Abstract: A battery that cycles lithium ions includes a negative electrode, a positive electrode, a separator disposed between the negative electrode and the positive electrode, and an ionogel electrolyte. The negative electrode includes electroactive material particles comprising silicon. The positive electrode includes an electroactive positive electrode material. The ionogel electrolyte includes a polymer matrix, an ionic liquid in the polymer matrix, and a lithium salt in the ionic liquid. The ionic liquid includes a cation including a piperidinium ion and an anion including bis(fluorosulfonyl)imide (FSI).

Abstract: A method for manufacturing an anode electrode for a battery cell includes supplying a roughened anode current collector from a roll-to-roll chamber to a magnetron sputtering chamber; routing the roughened anode current collector around a roller in the magnetron sputtering chamber; using T sputtering targets arranged circumferentially around a portion of the roller, sputtering an amorphous silicon layer onto the roughened anode current collector to form an anode electrode, where T is an integer greater than one; and receiving the anode electrode from the magnetron sputtering chamber at the roll-to-roll chamber.

Abstract: A battery cell includes A anode electrodes, wherein each of the A anode electrodes includes a porous anode current collector and an active material layer comprising silicon deposited using physical vapor deposition (PVD) onto the porous anode current collector. The battery cell includes C cathode electrodes including a cathode current collector and a cathode active material layer arranged on the cathode current collector and S separators, where A, C and S are integers greater than one.

Abstract: A manufacturing system for an electrode of a battery cell includes a conveyor belt configured to receive a fiberized powder mixture including an active material, a conductive additive, and a binder. A powder dispensing stage is arranged adjacent to the conveyor belt and configured to dispense the fiberized powder mixture. A pre-forming stage is arranged adjacent to the conveyor belt and configured to receive the fiberized powder mixture dispensed by the powder dispensing stage and to press the fiberized powder mixture into a raw active material layer. N calendaring rollers configured to receive the raw active material layer from the conveyor belt and to calendar the raw active material layer to form an active material layer, where N is an integer greater than one. A pair of laminating rollers is configured to laminate the active material layer to a current collector to form an electrode.

Abstract: A system for manufacturing an electrode for a battery cell includes N?1 pairs of rollers configured to press and calendar dry mixing materials to form an active material layer of the electrode, where N is an integer greater than one. The dry mixing materials include an active material, a conductive filler, and a binder. At least one of the N?1 pairs of rollers includes a first roller operating at a first line speed and a second roller operating at a second line speed different than the first line speed. An Nth pair of rollers including a third roller operating at a third line speed and a fourth roller operating at a fourth line speed that is the same as the third line speed to laminate the active material layer to a current collector.

Abstract: The present disclosure provides a solid-state battery including at least one current collector that is in communication with one or more switches configured to move between open and closed positions, where the open position corresponds to a first operational state of the solid-state battery and the closed position corresponds to a second operational state of the solid-state battery; one or more electrodes disposed adjacent to the one or more current collectors; and one or more electrothermal material foils including a resistor material that is in electrical communication with that at least one current collector, where in the first operational state electrons may flow through the one or more electrothermal material foils during cycling of the solid-state battery so as to initiate a heating mode, and in the second operational state electrons may flow through the current collector during cycling of the solid-state battery so as to initiate a non-heating mode.

Abstract: An electrode for a battery cell includes a current collector and an active material layer arranged on the current collector. In some examples, the active material layer includes an active material, a conductive additive, a positive temperature coefficient (PTC) material, and a binder. In other examples, the active material layer includes active material with an outer coating including PTC material. In other examples, a PTC layer is arranged on the active material layer.

Abstract: Some embodiments disclosed herein are directed to battery management systems utilizing thin-film pressure sensors to determine anomalous conditions associated with battery modules. Some embodiments may include receiving a pressure measurement from the thin-film pressure sensor disposed between two battery cells in a battery module, and determining, based on the pressure measurement from the thin-film pressure sensor, an abnormal condition associated with the battery module. Other embodiments may be disclosed or claimed.

Abstract: A method for manufacturing a battery cell includes providing an anode electrode including a nonplanar silicon film arranged on an anode current collector; immersing the anode electrode in a solution comprising lithium metal, an arene, and an organic solvent for a predetermined period to form a pre-lithiation coating on the nonplanar silicon film; and heating the anode electrode to remove the organic solvent and the arene after the predetermined period.

Abstract: A battery cell includes a cathode electrode including a cathode active material layer and a cathode current collector. An anode electrode includes an anode active material layer and an anode current collector. A solid electrolyte layer is arranged between the cathode active material layer and the anode active material layer. The cathode electrode and the anode electrode exchange lithium ions. A clad terminal comprises a first metal layer and a second metal layer and includes a first portion arranged in the solid electrolyte layer and a second portion extending from the solid electrolyte layer.

