Advanced Sustainable Systems,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 29, 2024
Abstract
Rechargeable
Zn‐air
batteries
(ZABs)
have
attracted
widespread
attention
due
to
their
advantages,
such
as
high
energy
density,
low
price,
and
environmental
friendliness.
However,
the
sluggish
kinetics
of
ORR/OER
greatly
prevent
practical
application
rechargeable
ZABs.
In
recent
years,
efficient,
durable,
cost‐effective
bifunctional
catalysts
are
developed
accelerate
enhance
performance
This
review
provides
a
systematic
overview
ZABs
describes
standards
oxygen
electrocatalysts.
The
latest
research
progress
in
development
non‐noble
metal‐based
nano‐metallic
electrocatalysts
for
air
electrode
is
systematically
summarized,
including
classification,
design,
synthesis
methods,
active
site
structures,
mechanism.
Finally,
challenges
faced
by
probable
solutions
proposed.
will
provide
comprehensive
guidance
efficient
electrocatalyst
future.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 14, 2025
Abstract
Cobalt
atom
cluster
(Co
AC
)‐based
electrocatalysts
usually
exhibit
high
activity
for
oxygen
reduction
reaction
(ORR),
but
display
limited
performance
in
evolution
(OER).
To
enhance
their
bifunctional
catalytic
efficiency,
it
is
crucial
to
tailor
the
d
‐orbital
electronic
structure
of
Co
through
orbital
coupling
effect,
optimizing
chemisorption
O‐intermediates.
Herein,
a
3
‐4
strategy
used
construct
‐molybdenum
carbide/nanocarbon
cake
‐Mo
x
C/CC)
catalyst
with
hollow
ORR/OER
zinc‐air
batteries
(ZABs).
Experimental
and
theoretical
results
confirm
that
4
transition
metal
Mo,
fewer
electrons
more
unfilled
orbitals,
interacts
strongly
sites
‐
coupling,
promoting
electron
enrichment
triggering
delocalization.
This
process
accelerates
rate‐limiting
steps
*OH
desorption
ORR
*OOH
formation
OER,
leading
an
ultra‐low
potential
gap
0.604
V
improved
stability.
Notably,
C/CC‐based
liquid
flexible
all‐solid‐state
ZABs
excellent
open‐circuit
voltages
1.49
1.47
V,
power
densities
146.4
103.4
mW
cm
−2
,
respectively,
highlighting
replace
precious
catalysts.
study
may
open
new
avenues
manipulating
properties
‐based
boosting
strategy.
Chemical Synthesis,
Journal Year:
2025,
Volume and Issue:
5(3)
Published: April 18, 2025
Developing
efficient
non-precious
metal
catalysts
for
oxygen
electrocatalysis
is
crucial
advancing
renewable
energy
storage
systems
such
as
rechargeable
Zn-air
batteries.
Nitrogen-doped
carbon
(M-N-C)
materials
with
atomically
dispersed
sites,
particularly
Fe-N-C,
exhibit
remarkable
activity
the
reduction
reaction
(ORR);
however,
their
performance
in
evolution
(OER)
remains
unsatisfactory.
In
this
work,
we
present
fabrication
of
Fe,
Co,
and
Ni
trimetallic
single-atom
catalysts,
which
outstanding
bifunctional
catalytic
performance.
Using
ZIF-8
phytic
acid
chelating
agents,
achieved
uniform
dispersion
atoms
within
a
porous
matrix,
preventing
agglomeration
enhancing
The
Fe30Co30Ni30-phosphorus
nitrogen
doped
(PNC)
catalyst,
after
optimization,
half-wave
potential
0.85
V
ORR
an
OER
overpotential
310
mV
at
10
mA·cm-2,
outperforming
many
state-of-the-art
catalysts.
When
applied
battery,
it
peak
power
density
221
mW·cm-2,
specific
capacity
791.3
mAh·gZn-1,
durability
over
330
h.
This
study
offers
approach
developing
high-performance
applications.
Energy & Environmental Science,
Journal Year:
2025,
Volume and Issue:
18(10), P. 4949 - 4961
Published: Jan. 1, 2025
Guided
by
the
pH-field
microkinetic
model,
we
developed
an
porous
Fe
1
Co
–N–C
ORR
catalyst,
which
exhibited
excellent
performance
in
zinc–air
batteries
and
provided
insights
for
advanced
catalysts.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 26, 2024
In
the
era
of
atomic
manufacturing,
precise
manipulation
structures
to
engineer
highly
active
catalytic
sites
has
become
a
central
focus
in
catalysis
research.
