Turing-type nanochannel membranes with extrinsic ion transport pathways for high-efficiency osmotic energy harvesting

Kehan Zou, Haoyang Ling, Qingchen Wang, Congcong Zhu, Zhehua Zhang, Dehua Huang, Ke Li, Yuge Wu, Weiwen Xin, Xiang-Yu Kong, Lei Jiang, Liping Wen · 2024

Read Turing-type nanochannel membranes with extrinsic ion transport pathways for high-efficiency osmotic energy harvesting by Kehan Zou, Haoyang Ling, Qingchen Wang, Congcong Zhu, Zhehua Zhang, Dehua Huang, Ke Li, Yuge Wu, Weiwen Xin, Xiang-Yu Kong, Lei Jiang, Liping Wen (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11599864.txt.

Description

Kehan Zou and co-authors carve extra channels into membranes that harvest energy from mixing salt and fresh water. Their 2024 study builds on two-dimensional nanochannel membranes, whose thin internal paths select positive ions but pass them too slowly. Low permeability has capped the power such osmotic generators can deliver.

Their trick is sacrificial: copper hydroxide nanowires are laid between the layers, then removed to leave interlaced extrinsic channels in a Turing-style pattern. Ionic current rose by about a quarter while selectivity stayed high. Power density climbed by half and held steady for at least five days of running. In real seawater and salt-lake brine the output rose further. The authors present channel architecture, not new chemistry, as the lever for better blue energy.

Catalog record

CREATORKehan Zou, Haoyang Ling, Qingchen Wang, Congcong Zhu, Zhehua Zhang, Dehua Huang, Ke Li, Yuge Wu, Weiwen Xin, Xiang-Yu Kong, Lei Jiang, Liping Wen
YEAR2024
COLLECTIONPAPERS
FORMATTXT
FILE SIZE38 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC11599864

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