Electron-ion coupling enables ionic hydrogel with high thermopower for low-grade heat harvest and sensitive fire warning
Weiguo Wang, Zexi Zhao, Zhengzhong Wu, Zizheng Xiong, Qingtao Zeng, Jiefeng Gao, Hongqiang Li, Xingrong Zeng, Xuejun Lai
Abstract
We developed triple-network ionic hydrogel APSG via electron-ion synergy. High strength (1.49 MPa), 4.25 mV/K Seebeck coefficient, outputs 2.5 V (ΔT = 20 K), exceptional flame retardancy (LOI = 42.3%) & 1.7 s fire warning response.
Topics & Concepts
Ionic bondingIonElectronCoupling (piping)Materials scienceSeebeck coefficientWarning systemChemical physicsEnvironmental scienceChemistryComposite materialPhysicsComputer scienceNuclear physicsTelecommunicationsThermal conductivityOrganic chemistryAdvanced Sensor and Energy Harvesting MaterialsAdvanced Battery Materials and TechnologiesSupercapacitor Materials and Fabrication