Molecules,
Год журнала:
2024,
Номер
29(23), С. 5655 - 5655
Опубликована: Ноя. 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.
Advanced Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 24, 2024
Abstract
Electrochemical
alkaline
water
electrolysis
offers
significant
economic
advantages;
however,
these
benefits
are
hindered
by
the
high
kinetic
energy
barrier
of
dissociation
step
and
sluggish
kinetics
hydrogen
evolution
reaction
(HER)
in
media.
Herein,
ensemble
effect
binary
types
Rh
single
atoms
(Rh‐N
x
Rh‐O
)
on
TiO
2
‐embedded
carbon
nanofiber
(Rh‐TiO
/CNF)
is
reported,
which
serves
as
potent
active
sites
for
high‐performance
HER
anion
exchange
membrane
electrolyzer
(AEMWE).
Density
functional
theory
(DFT)
analyses
support
experimental
observations,
highlighting
critical
role
facilitated
sites.
The
Rh‐TiO
/CNF
demonstrates
an
impressive
areal
current
density
1
A
cm
−2
,
maintaining
extended
durability
up
to
225
h
a
single‐cell
setup.
Furthermore,
2‐cell
AEMWE
stack
utilizing
tested
under
industrial‐scale
conditions.
This
research
makes
contribution
commercialization
next‐generation
durable
stacks
clean
production.
Molecules,
Год журнала:
2024,
Номер
29(23), С. 5655 - 5655
Опубликована: Ноя. 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.
