Abstract: An electrolyte composition for batteries is provided. The electrolyte composition includes a solvent blend that includes cyclic carbonate and linear carbonate. The electrolyte composition further includes a lithium-based salt, fluoroethylene carbonate, vinylene carbonate, and a metal-based salt additive. The metal-based salt additive includes counterions of a metal and trifluoromethanesulfonimide. The metal is chosen from magnesium (Mg), manganese (Mn), aluminum (Al), iron (Fe), nickel (Ni), or combinations thereof.

Abstract: A method for controlling a battery includes operating a lithium- and manganese-rich (LMR) battery within a first voltage window defined by an upper cutoff voltage threshold and a lower cutoff voltage threshold; monitoring a battery capacity of the LMR battery; and in response to the battery capacity of the LMR battery falling below a predetermined battery capacity, changing the first voltage window to a second voltage window by reducing the lower cutoff voltage threshold by a predetermined voltage value.

Abstract: A computer-implemented method when executed by data processing hardware causes the data processing hardware to perform operations. The operations include receiving, at a monitoring application, battery data of a battery of a vehicle, detecting, via the monitoring application, a battery event based on the received battery data, and estimating, via a fault mitigation algorithm, a severity level of the battery event, the severity level being one of a first level and a second level. The operations also include executing, via the fault mitigation algorithm, mitigation actions based on the estimated severity level and communicating, via a communication system, a fault status and a mitigation plan based on the executed mitigation actions.

Abstract: Aspects of the disclosure include lithium and manganese rich (LMR) battery cells having fluorine rich organic/inorganic coatings and methods of manufacturing the same. An exemplary vehicle includes an electric motor and a battery pack electrically coupled to the electric motor. The battery pack includes a battery cell that includes an anode current collector, an anode active material layer in direct contact with a surface of the anode current collector, a cathode current collector, a cathode active material layer in direct contact with a surface of the cathode current collector, and a separator. The cathode active material layer includes a lithium and manganese rich (LMR) cathode active material coated with a fluorine rich organic/inorganic coating. The fluorine rich organic/inorganic coating includes carbon nanotube (CNT) filled polytetrafluoroethylene (PTFE) nanofibers physisorbed onto the LMR cathode active material.

Abstract: Aspects of the disclosure include lithium-ion cells with gas adsorbers and methods of manufacturing the same. An exemplary vehicle includes an electric motor and a battery pack electrically coupled to the electric motor. The battery pack includes a battery cell that includes an anode layer having an anode active material and an anode current collector, a cathode layer having a cathode active material and a cathode current collector, and a separator positioned between the anode layer and the cathode layer. The battery cell further includes a gas adsorber having a gas adsorbent material. The gas adsorbent material is selected to react with at least one offgas that includes a gas phase cycling byproduct produced when cycling the battery cell to form a compound having a solid phase under a cycling temperature and a cycling pressure of the battery cell.

Abstract: A battery cell assembly includes a housing, at least one electrode stack, a cooling plate, an insert, and a fluid flow path. The housing includes a first end and a second end and defines a cavity, the first end including terminals and the second end defining a vent. The at least one electrode stack is disposed within the cavity and includes interior portions defining a central space, the central space being aligned with the vent. The cooling plate is coupled to the second end of the housing. The insert is disposed within the central space of the at least one electrode stack. The fluid-flow path is selectively defined within the insert and directed toward the vent.

Abstract: A method for monitoring a battery module in a vehicle includes selecting an upper cut-off voltage and a lower cut-off voltage for the battery module. The method includes charging the battery cell from an original state to a first benchmark voltage greater than an upper cut-off voltage, via a first charging process. The method includes discharging the battery cell from the first benchmark voltage to a second benchmark voltage less than a lower cut-off voltage, via a first discharging process. The battery module is then charged from the second benchmark voltage to the first benchmark voltage, via a second charging process. The method includes obtaining a ratio of a discharging capacity to a charging capacity of the battery module. Operation of the vehicle is controlled based in part on the ratio, including taking at least one remedial action if the ratio is less than a predefined threshold.

Abstract: A battery cell including: an enclosure; a stack of anode electrodes and cathode electrodes within the enclosure; a vent configured to open to release gas out from within the enclosure when pressure within the enclosure exceeds a threshold; and a bracket within the enclosure supporting the stack, the bracket defining at least one passageway through the bracket configured to allow gas to flow through the bracket to the vent.

Abstract: Embodiments of a liquid metal (LM)-vitrimer composite that is reclaimable, recyclable, flexible, and electrically conductive are described. An example conductive composite includes a vitrimer matrix. The conductive composite further includes an electrically conductive percolated network of liquid metal elements disposed in the vitrimer matrix. Another example conductive composite includes a vitrimer matrix and a liquid metal-vitrimer composite layer disposed in the vitrimer matrix. The liquid metal-vitrimer composite layer includes an electrically conductive percolated network of liquid metal elements. An example device includes a substrate and a conductive composite coupled to the substrate. The conductive composite includes a vitrimer matrix. The conductive composite further includes an electrically conductive percolated network of liquid metal elements disposed in the vitrimer matrix.

