Industrial & Engineering Chemistry Research,
Journal Year:
2024,
Volume and Issue:
63(47), P. 20553 - 20562
Published: Nov. 13, 2024
In
recent
years,
Fe–N–C
materials
have
been
considered
as
feasible
substitutes
for
platinum-based
catalysts
to
enhance
the
oxygen
reduction
reaction
(ORR).
However,
still
specific
problems,
including
poor
inherent
activity,
restricted
availability
of
active
sites,
and
inferior
stability.
This
work
presents
a
simple
efficient
method
synthesizing
Fe/N
codoped
hierarchical
porous
carbon
nanosheets
using
one-step
pyrolysis.
The
optimized
900
catalyst
exhibits
excellent
ORR
performance
with
an
onset
potential
0.958
V
half-potentials
0.885
in
alkaline
medium,
surpassing
those
commercial
Pt/C
catalyst.
addition,
optimal
demonstrated
improved
stability
great
resistance
methanol.
Furthermore,
zinc-air
battery
constructed
from
shows
remarkable
power
density
163.65
mW
cm–2
capacity
807.80
mA
h
gZn–1.
electrochemical
cycle
were
proven
exceed
400
at
current
5
cm–2.
study
offers
valuable
insights
development
highly
stable
clean
energy
field.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
Abstract
Developing
efficient,
multifunctional
electrodes
for
energy
storage
and
conversion
devices
is
crucial.
Herein,
lattice
strains
are
reported
in
the
β‐phase
polymorph
of
CoMoO
4
within
@Co
3
O
heterostructure
via
phosphorus
doping
(P‐CoMoO
)
used
as
a
high‐performance
trifunctional
electrode
supercapacitors
(SCs),
hydrogen
evolution
reaction
(HER),
oxygen
(OER)
alkaline
electrolytes.
A
tensile
strain
+2.42%
on
P‐CoMoO
results
superior
electrochemical
performance
compared
to
.
The
optimized
achieves
high
density
118
Wh
kg
−1
an
asymmetric
supercapacitor
low
overpotentials
189
mV
HER
365
OER
at
current
500
mA
cm
−2
This
overall
water
splitting
voltage
1.71
V
same
making
it
effective
bifunctional
1
m
KOH
freshwater
electrolyte.
Theoretical
analysis
shows
that
excellent
can
be
attributed
interfacial
interactions
between
Co
,
which
lead
strong
OH
−
adsorption
barriers
intermediates.
Practical
application
demonstrated
by
using
‐based
ASCs
self‐generate
(H
2
||P‐CoMoO
seawater
electrolyzer,
showcasing
its
potential
future
technologies.
Journal of Materials Chemistry A,
Journal Year:
2023,
Volume and Issue:
12(1), P. 87 - 112
Published: Nov. 27, 2023
This
review
surveys
Fe-based
dual-atom
catalysts
for
oxygen
reduction
reactions
in
next-generation
energy
devices,
including
challenges
with
single-atom
catalysts,
synthetic
methods,
catalytic
performance,
and
future
research
directions.
Batteries & Supercaps,
Journal Year:
2024,
Volume and Issue:
7(11)
Published: Aug. 15, 2024
Abstract
Rechargeable
Zn‐air
batteries
offer
the
advantages
of
environmental
friendliness,
safety,
low
prices
and
high
energy
density,
are
highly
valued.
However,
major
challenge
faced
by
rechargeable
nowadays
is
efficiency
due
to
slow
reaction
kinetics
electrocatalyst
at
air
cathode.
Bifunctional
catalysts
key
development
improving
their
overall
performance
long‐term
cycling
stability.
Metal‐organic
framework
(MOF)
materials
have
shown
great
benefits
as
oxygen
electrocatalysts
in
promoting
reduction
(ORR)
evolution
(OER).
This
paper
reviews
recent
advances
three
kinds
MOF
bifunctional
for
batteries.
Additionally,
this
also
discusses
synthetic
design
strategy
composite
derivatives,
concludes
suggesting
application
field
