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Sungsoon Kim†, Hong Choi†, Bokyeong Kim†, Geonwoo Lim, Taehoon Kim, Minwoo Lee, Hansol Ra, Jihun Yeom, Minjun Kim, Eohjin Kim, Jiyoung Hwang, Joo Sung Lee, and Wooyoung Shim* († equally contributed)
Extreme Ion Transport Inorganic 2D Membranes for Nanofluidic Applications
Adv. Mater., 35 (43), 2206354
Date: Sep 16, 2022

Inorganic 2D materials offer a new approach to controlling mass diffusion at the nanoscale. Controlling ion transport in nanofluidics is key to energy conversion, energy storage, water purification, and numerous other applications wherein persistent challenges for efficient separation must be addressed. The recent development of 2D membranes in the emerging field of energy harvesting, water desalination, and proton/Li-ion production in the context of green energy and environmental technology is herein discussed. The fundamental mechanisms, 2D membrane fabrication, and challenges toward practical applications are highlighted. Finally, the fundamental issues of thermodynamics and kinetics are outlined along with potential membrane designs that must be resolved to bridge the gap between lab-scale experiments and production levels.

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