Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 16, 2024
Abstract
The
electrocatalytic
conversion
of
carbon
dioxide
(CO
2
)
to
formate
is
significant
for
neutrality.
How
improve
the
reaction
kinetics
electrocatalysts
one
important
challenges.
An
innovative
electrodeposition
strategy
presented
herein
rationally
synthesize
vanadium
oxide
(VO
x
clusters
decorated
Bi‐Sn
alloy
(BiSn(VO
))
catalyst.
Theoretical
and
in
situ
spectral
studies
confirm
simultaneously
improved
CO
activation
subsequent
protonation
via
VO
mediated
water
dissociation
process,
thereby
optimizing
activity
selectivity
formate.
Remarkably,
this
BiSn(VO
catalyst
achieves
high
Faradic
efficiency
(FE)
over
90%
within
wide
potential
window
800
mV
excellent
stability
100
h
at
−0.6
V
versus
RHE.
Moreover,
cathode
integrated
rechargeable
Zn‐CO
battery
realizes
largest
power
density
3.8
mW
cm
−2
,
while
assembled
co‐electrolysis
electrolyzer
delivers
a
total
FE
182%
cell
voltage
0.6
V,
outperforming
highest
value
so
far.
work
provides
promising
way
develop
advanced
electrolysis.
