A battery including a conductive housing, a header assembly, and electrode assembly where the electrode assembly includes a solid-state electrolyte. A battery including a conductive housing having an inner surface and an outer surface, a header assembly, an electrode assembly, and an electrically insulative coating on at least a portion of the inner surface of the conductive housing.

This electrochemical element for a battery, comprising a first electrode of a first polarity, a first terminal of the first polarity, a second electrode of a second polarity, a second terminal of the second polarity, and a casing comprising a first wall and a second wall. The first wall and the second wall each comprise a base body of metal and an electrically insulating layer. The electrically insulating layer comprises either a plastic coating or a layer resulting from a surface treatment. Each of the base bodies comprises a base body edge. The edges of the base bodies are joined by a weld bead to form the casing. At the location of the weld bead, the base bodies are free of the electrically insulating layer.

A battery for an aircraft. The present embodiments further relate to an aircraft with at least one such battery. The battery may include a battery casing with a casing wall that forms an interior volume, a plurality of battery cells that is arranged in the interior volume, and a functional layer that is arranged at the casing wall between the plurality of battery cells and the battery casing. The functional layer may include an intumescent material that, in case of a breach of the battery casing, is adapted to ensuring flame containment within the interior volume and mitigation of uncontrolled heat and gas emission from the interior volume through the breach of the battery casing.

A battery includes a battery case including a housing having side walls defining a first open end and a second open end, the battery case including a separate top cover to cover the first open end of the housing and a separate bottom cover to cover the second open end of the housing; a first electrode located within the case; a second electrode located within the case; a first terminal coupled to the first electrode and exposed outside the case; and a second terminal coupled to the second electrode and exposed outside the case.

A surface-treated steel sheet for a battery container includes a steel sheet, an iron-nickel diffusion layer formed on the steel sheet, and a nickel layer formed on the iron-nickel diffusion layer and constituting the outermost layer. When the Fe intensity and the Ni intensity are continuously measured from the surface of the surface-treated steel sheet for a battery container along the depth direction with a high frequency glow discharge optical emission spectrometric analyzer, the thickness of the iron-nickel diffusion layer being the difference (D2−D1) between the depth (D1) at which the Fe intensity exhibits a first predetermined value and the depth (D2) at which the Ni intensity exhibits a second predetermined value is 0.04 to 0.31 μm; and the total amount of the nickel contained in the iron-nickel diffusion layer and the nickel contained in the nickel layer is 10.8 to 26.7 g/m2.

Provided is a secondary battery in which corrosion of an exterior body is stably suppressed. A non-aqueous electrolyte secondary battery according to an embodiment of the present disclosure comprises: an exterior body having a bottomed cylindrical shape and having a grooving portion in an opening portion; an electrode body and a non-aqueous electrolyte housed in the exterior body; and a sealing body caulked and fixed between the grooving portion and an opening end in the opening, wherein in a portion from the grooving portion of the inner surface of the exterior body to the open end portion, a powder of at least one among compounds selected from the group consisting of hydroxides, oxides, and carbonates is present.

An aluminum battery packaging film includes a heat-sealing layer, wherein a material of the heat-sealing layer includes modified polyethylene terephthalate, polycarbonate, polyimide, or a combination thereof.

A battery interconnection system incorporating a temperature control mechanism having a first battery cell and a second battery cell is provided. The first battery cell has an electrically positive tab and an electrically negative tab. The second battery cell has an electrically positive tab and a electrically negative tab. The electrically positive tab of the first battery cell couples with the electrically positive tab of the second battery cell. Moreover, the electrically negative tab of the first battery cell couples with the electrically negative tab of the second battery cell. The first battery cell includes a cathode electrically coupled with the electrically positive tab of the first battery cell and the second battery cell includes a cathode electrically coupled with the electrically positive tab of the second battery cell. The first battery cell also has an anode electrically coupled with the a electrically negative tab of the first battery cell and the second battery cell has an anode electrically coupled with the electrically negative tab of the second battery cell.

A surface-treated steel sheet for a battery container, including a steel sheet, an iron-nickel diffusion layer formed on the steel sheet, and a nickel layer formed on the iron-nickel diffusion layer (and constituting the outermost layer, wherein when the Fe intensity and the Ni intensity are continuously measured from the surface of the surface-treated steel sheet for a battery container along the depth direction with a high frequency glow discharge optical emission spectrometric analyzer, the thickness of the iron-nickel diffusion layer being the difference between the depth at which the Fe intensity exhibits a first predetermined value and the depth at which the Ni intensity exhibits a second predetermined value is 0.04 to 0.31 μm; and the total amount of the nickel contained in the iron-nickel diffusion layer and the nickel contained in the nickel layer is 4.4 g/m.sup.2 or more and less than 10.8 g/m.sup.2.

To provide a surface-treated steel sheet for battery containers excellent in workability while maintaining battery characteristics and liquid leakage resistance, and a manufacturing method thereof. A surface-treated steel sheet for battery containers according to the present invention includes a Ni—Co—Fe-based diffusion alloy plating layer on at least one surface of a base steel sheet, in which the diffusion alloy plating layer is consisted of a Ni—Fe alloy layer and a Ni—Co—Fe alloy layer, which are arranged sequentially from the base steel sheet side, the diffusion alloy plating layer has a Ni coating weight within a range of 3.0 g/m.sup.2 or more and less than 8.74 g/m.sup.2 and a Co coating weight within a range of 0.26 g/m.sup.2 or more and 1.6 g/m.sup.2 or less, with a total of the Ni coating weight and the Co coating weight being less than 9.0 g/m.sup.2, when a surface of the diffusion alloy plating layer is analyzed by an X-ray photoelectron spectroscopy, Co: 19.5 to 60%, Fe: 0.5 to 30%, and Co+Fe: 20 to 70% in atom % are satisfied, and a thickness of the Ni—Fe alloy layer is within a range of 0.3 to 1.3 μm.