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US 12,738,507 B2Granted
Metal sheet, battery, nickel-zinc battery and method for manufacturing metal sheet
AssigneesSumitomo Electric Industries, Ltd., Sumitomo Electric Toyama Co., Ltd.
InventorsTomoharu Takeyama, Kazuki Okuno, Masatoshi Majima, Hitoshi Tsuchida
Life of this patent
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Abstract
A flat metal sheet has a principal surface located on one side along a thickness direction, a plurality of struts, a node part where end portions of the plurality of struts are connected to one another, and a plurality of through holes penetrating the principal surface in the thickness direction. The strut and the node part form a mesh structure, and the plurality of the struts are in close contact with each other.
Claims23
A flat metal sheet having a principal surface located on one side along a thickness direction, comprising:
- a plurality of struts;
- a node part where end portions of the plurality of struts are connected to one another, wherein the strut and the node part form a mesh structure, and the plurality of the struts are in close contact with each other;
- and
- a plurality of through holes penetrating the principal surface in the thickness direction, wherein:
- the through holes have a hole diameter greater than or equal to 1 μm and less than or equal to 250 μm at the principal surface, and
- a thickness of the metal sheet is greater than or equal to 10 μm and less than or equal to 80 μm.
3 more elements
Dependencies are inferred from the claim text.