Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 4, 2024
Abstract
Solid
oxide
fuel
cells
(SOFCs)
are
considered
as
advanced
energy
conversion
technologies
due
to
the
high
efficiency,
flexibility,
and
all‐solid
structure.
Nevertheless,
their
widespread
applications
strongly
hindered
by
operational
temperatures,
limited
material
selection
choices,
inferior
long‐term
stability,
relatively
costs.
Therefore,
reducing
temperatures
of
SOFCs
intermediate‐temperature
(IT,
500–800
°C)
range
can
remarkably
promote
practical
enabling
use
low‐cost
materials
enhancing
cell
stability.
conventional
cathodes
for
high‐temperature
display
electrocatalytic
activity
oxygen
reduction
reaction
(ORR)
at
reduced
temperatures.
Barium
cobaltite
(BaCoO
3‐δ
)‐based
perovskite
oxides
regarded
promising
IT‐SOFCs
because
free
lattice
volume
large
vacancy
content.
However,
BaCoO
‐based
suffer
from
poor
structural
thermal
compatibility,
insufficient
ionic
conductivity.
Herein,
an
in‐time
review
about
recent
advances
in
is
presented
emphasizing
design
strategies
including
functional/selectively
doping,
deficiency
control,
(nano)composite
construction
enhance
ORR
activity/durability
compatibility.
Finally,
currently
existed
challenges
future
research
trends
presented.
This
will
provide
valuable
insights
development
electrocatalysts
various
conversion/storage
technologies.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 14, 2025
Zinc-air
batteries
(ZABs)
are
highly
promising
for
flexible
electronics
due
to
their
high
energy
density
and
cost-effective.
However,
practical
application
is
impeded
by
the
sluggish
kinetics
of
oxygen
evolution
reduction
reactions
(OER/ORR).
This
study
presents
a
novel
design
featuring
BaO
nanoparticles
anchored
on
layered
perovskite
PrBaMn1.5Co0.5O6-δ
(PBMC)
nanofibers,
fabricated
through
plasma
method.
Notably,
treatment
induces
selective
exsolution
A-site
Ba
onto
surface,
while
simultaneously
driving
transformation
PBMC
from
simple
perovskite,
resulting
in
unique
BaO/PBMC
heterostructure.
Theoretical
calculations
demonstrate
that
construction
heterojunction
regulates
interfacial
electronic
redistribution,
thereby
lowering
barriers
both
OER
ORR.
Consequently,
air
electrode
exhibits
superior
peak
power
enhanced
stability
solid-state
ZABs,
compared
pristine
cathode.
Selective
coupled
with
phase
transition,
alkaline-earth
metal
oxide/perovskite
heterostructure,
may
offer
new
insights
conversion
technologies.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 17, 2025
Abstract
Cu‐based
catalysts
for
electrochemical
CO
2
reduction
reactions
facilitate
the
transformation
of
into
economically
viable
multicarbon
products.
There
remains
a
pressing
need
to
design
efficient,
stable,
and
cost‐effective
enhance
selectivity
these
Metal‐oxide
heterogeneous
interface
can
modify
electronic
structure
metal
surfaces,
influencing
adsorption
energy
crucial
intermediates
thereby
enhancing
In
this
study,
Cu/ZnO
electrodes
are
prepared
by
magnetron
sputtering
achieve
Faraday
efficiency
51.2%
C
H
4
at
−1.17
V.
The
provided
abundant
active
sites
reaction,
lower
work
function
facilitated
multi‐electron
transfer
process
necessary
,
enhances
catalytic
performance.
DFT
calculations
reveal
that
upward
shift
in
d‐band
center
Cu/ZnO,
compared
pure
Cu,
intermediate
*
CO.
Moreover,
C‐C
coupling
achieved
on
through
CHO‐
CHO
pathway,
which
features
barriers,
ensures
high
conversion
.
This
provides
promising
effective
strategy
large‐scale
development
metal‐oxide
