研究领域
电化学催化
电化学催化反应是实现电能和化学能相互转换的重要途径，是不少未来新能源技术的核心关键。我们课题组目前致力于CO2还原、H2氧化、O2还原制H2O2等关键反应的纳米电催化材料研究，通过设计和调控材料的组成、结构与表界面来提升反应的电催化活性、选择性和稳定性。在前期的工作中，我们课题组在CO2还原制备CO和甲酸、碱性体系下氢氧化等方面的研究取得了多项重要的研究成果，率先发展了一系列高效电化学催化材料，包括：大环过渡金属分子催化剂和杂原子掺杂的碳材料用于实现CO的高选择性生成；若干新型的二维铋烯和钯基催化剂用于CO2还原制备甲酸盐；双功能的Ni3N和NiMo合金用于高效的碱性氢氧化/析氢反应等。基于前期的研究基础，我们现阶段的工作集中在CO2/CO还原制备多碳(C2+)产物的研究、多级协同催化体系的构建以及新型非贵金属基氢氧化催化剂的开发等领域。此外，为了推进碳资源转化技术的发展，我们课题组以技术应用为导向,在电催化反应装置的研制和面向大规模应用的工艺流程开发等方面也进行了一定尝试。
新型电池
化学电池是通过电能和化学能相互转换实现能量有效储存的装置。以锂离子电池为代表的传统电池技术因其成本和安全性问题，其发展已进入瓶颈期。针对上述挑战，我们课题组尝试通过对正负极电极材料的合理构筑、加工和优化，希望开发高安全性、高循环稳定性、高能量密度和低成本的新型电池体系，包括碱金属离子电池、金属-硫电池、金属-空气电池等。课题组代表性的工作包括：发展了无定型MoS3作为高性能钠离子电池材料和锂/钠/钾-硫电池“类硫”正极材料，获得了良好的电极容量和循环稳定性；报道了泡沫铜集流体化学固硫作用，发展了WxC、Mo2C等材料化学固硫和电催化多硫化物转化作用，缓解了金属-硫电池中的“穿梭效应”问题；设计了简单的碱金属负极保护方法，使用碳纸或硅抑制了锂/钠/钾枝晶的生长。目前，我们的研究主要集中在碱金属离子电池和多价离子电池的无机/有机纳米电极材料设计上，研究材料结构与电化学性能之间的构效关系，希望发现一些新的规律和现象。
光催化
人工光合成通过模拟自然界植物光合作用，利用太阳能将CO2和H2O转化为清洁燃料，为能源的生产提供了一条绿色、可持续的途径。实现这一目标的关键是开发高效的半导体光催化材料。本课题组最近以有机聚合物半导体材料为主要研究对象，探索它们在光催化CO2还原，H2O裂解制氢以及生物质转化等领域的应用。借助有机材料灵活的分子设计，从分子层面对有机半导体的光电特性、表面性质进行优化调控，提高光催化反应活性和产物选择性，并结合多种表征手段揭示材料结构和催化性能之间的构效关系。在最近的研究中，我们利用逐步聚合物方法，构筑了共价键键联的共价三嗪聚合物(CTFs)异质结，有效抑制光生电荷的复合，极大提升光催化析氢的活性；利用D-A型聚合物半导体作为光催化剂在可见光照射下直接活化水溶液中H+,实现对不饱和双键的氢化还原，获得具有高附加值的有机化学品。在现阶段，我们的研究主要集中在结晶的二维共价有机框架材料(2D-COFs)的合成及其光催化应用研究。另外，我们也积极探索新型有机-无机杂化的光催化体系构筑及其在能源光催化方面的应用。
近期论文
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Junfei Zhang, Yunling Wu, Mao Liu, Lu Huang, Yanguang Li* and Yingpeng Wu* Self-Adaptive Reorganization Enables Polythiophene as an Extraordinary Cathode Material for Aluminum-Ion Batteries with a Cycle Life of 100,000 Cycles. Angew. Chem. Int. Ed. 2023, in press.
Chaochen Shao#, Qing He#, Mochun Zhang#, Lin Jia, Yujin Ji, Yongpan Hu, Youyong Li, Wei Huang* and Yanguang Li* A Covalent Organic Framework Inspired by C3N4 for Photosynthesis of Hydrogen Peroxide with High Quantum Efficiency. Chin. J. Catal. 2023, in press
Fang Lv#, Mingzi Sun#, Yongpan Hu#, Jie Xu, Wei Huang, Na Han*, Bolong Huang* and Yanguang Li* Near-Unity Electrochemical Conversion of Nitrate to Ammonia on Crystalline Nickel Porphyrin-Based Covalent Organic Frameworks. Energy Environ. Sci. in press
Dan Wang, Jianing Gui, Binbin Pan, Mengxuan Li, Yun Kuang, Chenchen Zhang, Junjun Mao, Yang Lou, Chengsi Pan, Fengwang Li, Yanguang Li, Yuhang Wang*, Yongfa Zhu* and Ying Zhang* Multi-Microenvironment Synergistically Promoting CO2 Electroreduction Activity on Porous Cu Nanosheets. Appl. Catal. B: Environ. 2023, 322, 122119.
Zhangyan Mu#, Na Han#, Dan Xu, Bailin Tian, Fengyuan Wang, Yiqi Wang, Yamei Sun, Cheng Liu, Panke Zhang, Xuejun Wu, Yanguang Li* and Mengning Ding* Critical Role of Hydrogen Sorption Kinetics in Electrocatalytic CO2 Reduction Revealed by On-Chip In-Situ Transport Investigations. Nat. Commun. 2022, 13, 6911.
