Energy Technology,
Journal Year:
2024,
Volume and Issue:
12(6)
Published: April 24, 2024
Herein,
a
zinc‐air
flow
battery
(ZAFB)
as
an
environmentally
friendly
and
inexpensive
energy
storage
system
is
investigated.
For
this
purpose,
optimized
ZAFB
for
households
designed
based
on
the
most
recent
publications,
economic
ecological
analysis
of
carried
out.
The
results
show
that
customer
price
estimated
at
≈5000
€
thus
about
one‐third
lower
than
quoted
comparable
vanadium
(VFB).
carbon
footprint
(CF)
shows
especially
alkaline
electrolyte
silver‐containing
gas
diffusion
electrode
have
high
share
greenhouse
emissions
system.
However,
CF
41%
VFB,
highlighting
great
potential
alternative
home
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 11, 2025
Abstract
Rechargeable
zinc–air
batteries
(ZABs)
have
emerged
as
highly
promising
energy
storage
systems
due
to
their
exceptional
theoretical
density,
high
power
cost‐effectiveness,
and
environmental
safety.
The
current
focus
of
ZAB
research
is
on
developing
high‐performance
bifunctional
oxygen
electrocatalysts.
Among
these,
perovskite
oxide,
a
transition
metal
oxide
with
tunable
electronic
structures
intrinsic
catalytic
activity,
has
gained
significant
attention
for
its
application
in
ZABs.
Recently,
advancements
introduced
various
strategies
enhance
the
activity
stability
oxides.
In
this
review,
design
oxides
from
both
experimental
perspectives
systematically
examined.
strategy
electrocatalysts
first
summarized,
including
composition
strategy,
morphology
regulation,
heteroatom
doping,
vacancy.
Furthermore,
latest
advances
machine
learning
screening
special
properties
storage/conversion
devices,
especially
ZABs,
are
presented.
Finally,
insights
into
future
development
ZABs
offered,
aiming
provide
comprehensive
guideline
precise
metal–air
batteries.
Batteries & Supercaps,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 27, 2025
Developing
efficient
and
cost‐effective
bifunctional
catalysts
is
pivotal
in
advancing
Zn–air
batteries
(ZABs).
In
this
study,
a
novel
multiple‐surface
modification
strategy
presented
for
MnCo
2
O
4.5
(MCO)
spinel
electrocatalyst
with
the
pyrolysis
of
thiourea.
The
preparation
involves
hydrothermal
process
to
obtain
MCO,
followed
by
surface
varying
concentrations
thiourea
(10%weight
(wt),
30,
50%wt)
under
nitrogen
atmosphere
at
300
°C.
10%
wt
thiourea‐modified
MCO
(MCO‐10%T)
achieves
half‐wave
potential
0.787
V
vs.
reversible
hydrogen
electrode
oxygen
reduction
reaction
an
overpotential
450
mV
10
mA
cm
−2
evolution
reaction,
rivaling
benchmark
Pt/C‐RuO
catalyst.
This
enhanced
performance
arises
from
synergistic
effects
sulfur
doping,
carbon
coating,
hierarchical
porous
structure
introduced
These
features
collectively
improve
electrical
conductivity,
increase
active
site
availability,
facilitate
charge
transfer.
When
employed
as
air
cathode
catalyst
aqueous
ZABs,
MCO‐10%T
demonstrates
high
specific
capacity
800
mAh
g
−1
,
power
density
154
mW
outstanding
charge–discharge
cycling
stability.
study
offers
important
guidance
designing
activity
stability,
leveraging
reconstruction
strategies
tailored
materials.
