纤维素纳米纤丝制备光伏储能线状器件的界面结合机理

Taking the surface and interface science of the nano-structure of linear photovoltaic conversion and energy storage intergrated device as the pointcut, we develop a research concerning of linear photovoltaic device and supercapacitor. In this project, first, we proposed a theoretical foundation on self-assembly intergrated device of all-solid-state linear coaxial solar cell and supercapacitor; Aimed to improve the photovoltaic conversion efficiency of perovskite photovoltaic devices and the intergrated preparation of high power density and energy density all-solid-state linear supercapacitor; based on the controllable preparation and in-situ characterization of surface and interface structure of nano-cellulose energy material; Investigating the mechanism and principal of charges rapid separation and transport in the oriented nanocellulose-based electrode, realizing the controllable preparation of nano-structure material devices affording to energy conversion and storage. Second, concerning to the key scientific problem of the transfer rule of efficient solar capture and conversion, we construct the controllable principle of energy conversion and storage of photovoltaic energy-storage devices, and reveal the mechanism and principle of charges rapid separation and transport in the oriented nanocellulose-based electrode; At last, we illuminate the fabrication of linear flexible and foldable perovskite solar cells using flexible conductive base materials, realize the intergration of photoelectric conversion and energy storage linear photoelectric device,expand the application of cellulose nanocomposite in the area of new energy materials.

以光电转换和能量存储线状光电集成器件纳米结构材料的表界面科学问题为切入点,开展线状光伏器件和超级电容器的一体化集成研究。提出组装全固态线状同轴太阳能电池和超级电容器集成器件的理论依据；以提高钙钛矿光伏器件光电转化效率和高功率密度、高能量密度全固态线状超级电容器的一体化制备为目标，研究基于纳米纤维素的能源材料可控制备和表界面结构原位表征；探讨电荷在取向纳米纤维电极中快速分离和传输的机制与规律，实现能量转换与存储器件纳米结构材料的可控制备。针对太阳能高效捕获和转换中传递规律的关键科学问题，建立光电转换储能器件能量转化与存储的调控理论，揭示电荷在取向纳米纤维电极中快速分离和传输的机制与规律；阐明柔性导电基底制备线状柔性可弯曲钙钛矿太阳能电池的机理，实现光电转化和能量存储线状光电集成器件的一体化集成，拓展纤维素纳米复合材料在能源新材料中的应用。

以光电转换和能量存储线状光电集成器件纳米结构材料的表界面科学问题为切入点，开展线状光伏器件和超级电容器的一体化集成研究。提出组装全固态线状同轴太阳能电池和超级电容器集成器件的理论依据；以光伏器件光电转化效率和高功率密度、高能量密度全固态线状超级电容器的一体化制备为目标，研究基于纳米纤维素的能源材料可控制备和表界面结构原位表征；探讨电荷在取向纳米纤维电极中快速分离和传输的机制与规律，实现能量转换与存储器件纳米结构材料的可控制备。针对太阳能高效捕获和转换中传递规律的关键科学问题，建立光电转换储能器件能量转化与存储的调控理论，揭示电荷在取向纳米纤维电极中快速分离和传输的机制与规律；阐明柔性导电基底制备线状柔性可弯曲光－热－电一体化的太阳能超级电容器的机理，实现光电转化和能量存储线状光电集成器件的一体化集成，拓展纤维素纳米复合材料在能源新材料中的应用。