Progress of 3D Graphene-Based Electrocatalytic Oxygen Evolution Reaction Catalysts
Langmuir,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 22, 2025
Electrocatalytic
water
splitting
is
a
clean
and
feasible
method
for
hydrogen
production,
expected
to
become
key
technology
meeting
energy
demands.
Transition
metal-based
nanoparticles,
including
single-atom
catalysts
their
compounds,
are
widely
used
in
electrocatalytic
splitting,
but
they
often
suffer
from
issues
like
easy
agglomeration
poor
conductivity.
The
integration
of
these
nanoparticles
with
three-dimensional
(3D)
graphene
enhances
conductivity
prevents
agglomeration,
while
improving
the
adsorption
desorption
rates
reactants
intermediates
on
catalyst
surface
during
thereby
boosting
efficiency.
This
paper
reviews
preparation
methods
graphene-based
supported
electrocatalysts
applications
oxygen
evolution
reactions
(OERs),
further
discussing
mechanism
by
which
3D
improves
OER
performance.
Язык: Английский
Discover the Evolution: A Comprehensive Review of Transition and Rare Earth Metals for Oxygen Reduction Reaction, from Mono to High‐Entropy Catalysts
The Chemical Record,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 10, 2025
Abstract
Green
energy,
including
metal‐air
batteries
and
fuel
cells,
is
the
key
solution
to
climate
change.
The
efficiency
of
these
energy
technologies
depends
on
oxygen
reduction
reaction
(ORR)
at
cathode,
which
a
slow
process
requiring
expensive
noble
metal
catalysts,
like
platinum,
for
improvement.
high
cost
this
catalyst
restricts
its
widespread
use
in
producing
cells.
An
alternative
approach
utilize
non‐noble
metals,
such
as
transition
rare
earth
are
more
cost‐effective
demonstrate
comparable
durability
effectiveness
metals.
With
their
affordability
distinct
electronic
structure,
metals
have
potential
revolutionize
industry.
Transition
can
enhance
ORR
catalysts
by
manipulating
surface
molecular
makeup
through
′doping′
′synergistic
effects′.
This
article
discusses
roles
various
process,
covering
fundamental
advanced
levels,
well
progression
from
mono
high‐entropy
systems
(systems
with
increasing
complexity
improved
performance),
bi‐,
tri‐,
tetra‐metallic
comprehensive
manner,
emphasizes
opportunities
researchers
propose
innovative
strategies
optimizing
process.
Язык: Английский
Effect of thermal treatments on forming-free resistive switching behaviors of sol-gel-derived Nd2Zr2O7 thin films in metal/insulator/metal structures
Materials Science in Semiconductor Processing,
Год журнала:
2025,
Номер
194, С. 109591 - 109591
Опубликована: Апрель 19, 2025
Язык: Английский
Research advances in utilization of CO<sub>2</sub> resources for oxygen production in Space Station and Mars environments
Clean Energy Science and Technology,
Год журнала:
2025,
Номер
3(2), С. 310 - 310
Опубликована: Апрель 29, 2025
The
establishment
of
stable
cycling
CO2
and
O2
is
essential
for
Environmental
Control
Life
Support
Systems
(ECLSS)
in
extraterrestrial
environments,
particularly
long-duration
missions
aboard
Space
Stations
future
Martian
bases.
development
CO2-to-O2
technologies
demonstrating
superior
oxygen
recovery
rates,
enhanced
conversion
efficiency,
optimized
energy
efficiency
critical
achieving
closed-loop
material
regeneration.
This
review
systematically
examines
technological
status
conversion,
categorizing
emerging
approaches
into
two
frameworks:
“two-step
generation”
“one-step
generation”.
Two-step
generation
includes
thermal
catalytic
hydrogenation
reduction
electrolysis
water
production,
which
are
primarily
utilized
Station;
one-step
encompasses
electrocatalytic
plasma
predominantly
employed
environments.
Through
comparative
analysis
underlying
principles
operational
characteristics,
we
identify
three
challenges
impeding
maturation:
(1)
deactivation
materials,
the
formation
carbon
deposits,
inadequacy
mechanisms;
(2)
description
transformation
process
unclear,
making
it
challenging
to
regulate
conversion.
Additionally,
suppressing
side
reactions
proves
be
difficult;
(3)
degree
recycling
a
single
substance
relatively
low.
effective,
efficient,
stable,
reliable
technology
will
provide
solid
foundation
reducing
launch
costs
ensuring
sustainable
human
habitation
Язык: Английский