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: March 3, 2025
Abstract
Oxygen
electrocatalysis
is
a
core
reaction
in
renewable
energy
devices,
greatly
promoting
the
transformation
and
upgrading
of
structure.
Nonetheless,
performance
conversion
devices
hindered
by
large
overpotential
slow
kinetics
oxygen
electrocatalytic
reactions.
Recently,
single‐atom
catalysts
(SACs)
have
emerged
as
promising
contenders
field
because
their
exceptional
metal
atom
utilization,
distinctive
coordination
environment,
adjustable
electronic
properties.
This
review
presents
latest
advancements
design
Co‐based
SACs
for
electrocatalysis.
First,
OER
ORR
mechanisms
are
introduced.
Subsequently,
strategies
regulating
structure
summarized
three
aspects,
including
centers,
support
carriers.
A
particular
emphasis
given
to
relationship
between
properties
catalysts.
Afterward,
applications
explored.
Ultimately,
challenges
prospects
prospected.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 23, 2025
Promoting
the
rate
of
oxygen
reduction
reaction
(ORR)
is
critical
for
boosting
overall
energy
efficiency
flexible
zinc–air
batteries
(FZABs).
Inspired
by
nature,
we
designed
"branch-leaf"
like
hierarchical
porous
carbon
nanofibers
with
ultralow
loadings
Ir
nanoparticles
(NPs)
derived
from
covalent–organic
framework/metal–organic
framework
(COF/MOF)
core–shell
hybrids.
The
as-obtained
Ir/FeZn-hierarchical
(HPCNFs)
showcase
enhanced
ORR
performance,
and
loading
reduces
cost
while
maintaining
catalytic
capacity.
Interestingly,
FZABs
assembled
Ir/FeZn-HPCNFs
deliver
an
impressive
stable
performance.
This
work
provides
a
feasible
approach
designing
cost-effective
highly
efficient
electrocatalysts
using
in
FZABs.
ACS Applied Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 27, 2025
Dual-atom
catalysts
(DACs)
have
gained
great
attention
as
highly
efficient
materials
for
the
hydrogen
evolution
reaction
(HER)
due
to
their
synergistic
dual-site
effects
and
high
atomic
utilization.
This
review
explores
how
microenvironmental
regulation,
including
electronic
structure
optimization
coordination
design,
influences
DAC
performance.
Both
homonuclear
heteronuclear
types
of
DACs
are
analyzed
in
detail
terms
site
interactions
structural
configurations.
Moreover,
recent
advancements
HER
applications
under
various
pH
conditions
discussed,
highlighting
enhanced
catalytic
activity
mechanism.
Despite
challenges
synthesis
characterization,
represent
a
promising
frontier
developing
offer
guidance
future
research
scalable
applications.
