1. 固态锂离子电池、预锂化技术、电池失效机制研究及绿色再生。
通过调控电极-电解液多尺度界面，构筑载流子多维通道，发展了电阻缓冲层、功能化补锂隔膜等多种新型预锂化策略，并在高比能电池中实现了应用。此外，基于电池失效机理，开发出无损分离活性材料、负极提锂并实现正极的直接再生，选择性分离过渡金属，新型溶剂安全高效提取锂元素等策略。
(1) Xin Chang, et al., Qinghai Meng*, Li-Jun Wan, Yu-Guo Guo*, Selective Extraction of Transition Metals from Spent NCM Cathode via Regulation of Coordination Environment, Angew. Chem. Int. Ed., 2022, 61, e202202558;
(2) Min Fan, et al., Qinghai Meng*, Li-Jun Wan*, Yu-Guo Guo*, Increased Residual Lithium Compounds Guided Design for Green Recycling of Spent Lithium-ion Cathodes, Energy Environ. Sci., 2021, 14 (3), 1461-1468；
(3) Qinghai Meng, et al., Zhixiang Wei*, High-Performance All-Carbon Yarn Micro-Supercapacitor for an Intergrated Energy System, Adv. Mater., 2017, 26(24), 4100-4106;
(4) Xin Chang, et al., Qinghai Meng*, Li-Jun Wan, Yu-Guo Guo*, Potential Controllable Redox Couple for Mild and Efficient Lithium Recovery from Spent Batteries, Angew. Chem. Int. Ed., 2023, 10.1002/anie.202310435;
(5) Qinghai Meng, et al., Yu-Guo Guo*, A Functional relithiation Separator Promises Sustainable High‐Energy Lithium‐Ion Batteries, Adv. Energy Mater., 2023, 13, 2300507.
