Profiled Viscose Rayon Separator

Suppresses HERs, guides epitaxial Zn

Surface grooves and carboxyl groups work together to reconfigure Zn deposition, greatly extending the cycle life of zinc-ion batteries.

Sainan, Ou · Zheng, Jiaxian · Xingshu, Chen · Li, Ran · Yuan, Zhanhui · Liu, Shude · Yao, Niu · An, Meng · Ge, Zhou · Yusuke, Yamauchi · Xinxiang, Zhang

Energy and Environmental Sciences 2025

Advantages

Cycle life over 4600 h at 1 mA cm⁻²

Zn crystal growth direction shifts from (101) to (002)

Enhanced rate capability