ACS Catalysis,
Год журнала:
2024,
Номер
14(10), С. 8050 - 8061
Опубликована: Май 8, 2024
The
direct
production
of
formate
from
CO2
over
Bi-based
catalysts
offers
a
promising
route
for
producing
important
chemicals
using
renewable
electricity.
Nevertheless,
limited
by
the
unstable
structure
and
states
under
electrochemical
conditions,
electroreduction
to
is
still
facing
trade-off
between
activity
stability,
especially
at
high
current
densities.
Herein,
we
reported
metal–carbon
interfacial
modulation
strategy
synthesize
cross-linked
defective
carbon-modified
Bi
nanoparticle
(Bi-DC)
catalyst
with
stable
spatial
unique
CO2-philic
hydrophobic
interface.
As
result,
Bi-DC
featured
remarkable
ability
in
near
neutral
electrolyte
(1
M
KHCO3)
was
even
comparable
CO2-to-formate
strongly
basic
systems,
along
partial
density
formation
rate
−378
mA
cm–2
7
mmol
h–1,
respectively.
Also,
it
achieved
electrolysis
120
h
0.4
A
membrane
electrode
assembly
reactor
operated
stably
an
industrial
large
5
A.
carbon
species
promoted
reconstruction
dispersion
active
component
Bi,
together
confinement
effect
that
facilitated
long-term
electrolysis.
Nano Letters,
Год журнала:
2022,
Номер
22(22), С. 9107 - 9114
Опубликована: Ноя. 1, 2022
The
electrochemical
CO2
reduction
reaction
(CO2RR)
is
a
promising
strategy
to
alleviate
excessive
levels
in
the
atmosphere
and
produce
value-added
feedstocks
fuels.
However,
synthesis
of
high-efficiency
robust
electrocatalysts
remains
great
challenge.
This
work
reports
green
preparation
surface-oxygen-rich
carbon-nanorod-supported
bismuth
nanoparticles
(SOR
Bi@C
NPs)
for
an
efficient
CO2RR
toward
formate.
resultant
SOR
NPs
catalyst
displays
Faradaic
efficiency
more
than
91%
formate
generation
over
wide
potential
range
440
mV.
Ex
situ
XPS
XANES
Raman
spectroscopy
demonstrate
that
Bi-O/Bi
(110)
structure
pristine
can
remain
stable
during
process.
DFT
calculations
reveal
facilitate
formation
*OCHO
intermediate.
provides
approach
development
Bi-based
catalysts
offers
unique
insight
into
exploration
advanced
electrocatalysts.
Advanced Materials,
Год журнала:
2024,
Номер
36(19)
Опубликована: Фев. 7, 2024
The
sluggish
ions-transfer
and
inhomogeneous
ions-nucleation
induce
the
formation
of
randomly
oriented
dendrites
on
Zn
anode,
while
chemical
instability
at
anode-electrolyte
interface
triggers
detrimental
side
reactions.
Herein,
this
report
in
situ
designs
a
multifunctional
hybrid
interphase
Bi/Bi
ACS Catalysis,
Год журнала:
2024,
Номер
14(10), С. 8050 - 8061
Опубликована: Май 8, 2024
The
direct
production
of
formate
from
CO2
over
Bi-based
catalysts
offers
a
promising
route
for
producing
important
chemicals
using
renewable
electricity.
Nevertheless,
limited
by
the
unstable
structure
and
states
under
electrochemical
conditions,
electroreduction
to
is
still
facing
trade-off
between
activity
stability,
especially
at
high
current
densities.
Herein,
we
reported
metal–carbon
interfacial
modulation
strategy
synthesize
cross-linked
defective
carbon-modified
Bi
nanoparticle
(Bi-DC)
catalyst
with
stable
spatial
unique
CO2-philic
hydrophobic
interface.
As
result,
Bi-DC
featured
remarkable
ability
in
near
neutral
electrolyte
(1
M
KHCO3)
was
even
comparable
CO2-to-formate
strongly
basic
systems,
along
partial
density
formation
rate
−378
mA
cm–2
7
mmol
h–1,
respectively.
Also,
it
achieved
electrolysis
120
h
0.4
A
membrane
electrode
assembly
reactor
operated
stably
an
industrial
large
5
A.
carbon
species
promoted
reconstruction
dispersion
active
component
Bi,
together
confinement
effect
that
facilitated
long-term
electrolysis.
