The Chemical Record,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Abstract
Electrocatalysts
play
a
pivotal
role
in
various
energy
conversion
processes,
such
as
water
splitting,
batteries,
carbon
dioxide
reduction,
and
fuel
cell
reactions,
by
significantly
reducing
the
barrier
enhancing
reaction
kinetics.
This
review
highlights
potential
of
earth‐abundant
electrocatalysts,
with
particular
focus
on
their
capabilities
critical
electrochemical
including
oxygen
evolution
reaction,
reduction
hydrogen
reaction.
Emphasis
is
also
placed
bifunctional,
trifunctional,
tetrafunctional
performance,
showcasing
adaptability
effectiveness
across
diverse
applications.
Exploration
done
range
promising
materials,
transition
metal
chalcogenides,
MXenes,
metal‐organic
frameworks,
covalent
organic
layered
double
hydroxides.
By
examining
intrinsic
properties,
structural
versatility,
surface
engineering
strategies,
this
sheds
light
factors
that
govern
catalytic
efficiency
stability.
The
integration
experimental
advancements
theoretical
insights
provides
deeper
understanding
mechanisms
driving
activity.
Additionally,
we
address
scalability,
cost‐effectiveness,
environmental
impact
these
underlining
for
large‐scale
deployment.
synthesizing
recent
progress
identifying
challenges,
work
delivers
roadmap
model
application
multifunctional
fostering
innovations
align
goals
sustainable
systems.
ACS Materials Letters,
Год журнала:
2025,
Номер
unknown, С. 465 - 488
Опубликована: Янв. 3, 2025
Metal–organic
frameworks
(MOFs)
boast
high
crystallinity,
porosity,
and
tunability,
making
them
highly
promising
materials
for
various
applications.
However,
most
MOFs
are
intrinsically
electrical
insulators,
limiting
their
use
in
electronic
energy
technologies.
Electrically
conductive
metal–organic
(EC-MOFs)
have
emerged
as
a
subclass
of
that
overcome
such
limitations
by
imparting
conductivity
while
preserving
the
advantageous
properties
conventional
MOFs.
This
advancement
expands
potential
applications
to
include
electrocatalysts,
capacitors,
storage
devices,
chemiresistive
sensors,
field-effect
transistors,
electrochromic
devices.
challenges
associated
with
processing
solid-state
materials,
fabrication
options
optimal
often
overlooked.
Review
focuses
on
recent
advancements
EC-MOF
applications,
emphasizing
chemical
design
principles
state-of-the-art
techniques.
We
aim
provide
insights
into
designing
fabricating
EC-MOFs
targeted
inspire
further
bridge
chemistry
practical
unlocking
full
EC-MOFs.
Advanced Composites and Hybrid Materials,
Год журнала:
2025,
Номер
8(1)
Опубликована: Янв. 10, 2025
Abstract
The
design
of
novel
composite
nanomaterial
structures
is
important
for
the
construction
advanced
electrocatalysts.
Nevertheless,
obtaining
electrocatalysts
with
excellent
catalytic
activity
and
stability
still
challenging.
Herein,
new
catalysts
a
unique
nanostructure
W-Ni
2
P@NiFe
LDH/NF
composed
W-doped
Ni
P
ultrafine
nanosheets
were
successfully
grown
in
situ
using
NiFe
LDH
nanostructures
as
backbone
support.
newly
produced
showed
distinctive
three-dimensional
spherical
nanostructure,
beneficial
to
enhancing
electron
transport,
providing
abundant
active
sites,
promoting
gas
release.
To
increase
effectiveness,
synergy
interaction
was
among
yield
significantly
improved
reactivity
Compared
P/NF,
as-obtained
spherically-structured
demonstrated
high
efficiencies
toward
OER
(222
mV
@
40
mA⋅cm
−2
),
HER
(195
10
total
electrolysis
(1.7
V
).
Besides,
activities
compared
well
most
published
non-precious
metal
even
valuable
precious
catalysts.
In
sum,
proposed
approach
construct
inexpensive,
high-activity,
stable
bifunctional
looks
promising
future
hydrogen
energy
conversion
applications.
Nano-Micro Letters,
Год журнала:
2025,
Номер
17(1)
Опубликована: Фев. 28, 2025
Abstract
Although
supported
solid
amine
adsorbents
have
attracted
great
attention
for
CO
2
capture,
critical
chemical
deactivation
problems
including
oxidative
degradation
and
urea
formation
severely
restricted
their
practical
applications
flue
gas
capture.
In
this
work,
we
reveal
that
the
nature
of
surface
hydroxyl
groups
(metal
Al–OH
nonmetal
Si–OH)
plays
a
key
role
in
mechanisms.
The
polyethyleneimine
(PEI)
on
Al–OH-containing
substrates
suffers
from
severe
during
capture
step
due
to
breakage
amine-support
hydrogen
bonding
networks,
but
exhibits
an
excellent
anti-urea
feature
by
preventing
dehydration
carbamate
products
under
pure
regeneration
atmosphere.
contrast,
PEI
Si–OH-containing
anti-oxidative
stability
simulated
conditions
forming
robust
protective
network
with
Si–OH,
obvious
step.
We
also
problem
PEI-SBA-15
can
be
avoided
incorporation
OH-containing
PEG
additive.
Based
intrinsic
understanding
mechanisms,
successfully
synthesized
adsorbent
40PEI-20PEG-SBA-15
demonstrates
outstanding
retention
high
capacity
2.45
mmol
g
−1
over
1000
adsorption–desorption
cycles,
together
negligible
loss
aging
(10%
+
5%
O
3%
H
O)
one
month
at
60–70
°C.
believe
work
makes
contribution
advancement
field
ultra-stable
amine-based
materials.
Viologen-based
covalent
organic
networks
represent
a
burgeoning
class
of
materials
distinguished
by
their
captivating
properties.
Here,
supramolecular
chemistry
is
harnessed
to
fabricate
polyrotaxanated
ionic
polymers
(iCOP)
through
Schiff-base
condensation
reaction
under
solvothermal
conditions.
The
between
1,1'-bis(4-aminophenyl)-[4,4'-bipyridine]-1,1'-diium
dichloride
(DPV-NH
