Mesoporous carbon materials doped with Co, Fe and nitrogen as oxygen reduction reaction electrocatalysts for anion-exchange membrane fuel cell
Electrochimica Acta,
Год журнала:
2025,
Номер
unknown, С. 146226 - 146226
Опубликована: Апрель 1, 2025
Язык: Английский
Advanced Development of High‐Entropy Alloys in Catalytic Applications
Small Methods,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 15, 2025
Abstract
Conventional
alloys
have
long
been
limited
by
their
simple
compositions,
which
make
it
difficult
to
meet
the
requirements
of
modern
catalysis
applications.
In
contrast,
high‐entropy
(HEAs),
characterized
multi‐principal
elements
in
near‐equimolar
ratios,
become
a
transformative
paradigm
materials
science
since
inception
2004.
The
unique
core
effects
HEAs,
including
effect,
severe‐lattice
distortion
sluggish‐diffusion
and
cocktail
endow
them
with
superior
catalytic
properties
activity,
selectivity,
durability.
However,
rapid
advanced
development
comprehensive
review
applications
is
imperative
foster
deeper
understanding.
this
review,
capability
commencing
from
entropy‐driven
mechanism
HEAs
systematically
explored.
Then,
are
comprehensively
analyzed
diverse
fields,
energy
conversion,
chemical
industries,
environmental
remediation,
emphasizing
remarkable
capabilities
Finally,
pivotal
challenges
outlined
synthesis
methods,
mechanistic
elucidation,
green
manufacturing,
propose
future
directions
such
as
database
establishment
machine‐learning‐assisted
design.
By
addressing
knowledge
gaps
inspiring
innovative
strategies,
aims
accelerate
translation
into
practical
solutions
for
sustainable
future.
Язык: Английский
Microporous poly(aryl piperidinium) hydroxide exchange membranes with multi-directional branched structure for high performance fuel cells
Journal of Colloid and Interface Science,
Год журнала:
2025,
Номер
unknown, С. 137676 - 137676
Опубликована: Апрель 1, 2025
Язык: Английский
Amphoteric Metal Ion‐Coordinated Chitosan Membranes for Efficient Hydroxide Ion Transport
Chemistry - An Asian Journal,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 30, 2025
Hydroxide
exchange
membranes
(HEMs)
have
attracted
extensive
attention
in
energy-related
fields,
such
as
fuel
cells
and
water
electrolysis,
primarily
due
to
their
suitability
for
alkaline
environments.
However,
the
practical
application
of
is
hindered
significantly
by
limited
conductivity.
In
this
study,
a
series
amphoteric
metal
ion-coordinated
chitosan
(CTS-AM)
with
enhanced
hydroxide
ion
conductivity
are
reported.
The
CTS-AM
prepared
using
simple
soaking-drying
method,
exhibiting
excellent
mechanical
strength
thermal
stability
strong
coordination
bonds
between
ions
chains.
To
best
our
knowledge,
Zn2+
coordinated
membrane
achieved
highest-ever
reported
82.0
±
5.4
mS
cm-1
at
25
°C
100%
RH,
value
increasing
301.0
6.7
operating
temperature
(80
°C)
RH.
Through
combined
structural
analysis
theoretical
calculations,
we
propose
that
formation
nanochannels
lowered
barrier
electron
transfer
responsible
high
conductivities
membranes.
This
study
presents
viable
approach
design
fabrication
high-performance
HEMs
energy
storage
devices
other
applications.
Язык: Английский
Polyethylene terephthalate (PET) waste in Electrochemical applications
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
unknown, С. 116823 - 116823
Опубликована: Апрель 1, 2025
Язык: Английский
Holistic nanoarchitectonic design of hierarchically structured oxygen reduction reaction catalyst
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 163959 - 163959
Опубликована: Май 1, 2025
Язык: Английский
Electrochemical Cell Designs for Efficient Carbon Dioxide Reduction and Water Electrolysis: Status and Perspectives
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 30, 2025
Abstract
Integrating
renewable
electricity
and
concentrated
CO
2
from
direct
air
capture,
electrochemical
reduction
reactions
(eCO
RR)
offer
a
promising
pathway
for
converting
into
fuel
chemicals,
enabling
the
closure
of
carbon
loop
in
sustainable
manner.
The
clean
H
produced
via
hydrogen
evolution
reaction
(HER)
during
water
electrolysis
can
replace
traditional
fossil
fuels
without
additional
emissions.
Achieving
large‐scale
high‐efficiency
eCO
RR
HER
requires
development
rational
electrolyzer
designs,
which
are
crucial
industrial
implementation.
This
review
examines
recent
innovations
system
designs
RR,
HER,
latest
advances
situ
cell
operando
characterization
reactions.
It
focuses
on
improvements
flow
patterns,
membrane
electrode
assemblies,
electrolyte
engineering
to
maximize
catalytic
activities
at
level.
Besides,
discusses
optimizing
counter‐anodic
improve
energy
efficiency
electrolysis,
offering
insights
design
systems
with
efficient
utilization.
Furthermore,
it
explores
integration
other
(e.g.,
cells),
highlighting
their
potential
role
decarbonization
future
processes.
Finally,
summary,
challenge,
outlook
industrial‐scale
concluded.
Язык: Английский