Abstract: Disclosed are a back door for a vehicle and a vehicle. The back door for a vehicle includes: a back door trim panel and a rear shielding plate which is provided with a first side edge, a second side edge, a third side edge and a fourth side edge that are sequentially connected; the first side and the third side edge are each connected to the back door trim panel in a non-rotatable manner; and the second side edge is used for being in lap joint with a front shielding plate. The rear shielding plate moves along with the back door when the back door is opened; and when the back door is closed, the rear shielding plate is in lap joint with the front shielding plate, to form a shielding plate of the luggage compartment.

Abstract: A method for manufacturing a cathode electrode includes forming a composite cathode active material by providing a first cathode active material. The first cathode active material comprises a lithium- and manganese-rich (LMR) cathode active material. The method includes forming an outer layer including a second cathode active material on the first cathode active material to form a composite cathode active material. The second cathode active material comprises an NMX cathode active material including lithium, and nickel and manganese with a molar ratio in a range from 3/7 to 8/2.

Abstract: A battery cell includes A anode electrodes, C cathode electrodes, wherein each of the C cathode electrodes includes a cathode active material layer arranged on a cathode current collector, and S separators, where A, C, and S are integers greater than one. The cathode active material layer includes cathode active material including LMR cathode active material and NMX cathode active material.

Abstract: The present invention relates to solid forms of the poly(ADP-ribose) polymerase 7 (PARP7) inhibitor 5-[[(2S)-1-(3-oxo-3-[4-[5-(trifluoromethyl)pyrimidin-2-yl]piperazin-1-yl]propoxy)propan-2-yl]amino]-4-(trifluoromethyl)-2,3-dihydropyridazin-3-one, and salts thereof, including methods of preparation thereof, where the inhibitor is useful in the treatment of cancer.

Abstract: A charging module configured to charge a battery system of a vehicle includes a usage prediction module configured to predict usage of the vehicle subsequent to a charging event, a target state of charge (SOC) calculation module configured to determine a target SOC based on the predicted usage of the vehicle subsequent to the charging event, and a charging control module configured to selectively charge the battery system, based on the predicted usage of the vehicle subsequent to the charging event, to one of the target SOC and a limited SOC.

Abstract: A system for recycling a Lithium-ion battery includes an electrolyte bath, a stack of cells, a sheet of lithium metal, and a circuit. The stack of cells is removed from a container of the battery without dismantling the cells and immersed in the electrolyte bath. Each cell includes a first electrode and a second electrode. The first electrodes of the cells are connected together by first connections. The second electrodes of the cells are connected together by second connections. The sheet of lithium metal is immersed in the electrolyte bath. The circuit is connected to the sheet of lithium metal and one of the first electrodes of the cells. The circuit is configured to re-lithiate the cells according to an amount of re-lithiation predetermined for the cells.

Abstract: A method for manufacturing a battery cell comprising manufacturing C cathode electrodes by coating first and second cathode active material layers on opposite sides of C cathode current collectors, and applying first and second seal coatings on the C cathode current collectors to surround the first and second cathode active material layers, respectively. The method includes manufacturing A anode electrodes by coating first and second anode active material layers on opposite sides of A anode current collectors; and applying first and second seal coatings on the A anode current collectors to surround the first and second anode active material layers, respectively. The method includes arranging S separators between the C cathode electrodes and the A anode electrodes to form a battery cell stack, where C, A and S are integers greater than one.

Abstract: A method for monitoring a battery module in a vehicle includes selecting an upper cut-off voltage and a lower cut-off voltage for the battery module. The method includes charging the battery cell from an original state to a first benchmark voltage greater than an upper cut-off voltage, via a first charging process. The method includes discharging the battery cell from the first benchmark voltage to a second benchmark voltage less than a lower cut-off voltage, via a first discharging process. The battery module is then charged from the second benchmark voltage to the first benchmark voltage, via a second charging process. The method includes obtaining a ratio of a discharging capacity to a charging capacity of the battery module. Operation of the vehicle is controlled based in part on the ratio, including taking at least one remedial action if the ratio is less than a predefined threshold.

Abstract: A system for key absence management in a vehicle configured to be started by an electronic key fob includes a key absence management controller that implements a method configured to authorize starting of the vehicle by monitoring presence and absence of the electronic key fob in the vehicle. If the controller finds the electronic key fob to be present in the vehicle, then the controller authorizes starting of the vehicle. If the controller finds the electronic key fob to be absent from the vehicle, then the controller authorizes starting of the vehicle based on detection of a keyless authority indicator. A vehicle configured to be started by an electronic key fob includes the system with the controller that implements the method.

Abstract: An anode for a rechargeable battery cell includes an electrode substrate and a current collector fixed to the electrode substrate. The anode also includes an active layer arranged on the current collector and having discrete first material sections and second material sections arranged in an alternating pattern. Each discrete material section is aligned perpendicular to the current collector. The active layer is configured to intercalate transient ions during charging of the battery cell and de-intercalate the transient ions during discharging of the battery cell. A method of manufacturing such an anode for a rechargeable battery cell is also considered.

Abstract: An anode for a rechargeable battery cell includes an electrode substrate and a current collector fixed to the electrode substrate. The anode also includes an active layer arranged on the current collector and having discrete first material sections and at least one second material section arranged in an alternating pattern. Each discrete material section is aligned parallel to the current collector. The active layer is configured to intercalate transient ions during charging of the battery cell and de-intercalate the transient ions during discharging of the battery cell. A method of manufacturing such an anode for a rechargeable battery cell is also considered.