A flexible Micro-spinous MXene/P(VDF-TrFE) composite triboelectric sensor for self-powered identity authentication and tactile perception - Kexin Chen; Wei Li; Hongji Guan; Dexin Song; Licheng Wei; Hanbin Ding; Xinbo Wang; Shuyan Chen; Xuejuan Kang; Wen Ouyang; Wenchao Zhai; Xuan Peng; et al. (Chemical Engineering Journal, 2026)