Swelling‐Resistant Functionalized 1T′‐MoS <sub>2</sub> Membranes for Crossover‐Free Organic Electrosynthesis
Abstract
ABSTRACT Organic electrosynthesis offers a sustainable future for chemical manufacturing but is severely hindered by the instability of commercial polymer ion‐exchange membranes in organic electrolytes. The excessive swelling of flexible polymer networks, such as Nafion, often results in massive reactant crossover and diminished product yields. In this study, we report a swelling‐resistant membrane engineered from functionalized 1T′ phase molybdenum disulfide (MoS 2 ). By covalently grafting acetamide groups onto the electron‐rich 1T′‐MoS 2 , we create rigid nanochannels that physically exclude organic solvents while enabling efficient proton transport. This precise molecular sieving reduces organic permeability by an order of magnitude versus commercial Nafion 117, enabling near‐quantitative yields (>96%) in diverse organic electrosynthesis reactions. Bridging the gap between lab and industrial application, we demonstrate scalable fabrication of this material via slot‐die coating, with the resulting large‐area membranes delivering robust stability and high productivity in a scaled‐up electrolyzer stack. These findings establish functionalized 2D channels as a general platform for designing next‐generation ion‐conductive membranes capable of operating in aggressive organic media.
Article Details
Authors (9)
Qianqin Wang
New Cornerstone Science Laboratory, State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, and National & Local Joint Engineering Research Center of Preparation Technology of Nanomaterials, College of Chemistry and Chemical Engineering
Shangping Wang
School of Chemical Engineering Ocean and Life Sciences Dalian University of Technology Panjin P. R. China
Shengjun Liu
New Cornerstone Science Laboratory, State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, and National & Local Joint Engineering Research Center of Preparation Technology of Nanomaterials, College of Chemistry and Chemical Engineering
Qing Nan
New Cornerstone Science Laboratory State Key Laboratory for Physical Chemistry of Solid Surfaces and National & Local Joint Engineering Research Center of Preparation Technology of Nanomaterials College of Chemistry and Chemical Engineering College of Energy Xiamen University Xiamen P. R. China
Zixiao Zhao
New Cornerstone Science Laboratory, State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, and National & Local Joint Engineering Research Center of Preparation Technology of Nanomaterials, College of Chemistry and Chemical Engineering
Ruixuan Qin
State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering
Ning Zhang
Nanfeng Zheng
New Cornerstone Science Laboratory, State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, and National & Local Joint Engineering Research Center of Preparation Technology of Nanomaterials, College of Chemistry and Chemical Engineering
Chengyi Hu
Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM)