Enhancing electret properties of stretchable FEP/Ecoflex triboelectric materials by quenching polarization - Long Zheng; Siyao Qin; Xucong Wang; Hao Gong; Xiaoliang Li; Yaoyi Guo; Zifei Meng; Shuai Ding; Ning Li; Xiangcheng Chu; Xiangyu Chen (Chemical Engineering Journal, 2026)