Dually enhanced methylcellulose conductive gel with self-healing, stretchability and anti-swelling for wearable microstructured triboelectric nanogenerator - Chenyu Li; Can Yang; Jingting Chen; Zimo Qin; Yue Xiao; Wenjie He; Shuzheng Liu; Gang Qin; Jia Yang; Qiang Chen (Chemical Engineering Journal, 2026)