Angewandte Chemie,
Год журнала:
2024,
Номер
136(41)
Опубликована: Июль 15, 2024
Abstract
Transition
metal/p‐block
compounds
are
regarded
as
the
most
essential
materials
for
electrochemical
energy
converting
systems
involving
various
electrocatalysis.
Understanding
role
of
p‐block
element
on
interaction
key
intermediates
and
interfacial
water
molecule
orientation
at
polarized
catalyst‐electrolyte
interface
during
electrocatalysis
is
important
rational
designing
advanced
modified
metal
electrocatalysts.
Herein,
taking
a
sequence
ruthenium
phosphides
(including
Ru
2
P,
RuP
)
model
catalysts,
we
establish
volcanic‐relation
between
P‐proportion
alkaline
hydrogen
oxidation
reaction
(HOR)
activity.
The
dominant
P
regulating
hydroxyl
binding
validated
by
active
sites
poisoning
experiments,
pH‐dependent
infection‐point
behavior,
in
situ
surface
enhanced
infrared
absorption
spectroscopy,
density
functional
theory
calculations,
which
could
tailor
d‐band
structure
Ru,
optimize
adsorption
across
Ru−P
moieties,
thereby
leading
to
improved
proportion
strongly
hydrogen‐bonded
facilitated
proton‐coupled
electron
transfer
process,
responsible
HOR
performance.
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(14), С. 4080 - 4106
Опубликована: Янв. 1, 2024
This
summary
describes
the
effects
of
wettability,
local
pH,
interfacial
water
structure,
and
electrolyte
composition
on
interface
reactant
compositions,
key
intermediate
adsorption,
reaction
kinetics.
The Journal of Chemical Physics,
Год журнала:
2024,
Номер
160(16)
Опубликована: Апрель 23, 2024
The
rates
of
many
electrocatalytic
reactions
can
be
strongly
affected
by
the
structure
and
dynamics
electrochemical
double
layer,
which
in
turn
tuned
concentration
identity
supporting
electrolyte's
cation.
effect
cations
on
an
process
depends
a
complex
interplay
between
electrolyte
components,
electrode
material
surface
structure,
applied
potential,
reaction
intermediates.
Although
cation
effects
remain
insufficiently
understood,
principal
mechanisms
underlying
cation-dependent
reactivity
selectivity
are
beginning
to
emerge.
In
this
Perspective,
we
summarize
critically
examine
recent
advances
area
context
hydrogen
evolution
(HER)
CO2-to-CO
conversion,
among
most
intensively
studied
promising
for
sustainable
production
commodity
chemicals
fuels.
Improving
kinetics
HER
base
enabling
energetically
efficient
selective
CO2
reduction
at
low
pH
key
challenges
electrocatalysis.
physical
insights
from
literature
illustrate
how
utilized
help
achieve
these
goals
steer
other
processes
technological
relevance.
Chemical Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 4, 2025
Water
is
a
salient
component
in
catalytic
systems
and
acts
as
reactant,
product
and/or
spectator
species
the
reaction.
Confined
water
distinct
local
environments
can
display
significantly
different
behaviors
from
that
of
bulk
water.
Therefore,
wide-ranging
chemistry
confined
provide
tremendous
opportunities
to
tune
reaction
kinetics.
In
this
review,
we
focus
on
drawing
connection
between
properties
kinetics
for
heterogeneous
(electro)catalysis.
First,
are
presented,
where
enthalpy,
entropy,
dielectric
be
regulated
by
tuning
geometry
hydrophobicity
cavities.
Second,
experimental
computational
studies
investigate
interactions
inorganic
materials,
such
carbon
nanotubes
(1D
confinement),
charged
metal
or
oxide
surfaces
(2D),
zeolites
metal–organic
frameworks
(3D)
ions/solvent
molecules
(0D),
reviewed
demonstrate
opportunity
create
structures
with
unique
H-bonding
network
properties.
