Angewandte Chemie,
Год журнала:
2024,
Номер
136(39)
Опубликована: Июль 9, 2024
Abstract
Tuning
the
selectivity
of
CO
2
electroreduction
reaction
(CO
RR)
solely
by
changing
electrolyte
is
a
very
attractive
topic.
In
this
study,
we
conducted
RR
in
different
aqueous
electrolytes
over
bulk
metal
electrodes.
It
was
discovered
that
controlled
could
be
achieved
modulating
cations
electrochemical
double
layer.
Specifically,
ionic
liquid
significantly
inhibits
hydrogen
evolution
(HER),
while
yielding
high
Faraday
efficiencies
toward
(FE
)
or
formate
depending
on
alkali
cations.
For
example,
product
switched
from
=97.3
%)
to
=93.5
0.1
M
KBr‐0.5
1‐octyl‐3‐methylimidazolium
bromide
(OmimBr)
CsBr‐0.5
OmimBr
solutions
pristine
Cu
foil
electrode.
situ
spectroscopy
and
theoretical
calculations
reveal
ordered
structure
generated
assembly
Omim
+
under
an
applied
negative
potential
alters
bonding
interfacial
water,
thereby
inhibiting
HER.
The
difference
presence
attributed
effect
caused
,
which
solvated
thus
affects
stabilization
intermediates
pathways.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(10), С. 5149 - 5189
Опубликована: Янв. 1, 2024
This
review
summarizes
promising
strategies
including
the
design
of
catalysts
and
construction
coupled
electrocatalytic
reaction
systems,
aimed
at
achieving
selective
production
various
products
from
CO
2
electroreduction.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(12), С. 6295 - 6321
Опубликована: Янв. 1, 2024
Developing
sophisticated
strategies
to
stabilize
oxidative
metal
catalysts
based
on
the
correlation
between
dynamic
oxidation
state
and
product
profile
is
favorable
for
efficient
electrochemical
CO
2
conversion.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(32)
Опубликована: Май 27, 2024
Abstract
The
practical
application
of
the
electrocatalytic
CO
2
reduction
reaction
(CO
RR)
to
form
formic
acid
fuel
is
hindered
by
limited
activation
molecules
and
lack
universal
feasibility
across
different
pH
levels.
Herein,
we
report
a
doping‐engineered
bismuth
sulfide
pre‐catalyst
(BiS‐1)
that
S
partially
retained
after
electrochemical
reconstruction
into
metallic
Bi
for
RR
formate/formic
with
ultrahigh
performance
wide
range.
best
BiS‐1
maintains
Faraday
efficiency
(FE)
~95
%
at
2000
mA
cm
−2
in
flow
cell
under
neutral
alkaline
solutions.
Furthermore,
catalyst
shows
unprecedentedly
high
FE
(~95
%)
current
densities
from
100
1300
acidic
Notably,
density
can
reach
700
while
maintaining
above
90
membrane
electrode
assembly
electrolyzer
operate
stably
150
h
200
.
In
situ
spectra
functional
theory
calculations
reveals
doping
modulates
electronic
structure
effectively
promotes
formation
HCOO*
intermediate
generation.
This
work
develops
efficient
stable
electrocatalysts
sustainable
production.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 10, 2025
Abstract
The
local
electrolyte
micro‐environment
surrounding
the
catalyst
reaction
center,
including
critical
factors
such
as
pH,
reactant
concentration,
and
electric
field,
plays
a
decisive
role
in
electrocatalytic
reactions
water
splitting.
Recently,
this
topic
has
garnered
significant
attention
due
to
its
potential
significantly
enhance
catalytic
performance.
While
various
strategies
optimize
processes
have
been
explored,
deliberate
control
over
fundamental
principles
guiding
these
adjustments
remain
their
early
stages
of
development.
This
review
provides
comprehensive
examination
key
efforts
aimed
at
designing
tailoring
localized
micro‐environments
improve
It
discusses
advances
micro‐environmental
design,
methodologies
for
evaluating
shifts,
mechanistic
insights
driving
developments.
Additionally,
highlights
existing
challenges
prospective
industrial
applications
strategies.
By
offering
detailed
analysis
recent
developments,
aims
equip
researchers
with
practical
knowledge
on
controlling
micro‐environments,
thereby
accelerating
progress
toward
real‐world
processes.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 14, 2024
Abstract
The
development
of
active,
stable,
and
cost‐effective
electrocatalysts
for
the
oxygen
evolution
reaction
(OER)
in
acidic
media
is
crucial
proton‐exchange‐membrane
water
electrolysis.
Inspired
by
theoretical
screening
on
a
series
transition
metal
incorporated
RuO
2
systems,
low
Ru‐content
solid
solution
oxide
(Ru
0.48
Mn
0.52
O
)
achieved
fabricated
simple
two‐step
synthesis
method
through
combination
rutile
β‐MnO
.
Ru
catalyst
exhibits
an
exceptionally
overpotential
154
mV
at
10
mA
cm
−2
maintains
high
stability
under
current
100
50
h
0.5
m
H
SO
4
electrolyte.
Furthermore,
obtained
sustained
large
A
least
when
loaded
onto
Ti
felt.
in‐situ
characterization
results
indicate
that
preferably
followed
adsorbate
mechanism
rather
than
lattice
oxidation
during
OER
process,
contributing
to
its
activity
densities
media.
