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.
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.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 1, 2024
Abstract
An
urgent
challenge
to
the
development
of
rechargeable
Zn–air
batteries
(RZABs)
is
highly
active,
durable,
and
low‐cost
catalysts
for
oxygen
reduction
reaction
evolution
(ORR
OER).
Herein,
a
carbon‐based
monolithic
catalyst
designed
via
anchoring
P‐modified
MnCo
2
O
4
inverse
spinel
nanoparticles
on
biomass‐derived
carbon
(P‐MnCo
@PWC).
The
introduction
surface
P
atoms
regulates
electronic
structures
valences
metal
by
adjusting
coordination
fields
(P‐O)
δ–
Metal‐P.
optimization
adsorption
behavior
key
intermediates
facilitates
activation
conversion
species.
structure
beneficial
construction
three‐phase
interface
efficient
mass
transfer
high
electrical
conductivity.
P‐MnCo
@PWC
displays
outstanding
bifunctional
catalytic
properties
with
thin
Δ
E
(the
difference
between
OER
potential
at
10
mA
cm
–
ORR
halfwave
potential)
0.66
V.
RZAB
as
cathode
delivers
an
exceptional
peak
power
density
(160
mW
)
remarkable
cycle
life
(over
1200
cycles),
overcoming
those
noble
counterparts.
This
research
provides
promising
general
surface‐phosphorization
way
design
electrocatalysts
high‐value
utilization
biomass.
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.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(29), P. 18047 - 18070
Published: Jan. 1, 2024
OER
plays
a
crucial
role
in
energy
storage
and
conversion,
the
application
of
thermal
fields
is
widespread
but
not
systematically
discussed.
In
this
work,
we
have
discussion
on
built-in
electric
field
extra
field.
Small,
Journal Year:
2024,
Volume and Issue:
20(46)
Published: Aug. 8, 2024
Abstract
Metal‐air
secondary
batteries
with
ultrahigh
specific
energies
have
received
vast
attention
and
are
considered
new
promising
energy
storage.
The
slow
redox
reactions
between
oxygen‐water
molecules
lead
to
low
efficiency
(55–71%)
limited
applications.
Herein,
it
is
proposed
that
the
MIL‐68(In)‐derived
porous
carbon
nanotube
supports
CoNiFeP
heteroconjugated
alloy
catalyst
an
overboiling
point
electrolyte
achieve
oxidation
rate
of
water
molecules.
Structural
characterization
density
functional
theory
calculations
reveal
greatly
reduces
free
process,
further
accelerates
dissociation
O─H
hydrogen
bonds,
release
O
2
molecules,
achieving
extra‐low
overpotential
110
mV@10
mA
cm
−2
far
lower
than
commercial
Ir/C
catalysts
192
mV
at
125
°C
state‐of‐the‐art.
Furthermore,
assembled
rechargeable
zinc‐air
begins
break
through
85
°C,
jumps
100
reaches
88.1%
ultralow
decay
0.0068%
after
150
cycles
superior
those
reported
metal‐air
batteries.
This
work
provides
a
joint‐design
strategy
reexamines
battery
operating
temperature
construct
higher
for
fuel
cells.