Third,
role
structure
dynamics
governing
activation
free
energy,
reorganization
energy
pre-exponential
factor
(electro)catalysis
discussed.
We
highlight
emerging
enhance
proton-coupled
electron
transfer
optimizing
interfacial
H-bond
networks
regulate
decarbonization
chemicals
fuels.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 8, 2025
Traditional
CO2
reduction
systems
often
fail
in
an
alkaline
environment
due
to
the
interaction
of
with
a
high-pH
electrolyte,
where
carbonate
and
bicarbonate
ion
formation
results
potassium-containing
salt
precipitation.
The
presence
crystals
causes
selectivity
electrolyzer
toward
conversion.
Here,
critical
operational
variables,
which
elicit
salting
out
process,
are
investigated
(i.e.,
transport).
When
exceeds
current
density,
H2
evolution
dominates
formation,
is
confirmed
by
postmortem
cross-sectional
SEM-EDS
electrode.
density
decreases
increasing
membrane
thickness
or
anolyte
ionic
strength.
Cathode
mediated
unmitigated
crossover
cations
from
cathode
across
anion
exchange
membrane,
through
imperfectly
excluded.
It
likely
that
electric
field-driven
migration
promotes
increase
concentration
potassium
until,
at
for
arrangement,
ions
solubility
limit
KHCO3,
leading
Carbon Neutralization,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 23, 2024
Abstract
In
the
domain
of
novel
catalyst
design
and
application,
metal
phosphides
have
attracted
widespread
interest
due
to
their
unique
electronic
structure
potential
catalytic
activity.
Various
types
supports
that
can
effectively
anchor
been
reported,
among
which
MXene
received
significant
attention
two‐dimensional
(2D)
structure,
adjustable
composition,
composite
variability.
This
work
mainly
aims
elucidate
preparation
carriers
roles
in
loading
participating
reactions.
We
will
clarify
strategy
MXene,
interaction
between
carriers,
explain
stabilization
phosphide
active
sites
rational
adjustment
structure.
addition,
we
comprehensively
summarize
recent
research
progress
MXene‐based
composites,
with
particular
emphasis
on
advancements
synergistic
effect
heterostructures.
Regarding
applications,
review
utilization
composites
electrocatalysis,
including
hydrogen
evolution
reaction
(HER),
oxygen
(OER),
reduction
(ORR).
Finally,
some
fundamental
challenges
prospects
for
efficient
electrocatalysis
are
introduced.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(41)
Опубликована: Июль 15, 2024
Transition
metal/p-block
compounds
are
regarded
as
the
most
essential
materials
for
electrochemical
energy
converting
systems
involving
various
electrocatalysis.
Understanding
role
of
p-block
element
on
interaction
key
intermediates
and
interfacial
water
molecule
orientation
at
polarized
catalyst-electrolyte
interface
during
electrocatalysis
is
important
rational
designing
advanced
modified
metal
electrocatalysts.
Herein,
taking
a
sequence
ruthenium
phosphides
(including
Ru
Analytical Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 13, 2025
In
aqueous
electrochemistry,
water
in
contact
with
charged
surfaces
is
ubiquitous
and
indispensable,
dictating
the
binding
of
solutes
to
electrode
as
well
transport
process
protons
electrons
interfacial
region.
A
comprehensive
understanding
structure
dissociation
at
molecular
level
extremely
important
yet
challenging,
given
its
critical
role
various
physical,
chemical,
biological
processes.
situ
vibrational
spectroscopic
techniques
serve
a
powerful
tool
for
acquiring
probing
reaction
mechanisms
real
time.
this
review,
we
briefly
summarize
latest
advances
electric
double
layer
model
experimental
methods
employed
electrode-solution
interface.
Particular
emphasis
placed
on
that
have
unveiled
new
insights
into
across
diverse
under
ambient
conditions.
And
then,
it
also
provides
an
overview
recent
progress
subtle
relationship
between
activity,
aiming
provide
novel
fields
energy
catalysis.
