Materials,
Journal Year:
2024,
Volume and Issue:
17(7), P. 1637 - 1637
Published: April 3, 2024
Water
splitting
is
an
important
way
to
obtain
hydrogen
applied
in
clean
energy,
which
mainly
consists
of
two
half-reactions:
evolution
reaction
(HER)
and
oxygen
(OER).
However,
the
kinetics
OER
water
splitting,
occurs
at
anode,
slow
inefficient,
especially
acid.
Currently,
main
catalysts
are
still
based
on
noble
metals,
such
as
Ir
Ru,
active
components.
Hence,
exploration
new
with
low
cost,
high
activity,
stability
has
become
a
key
issue
research
electrolytic
production
technology.
In
this
paper,
mechanism
acid
was
discussed
summarized,
methods
improve
activity
non-noble
metal
were
summarized
categorized.
Finally,
future
prospects
made
provide
little
reference
idea
for
development
advanced
future.
Nano-Micro Letters,
Journal Year:
2023,
Volume and Issue:
15(1)
Published: Oct. 13, 2023
Abstract
Efficient
electrocatalysts
are
crucial
for
hydrogen
generation
from
electrolyzing
water.
Nevertheless,
the
conventional
"trial
and
error"
method
producing
advanced
is
not
only
cost-ineffective
but
also
time-consuming
labor-intensive.
Fortunately,
advancement
of
machine
learning
brings
new
opportunities
discovery
design.
By
analyzing
experimental
theoretical
data,
can
effectively
predict
their
evolution
reaction
(HER)
performance.
This
review
summarizes
recent
developments
in
low-dimensional
electrocatalysts,
including
zero-dimension
nanoparticles
nanoclusters,
one-dimensional
nanotubes
nanowires,
two-dimensional
nanosheets,
as
well
other
electrocatalysts.
In
particular,
effects
descriptors
algorithms
on
screening
investigating
HER
performance
highlighted.
Finally,
future
directions
perspectives
electrocatalysis
discussed,
emphasizing
potential
to
accelerate
electrocatalyst
discovery,
optimize
performance,
provide
insights
into
electrocatalytic
mechanisms.
Overall,
this
work
offers
an
in-depth
understanding
current
state
its
research.
Small,
Journal Year:
2023,
Volume and Issue:
19(20)
Published: Feb. 17, 2023
Abstract
Design
and
preparation
of
an
efficient
nonprecious
cocatalysts,
with
structural
features
functionality
necessary
for
improving
photocatalytic
performance
semiconductors,
remain
a
formidable
challenge
until
now.
Herein,
the
first
time,
novel
CoP
cocatalyst
single‐atom
phosphorus
vacancies
defects
(CoP‐V
p
)
is
synthesized
coupled
Cd
0.5
Zn
S
to
build
CoP‐V
@Cd
@CZS)
heterojunctions
photocatalysts
via
liquid
phase
corrosion
method
following
by
in
suit
growth
process.
The
nanohybrids
deliver
attractive
hydrogen
production
activity
2.05
mmol
h
−1
30
mg
under
visible‐light
irradiation,
which
14.66
times
higher
than
that
pristine
ZCS
samples.
As
expected,
further
enhances
charge‐separation
efficiency
ZCS,
addition
improvement
electron
transfer
efficiency,
confirmed
ultrafast
spectroscopies.
Mechanism
studies
based
on
density
functional
theory
calculations
verify
Co
atoms
adjacent
V
play
key
role
translation,
rotation,
transformation
electrons
H
2
O
reduction.
This
scalable
strategy
focusing
defect
engineering
provides
new
insight
into
designing
highly
active
cocatalysts
boost
application.
Catalysts,
Journal Year:
2023,
Volume and Issue:
13(12), P. 1497 - 1497
Published: Dec. 7, 2023
Hydrogen
has
emerged
as
an
important
candidate
for
clean
energy,
owing
to
its
environmentally
friendly
advantages.
Electrolytic
hydrogen
production
stands
out
the
most
promising
technology
production.
Therefore,
design
of
highly
efficient
electrocatalysts
is
significant
drive
application
technologies.
Platinum
(Pt)-based
catalysts
are
famous
their
outstanding
performance
in
evolution
reaction
(HER).
However,
expensive
cost
limits
wide
application.
Ruthenium
(Ru)-based
have
received
extensive
attention
due
relatively
lower
and
HER
similar
that
Pt.
Nevertheless,
Ru-based
still
unable
meet
industrial
demands.
improving
through
modification
remains
significant.
In
this
review,
mechanism
analyzed
latest
research
progress
summarized.
From
perspective,
addressing
adsorption
intermediates
on
electrocatalyst
surface,
adsorption–activation
interface
water
molecules,
behavior
molecules
proposing
solutions
enhance
main
findings,
ultimately
contributing
promoting
field
electrocatalysis.