Nanomaterials,
Год журнала:
2025,
Номер
15(5), С. 386 - 386
Опубликована: Март 2, 2025
Contact-electro-catalysis
(CEC)
has
emerged
as
a
promising
catalytic
methodology,
integrating
principles
from
solid-liquid
triboelectric
nanogenerators
(SL-TENGs)
into
catalysis.
Unlike
conventional
approaches,
CEC
harnesses
various
forms
of
mechanical
energy,
including
wind
and
water,
along
with
other
renewable
sources,
enabling
reactions
under
natural
conditions
without
reliance
on
specific
energy
inputs
like
light
or
electricity.
This
review
presents
the
basic
discusses
its
applications,
degradation
organic
molecules,
synthesis
chemical
substances,
reduction
metals.
Furthermore,
it
explores
methods
to
improve
efficiency
by
optimizing
conditions,
structure
catalyst
materials,
start-up
mode.
The
concluding
section
offers
insights
future
prospects
potential
applications
CEC,
highlighting
role
in
advancing
sustainable
technologies.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(16)
Опубликована: Фев. 29, 2024
Abstract
Alkaline
water
electrolysis
(AWE)
plays
a
crucial
role
in
the
realization
of
hydrogen
economy.
The
design
and
development
efficient
stable
bifunctional
catalysts
for
both
evolution
reaction
(HER)
oxygen
(OER)
are
pivotal
to
achieving
high‐efficiency
AWE.
Herein,
WC
1‐x
/Mo
2
C
nanoparticle‐embedded
carbon
nanofiber
(WC
C@CNF)
with
abundant
interfaces
is
successfully
designed
synthesized.
Benefiting
from
electron
transfer
behavior
Mo
,
electrocatalysts
C@CNF
exhibit
superior
HER
OER
performance.
Furthermore,
when
employed
as
anode
cathode
membrane
electrode
assembly
devices,
catalyst
exhibits
enhanced
catalytic
activity
remarkable
stability
100
hours
at
high
current
density
200
mA
cm
−2
towards
overall
splitting.
experimental
characterizations
theoretical
simulation
reveal
that
modulation
d‐band
center
C@CNF,
achieved
through
asymmetric
charge
distribution
resulting
built‐in
electric
field
induced
by
work
function,
enables
optimization
adsorption
strength
hydrogen/oxygen
intermediates,
thereby
promoting
kinetics
This
provides
promising
strategies
designing
highly
active
energy
conversion
fields.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(14), С. 5260 - 5272
Опубликована: Янв. 1, 2024
Self-supporting
Fe
2
O
3
–CeO
nano-heterojunction
electrodes
with
rich
oxygen
vacancies
present
high
catalytic
performance
for
evolution
reaction,
where
defect-engineering
promotes
the
interfacial
interaction
and
activates
lattice
oxygens.
Abstract
Benefiting
from
similar
hydrogen
bonding
energy
to
Pt
and
much
lower
price
compare
with
Pt,
Ru
based
catalysts
are
promising
candidates
for
electrocatalytic
evolution
reaction
(HER).
The
catalytic
activity
of
nanoparticles
can
be
enhanced
through
improving
their
dispersion
by
using
different
supports,
the
strong
metal
supports
interaction
further
regulate
performance.
In
addition,
single‐atom
(SACs)
almost
100%
atomic
utilization
attract
great
attention
coordinative
atmosphere
single
atoms
adjusted
supports.
Moreover,
syngenetic
effects
improve
performance
catalysts.
this
review,
progress
HER
electrocatalysts
summarized
according
existing
forms,
including
(NPs),
(SAs)
combination
both
NPs
SAs.
common
such
as
carbon
materials,
oxides,
phosphides
sulfides
classified
clarify
active
centers.
Especially,
possible
mechanisms
reasons
improved
discussed
experimental
results
theoretical
calculations.
Finally,
some
challenges
opportunities
prospected
facilitate
development
HER.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(33)
Опубликована: Март 21, 2024
Abstract
Solar‐to‐chemical
energy
conversion
thorugh
photocatalytic
technology
has
garnered
significant
attention
due
to
its
potential
for
clean
hydrogen
pro
duction,
pollutant
degradation,
and
carbon
dioxide
reduction.
However,
relatively
low
solar‐to‐chemical
efficiency
hinders
industrial
development.
External
fields
have
currently
emerged
as
a
supplementary
source
augment
the
overall
catalytic
efficiency.
Recently,
performance
been
considerably
enhanced
through
magnetic
field
modulation,
which
promotes
separation
transfer
of
photoexcited
charge
carriers.
This
article
systematically
reviews
recent
research
progress
field–assisted
photocatalysis,
discussing
phenomena
such
negative
magnetoresistance
effect,
Lorentz
force,
spin
polarization.
It
comprehensively
analyzes
effect
on
critical
processes
in
photocatalysis:
light
absorption,
charge‐carrier
separation,
surface
reactions.
In
particular,
this
review
focuses
spin‐relaxation
mechanism,
explains
how
electron
lifetime
is
extended
polarization,
proposes
design
strategies
spin‐polarized
materials.
Finally,
discusses
challenges
opportunities
enhancing
The
ultimate
objective
offer
notable
theoretical
experimental
insights
that
can
guide
development
high‐performance
photocatalysts
systems.
Abstract
Electrochemical
hydrogen
evolution
reaction
(HER)
from
water
splitting
driven
by
renewable
energy
is
considered
a
promising
method
for
large‐scale
production,
and
as
an
alternative
to
noble‐metal
electrocatalysts,
molybdenum
carbide
(Mo
2
C)
has
exhibited
effective
HER
performance.
However,
the
strong
bonding
strength
of
intermediate
adsorbed
H
(
ads
)
with
Mo
active
site
slows
down
kinetics
C.
Herein,
using
phase‐transition
strategy,
hexagonal
β‐Mo
C
could
be
easily
transferred
cubic
δ‐Mo
through
electron
injection
triggered
tungsten
(W)
doping,
heterointerface‐rich
C‐based
composites,
including
C,
MoO
,
are
presented.
Experimental
results
density
functional
theory
calculations
reveal
that
W
doping
mainly
contributes
process,
generated
heterointerfaces
dominant
factor
in
inducing
remarkable
accumulation
around
sites,
thus
weakening
Mo─H
coupling.
Wherein,
C/MoO
interface
plays
important
role
optimizing
electronic
structure
3d
orbital
adsorption
Gibbs
free
(Δ
G
H*
),
enabling
these
composites
have
excellent
intrinsic
catalytic
activity
like
low
overpotential
η
10
=
99.8
mV),
small
Tafel
slope
(60.16
dec
−1
good
stability
1
m
KOH.
This
work
sheds
light
on
engineering
offers
convenient
route
construct
production.
