Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 16, 2025
Abstract
Proton
exchange
membrane
water
electrolysis
is
one
of
the
most
promising
techniques
for
industrial
green
hydrogen
production.
However,
electrocatalysts
production
have
suffered
from
low
activity
and
poor
durability
in
acidic
environment.
Here
an
integrated
electrode
composed
N‐doped
carbon‐coated
high‐entropy
nanowires
(HEA
NWs)
anchored
on
a
single‐walled
carbon
nanotube
(SWCNT)
network
reported
efficient
stable
evolution
reaction
(HER).
The
residue
surfactant
remaining
HEA
NWs
prepared
by
wet
chemistry
method
transformed
to
layer
when
fast
heating
loaded
SWCNT
film,
which
firmly
connects
ultrathin
with
bundles.
When
used
as
electrode,
hybrid
film
showed
not
only
overpotential
42
mV
at
100
mA
cm
−2
HER
but
also
excellent
up
1000
h
500
acid
solution.
desirable
performance
attributed
hierarchical
structure
where
1D
function
regulating
adsorption
H
*
,
facilitating
electron
transfer,
protecting
degradation.
Accounts of Chemical Research,
Journal Year:
2024,
Volume and Issue:
57(15), P. 2093 - 2104
Published: June 26, 2024
ConspectusLithium-sulfur
batteries
(LSBs),
recognized
for
their
high
energy
density
and
cost-effectiveness,
offer
significant
potential
advancement
in
storage.
However,
widespread
deployment
remains
hindered
by
challenges
such
as
sluggish
reaction
kinetics
the
shuttle
effect
of
lithium
polysulfides
(LiPSs).
By
introduction
catalytic
materials,
effective
adsorption
LiPSs,
smooth
surface
migration
behavior,
significantly
reduced
conversion
barriers
are
expected
to
be
achieved,
thereby
sharpening
electrochemical
fundamentally
addressing
aforementioned
challenges.
driven
practical
application
targets,
demand
higher
loadings
electrolyte
parameters
inevitably
exacerbates
burden
on
materials
during
service.
Additionally,
given
that
contribute
negligible
capacity,
incorporation
increases
mass
nonactive
components
reducing
LSBs.
A
meticulous
insight
into
lithium-sulfur
reveals
LiPSs
is
dominated
active
sites
surfaces
materials.
These
microregions
provide
necessary
electron
ion
transport
with
efficacy
quantity
directly
impacting
efficiency.
In
light
these
considerations,
strategic
optimization
emerges
a
paramount
pathway
toward
promoting
performance
LSBs
while
concurrently
mitigating
unnecessary
mass.
Here,
we
outline
three
strategies
developed
our
group
optimize
materials:
(1)
Augmenting
customizing
structural
modulation
precise
dimensional
control
maximize
exposure.
Emphasis
has
been
placed
approaches
material
synthesis
essence
reactions
achieving
this
strategy.
(2)
Regulating
microenvironment
integrating
coordination
refinement,
long-range
atomic
interactions,
metal-support
other
electronic
regulation
strategies,
providing
an
elevation
intrinsic
performance.
(3)
Implementing
self-cleaning
mechanism
counteract
deactivation
designing
tandem
adsorption-migration-transformation
sulfur
contained
within
molecular
domain.
Throughout
process,
mechanisms
driving
enhancement
through
site
have
prominently
emphasized,
which
encompass
aspects
structure,
composition,
configuration
expand
comprehension
Li-S
chemistry.
Subsequently,
considerations
demanding
heightened
attention
future
processes
delineated,
including
situ
evolution
patterns
resistance
poisoning
sites.
It
noteworthy
similarity
between
catalysis
chemistry
traditional
electrocatalytic
processes,
Account
elucidates
concept
drawing
insights
from
representative
works
own
field
electrocatalysis,
relatively
rare
previous
reviews
The
proposed
uncovering
introducing
innovative
ideas
optimization,
ultimately
advancing
stability
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 25, 2024
Precisely
controlling
the
microstructure
of
supported
metal
catalysts
and
regulating
metal-support
interactions
at
atomic
level
are
essential
for
achieving
highly
efficient
heterogeneous
catalysts.
Strong
interaction
(SMSI)
not
only
stabilizes
nanoparticles
improves
their
resistance
to
sintering
but
also
modulates
electrical
between
species
support,
optimizing
catalytic
activity
selectivity.
Therefore,
understating
formation
mechanism
SMSI
its
dynamic
evolution
during
chemical
reaction
scale
is
crucial
guiding
structural
design
performance
optimization
Recent
advancements
in
situ
transmission
electron
microscopy
(TEM)
have
shed
new
light
on
these
complex
phenomena,
providing
deeper
insights
into
dynamics.
Here,
research
progress
TEM
investigation
catalysis
systematically
reviewed,
focusing
dynamics,
reactions,
regulation
methods
SMSI.
The
significant
advantages
technologies
highlighted.
Moreover,
challenges
probable
development
paths
studies
provided.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
This
systematic
and
comprehensive
review
summarizes
the
synthetic
strategies,
structural/compositional
features,
physicochemical
properties,
energy
applications
of
carbon
encapsulated
nanoparticles
as
efficient
electrocatalysts
electrodes.
