Sustainability,
Год журнала:
2024,
Номер
16(21), С. 9555 - 9555
Опубликована: Ноя. 2, 2024
For
decades,
fossil
fuels
have
been
the
backbone
of
reliable
energy
systems,
offering
unmatched
density
and
flexibility.
However,
as
world
shifts
toward
renewable
energy,
overcoming
limitations
intermittent
power
sources
requires
a
bold
reimagining
storage
integration.
Power-to-X
(PtX)
technologies,
which
convert
excess
electricity
into
storable
carriers,
offer
promising
solution
for
long-term
sector
coupling.
Recent
advancements
in
machine
learning
(ML)
revolutionized
PtX
systems
by
enhancing
efficiency,
scalability,
sustainability.
This
review
provides
detailed
analysis
how
ML
techniques,
such
deep
reinforcement
learning,
data-driven
optimization,
predictive
diagnostics,
are
driving
innovation
Power-to-Gas
(PtG),
Power-to-Liquid
(PtL),
Power-to-Heat
(PtH)
systems.
example,
has
improved
real-time
decision-making
PtG
reducing
operational
costs
improving
grid
stability.
Additionally,
diagnostics
powered
increased
system
reliability
identifying
early
failures
critical
components
proton
exchange
membrane
fuel
cells
(PEMFCs).
Despite
these
advancements,
challenges
data
quality,
processing,
scalability
remain,
presenting
future
research
opportunities.
These
to
decarbonizing
hard-to-electrify
sectors,
heavy
industry,
transportation,
aviation,
aligning
with
global
sustainability
goals.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 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.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(33), С. 15493 - 15502
Опубликована: Авг. 8, 2024
Fe
has
been
reported
to
play
a
crucial
role
in
improving
the
catalytic
activity
and
stability
of
Ni/Co-based
electrocatalysts
for
oxygen
evolution
reaction
(OER),
while
effect
remains
intangible.
Here,
we
design
several
experiments
identify
improvement
using
porous
anodized
nickel
foam
(ANF)
as
electrode
1.0
M
KOH
containing
1000
μM
Fe(III)
ions
electrolyte.
Systematic
investigations
reveal
that
Ni
sites
serve
hosts
capture
create
active
FeNi-based
intermediates
on
surface
ANF
improve
OER
significantly,
regulate
equilibrium
maintain
long
time.
The
system
exhibits
242
343
mV
overpotentials
reach
10
mA
cm
Catalysts,
Год журнала:
2025,
Номер
15(1), С. 89 - 89
Опубликована: Янв. 18, 2025
Fe2B
is
a
potentially
promising
electrocatalyst
for
the
oxygen
evolution
reaction
(OER)
due
to
its
excellent
electronic
conductivity,
which
superior
that
of
traditional
oxide
catalysts.
However,
activity
still
not
satisfactory.
In
this
study,
meta-stable
microstructure
stacking
faults
(SFs)
were
incorporated
into
through
one-step
high-pressure
and
high-temperature
(HPHT)
method.
Pressure
suppressed
atomic
diffusion
but
formed
SFs
when
grain
grew.
with
exhibited
remarkable
OER
activity,
low
overpotential
values
only
269
344
mV
required
reach
current
densities
10
100
mA
cm−2,
respectively;
because
presence
SFs,
was
reduced
67.7%
without
at
cm−2.
Theoretical
experimental
investigations
confirmed
these
regulate
d-band
center
toward
Fermi
level,
optimizing
catalytic
site
activity.
Furthermore,
charge
transfer
between
Fe
atoms
boron
(B)
atoms,
increasing
number
free
electrons
in
structure
thereby
conductivity.
Finally,
study
suggests
strategy
construct
microstructures
crystals,
providing
new
insights
designing
catalysts
via
engineering.
The
production
of
storable
hydrogen
fuel
through
water
splitting,
powered
by
renewable
energy
sources
such
as
solar
photovoltaics,
wind
turbines,
and
hydropower
systems,
represents
a
promising
path
toward
achieving
sustainable
solutions.
Transition-metal
phosphides
(TMPs)
have
excellent
physicochemical
properties,
making
them
the
most
electrocatalysts
for
evolution
reaction
(HER).
Traditionally,
good
crystallinity
in
these
TMPs
typically
requires
prolonged
(≥
2
h)
high-temperature
pyrolysis,
which
is
time-consuming
generally
yields
samples
with
large
particle
sizes,
adversely
affecting
catalytic
activities.
Herein,
first
time,
we
present
groundbreaking
discovery
synthesis
grain-boundary-rich
RuP2
nanoparticles
within
very
short
time
frame
nine
seconds,
using
fast
Joule
heating
strategy
(RuP2
JH).
Subsequent
electrochemical
tests
reveal
that
as-synthesized
JH
not
only
exhibits
platinum-like
HER
activity,
overpotentials
22
mV,
mV
270
to
reach
current
density
10
mA
cm-2
0.5
M
H2SO4,
1.0
KOH,
0.1
phosphate
buffered
solutions,
respectively,
but
also
exceptional
long-term
stability.
Moreover,
it
Faradaic
efficiency
exceeding
96%.
This
work
significantly
contributes
expanding
repertoire
synthesized
via
showcasing
performance
other
energy-related
applications.