Abstract: A cathode electrode includes a cathode current collector and a cathode active material layer comprising a plurality of cathode active material particles including nickel and a plurality of nano-particles that are mechanically inlaid on outer surfaces of the plurality of cathode active material particles to form a plurality of inlaid cathode active material particles.

Abstract: A cathode electrode includes a multi-functional cathode current collector including a cathode current collector and a layer including a positive temperature coefficient (PTC) material arranged adjacent to the cathode current collector. A cathode active material layer is arranged on the multi-functional cathode current collector and includes a cathode active material including nickel.

Abstract: An all-solid-state battery cell includes C cathode electrodes including a cathode active material layer arranged on at least one side of a cathode current collector, A anode electrodes including an anode active material layer and an anode current collector, and S separators comprising a sulfide membrane, where C, A, and S are integers greater than one. A lithium layer arranged between the anode current collector and the anode active material layer. The cathode active material, the anode active material, and the separator are densified prior to arranging the lithium layer and the anode current collector adjacent to the anode active material layer.

Abstract: A battery cell includes C cathode electrodes including a cathode active material layer arranged on a cathode current collector, A anode electrodes including an anode active material layer arranged on an anode current collector, and S separators, where A, C and S are integers greater than one. The anode active material layer comprises silicon and a metal that are co-sputtered. The metal is different than the silicon.

Abstract: A battery cell includes A anode electrodes including an anode active material layer comprising lithium metal active material and an anode current collector, C cathode electrodes including a cathode active material layer comprising LiFePO4 (LFP) active material and a cathode current collector, and S separators arranged between the A anode electrodes and the C cathode electrodes, where A, C, and S are integers greater than one. The S separators comprise a substrate including a coating layer.

Abstract: A battery cell includes A anode electrodes, C cathode electrodes, and S separators arranged between the A anode electrodes and the C cathode electrodes, where A, C, and S are integers greater than one. The S separators include a composite gel membrane that is cured in-situ using ultraviolet light and includes a polymer, a solid electrolyte comprising greater than 20 wt % of the composite gel membrane, an initiator, and a liquid electrolyte.

Abstract: A battery cell includes A anode electrodes each including an anode active material layer including anode active material and an anode current collector, C cathode electrodes include a cathode active material layer including cathode active material and a cathode current collector, and S separators, where A, C, and S are integers greater than one. At least one of the anode active material layer of the A anode electrodes, the cathode active material layer of the C cathode electrodes, and the S separators includes a thermoplastic binder.

Abstract: A solid-state battery cell includes A anode electrodes including an anode active material layer arranged on an anode current collector, C cathode electrodes including a cathode active material layer arranged on a cathode current collector. The cathode active material layer includes cathode active material comprising particles including an outer layer of a material selected from a group consisting of LiNbO3, Li2ZrO3, Li3PO4, and combinations thereof. A solid electrolyte has a D50 size in a range from 4 ?m to 12 ?m. S separators are arranged between the A anode electrodes and the C cathode electrodes, where A, C, and S are integers greater than one.

Abstract: A battery that cycles lithium ions includes a lithium metal negative electrode, a positive electrode, a porous separator disposed between opposing facing surfaces of the lithium metal negative electrode and the positive electrode, and a composite interlayer disposed on the facing surface of the lithium metal negative electrode, between the lithium metal negative electrode and the porous separator. The composite interlayer includes a polymer matrix phase and a lithium salt distributed phase embedded in and distributed throughout the polymer matrix phase. The lithium salt distributed phase constitutes, by weight, greater than or equal to about 10% and less than or equal to about 50% of the composite interlayer.

Abstract: An electrolyte membrane for a battery that cycles lithium ions includes a sulfide-based solid electrolyte, a polymer binder, an inorganic filler, an inorganic lithium salt, and an ionic liquid. The sulfide-based solid electrolyte includes lithium sulfide (Li2S) and at least one element selected from the group consisting of phosphorus (P), tin (Sn), silicon (Si), germanium (Ge), boron (B), gallium (Ga), and aluminum (Al). The ionic liquid includes substantially equimolar amounts of a cation and an anion. The cation includes a complex of lithium (Li+) and an ethylene glycol dimethyl ether, an imidazolium ion, a piperidinium ion, a pyrrolidinium ion, an ammonium ion, a phosphonium ion, or a combination thereof. The anion includes an arsenate ion, a phosphate ion, a sulfonylimide ion, a borate ion, a chlorate ion, or a combination thereof.