Systems and methods for a battery architecture include a first fuse connected between a first battery cell and a second battery cell of a battery pack, and a second fuse connected between the second battery cell and a terminal of a charge port.
The invention relates to an electrical energy storage unit (1), comprising first (11) and second (12) electrical terminals, an accumulator (13) electrically coupled to the first and second terminals, and a protection system (14) of the short-circuit type, the latter comprising: a first electrical…
A battery system is described with methods and systems for thermally isolating a battery module experiencing thermal runaway. In one embodiment, a thermal actuator can cut a busbar coupling neighboring battery modules together, thereby preventing or slowing the spread of thermal runaway. In other…
A battery cell according to an embodiment of the present invention comprises: an electrode assembly on which at least one positive electrode plate and at least one negative electrode plate are stacked on each other; a case for accommodating the electrode assembly therein; a plurality of electrode…
Electrolyte compositions comprising electrolyte additives and/or solvents for reduction of thermal propagation in lithium-ion batteries are disclosed. Energy storage devices comprising the electrolyte compositions comprise a first electrode and a second electrode, wherein at least one of the first…
A battery system includes a first electrical interface and safety switch connected to the first electrical interface and including a shape memory alloy element configured to deform from an unactuated configuration to an actuated configuration in response to reaching an activation temperature. A…
A power tool including a battery pack interface configured to receive a battery pack. The battery pack interface includes one or more power terminals and one or more communication terminals. The power tool further includes a controller having an electronic processor. The controller is configured to…
Improvements in the structural components and physical characteristics of lithium battery articles are provided. Standard lithium ion batteries, for example, are prone to certain phenomena related to short circuiting and have experienced high temperature occurrences and ultimate firing as a result…
Provided are a battery cell, a battery, an electrical apparatus, and a method and device for manufacturing a battery cell. The battery cell includes a case, an end cover, an electrode assembly and a solder, the case has an accommodating cavity and an opening at one end; the end cover is connected…
A device for electrical and mechanical connection of a first element and a second element includes first and second connection elements and a connection module. The first connection element includes a first interface configured to be electrically and mechanically connected to the first element. The…
An electrode body of a secondary battery described herein includes: a core portion where electrode mixture layers of a plurality of electrode sheets are laminated; terminal connecting portions where respective current collector foil exposed portions are laminated, and a mixture layer non-facing…
Disclosed is a bipolar battery with which thermal deterioration of the electrode body due to the generation of heat of tabs can be suppressed. The bipolar battery of the present disclosure includes a first member, a second member, and a laminate electrode body arranged therebetween, wherein the…
Provided are interconnects for interconnecting a set of battery cells, assemblies comprising these interconnects, methods of forming such interconnects, and methods of forming such assemblies. An interconnect includes a conductor comprising two portions electrically isolated from each other. At…
Various three-dimensional battery structures are disclosed, in certain embodiments comprising a battery enclosure and a first plurality of electrodes within the enclosure. The first plurality of electrodes includes a plurality of cathodes and a plurality of anodes. The first plurality of electrodes…
Provided are interconnects for interconnecting a set of battery cells, assemblies comprising these interconnects, methods of forming such interconnects, and methods of forming such assemblies. An interconnect includes a conductor comprising two portions electrically isolated from each other. At…
The present disclosure relates to a battery pack and an operation method thereof. The battery pack includes a pack case, a plurality of cylindrical battery cells in the pack case, and a current breaking device in the pack case to connect the plurality of cylindrical battery cells and having a…
A thermal release layer for electrode materials in a battery cell is provided. The battery cell can include a terminal and an electrode, in contact with the terminal. The battery cell can include a first material that conducts electricity to establish electrical continuity with the terminal. The…
Apparatus, systems, and methods described herein relate to safety devices for electrochemical cells comprising an electrode tab electrically coupled to an electrode, the electrode including an electrode material disposed on a current collector. In some embodiments, a fuse can be operably coupled to…
A battery pack includes a battery module in which a plurality of battery cells are mounted; and a discharge member electrically connected to the battery module, wherein the discharge member comprises a frame member having an open upper portion and containing a coolant, an upper cover for covering…
A power tool including a battery pack interface configured to receive a battery pack. The battery pack interface includes one or more power terminals and one or more communication terminals. The power tool further includes a controller having an electronic processor. The controller is configured to…
An electrode body of a secondary battery described herein includes: a core portion where electrode mixture layers of a plurality of electrode sheets are laminated; terminal connecting portions where respective current collector foil exposed portions are laminated, and a mixture layer non-facing…
The present application relates to the technical field of batteries and discloses a connector for a large cylindrical battery, a battery module, and a battery pack. The connector for the large cylindrical battery is configured for a large cylindrical battery having a positive electrode and a…
A battery system is described with methods and systems for thermally isolating a battery module experiencing thermal runaway. In one embodiment, a thermal actuator can cut a busbar coupling neighboring battery modules together, thereby preventing or slowing the spread of thermal runaway. In other…
A battery module includes: an all-solid-state battery having a voltage exceeding 0 V; a semiconductor element; a PTC element; and a circuit board, wherein the all-solid-state battery, the semiconductor element, and the PTC element are solder-bonded to the circuit board, the all-solid-state battery…
An external short-circuit device is disclosed. The external short-circuit device includes a first extension electrode and a second extension electrode respectively connected to both electrode tabs of a battery cell, a short-circuit unit including a case that accommodates an end portion of the first…
Disclosed is a bipolar battery with which thermal deterioration of the electrode body due to the generation of heat of tabs can be suppressed. The bipolar battery of the present disclosure includes a first member, a second member, and a laminate electrode body arranged therebetween, wherein the…
Disclosed are a positive electrode plate and a lithium-ion battery including the positive electrode plate. The positive electrode plate includes a positive current collector, a safety coating layer, a composite fusion layer, and a positive active material layer; the safety coating layer comprises a…
Embodiments described herein relate to current interrupt devices (CIDs) for electrochemical cells that use a thermal trigger (e.g., shape memory and/or bi-metallic materials) to open an electrical circuit just prior to a thermal runaway or during short-circuit event to prevent catastrophic failure…
A battery cell includes an inner plastic layer, an outer plastic layer, and a middle metal layer. The inner and outer plastic layers extends along at least three of sides of the battery cell. The middle metal layer is disposed between the inner and outer plastic layers. The middle metal layer…
The present invention relates to a battery comprising: -i) at least two electrochemical elements (d) connected to one another by a connection part (c), each electrochemical element comprising a container, -ii) a material arranged between said at least two electrochemical elements, and -iii) at…
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