Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 14, 2024
Abstract
To
realize
the
practical
application
of
rechargeable
Zn–Air
batteries
(ZABs),
it
is
imperative
to
develop
a
non‐noble
metal‐based
electrocatalyst
with
high
electrochemical
performance
for
oxygen
reduction
reaction
(ORR)
and
evolution
(OER).
Herein,
Ni‐doped
Co
9
S
8
nanoparticles
dispersed
on
an
inverse
opal‐structured
N,
co‐doped
carbon
matrix
(IO─Ni
x
9‐x
@NSC)
as
bifunctional
presented.
The
unique
3D
porous
structure,
arranged
in
opal
pattern,
provides
large
active
surface
area.
Also,
conductive
substrate
ensures
homogeneous
dispersion
Ni
nanocrystals,
preventing
aggregation
increasing
exposure
sites.
introduction
heteroatom
dopants
into
structure
generates
defect
sites
enhances
polarity,
thereby
improving
electrocatalytic
alkaline
solutions.
Consequently,
IO─Ni
@NSC
shows
excellent
activity
half‐wave
potential
0.926
V
ORR
low
overpotential
289
mV
at
10
mA
cm
−2
OER.
Moreover,
ZAB
assembled
prepared
exhibits
higher
specific
capacity
(768
mAh
g
Zn
−1
),
peak
power
density
(180.2
mW
outstanding
stability
(over
160
h)
compared
precious
electrocatalyst.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: July 9, 2024
Combining
single
atoms
with
clusters
or
nanoparticles
is
an
emerging
tactic
to
design
efficient
electrocatalysts.
Both
synergy
effect
and
high
atomic
utilization
of
active
sites
in
the
composite
catalysts
result
enhanced
electrocatalytic
performance,
simultaneously
provide
a
radical
analysis
interrelationship
between
structure
activity.
In
this
review,
recent
advances
single-atomic
site
coupled
are
emphasized.
Firstly,
synthetic
strategies,
characterization,
dynamics
types
clusters/nanoparticles
introduced,
then
key
factors
controlling
discussed.
Next,
several
clean
energy
catalytic
reactions
performed
over
synergistic
illustrated.
Eventually,
encountering
challenges
recommendations
for
future
advancement
energy-transformation
electrocatalysis
outlined.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(14), P. 4847 - 4870
Published: Jan. 1, 2024
Based
on
the
advancements
in
atomically
dispersed
multi-site
catalysts
for
FZABs,
this
review
discusses
design
methodologies
to
regulate
performance
of
bifunctional
oxygen
electrocatalysts
from
electronic
and
geometric
structures.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 10, 2025
Abstract
The
design
and
fabrication
of
nanocatalysts
with
high
accessibility
sintering
resistance
remain
significant
challenges
in
heterogeneous
electrocatalysis.
Herein,
a
novel
catalyst
is
introduced
that
combines
electronic
pumping
alloy
crystal
facet
engineering.
At
the
nanoscale,
pump
leverages
chemical
potential
difference
to
drive
electron
migration
from
one
region
another,
separating
transferring
electron‐hole
pairs.
This
mechanism
accelerates
reaction
kinetics
improves
rate.
interface
structure
optimization
enables
CoFe/carbon
nanotube
(CNT)
exhibit
outstanding
oxygen
reduction
(ORR)
evolution
(OER)
performance.
Specifically,
this
achieves
an
ORR
half‐wave
(E₁/₂)
0.895
V,
outperforming
standard
Pt/C
RuO₂
electrocatalysts
terms
both
specific
activity
stability.
It
also
demonstrates
excellent
electrochemical
performance
for
OER,
overpotential
only
287
mV
at
current
density
10
mA
cm⁻
2
.
Theoretical
calculations
reveal
carefully
designed
facets
reduce
energy
barrier
rate‐determining
steps
optimizing
O₂
adsorption
promoting
capture
process.
study
highlights
developing
cost‐effective
bifunctional
ORR–OER
electrocatalysts,
offering
promising
strategy
advancing
Zn–air
battery
technology.
Advanced Energy and Sustainability Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 27, 2025
Metal–air
batteries,
such
as
zinc–air,
are
known
for
their
high
specific
capacity
and
environmental
friendliness.
Operational
longevity
energy
efficiency,
however,
remain
constrained
by
sluggish
reaction
kinetics,
elevated
overpotential,
interfacial
instability
during
charge–discharge
cycles.
While
noble
metal
catalysts
have
historically
addressed
these
gaps,
strategic
resource
allocation
now
prioritizes
abundant,
commercially
reachable,
cost‐effective
alternatives.
Biomass,
a
sustainable
resource,
is
crucial
in
the
development
of
metal‐free
heteroatom‐doped
biomass
carbon
nanostructured
electrocatalysts
porous
air
electrodes
with
excellent
performance
batteries.
These
novel
materials
emerge
critical
enablers,
leveraging
inherent
heteroatom
density,
tunable
pore
architectures,
potential
transition
doping
codoping
to
optimize
bifunctional
activity.
They
also
been
identified
prospective
alternatives
next
generation
oxygen
reduction
evolution
reactions.
This
review
provides
comprehensive
overview
forthcoming
generations
processes,
well
zinc–air
rechargeable
The
physicochemical
features
stabilization
techniques
zinc
electrodes,
dynamic
electrolyte–electrode
interface
conferred.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(27), P. 16863 - 16876
Published: Jan. 1, 2024
The
symmetric
electronic
structure
of
an
Fe
single-atom
site
catalyst
was
effectively
regulated
by
incorporating
Co–N
x
sites
and
core–shell
Co
3
7
@C
nanoparticles,
resulting
in
high
performance
towards
the
ORR
Zn–air
batteries.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Sept. 21, 2024
Catalyst-support
interaction
plays
a
crucial
role
in
improving
the
catalytic
activity
of
oxygen
evolution
reaction
(OER).
Here
we
modulate
catalyst-support
polyaniline-supported
Ni
Chemical Physics Reviews,
Journal Year:
2025,
Volume and Issue:
6(1)
Published: March 1, 2025
Surfaces
and
interfaces
play
key
roles
in
chemical
material
science.
Understanding
physical
processes
at
complex
surfaces
is
a
challenging
task.
Machine
learning
provides
powerful
tool
to
help
analyze
accelerate
simulations.
This
comprehensive
review
affords
an
overview
of
the
applications
machine
study
systems
materials.
We
categorize
into
following
broad
categories:
solid–solid
interface,
solid–liquid
liquid–liquid
surface
solid,
liquid,
three-phase
interfaces.
High-throughput
screening,
combined
first-principles
calculations,
force
field
accelerated
molecular
dynamics
simulations
are
used
rational
design
such
as
all-solid-state
batteries,
solar
cells,
heterogeneous
catalysis.
detailed
information
on
for