ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(20), P. 23798 - 23805
Published: Oct. 10, 2024
Photocatalytic
splitting
of
water
for
hydrogen
production
has
great
developing
potentiality.
However,
owing
to
the
high
recombination
photogenerated
electron–hole
pairs,
low
photocatalytic
activity
limits
its
application.
Metal
single
atom
loading
is
an
effective
method
enhance
activity,
but
further
clarification
micromechanism
needed
and
important.
In
this
work,
S-scheme
Cu3P/TiO2
photocatalyst
loaded
with
(InSA)
was
prepared
by
photodeposition
method.
Irradiated
a
300
W
Xe
lamp,
H2
rate
Cu3P/InSA-TiO2
reaches
8.50
mmol
g–1
h–1,
which
10.6
times
that
TiO2
1.4
(methanol
as
scavenger).
Further
analysis
calculations
density
functional
theory
suggest
InSA
replace
surface
Ti
atoms
TiO2.
The
remarkable
ascribed
fact
heterojunction
greatly
facilitates
separation
carriers,
while
introduction
provides
channel
charge
transport
at
interface,
enhances
mobility
reduces
photocarriers,
thus
enhancing
evolution
property.
This
work
increase
well
deepens
understanding
activity-enhancing
mechanism
metal
atom.
Nano Letters,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 13, 2024
Electrochemical
acidic
oxygen
evolution
reaction
(OER)
is
an
important
part
for
water
electrolysis
utilizing
a
proton
exchange
membrane
(PEM)
apparatus
industrial
H
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 30, 2024
Abstract
The
construction
of
efficient
and
durable
multifunctional
electrodes
for
industrial‐scale
hydrogen
production
presents
a
main
challenge.
Herein,
molybdenum‐modulated
phosphorus‐based
catalytic
(Mo‐NiP@NF)
are
prepared
via
mild
electroless
plating.
Heteroatoms
doping
or
heterostructures
can
reconfigure
the
intrinsic
electronic
structure
pre‐catalyst
optimizes
key
intermediates
adsorption.
Moreover,
(hypo/meta‐)phosphite
anions
(PO
x
δ−
)
molybdate
ions
(MoO
on
electrode
surface
Mo‐NiP@NF
afford
resistance
to
chloride
(Cl
−
corrosion.
exhibits
ultralow
overpotentials
278/550
282/590
mV
at
1
A
cm
−2
during
hydrogen/oxygen
evolution
reaction
(HER/OER)
in
alkaline
simulated
real
seawater,
respectively,
whereas
overall
seawater
splitting
(OWS)
reach
1.96
1.97
V
cell
.
Remarkably,
maintains
stable
operation
1500
h
OWS.
scalability
allowing
assembly
proton
exchange
membrane
(PEM)
electrolyzer
powered
by
photovoltaic
energy,
simulating
portable
hydrogen‐oxygen
respirator
provides
an
oxygen/hydrogen
flows
160/320
mL
min
−1
Expanding
further,
trace
ruthenium‐loaded
catalyst
sodium
borohydride
(NaBH
4
hydrolysis
achieving
generation
rate
(HGR)
11049.2
g
This
work
strategic
innovations
optimization
solutions
economical
multi‐scenario
green
energy
conversion
materials
application.
ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
6(9), P. 3970 - 3976
Published: July 29, 2024
Developing
efficient
and
stable
electrocatalysts
for
the
hydrogen
evolution
reaction
(HER)
is
crucial
to
achieve
effective
electrolytic
production
from
seawater.
Hydrogen
spillover
enhances
catalytic
performance
by
facilitating
migration
of
species
between
different
sites,
improving
efficiency
kinetics
in
HER.
Herein,
we
report
hydrothermal-phosphatization-immersion
synthesis
Pd-decorated
CoP
nanoneedle
arrays
on
nickel
foam
(Pd@CoP/NF)
as
a
highly
active
HER
electrocatalyst
toward
alkaline
seawater
reduction.
In
situ
electrochemical
impedance
spectroscopy
kinetic
isotope
effects
reveal
Pd@CoP/NF's
extensive
adsorption
enhanced
transfer
rates.
seawater,
such
Pd@CoP/NF
exhibits
outstanding
with
low
overpotential
249
mV
at
current
density
1000
mA
cm–2
long-term
stability
500
h.
Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 12, 2024
MXene,
a
family
of
2D
transition
metal
carbides
and
nitrides,
presents
promising
applications
in
electrocatalysis.
Maximizing
its
large
surface
area
is
key
to
developing
efficient
non-noble-metal
catalysts
for
the
hydrogen
evolution
reaction
(HER).
In
this
study,
oxygen-functionalized
Ti
