position between the battery bus and a bus-power pass through; and a battery management system. The battery management system is configured to monitor battery pack performance; and responsive to detecting a triggering event in the battery pack performance, cause the disconnect mechanism to be in the bypass position.
Systems for Suppressing Adverse Exothermic Reactions in Energy Storage Containers
Systems for suppressing adverse exothermic reactions in an energy storage container. One energy storage system includes a container configured to support a plurality of battery cells; a plurality of battery cells disposed inside and supported by the container; an agent supply port attached to the container; and a tube disposed inside the container and having a closed end and an open end. The open end of the tube is in fluid communication with the agent supply port. The tube comprises fusible portions which are designed to melt or soften at a temperature which is lower than the melting or softening temperature of another portion of the tube. In response to melting or softening of the fusible portions of the tube, pressurized exothermic reaction-suppressing agent is distributed inside the container via the tube.