Advanced Materials Interfaces,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 22, 2024
Abstract
Capitalizing
on
the
electrochemical
conversion
of
water
into
hydrogen
stands
as
a
pivotal
strategy
in
global
transition
toward
sustainable
energy
sources.
This
study
investigates
influence
A‐site
cation
type
within
A
2
FeNbO
6
double
perovskites
(where
=
Ca,
Sr,
or
Ba)
their
bifunctional
electrocatalytic
activities.
The
performance
is
scrutinized
relation
to
charge
transfer
resistance,
oxygen
vacancy
concentration,
and
metal‐oxygen
covalency.
Among
variants,
Sr
distinguished
optimal
catalyst,
achieving
current
density
10
mA
cm⁻
at
overpotentials
260
mV
for
evolution
reaction
(OER)
176
(HER),
thus
matching
leading
metal
oxide
electrocatalysts.
reveals
pH‐dependent
kinetics
,
indicative
lattice
mechanism
OER.
An
electrolyzer
employing
electrodes
both
anode
cathode
delivers
an
efficient
cell
voltage
1.76
V
complete
alkaline
splitting,
while
also
demonstrating
exceptional
stability.
These
insights
advance
understanding
material
optimization
electrocatalysis
position
viable
catalyst
production
hydrogen.
Carbon Neutralization,
Год журнала:
2024,
Номер
3(4), С. 557 - 583
Опубликована: Май 8, 2024
Abstract
Currently,
the
concentration
of
carbon
dioxide
(CO
2
)
has
exceeded
400
ppm
in
atmosphere.
Thus,
there
is
an
urgent
need
to
explore
CO
reduction
and
utilization
technologies.
Photocatalytic
technology
can
convert
valuable
hydrocarbons
(CH
4
,
CH
3
OH,
C
H
5
etc.),
realizing
conversion
solar
energy
chemical
as
well
solving
problems
fossil
fuel
shortage
global
warming.
Graphitic
nitride
(g‐C
N
),
a
two‐dimensional
nonmetallic
semiconductor
material,
shows
great
potential
field
photoreduction
due
its
moderate
bandgap,
easy
synthesis
method,
low
cost,
visible
light
response
properties.
This
review
elaborates
research
progress
g‐C
‐based
photocatalysts
for
photocatalytic
reduction.
The
modification
strategies
(e.g.,
morphology
engineering,
elemental
doping,
crystallinity
modulation,
cocatalyst
modification,
constructing
heterojunction)
application
have
been
discussed
detail.
Finally,
challenges
development
prospects
materials
are
presented.
Water
electrolysis
driven
by
"green
electricity"
is
an
ideal
technology
to
realize
energy
conversion
and
store
renewable
into
hydrogen.
With
the
development
of
proton
exchange
membrane
(PEM),
water
in
acidic
media
suitable
for
many
situations
with
outstanding
advantage
high
gas
purity
has
attracted
significant
attention.
Compared
hydrogen
evolution
reaction
(HER)
electrolysis,
oxygen
(OER)
a
kinetic
sluggish
process
that
needs
higher
overpotential.
Especially
media,
OER
poses
requirements
electrocatalysts,
such
as
efficiency,
stability
low
costs.
This
review
focuses
on
electrocatalysis,
mechanisms,
critical
parameters
used
evaluate
performance.
modification
strategies
applied
design
construction
new-type
electrocatalysts
are
also
summarized.
The
characteristics
traditional
noble
metal-based
metal-free
developed
recent
decades
compared
discussed.
Finally,
current
challenges
most
promising
presented,
together
perspective
future
electrolysis.
In
the
dynamic
realm
of
energy
conversion,
demand
for
efficient
electrocatalysis
has
surged
due
to
urgent
need
seamlessly
integrate
renewable
energy.
Traditional
electrocatalyst
preparation
faces
challenges
like
poor
controllability,
elevated
costs,
and
stringent
operational
conditions.
The
introduction
microwave
strategies
represents
a
transformative
shift,
offering
rapid
response,
high-temperature
energy,
superior
controllability.
Notably,
non-liquid-phase
advanced
technology
holds
promise
introducing
novel
models
discoveries
compared
traditional
liquid-phase
methods.
This
review
examines
nuanced
applications
in
structural
engineering,
emphasizing
its
pivotal
role
paradigm
addressing
conventional
ensuing
discussion
explores
profound
impact
on
highlighting
discernible
advantages
optimizing
performance.
Various
techniques
are
comprehensively
discussed,
providing
forward-looking
perspective
their
untapped
potential
propel
strides
research.
It
provides
perspective,
delving
into
microwaves
Green Chemistry,
Год журнала:
2024,
Номер
26(9), С. 5326 - 5338
Опубликована: Янв. 1, 2024
To
obtain
high
catalytic
activity
and
stability
for
commercial
green
hydrogen
generation
without
requiring
extra
energy,
NiFeHCF@NF
was
synthesized
using
a
unique
all-in-one
approach.
Virtual and Physical Prototyping,
Год журнала:
2025,
Номер
20(1)
Опубликована: Фев. 6, 2025
Extreme
low-temperature
environments,
such
as
those
in
aerospace,
polar
expeditions,
and
deep-sea
exploration,
demand
efficient
energy
storage
systems.
