Abstract: Methods for fabricating an anode, methods for fabricating a battery, and lithium batteries are disclosed. A method for fabricating an anode includes forming a melt comprising lithium and a surface tension reduction agent, wherein the surface tension reduction agent is selected from the group consisting of silver, tin, gallium, indium, zinc, and combinations thereof; and contacting an anode current collector with the melt, wherein a layer of the melt wets onto the anode current collector to form the anode as a lithium alloy.

Abstract: A method for manufacturing an anode electrode for a battery cell includes providing a current collector; and forming a layer on the current collector to create a coated current collector. The layer includes one of a metal and a metal oxide that is not miscible in molten lithium. The method includes immersing the coated current collector in molten lithium to coat the coated current collector.

Abstract: A battery cell includes a battery cell stack including A anode electrodes including an anode active material layer arranged adjacent to an anode current collector; C cathode electrodes including a cathode active material layer arranged adjacent to a cathode current collector; and S separators arranged between the A anode electrodes and the C cathode electrodes. The anode active material layer of the A anode electrodes includes a lithium metal layer and a lithium alloy layer comprising an alloy of lithium and a lithiophilic metal.

Abstract: A battery cell including a can body of an enclosure comprising a sheet of metal that is folded into an open cylindrical shape and welded. The can body includes a first opening and a second opening at opposite ends of the can body. The can body is configured to receive a battery cell stack. A lid portion of the enclosure is attached to the first opening of the can body. A bottom portion of the enclosure is attached to the second opening of the can body.

Abstract: A battery cell includes a battery cell stack including A anode electrodes, C cathode electrodes, and S separators, where A, C, and S are integers greater than one. A double-walled prismatic enclosure is configured to house the battery cell stack including a can body including an inner enclosure, an outer enclosure, and a gap between the inner enclosure and the outer enclosure. The battery cell stack is arranged in the inner enclosure. The outer enclosure of the can body defines a first opening and a second opening at opposite ends thereof. A first lid portion is attached to the first opening of the outer enclosure. A first bottom portion is attached to the second opening of the outer enclosure.

Abstract: A battery cell comprises a battery cell stack including A anode electrodes; C cathode electrodes; and S separators, where A, C, and S are integers greater than one. An enclosure configured to house the battery cell stack includes a can body defining a first opening and a second opening at opposite ends of the can body; a lid portion joined to the first opening of the can body by a first brazed filler material that is arranged between the lid portion and the can body and that has a first melting temperature; and a bottom portion joined to the second opening of the can body.

Abstract: A method for manufacturing a current collector for an electrode of a battery cell includes providing a wire mesh current collector including a plurality of first wires and a plurality of second wires that overlap to form a plurality of mesh joints. A diameter of the plurality of first wires and the plurality of second wires is in a range from 4 ?m to 100 ?m. The method includes coating the wire mesh current collector with a metal coating by immersing the wire mesh current collector in a bath including a metal salt.

Abstract: A method for manufacturing a current collector for an electrode of a battery cell includes providing a wire mesh current collector including wires that have a diameter and form mesh junctions; and rolling the wire mesh current collector using a first roller and a second roller, wherein the first roller and the second roller are spaced by a predetermined gap. The predetermined gap is less than 2 times the diameter of the wires of the wire mesh current collector.

Abstract: A method for manufacturing a current collector for an electrode of a battery cell includes forming the current collector using a metal 3D printing process; defining L layers of the current collector, where L is an integer greater than zero during the 3D printing of the current collector; and defining a lattice structure in at least one of the L layers of the current collector during the 3D printing of the current collector.

Abstract: A shear panel construction includes a patterned upper sheet metal panel including a planar section and having a plurality of upwardly protruding portions defining first strengthening crossbar sections extending upward from the planar section, the planar section of the patterned upper sheet metal panel extends to an edge of the patterned upper sheet metal panel. A patterned lower sheet metal panel is secured to a bottom surface of the patterned upper sheet metal panel, the patterned lower sheet metal panel having a plurality of protruding portions defining second strengthening crossbar sections.

Abstract: A method for fabricating an anode electrode includes providing a stainless steel current collector, forming a metal oxide layer on the stainless steel current collector, and pouring molten lithium over the metal oxide layer of the stainless steel current collector to create a lithium metal layer on the metal oxide layer.

Abstract: A method for manufacturing electrodes for a battery cell includes providing a first free-standing electrode; providing a current collector including holes; providing a second free-standing electrode; and laminating the current collector between the first free-standing electrode and the second free-standing electrode using at least one of heat and pressure and without using a solvent.

Abstract: An electrode assembly includes a current collector, a lithium metal foil, and an alloyed interface that chemically binds the current collector and the lithium metal foil. In certain variations, the alloyed interface includes an intermediate layer disposed between the current collector and the lithium metal foil, a portion of the current collector adjacent to the intermediate layer is alloyed with the indium, gallium, or alloy of indium and gallium defining the intermediate layer, and a portion of the lithium metal foil adjacent to the intermediate layer is alloyed with the indium, gallium, or alloy of indium and gallium defining the intermediate layer. In other variations, the alloyed interface includes a copper-lithium alloy.

Abstract: A gradient steel includes a first layer, a second layer near a first surface of the first layer, and a third layer near a second surface of the first layer. The first layer includes a first ferrite phase volume. The second and third layers include a second ferrite phase volume greater than the first ferrite phase volume. The gradient steel may also include a fourth layer near the second layer and a fifth layer near the third layer. The fourth and fifth layers may each include a third ferrite phase volume greater than the second ferrite phase volume. The gradient steel may also include a sixth layer near the fourth layer and a seventh layer near the fifth layer. The sixth and seventh layers may each include a fourth ferrite phase volume greater than the third ferrite phase volume.

Abstract: An electrode assembly includes a current collector, a lithium metal foil, and an alloyed interface that chemically binds the current collector and the lithium metal foil. In certain variations, the alloyed interface includes an intermediate layer disposed between the current collector and the lithium metal foil, a portion of the current collector adjacent to the intermediate layer is alloyed with the indium, gallium, or alloy of indium and gallium defining the intermediate layer, and a portion of the lithium metal foil adjacent to the intermediate layer is alloyed with the indium, gallium, or alloy of indium and gallium defining the intermediate layer. In other variations, the alloyed interface includes a copper-lithium alloy.