Binbin Pan, Jia Fan, Jie Zhang, Yuqing Luo, Cong Shen, Chaoqiang Wang, Yuhang Wang* and Yanguang Li* Close to 90% Single-Pass Conversion Efficiency for CO2 Electroreduction in an Acid-Fed Membrane Electrode Assembly. ACS Energy Lett.2022, 7, 4224−4231.
Hualin Ye and Yanguang Li* A Perspective on Sulfur-Equivalent Cathode Materials for Lithium-Sulfur Batteries Using Carbonate Electrolytes. Energy Lab in press (invited perspective)
Jie Zhang#, Xinnan Mao#, Binbin Pan#, Jie Xu, Xue Ding, Na Han, Lu Wang*, Yuhang Wang* and Yanguang Li* Surface Promotion of Copper Nanoparticles with Alumina Clusters Derived from Layered Double Hydroxide Accelerates CO2 Reduction to Ethylene in Membrane Electrode Assemblies. Nano Res. in press
Jie Xu#, Heng Xu#, Anqi Dong#, Hao Zhang*, Yitong Zhou, Hao Dong, Bo Tang, Yifei Liu, Lexi Zhang, Xijun Liu, Jun Luo, Lijian Bie, Sheng Dai*, Yuhang Wang*, Xuhui Sun and Yanguang Li* Strong Electronic Metal-Support Interaction Between Iridium Single Atoms and WO3 Support Promotes Highly Efficient and Robust CO2 Cycloaddition. Adv. Mater. 2022 in press
Wei Huang#, Yongpan Hu#, Zhengyuan Qin, Yujin Ji, Xuan Zhao, Yunling Wu, Qing He, Youyong Li, Chunfeng Zhang, Jun Lu* and Yanguang Li* Highly Crystalline and Water-Wettable Benzobisthiazole-Based Covalent Organic Frameworks for Enhanced Photocatalytic Hydrogen Production. Natl. Sci. Rev. 2022, in press
Jie Zhang, Binbin Pan and Yanguang Li* Modulating Electrochemical CO2 Reduction at Interfaces. Sci. Bull. 2022, 67, 1844-1848.
Hualin Ye and Yanguang Li* Towards Practical Lean-Electrolyte Li-S Batteries: Highly Solvating Electrolytes or Sparingly Solvating Electrolytes? Nano Res. Energy 2022, 1, e9120012 (invited perspective)
Xuan Zhao#, Qi Yin#, Xinnan Mao#, Chen Cheng, Liang Zhang, Lu Wang*, Tian-Fu Liu*, Youyong Li and Yanguang Li* Theory-Guided Design of Hydrogen-Bonded Cobaltoporphyrin Frameworks for Highly Selective Electrochemical H2O2 Production in Acid. Nat. Commun. 2022, 13, 2721.
Jie Xu#, Gonglei Shao#, Xuan Tang#, Fang Lv, Haiyan Xiang, Changfei Jing, Song Liu*, Sheng Dai*, Yanguang Li*, Jun Luo* and Zhen Zhou Frenkel-Defected Monolayer MoS2 Catalysts for Efficient Hydrogen Evolution. Nat. Commun. 2022, 13, 2193.
Binbin Pan, Yuhang Wang* and Yanguang Li* Understanding and Leveraging the Effect of Cations in the Electrical Double Layer for Electrochemical CO2 Reduction. Chem Catal. 2022, 2, 1267-1276. (invited perspective)
Hongtai Li, Yanguang Li*and Liang Zhang* Designing Principles of Advanced Sulfur Cathodes towards Practical Lithium-Sulfur Batteries. SusMat 2022, 2, 34-64. (invited review, featured in the front cover)
Qiliang Huang#, Yunling Wu#, Xinnan Mao, Xuan Zhao, Mochun Zhang, Sijia Di, Jialing Wu, Wei Huang, Lu Wang and Yanguang Li* Dimensionally Stable Polyimide Frameworks Enabling Long-Life Electrochemical Alkali-Ion Storage. ACS Appl. Mater. Interfaces 2022, 14, 826-833.
Pan Zeng, Cheng Yuan, Genlin Liu, Jiechang Gao, Yanguang Li* and Liang Zhang* Recent Progress in Electronic Modulation of Electrocatalysts for High-Efficient Polysulfide Conversion of Li-S Batteries. Chin. J. Catal. in press (invited review)
Mochun Zhang, Wei Huang, Qiliang Huang, Xiaohan Yu, Jialing Wu, Sijia Di, Hualin Ye*, Yunlin Wu* and Yanguang Li* Poly(benzobisthiazole-dione) Frameworks for Highly Reversible Sodium and Potassium Ion Storage. Energy Fuels 2021, 35, 20367-20373.
Hualin Ye and Yanguang Li*, Room-Temperature Metal-Sulfur Batteries: What Can We Learn From Lithium Sulfur? Infomat 2022, 4, e12291 (invited review)
Feipeng Zhao#, Shumin Zhang#, Yanguang Li* and Xueliang Sun*, Emerging Characterization Techniques to Understand Electrode Interfaces in All-Solid-State Lithium Batteries. Small Struct. 2021, 3, 2100146. (invited review)
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