Jin Zehao, Wang Lili, Zheng Kaiyuan, Gao Qiyue, Feng Wei, Hu Shoukang, Yue Ming, Shan Xiaobiao
College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, China.
College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, China.
J Colloid Interface Sci. 2024 Sep;669:275-282. doi: 10.1016/j.jcis.2024.04.228. Epub 2024 May 2.
The triboelectric nanogenerator (TENG) of natural biomaterials is a new type of energy harvesting device and can be used as a self-powered sensor, which has received extensive research and attention. In this paper, based on the biocompatibility of chitosan and chondroitin sulfate, ZnO-modified chitosan/chondroitin sulfate/ZnO TENG was prepared for research on wearable devices and sustainable power supply devices. This study employs molecular dynamics to compute the interaction energy between chitosan and ZnO molecules. Theoretical calculations have unequivocally substantiated the occurrence of a binding interaction between these two molecular entities. The effect of ZnO on chitosan/chondroitin sulfate morphology was investigated by atomic force microscopy. The chitosan/chondroitin sulfate/ZnO TENG has high flexibility and electrical output performance. It can reach 105 V and 3.3 µA of open-circuit voltage and short-circuit current. Chitosan/chondroitin Sulfate/ZnO TENG successfully converts the mechanical energy of human motion into electrical energy. Strong electrical signals are exhibited when making fists and waving fingers and wrists. The TENG is a self-powered source and lights up 70 blue light-emitting diodes (LEDs). The chitosan/chondroitin sulfate/ZnO TENG has demonstrated its capabilities in energy harvesting and wearable self-powered sensors.
天然生物材料摩擦纳米发电机（TENG）是一种新型的能量收集装置，可作为自供电传感器，已受到广泛研究和关注。本文基于壳聚糖和硫酸软骨素的生物相容性，制备了ZnO改性的壳聚糖/硫酸软骨素/ZnO TENG，用于可穿戴设备和可持续供电设备的研究。本研究采用分子动力学计算壳聚糖与ZnO分子之间的相互作用能。理论计算明确证实了这两个分子实体之间存在结合相互作用。通过原子力显微镜研究了ZnO对壳聚糖/硫酸软骨素形态的影响。壳聚糖/硫酸软骨素/ZnO TENG具有高柔韧性和电输出性能。其开路电压可达105 V，短路电流可达3.3 μA。壳聚糖/硫酸软骨素/ZnO TENG成功地将人体运动的机械能转化为电能。握拳以及挥动手指和手腕时会显示出强电信号。该TENG是一种自供电源，可点亮70个蓝色发光二极管（LED）。壳聚糖/硫酸软骨素/ZnO TENG已在能量收集和可穿戴自供电传感器方面展现出其能力。
