Chunpeng Yang

Jul 14, 2023 | nature.com | Zhe Weng |Chunpeng Yang

ChemicalsChitosan (D.D ≥ 95%, Aladdin), k-carrageenan (99%, Aladdin), ZnSO4 (ACS purity grade, 99%, Aladdin), V2O5 (99.95% trace metals basis, Alfa Aesar), Zinc acetate (Zn(Ac)2, ACS purity grade, 98%, Aladdin), N-methyl-2-pyrrolidone (NMP, 99%, Aladdin), deionized water (18.2 MΩ cm−1), Super P carbon (99.5%, Guangdong Canrd New Energy Technology Co., Ltd, particle size of 40 nm).