Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 7, 2025
Abstract
The
integration
of
transition
metal‐carbon
composites
has
shown
remarkable
potential
in
achieving
superior
bifunctional
electrocatalytic
activity
and
robust
stability
rechargeable
zinc‐air
batteries
(ZABs),
primarily
through
electronic
structure
modulation
strategic
structural
design.
While
significant
research
is
dedicated
to
the
initial
performance
electrocatalysts
for
ZABs,
their
dynamic
evolution
during
charge–discharge
cycling
remains
underexplored.
In
this
study,
CoFe
nanoparticles
are
encapsulated
within
carbon
nanotubes
co‐doped
with
nitrogen
phosphorus
(NPC)
mitigate
dissolution
erosion
risks.
Further,
catalyst
surface
(CoFe‐NPC)
precisely
modified
a
thin
layer
nickel
oxide
(NiO)
via
atomic
deposition
(ALD),
forming
protective
catalytic
activity.
resulting
ALD‐modified
catalyst,
CoFe‐NPC@NiO,
exhibits
outstanding
(Δ
E
=
0.592
V)
oxygen
reduction
reaction
(ORR)
(OER).
Notably,
liquid
flow
ZAB
using
CoFe‐NPC@NiO
cathode
demonstrates
exceptional
(2700
h,
≈4
months).
Theoretical
calculations
situ
X‐ray
absorption
spectroscopy
(XAS)
analyses
reveal
that
NiO
modification
significantly
enhances
both
electrocatalyst.
This
work
will
provide
valuable
insights
into
design
advanced
electrocatalysts,
facilitating
advancements
enhancement,
improvement,
selectivity
optimization.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(12), P. 9224 - 9234
Published: June 3, 2024
A
facile
method
for
the
preparation
of
precious
metal-free
catalysts
oxygen
reduction
reaction
(ORR)
from
lignin,
dicyandiamide,
and
transition
metal
salts
is
presented.
Magnesium
acetate
was
employed
as
a
precursor
sacrificial
template,
enhancing
porous
structure
catalysts.
Iron
content
in
catalyst
materials
optimized
bimetallic
containing
Fe
Co
also
prepared.
The
physicochemical
analysis
revealed
uniform
dispersion
various
nitrogen
moieties
centers
on
sheet-like
carbon
structures,
along
with
some
carbon-encapsulated
metal-rich
nanoparticles.
Rotating
disc
electrode
tests
an
alkaline
solution
demonstrated
dependence
ORR
performance
their
iron
confirmed
high
stability
both
over
10,000
potential
cycles.
Anion-exchange
membrane
fuel
cell
(AEMFC)
studies
that
outperforms
Fe-containing
material,
achieving
very
promising
peak
power
density
675
mW
cm–2
at
60
°C
833
80
°C.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(18), P. 9029 - 9058
Published: Jan. 1, 2024
The
integration
of
chirality,
specifically
through
the
chirality-induced
spin
selectivity
(CISS)
effect,
into
electrocatalytic
processes
represents
a
pioneering
approach
for
enhancing
efficiency
energy
conversion
and
storage
systems.
This
review
delves
burgeoning
field
chiral
electrocatalysis,
elucidating
fundamental
principles,
historical
development,
theoretical
underpinnings,
practical
applications
CISS
effect
across
spectrum
reactions,
including
oxygen
evolution
reaction
(OER),
reduction
(ORR),
hydrogen
(HER).
We
explore
methodological
advancements
in
inducing
structural
surface
engineering
discuss
various
techniques
its
measurement,
from
magnetic
conductive
atomic
force
microscopy
(mc-AFM)
to
peroxide
titration.
Furthermore,
this
highlights
transformative
potential
addressing
key
challenges
NRR
CO
Nature Nanotechnology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 25, 2024
The
advancement
of
all-solid-state
lithium
metal
batteries
requires
breakthroughs
in
solid-state
electrolytes
(SSEs)
for
the
suppression
dendrite
growth
at
high
current
densities
and
capacities
(>3
mAh
cm
Chemical Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Utilizing
double
coordination
shell
modulation,
we
construct
a
novel
nitrogen-free
single-atom
manganese
configuration
catalyst
on
graphene
oxide
(Mn–S
1
O
4
G),
which
exhibits
excellent
ORR
and
zinc–air
battery
performances.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 17, 2025
Regulating
the
surface
oxophilicity
of
electrocatalyst
is
known
as
an
efficient
strategy
to
mitigate
order-of-magnitude
kinetic
slowdown
hydrogen
electrocatalysis
in
a
base,
which
great
scientific
and
technological
significance.
So
far,
its
mechanistic
origin
remains
mainly
ascribed
bifunctional
or
electronic
effects
that
revolve
around
catalyst-intermediate
interactions
under
extensive
debate.
In
addition,
understanding
from
perspective
interfacial
electric-double-layer
(EDL)
structures,
should
also
strongly
depend
on
electrode
property,
still
lacking.
Here,
by
decorating
Pt
with
Mo,
Ru,
Rh,
Au
metal
atoms
tune
systematically
combining
electrochemical
activity
tests,
situ
surface-enhanced
infrared
absorption
spectroscopy,
density
functional
theory
calculation,
ab
initio
molecular
dynamics
simulation,
we
found
there
exist
consistent
volcano-type
relationships
between
*OH
adsorption
strength
alkaline
evolution
activity,
stretching/bending
vibration
information
water,
potential
zero
charge
(PZC)
electrode.
This
demonstrates
impacting
electrocatalytic
lies
modification
toward
PZC,
thereby
dictates
electric
field
strength,
rigidity,
bonding
network
structure
EDL
ultimately
governs
proton
transfer
kinetics.
These
findings
emphasize
importance
focusing
interface
structures
understand
property-dependent
reaction