Synergy boosts capacitance
A functional CoS scaffold induces highly active Ni sites, resolving the trade-off between NiS₂'s poor stability and CoS's low capacitance, yielding a composite electrode with both high capacitance and stability.
Wang, Xiaoqu · Dequan, Li · Zhou, Tong · Sun, Huachuan · Chen, Mingpeng · Zhang, Jin · Zhu, Zhongqi · Lu, Qingjie · Liu, Qingju
Journal of Energy Storage 2026
Assembled flexible asymmetric supercapacitor achieves energy density of 105.1 Wh kg⁻¹ at 750 W kg⁻¹