CPC H01M 50/531 (2021.01) [C22C 5/06 (2013.01); C22C 9/00 (2013.01); H01M 10/0525 (2013.01); B82Y 30/00 (2013.01)] | 21 Claims |
1. A stock material, comprising:
a metallic material comprising crystal grains and having a thickness of greater than 50 microns; and
at least 90% of the crystal grains comprising nanotwin boundaries, wherein the crystal grains are equiaxial.
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