Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 24, 2025
Abstract
Designing
cost‐effective
bifunctional
electrocatalysts
with
high
activity
claims
essential
features
for
accelerating
the
practical
application
process
of
rechargeable
Zn–air
batteries.
NiFe‐based
catalytic
materials
are
viable
candidates
electrocatalysts,
benefiting
from
abundant
reserves,
low
costs,
adjustable
electron
structures,
and
activities.
To
accelerate
industrialization
in
batteries,
it
is
necessary
to
systematically
explore
their
design
strategies
promoting
This
review
first
introduces
working
principle,
reaction
mechanism,
challenges
which
aim
understand
cathodic
catalyst
criteria.
Furthermore,
categorization
catalysts
illustrated
detail
introduce
strategy.
Based
on
understanding,
strategy
catalysts,
including
anionic
modification,
cation
doping,
supporting
effect,
embedding
multi‐component
construction,
summarized
boost
performance
batteries
sustained
stability.
Finally,
some
personal
insights
developing
proposed.
It
believed
that
this
can
offer
valuable
guiding
future
research
advancement
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(30), С. 18705 - 18732
Опубликована: Янв. 1, 2024
State-of-the-art
HEAs
with
outstanding
water
splitting
performance
is
rationally
designed,
which
provides
a
blueprint
for
the
design
of
next-generation
platform
hydrogen
regeneration.
Abstract
Exploring
highlyefficient
electrocatalysts
for
overall
water
splitting
is
a
challenging
butnecessary
task
development
of
green
and
renewable
energy.
Herein,
PtIrFeCoNi
high‐entropy
alloy
nanoflowers
(HEA
NFs)
withstrong
3d‐5d
orbital
hybridization
were
fabricated
to
achieve
highly
efficientoverall
at
high
current
density.
The
Pt
26
Ir
7
Fe
13
Co
22
Ni
32
HEA
NFs
achieved
57.52‐fold
higher
than
commercial
IrO
2
in
turnoverfrequency
(TOF)
oxygen
evolution
reaction
(OER).
Besides,
its
TOF
value
forhydrogen
(HER)
was
2.11‐fold
that
commercialPt/C.
cell
voltages
based
on
only
1.594
V
1.861
currentdensities
100
mA
cm
−2
500
,
which
weresignificantly
lower
those
Pt/C
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 4, 2025
Electrolysis
of
water
represents
an
effective
method
for
the
generation
high-purity
hydrogen.
Nevertheless,
anodic
oxygen
evolution
reaction
(OER)
exhibits
slow
kinetics,
which
leads
to
a
high
electrolytic
potential
and
induces
excessive
energy
consumption.
In
this
work,
nickel
foam-supported
3D
phosphide/bimetal
nitride
(Co2P-NiMoN/NF)
nanorod
array
catalyst
is
prepared
by
calcination
NiMoO4,
followed
phosphatization
Co(OH)2.
The
heterostructure
excellent
catalytic
activity
cathodic
hydrogen
(HER:
η100
=
98
mV,
η1000
297
mV)
OER
(η100
277
382
electrolysis
in
alkaline
electrolyte,
indicating
its
feasibility
as
bifunctional
overall
splitting
(OWS).
Additionally,
at
current
density
100
mA
cm-2,
associated
oxidation
decreased
roughly
160
mV
when
replaced
with
urea
process
(UOR),
has
far
lower
thermodynamic
equilibrium
potential.
Density
functional
theory
(DFT)
calculations
reveal
that
heterointerface
between
Co2P
NiMoN
enriches
electronic
states
near
Fermi
level,
thereby
enhancing
electron
transfer
promoting
charge
redistribution.
This
modulation
precisely
tunes
adsorption
strengths
reactants
during
process,
ultimately
boosting
electrocatalytic
performance.
A
cm-2
can
be
attained
cell
voltage
1.51
V
Co2P-NiMoN/NF
used
anode
cathode
cell.
Notably,
significantly
compared
(1.65
V),
well
previously
published
values.
findings
demonstrate
efficient
strategy
energy-efficient
production
through
substituting
UOR
electrolysis.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(29), С. 18294 - 18303
Опубликована: Янв. 1, 2024
Fine-tuning
the
local
coordination
and
electronic
structures
of
Ni-based
pre-catalysts
via
ligand
regulation
promotes
self-reconstruction
improves
OER
activity.
