Wiley
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Towards High Conductivity in Anion‐Exchange Membranes for Alkaline Fuel Cells
Wiley - Tập 6 Số 8 - Trang 1376-1383 - 2013
AbstractQuaternized poly(2,6‐dimethylphenylene oxide) materials (PPOs)
containing clicked 1,2,3‐triazoles were first prepared through CuI‐catalyzed
“click chemistry” to improve the anion transport in anion‐exchange membranes
(AEMs). Clicked 1,2,3‐triazoles incorporated into AEMs provided more sites to
form efficient and continuous hydrogen‐bond networks between the water/hydroxide
and the triazole...
Hydrolysis of Ammonia Borane as a Hydrogen Source: Fundamental Issues and Potential Solutions Towards Implementation
Wiley - Tập 4 Số 12 - Trang 1731-1739 - 2011
AbstractIn today’s era of energy crisis and global warming, hydrogen has been
projected as a sustainable alternative to depleting CO2‐emitting fossil fuels.
However, its deployment as an energy source is impeded by many issues, one of
the most important being storage. Chemical hydrogen storage materials, in
particular BN compounds such as ammonia borane, with a potential storage
capacity of 19.6 ...
High‐Performance Supported Iridium Oxohydroxide Water Oxidation Electrocatalysts
Wiley - Tập 10 Số 9 - Trang 1943-1957 - 2017
AbstractThe synthesis of a highly active and yet stable electrocatalyst for the
anodic oxygen evolution reaction (OER) remains a major challenge for acidic
water splitting on an industrial scale. To address this challenge, we obtained
an outstanding high‐performance OER catalyst by loading Ir on conductive
antimony‐doped tin oxide (ATO)‐nanoparticles by a microwave (MW)‐assisted
hydrothermal route...
Rational Design of Sulfur‐Doped Copper Catalysts for the Selective Electroreduction of Carbon Dioxide to Formate
Wiley - Tập 11 Số 1 - Trang 320-326 - 2018
AbstractThe selective electroreduction of CO2 to formate (or formic acid) is of
great interest in the field of renewable‐energy utilization. In this work, we
designed a sulfur‐doped Cu2O‐derived Cu catalyst and showed that the presence of
sulfur can tune the selectivity of Cu significantly from the production of
various CO2 reduction products to almost exclusively formate. Sulfur is doped
into the...
Theoretical Insight into the Trends that Guide the Electrochemical Reduction of Carbon Dioxide to Formic Acid
Wiley - Tập 9 Số 4 - Trang 358-363 - 2016
AbstractThe electrochemical reduction (electroreduction) of CO2 to formic acid
(HCOOH) and its competing reactions, that is, the electroreduction of CO2 to CO
and the hydrogen evolution reaction (HER), on twenty‐seven different metal
surfaces have been investigated using density functional theory (DFT)
calculations. Owing to a strong linear correlation between the free energies of
COOH* and H*, it...
Fe/W Co‐Doped BiVO4 Photoanodes with a Metal–Organic Framework Cocatalyst for Improved Photoelectrochemical Stability and Activity
Wiley - Tập 9 Số 19 - Trang 2824-2831 - 2016
AbstractBiVO4 has been identified as one of the excellent visible light
responsive photoanodes for use in photoelectrochemical (PEC) water splitting.
However, pristine BiVO4 usually exhibits relative low photocatalytic properties
owing to insufficient charge separation and transport characteristics. Although
the marginal n‐type doping of higher valence ions can obviously raise the
photocurrent val...
Enhanced H2 Separation through Mixed Proton–Electron Conducting Membranes Based on La5.5W0.8M0.2O11.25−δ
Wiley - Tập 6 Số 8 - Trang 1523-1532 - 2013
AbstractLa5.5WO11.25−δ is a proton‐conducting oxide that shows high protonic
conductivity, sufficient electronic conductivity, and stability in moist CO2
environments. However, the H2 flows achieved to date when using La5.5WO11.25−δ
membranes are still below the threshold for practical application in industrial
processes. With the aim of improving the H2 flow obtained with this material,
La5.5WO11...
Synthesis of Potassium‐Modified Graphitic Carbon Nitride with High Photocatalytic Activity for Hydrogen Evolution
Wiley - Tập 7 Số 9 - Trang 2654-2658 - 2014
AbstractPotassium‐modified graphitic carbon nitride (K‐g‐C3N4) nanosheets are
synthesized by a facile KCl‐template method that holds the advantage of easy
removal of residual template. A combination of XRD, X‐ray photoelectron
spectroscopy, and inductively coupled plasma analyses are utilized to
characterize the obtained resultant K‐g‐C3N4 architectures, which are composed
of nanosheets of variabl...
WS2/Graphitic Carbon Nitride Heterojunction Nanosheets Decorated with CdS Quantum Dots for Photocatalytic Hydrogen Production
Wiley - Tập 11 Số 7 - Trang 1187-1197 - 2018
AbstractTwo‐dimensional/two‐dimensional (2D/2D) stacking heterostructures are
highly desirable in fabricating efficient photocatalysts because face‐to‐face
contact can provide a maximized interfacial region between the two
semiconductors; this largely facilitates the migration of charge carriers.
Herein, a WS2/graphitic carbon nitride (CN) 2D/2D nanosheet heterostructure
decorated with CdS quantum...
Microbial Fuel Cells for Robotics: Energy Autonomy through Artificial Symbiosis
Wiley - Tập 5 Số 6 - Trang 1020-1026 - 2012
AbstractThe development of the microbial fuel cell (MFC) technology has seen an
enormous growth over the last hundred years since its inception by Potter in
1911. The technology has reached a level of maturity that it is now considered
to be a field in its own right with a growing scientific community. The highest
level of activity has been recorded over the last decade and it is perhaps
considere...
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