Catalysts,
Journal Year:
2024,
Volume and Issue:
14(12), P. 845 - 845
Published: Nov. 22, 2024
Green
hydrogen
(H2)
has
emerged
as
a
promising
energy
carrier
for
decarbonizing
the
industrial,
building,
and
transportation
sectors.
However,
current
green
H2
production
technologies
face
challenges
that
limit
cost
reduction
scaling
up.
Platinum-group
metals
(PGMs),
including
platinum
iridium,
present
exceptional
electrocatalytic
properties
water
splitting,
but
their
high
is
significant
barrier.
This
directly
impacts
overall
of
electrolyzers,
thus
increasing
costs.
The
work
covers
fundamentals
electrolysis,
currently
available
technologies,
focusing
on
proton-exchange
membrane
critical
role
electrocatalysts,
discussing
potential
strategies
reducing
PGM
content
and,
consequently,
decreasing
cost.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
Oxygen
electrocatalysis
is
a
core
reaction
in
renewable
energy
devices,
greatly
promoting
the
transformation
and
upgrading
of
structure.
Nonetheless,
performance
conversion
devices
hindered
by
large
overpotential
slow
kinetics
oxygen
electrocatalytic
reactions.
Recently,
single‐atom
catalysts
(SACs)
have
emerged
as
promising
contenders
field
because
their
exceptional
metal
atom
utilization,
distinctive
coordination
environment,
adjustable
electronic
properties.
This
review
presents
latest
advancements
design
Co‐based
SACs
for
electrocatalysis.
First,
OER
ORR
mechanisms
are
introduced.
Subsequently,
strategies
regulating
structure
summarized
three
aspects,
including
centers,
support
carriers.
A
particular
emphasis
given
to
relationship
between
properties
catalysts.
Afterward,
applications
explored.
Ultimately,
challenges
prospects
prospected.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(12)
Published: Dec. 12, 2023
Abstract
Heterogenous
electrocatalysis
continues
to
witness
propagating
interest
in
a
plethora
of
non‐limiting
electrochemical
fields.
Of
which,
water
electrolysis
has
moved
from
lab‐scale
systems
commercial
electrolyzers
albeit
high
dependence
on
historic
benchmark
noble‐metal
based
catalysts
is
still
the
status
quo.
Notwithstanding,
advances
material
groups
such
as
single‐atom
catalysts,
perovskites,
high‐entropy
alloys,
among
others
continue
see
an
increased
toward
utilization
next‐generation
electrolyzers.
To
that
end,
progress
electrocatalyst
discovery
techniques
revolutionized
through
synergistically
combining
density
functional
theory
(DFT)
and
machine
learning
(ML)
techniques.
The
success
ML
herein
depends
numerous
interlinked
factors
algorithm
employed,
data
availability
accuracy,
with
descriptors
being
critical
encapsulate
physicochemical
perspectives.
Historic
frameworks
areas
other
than
materials
left
lack
standardization
appropriating
suitable
methods
high‐throughput
DFT,
approaches,
feature
engineering
bridge
gap
between
activity‐structure‐electronic
relationships.
This
review
outlines
needed
considerations
DFT
calculations,
important
criteria
during
filtering
out
screened
surfaces,
synergistic
approaches
utilizing
theoretical
and/or
experimental
datasets
for
formulating
effective
frameworks.
Persisting
challenges,
perspectives,
recommendations
thereof
are
highlighted
expedite
generalize
future
work
pertaining
high‐volume
discovery.
Small,
Journal Year:
2023,
Volume and Issue:
20(20)
Published: Dec. 10, 2023
Due
to
the
shortage
of
pure
water
resources,
seawater
electrolysis
is
a
promising
strategy
produce
green
hydrogen
energy.
To
avoid
chlorine
oxidation
reactions
(ClOR)
and
production
more
corrosive
hypochlorite,
enhancing
OER
electrocatalyst
activity
key
solving
above
problem.
Considering
that
transition
metal
phosphides
(TMPs)
are
eletrocatalysts
for
splitting,
method
regulate
electronic
structure
FeP
by
introducing
Mn
heteroatoms
phosphorus
vacancy
on
it
(Mn-FeP
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(5), P. 5977 - 5988
Published: Jan. 24, 2024
Previous
bismuth-based
photocatalysts
usually
employ
a
strong
acid
solution
(e.g.,
HNO3
solution)
to
obtain
an
ultrathin
structure
toward
high
photocatalytic
activity.
In
this
work,
the
layered
BiOIO3
nanosheets
are
successfully
synthesized
using
just
glucose
hydrothermal
solution.
The
high-concentration
shows
obvious
acidity
after
process,
which
leads
quick
decrease
in
thickness
of
from
∼45.58
∼5.74
nm.
can
greatly
improve
charge
carriers'
separation
and
transfer
efficiency.
generation
reductive
iodide
ions
brings
about
oxygen
vacancies
nanosheets,
then
defect
energy
level
is
formed,
causing
decreased
band
gap
improving
visible
light
absorption.
Compared
thick
nanosheet
with
little
vacancies,
much
higher
carrier
efficiency
absorption
achieved
resulting
excellent
performance
(0.1980
min–1
for
RhB
degradation),
than
most
other
photocatalysts.
superoxide
radicals
(•O2–)
holes
(h+)
major
active
species
responsible
This
work
affords
environmentally
friendly
strategy
synthesize
superior
properties.
Catalysts,
Journal Year:
2024,
Volume and Issue:
14(12), P. 845 - 845
Published: Nov. 22, 2024
Green
hydrogen
(H2)
has
emerged
as
a
promising
energy
carrier
for
decarbonizing
the
industrial,
building,
and
transportation
sectors.
However,
current
green
H2
production
technologies
face
challenges
that
limit
cost
reduction
scaling
up.
Platinum-group
metals
(PGMs),
including
platinum
iridium,
present
exceptional
electrocatalytic
properties
water
splitting,
but
their
high
is
significant
barrier.
This
directly
impacts
overall
of
electrolyzers,
thus
increasing
costs.
The
work
covers
fundamentals
electrolysis,
currently
available
technologies,
focusing
on
proton-exchange
membrane
critical
role
electrocatalysts,
discussing
potential
strategies
reducing
PGM
content
and,
consequently,
decreasing
cost.
