All‐Day Multicyclic Atmospheric Water Harvesting Enabled by Polyelectrolyte Hydrogel with Hybrid Desorption Mode
National University of Singapore · Shanghai Jiao Tong University · +1 more institution
Abstract
Abstract Sorption‐based atmospheric water harvesting (AWH) is a promising approach for mitigating worldwide water scarcity. However, reliable water supply driven by sustainable energy regardless of diurnal variation and weather remains a long‐standing challenge. To address this issue, a polyelectrolyte hydrogel sorbent with an optimal hybrid‐desorption multicyclic‐operation strategy is proposed, achieving all‐day AWH and a significant increase in daily water production. The polyelectrolyte hydrogel possesses a large interior osmotic pressure of 659 atm, which refreshes sorption sites by continuously migrating the sorbed water within its interior, and thus enhancing sorption kinetics. The charged polymeric…
Citation impact
- FWCI
- 11.47
- Percentile
- 100%
- References
- 73
Authors
8- SHShan He
National University of Singapore, Shanghai Jiao Tong University, Institute of Refrigeration
- PPPrimož Poredoš
Shanghai Jiao Tong University, Institute of Refrigeration
- ZYZhanyu Ye
Shanghai Jiao Tong University, Institute of Refrigeration
- HQHao Qu
National University of Singapore
- YZYaoxin Zhang
Shanghai Jiao Tong University
Topics & keywords
- Desorption
- Sorbent
- Polyelectrolyte
- Sorption
- Materials science
- Chemical engineering
- Environmental science
- Adsorption