Optimizing membranes for osmotic power generation

CW Chu, AR Fauziah, LH Yeh - Angewandte Chemie, 2023 - Wiley Online Library
The design of ion‐selective membranes is the key towards efficient reverse electrodialysis‐
based osmotic power conversion. The tradeoff between ion selectivity (output voltage) and …

Fundamental studies and practical applications of bio-inspired smart solid-state nanopores and nanochannels

H Zhang, Y Tian, L Jiang - Nano today, 2016 - Elsevier
Biological ion channels intelligently controlling ions across cell membranes serve as a big
source of bio-inspiration for the scientists to build bio-inspired smart solid-state nanopores …

Zwitterionic gradient double‐network hydrogel membranes with superior biofouling resistance for sustainable osmotic energy harvesting

KT Huang, WH Hung, YC Su, FC Tang… - Advanced Functional …, 2023 - Wiley Online Library
Developing ion‐selective membranes with anti‐biofouling property and biocompatibility is
highly crucial in harvesting osmotic energy in natural environments and for future biomimetic …

Rectification of concentration polarization in mesopores leads to high conductance ionic diodes and high performance osmotic power

CY Lin, C Combs, YS Su, LH Yeh… - Journal of the American …, 2019 - ACS Publications
Nanopores exhibit a set of interesting transport properties that stem from interactions of the
passing ions and molecules with the pore walls. Nanopores are used, for example, as ionic …

Boost ionic selectivity by coating bullet-shaped nanochannels with dense polyelectrolyte brushes

M Karimzadeh, M Khatibi, SN Ashrafizadeh - Physics of Fluids, 2022 - pubs.aip.org
The influence of channel geometry on the ionic selectivity and ionic current rectification of
soft nanochannels was numerically investigated. The nanochannels coated with …

Space charge enhanced ion transport in heterogeneous polyelectrolyte/alumina nanochannel membranes for high-performance osmotic energy conversion

CW Chang, CW Chu, YS Su, LH Yeh - Journal of Materials Chemistry …, 2022 - pubs.rsc.org
Osmotic energy captured from a salinity gradient via an ion-selective membrane is regarded
as one of the renewable clean energy resources to meet the increasing global energy …

A pH gradient induced rectification inversion in asymmetric nanochannels leads to remarkably improved osmotic power

YS Su, WH Hung, AR Fauziah, ZS Siwy… - Chemical Engineering …, 2023 - Elsevier
Biological channel membranes regulate direction and degree of ion transport in response to
external stimuli, yet it is a challenge to develop artificial nanofluidics with such functions …

Impacts of the shape of soft nanochannels on their ion selectivity and current rectification

M Karimzadeh, Z Seifollahi, M Khatibi… - Electrochimica …, 2021 - Elsevier
The influence of channel geometry on the ion selectivity and ionic current rectification (ICR)
of soft nanochannels was numerically investigated. The nanochannels coated with …

Augmentation of the reverse electrodialysis power generation in soft nanochannels via tailoring the soft layer properties

M Khatibi, SN Ashrafizadeh, A Sadeghi - Electrochimica Acta, 2021 - Elsevier
Nanochannels covered with a polyelectrolyte layer (PEL) are recently shown to increase the
power generation by reverse electrodialysis (RED) considerably. In this investigation, we …

Unraveling the anomalous surface-charge-dependent osmotic power using a single funnel-shaped nanochannel

JP Hsu, TC Su, PH Peng, SC Hsu, MJ Zheng, LH Yeh - ACS nano, 2019 - ACS Publications
Nanofluidic osmotic power, which converts a difference in salinity between brine and fresh
water into electricity with nanoscale channels, has received more and more attention in …