Conventional
technologies
face
major
limitations
under
these
conditions,
including
electrolyte
freezing,
restricted
interfacial
reaction
kinetics,
microstructural
instability.
In
contrast,
3D
printing
offers
transformative
solutions
with
precise
control,
multifunctional
material
integration,
optimisation,
effectively
addressing
challenges
related
to
compatibility
structural
complexity.
However,
the
mechanisms
for
optimising
performance
remain
poorly
understood,
of
processes
materials
needs
further
exploration.
Moreover,
comprehensive
integration
materials,
processes,
device
designs
remains
an
ongoing
challenge.
This
review
systematically
summarises
key
their
characteristics
storage,
exploring
potential
pathways
through
which
enhances
performance.
Particular
emphasis
is
placed
on
its
unique
applications
design,
engineering,
multi-material
coupling.
Unlike
studies
focused
single
or
technologies,
this
adopts
interdisciplinary
systematic
framework,
linking
properties
optimisation.
It
provides
critical
theoretical
guidance
practical
insights
advancing
scientific
understanding
engineering
extreme
technologies.
In
the
dynamic
landscape
of
energy
storage
materials,
demand
for
efficient
microstructural
engineering
has
surged,
driven
by
imperative
to
seamlessly
integrate
renewable
energy.
Traditional
material
preparation
methods
encounter
challenges
such
as
poor
controllability,
high
costs,
and
stringent
operational
conditions.
The
advent
microwave
techniques
heralds
a
transformative
shift,
offering
rapid
responses,
high-temperature
energy,
superior
controllability.
This
review
critically
examines
nuanced
applications
technology
in
tailoring
microstructure
emphasizing
its
pivotal
role
paradigm
addressing
posed
conventional
methods.
Notably,
non-liquid-phase
advanced
holds
promise
introducing
novel
models
discoveries
compared
traditional
liquid-phase
ensuing
discussion
explores
profound
impact
strategies
on
engineering,
highlighting
discernible
advantages
optimizing
performance
applications.
Various
this
domain
are
comprehensively
discussed,
providing
forward-looking
perspective
their
untapped
potential
propel
strides
research.
offers
insights
into
promising
future
leveraging
microwaves
materials.
Amidst
the
urgent
demand
for
carbon-neutral
strategies,
electrocatalytic
hydrogen
evolution
reaction
(HER)
has
garnered
significant
attention
as
an
efficient
and
environmentally
friendly
energy
conversion
pathway.
Non-precious
metal
layered
transition
carbides,
particularly
various
modified
two-dimensional
molybdenum
carbides
(2D
Mo2C),
have
emerged
promising
HER
catalysts
due
to
their
superior
intrinsic
catalytic
activity.
While
common
non-metal
doping
strategies
been
widely
employed
enhance
electronic
configuration
bulk/interface
activity,
mechanism
of
performance
dependence
on
doping-induced
in
2D
Mo2C
remains
unclear,
especially
more
complex
binary
or
ternary
configurations.
To
address
issue
uncontrollable
atom
percentages
conventional
methods,
herein,
we
propose
a
strategy
rapidly
synthesizing
highly
tunable
multielement-doped
using
microwave
pulse-assisted
synthesis.
By
designing
configurations
with
similar
atomic
ratios,
delve
into
impact
mechanisms
Mo2C,
phosphorus
potentially
exerting
most
positive
influence.
Furthermore,
leveraging
unique
thermodynamic
kinetic
advantages
microwaves,
this
approach
efficiently
prevents
potential
side
reactions
associated
multi-element
doping,
enabling
rapid
precise
synthesis
ternary-doped
Mo2C.
The
synthesized
same
ratios
P,N,S-Mo2C)
exhibits
outstanding
performance.
This
method
not
only
offers
novel
precisely
non-metallic
TMCs
but
also
provides
insights
theoretical
structure-activity
other
structures.
Applied Physics Reviews,
Год журнала:
2024,
Номер
11(4)
Опубликована: Ноя. 6, 2024
The
rapid
pace
of
technology
and
increasing
energy
demands
underscore
the
urgent
need
for
eco-friendly
materials
with
exceptional
conversion
storage
capabilities.
Two-dimensional
(2D)
materials,
characterized
by
unique
physicochemical
properties,
hold
great
promise
in
renewable
conversion,
catalysis,
electronics.
Nevertheless,
conventional
synthesis
methods
often
falter
balancing
high
quality,
yield,
cost-effectiveness,
presenting
substantial
obstacles
to
their
large-scale
application.
Microwave-assisted
synthesis,
its
efficient
process,
emerges
as
a
promising
approach
surmount
these
limitations.
This
review
meticulously
examines
pivotal
role
microwave-assisted
preparation
2D
highlighting
profound
impact
on
enhancing
material
quality
production
efficiency.
By
scrutinizing
physical
properties
microwaves
applications
elucidates
innovative
contributions
microwave
science.
Furthermore,
it
delves
into
intricate
influence
parameter
control
process
resultant
offering
insight
potential
precise
modulation
structure
functionality.
comprehensive
analysis
underscores
viable
solution
overcoming
current
challenges,
thereby
advancing
development
high-performance
materials.
