Graphene–salen based polysulfide redox catalysts with d-orbital tunability enable dendrite-suppressed lithium–sulfur batteries - Jiajun Chen; Yinuo Yu; Yixian Xiao; Yunxiao Ren; Xinzhao Xia; Wenting Xie; Jiale Liu; Jianying Zhang; Lanying Zhang; Wei Hu; Huai Yang (Chemical Engineering Journal, 2026)