An electrochemical cell includes an anode, a semi-solid cathode, and a separator disposed therebetween. The semi-solid cathode includes a porous current collector and a suspension of an active material and a conductive material disposed in a non-aqueous liquid electrolyte. The porous current collector is at least partially disposed within the suspension such that the suspension substantially encapsulates the porous current collector.

This disclosure provides collector plates for an energy storage device, energy storage devices with a collector plate, and methods for manufacturing the same. In one aspect, a collector plate includes a body. One or more apertures extend into the body. The apertures are configured to allow a portion of a free end of a spirally wound current collector of a spirally wound electrode for an energy storage device to extend into the one or more apertures.

An electrochemical cell is described, including an anodic chamber and a cathodic chamber separated by an electrolyte separator tube, all contained within a cell case. The cell also includes an electrically insulating ceramic collar positioned at an opening of the cathodic chamber, and defining an aperture in communication with the opening; along with a cathode current collector assembly; and at least one metallic ring that has a coefficient of thermal expansion (CTE) in the range of about 3 to about 7.5 ppm/° C., contacting at least a portion of a metallic component within the cell, and an adjacent ceramic component. An active braze alloy composition attaches and hermetically seals the ring to the metallic component and the collar. Sodium metal halide batteries that contain this type of cell are also described, along with methods for sealing structures within the cell.

A button cell includes a housing, the housing having a cell cup with a flat bottom area, and a cell top with a flat top area, and further includes an electrode-separator assembly winding disposed within the housing, the electrode-separator assembly winding including a multi-layer assembly that is wound in a spiral shape about an axis. The multi-layer assembly includes a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode. The button cell additionally includes a first output conductor between a first end face of the electrode-separator assembly winding and a first of the flat bottom area or the flat top area, and a second output conductor between a second end face of the electrode-separator assembly winding and a second of the flat bottom area or the flat top area. Furthermore, the button cell includes a first insulator and a second insulator.

A battery pack including a battery cell having an anode and cathode terminal at one face having a sealed surplus portion and a protection circuit module (PCM) connected to the cell via the anode and cathode terminal, the PCM including a board having a protection circuit thereon, the board being provided with an anode and cathode terminal connection part connected to the anode and cathode terminal, respectively, and a PCM case configured to receive the board through an open face thereof so that the PCM case surrounds the board. The board is coupled to the anode and cathode terminal of the cell via the anode and cathode terminal connection part, the board is disposed in the PCM case in a state in which the board is parallel to the cell, and the PCM case, in which the board is disposed, is mounted to the sealed surplus portion of the cell.

The present subject matter relates to a battery module for use in a vehicle. The battery module may include a housing, a plurality of battery cells disposed within the housing, and solid state pre-charge control circuitry that pre-charges a direct current (DC) bus that may be coupled between the battery module and an electronic component of the vehicle. Furthermore, the solid state pre-charge control circuitry may include solid state electronic components as well as passive electronic components.

Battery parts, such as battery terminals, and associated systems and methods for making the same are disclosed herein. In one embodiment, a battery part has a base portion that includes one or more undercut sealing portions, each having a root and a lip. The lip can flare outwardly from the root to define an undercut between the root and the lip of the sealing portion. In some embodiments, the battery terminal can include adjacent sealing portions having opposing undercuts defined by overlapping lips of the adjacent sealing portions. Another embodiment includes a forming assembly for use with, for example, a battery part having a bifurcated acid ring with spaced apart lips. The forming assembly can include movable forming members that can be driven together to peen, crimp, flare or otherwise form the lips on the bifurcated acid ring.

A hard shell cell housing for an individual alkali metal cell includes a housing main body with an interior space that is configured to accommodate cell components of the individual alkali metal cell, and a housing cover configured to close off the interior space. The housing main body is formed at least substantially from plastic, and further includes at least one vapor barrier layer.

The present invention relates to a method for combining anode pre-lithiation, limited-voltage formation cycles, and accelerating aging via heated storage to maximize specific capacity, volumetric capacity density and capacity retention of a lithium-ion electrochemical cell.

An all solid electrode structure having a solid electrolyte concentration gradient is provided and a method of improving an output performance is provided with improved ion diffusion and obtaining a high capacity battery, by disposing an anode or cathode electrode having a substantially continuous concentration gradient to have a greater solid electrolyte ratio as being closer to a solid electrolyte interface and have a greater active material ratio as being close to a current collector interface. The active material/solid electrolyte ratio of anode and cathode active material layers has a concentration gradient by a single process using an aerosol deposition method.