Recent advances on support materials for enhanced Pt-based catalysts: applications in oxygen reduction reactions for electrochemical energy storage
Journal of Materials Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 15, 2025
Abstract
As
the
demand
for
sustainable
energy
solutions
grows,
developing
efficient
conversion
and
storage
technologies,
such
as
fuel
cells
metal-air
batteries,
is
vital.
Oxygen
Reduction
Reaction
(ORR)
a
significant
limitation
in
electrochemical
systems
due
to
its
slower
kinetics.
Although
Pt-based
catalysts
are
commonly
used
address
this
challenge,
their
high
cost
suboptimal
performance
remain
obstacles
further
development.
This
review
offers
comprehensive
overview
of
advanced
support
materials
aimed
at
improving
efficiency,
durability,
cost-effectiveness
catalysts.
By
examining
range
materials,
including
mesoporous
carbon,
graphene,
carbon
nanotubes,
metal
oxides,
clarifies
relationship
between
structural
properties
these
supports
influence
on
ORR
performance.
Additionally,
it
discusses
fundamental
characteristics
practical
applications
cells,
explores
potential
future
directions
optimizing
advance
technologies.
Future
research
could
focus
nano-engineering
composite
material
development
unlock
full
catalysts,
significantly
enhancing
economic
viability
applications.
Language: Английский
Iron Porphyrin-Based Composites for Electrocatalytic Oxygen Reduction Reactions
Molecules,
Journal Year:
2024,
Volume and Issue:
29(23), P. 5655 - 5655
Published: Nov. 29, 2024
The
oxygen
reduction
reaction
(ORR)
is
one
of
the
most
critical
reactions
in
energy
conversion
systems,
and
it
facilitates
efficient
chemical
into
electrical
energy,
which
necessary
for
modern
technology.
Developing
cost-effective
catalysts
ORRs
crucial
advancing
effectively
applying
renewable
technologies
such
as
fuel
cells,
metal–air
batteries,
electrochemical
sensors.
In
recent
years,
iron
porphyrin-based
composites
have
emerged
ideal
facilitating
effective
due
to
their
unique
structural
characteristics,
abundance,
advances
synthesis,
excellent
catalytic
properties,
mimic
natural
enzymatic
systems.
However,
many
articles
focused
on
reviewing
frameworks
or
metalloporphyrins
general,
necessitating
research
specifically
addressing
porphyrin.
This
review
discusses
porphyrin
an
catalyst
ORRs.
It
provides
a
comprehensive
knowledge
application
electrocatalytic
ORRs,
focusing
integration
with
conductive
supports,
mechanism,
efficacy.
also
challenges
recommendations
address
these
challenges.
Language: Английский