CPC H01M 50/44 (2021.01) [H01M 10/0525 (2013.01); H01M 50/434 (2021.01); H01M 50/446 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01); H01M 50/403 (2021.01); Y02E 60/10 (2013.01); Y02T 10/70 (2013.01)] | 20 Claims |
1. A battery separator comprising
a nanofiber mat, the nanofiber mat comprising at least one nanofiber, the at least one nanofiber comprising a continuous matrix material being continuous along at least 10% of the length of the nanofiber, and a plurality of discrete domains within the nanofiber, wherein the continuous matrix material comprises at least one ceramic material, a polymer, a ceramic material and a polymer, or an integrated material of ceramic and polymer, wherein the discrete domains are non-aggregated and are dispersed in a substantially uniform manner, along the length of the nanofiber, and wherein the continuous matrix material, the discrete domains, or both the continuous matrix material and the discrete domains comprise at least one ceramic material.
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