Theoretical Design and Experimental Study of a Piezoelectric Energy Harvesting System for Self-Powered Ski Boots. - Jie, Meng; Cai, Lutong; Jiang, Delong; Qi, Zhenxiang; Sun, Zhi; Zhang, Fei; Zhao, Yejing; Li, Zhihao; Chen, Jun; Zhang, Shuai (Coatings (2079-6412), 2025)