Dual-atom
catalysts
(DACs)
have
garnered
significant
attention
for
their
superior
activity,
selectivity,
and
stability
compared
single-atom
(SACs).
However,
comprehensive
review
that
integrates
geometric
electronic
factors
influencing
DAC
performance
remains
limited.
This
systematically
explores
structure
DAC,
addressing
key
macroscopic
parameters,
such
as
spatial
arrangements
interatomic
distances,
well
microscopic
factors,
including
local
coordination
environments
structures.
Additionally,
metal-support
interactions
(MSI)
long-range
(LSI)
are
comprehensively
analyzed,
which
play
pivotal
yet
underexplored
role
governing
behavior.
integration
tailored
functional
groups
is
further
discussed
fine-tune
properties,
thereby
optimizing
intermediate
adsorption,
enhancing
reaction
kinetics,
expanding
multifunctionality
various
electrochemical
environments.
offers
novel
insights
into
rational
design
by
elucidating
intricate
mechanisms
underlying
DACs'
exceptional
performance.
Ultimately,
DACs
positioned
critical
players
precision
catalysis,
highlighting
potential
drive
breakthroughs
across
broad
spectrum
applications.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 18, 2024
In
situ
measurement
of
nitric
oxide
(NO)
in
living
tissue
and
single
cells
is
highly
important
for
achieving
a
profound
comprehension
cellular
functionalities
facilitating
the
precise
diagnosis
critical
diseases;
however,
progress
greatly
hindered
by
weak
affinity
ultratrace
concentration
NO
environment
toward
electrocatalysts.
Herein,
new
strategy
reported
precisely
constructing
orbital
coupled
dual-atomic
sites
to
enhance
between
metal
atomic
on
class
N-doped
hollow
carbon
matrix
Co─Ni
(Co
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 9, 2024
Abstract
A
universal
method
is
demonstrated
for
the
fabrication
of
large‐area
highly
ordered
microporous
arrayed
metal
oxides
based
on
a
high‐quality
self‐assembly
opal
template
combined
with
sucrose‐assisted
sol‐gel
technique.
Sucrose
as
chelating
agent
optimizes
precursor
infiltration
and
regulates
both
oxide
formation
melting
process
polystyrene
templates,
thus
preventing
crack
during
calcination.
As
result,
over
20
element‐based
3DOM
arbitrary
compositions
are
successfully
prepared.
Therein,
champion
electrocatalyst
RuCoO
x
‐IO
exhibits
outstanding
bifunctional
oxygen
activity
an
ultra‐narrow
potential
gap
0.598
V,
Zn‐air
batteries
air
cathode
operates
1380
h
under
fast‐charging
cycling
(50
mA
cm
−2
),
reaches
high
energy
efficiency
69.5%
in
discharge‐charge
cycling.
In
situ
spectroscopy
characterizations
density
functional
theory
reveal
that
rational
construction
Ru─O─Co
heterointerface
decoupled
multi‐active
sites
mutual
coupling
RuO
2
Co
3
O
4
facilitate
interfacial
electron
transfer,
leading
to
optimized
d
‐band
centers
active
Ru/Co
weakened
spin
interaction
between
intermediates
sites,
so
enhance
adsorption
ability
*
OOH
fast
ORR
kinetics
while
favoring
desorption
Ru
OER.
Advanced Sustainable Systems,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 29, 2024
Abstract
Rechargeable
Zn‐air
batteries
(ZABs)
have
attracted
widespread
attention
due
to
their
advantages,
such
as
high
energy
density,
low
price,
and
environmental
friendliness.
However,
the
sluggish
kinetics
of
ORR/OER
greatly
prevent
practical
application
rechargeable
ZABs.
In
recent
years,
efficient,
durable,
cost‐effective
bifunctional
catalysts
are
developed
accelerate
enhance
performance
This
review
provides
a
systematic
overview
ZABs
describes
standards
oxygen
electrocatalysts.
The
latest
research
progress
in
development
non‐noble
metal‐based
nano‐metallic
electrocatalysts
for
air
electrode
is
systematically
summarized,
including
classification,
design,
synthesis
methods,
active
site
structures,
mechanism.
Finally,
challenges
faced
by
probable
solutions
proposed.
will
provide
comprehensive
guidance
efficient
electrocatalyst
future.
