Abstract
“Flash
heating”
that
transiently
generates
high
temperatures
above
1000
°C
has
great
potential
in
synthesizing
new
materials
with
unprecedently
properties.
Up
to
now,
the
realization
of
“flash
still
relies
on
external
power,
which
requires
sophisticated
setups
for
vast
energy
input.
In
this
study,
a
mechanochemically
triggered,
self‐powered
flash
heating
approach
is
proposed
by
harnessing
enthalpy
from
chemical
reactions
themselves.
Through
model
reaction
between
Mg
3
N
2
/carbon
and
P
O
5
,
it
demonstrated
controllable
compatible
conventional
devices.
Benefit
heating,
resulting
product
nanoporous
structure
uniform
distribution
phosphorus
(P)
nanoparticles
carbon
(C)
nanobowls
strong
P─‐C
bonds.
Consequently,
P/C
composite
demonstrates
remarkable
storage
performance
lithium‐ion
batteries,
including
capacity
(1417
mAh
g
−1
at
0.2
A
),
robust
cyclic
stability
(935
after
800
cycles,
91.6%
retention),
high‐rate
capability
(739
20
loading
(3.6
cm
−2
100
cycles),
full
cell
(90%
retention
cycles).
This
work
broadens
concept
can
potentially
find
application
various
fields.
Abstract
A
recent
development
in
catalytic
research,
single‐atom
catalysts
(SACs)
are
one
of
the
most
significant
categories
materials.
During
preparation,
individual
atoms
migrate
and
agglomerate
due
to
high
surface
free
energy.
The
rapid
thermal
shock
strategy
addresses
this
challenge
by
employing
instantaneous
high‐temperature
pulses
synthesize
SACs,
while
minimizing
heating
duration
prevent
metal
aggregation
substrate
degradation,
thereby
preserving
atomic‐level
dispersion.
resultant
SACs
exhibit
exceptional
activity,
remarkable
selectivity,
long‐term
stability,
which
have
attracted
extensive
attention
electrocatalysis.
In
paper,
cutting‐edge
ultrafast
synthesis
techniques
such
as
Joule
heating,
microwave
radiation,
pulsed
discharge,
arc
discharge
comprehensively
analyzed.
Their
ability
is
emphasized
achieve
uniform
dispersion
separated
optimize
activity
for
electrocatalytic
applications.
systematic
summary
synthesized
these
methods
provided,
with
particular
emphasis
on
their
implementation
carbon
dioxide
reduction
reaction
(CO
2
RR),
oxygen
evolution
(OER),
hydrogen
(HER),
(ORR)
systems.
review
provides
an
in‐depth
discussion
trend,
remaining
challenges,
application
prospects
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 27, 2025
Abstract
Electrified
thermal
chemical
synthesis
plays
a
critical
role
in
reducing
energy
consumption
and
enabling
the
industrial
decarbonization.
While
Joule
heating
offers
promising
alternative
to
gas‐burning
furnace
systems
by
directly
substrates
via
renewable
supply,
most
approaches
can
only
heat
reactor,
not
catalytic
sites.
This
limitation
stems
from
lack
of
methods
on‐demand
create
heaters
containing
situ
loaded
nanoparticles.
work
introduces
scalable
platform
for
producing
carbonaceous
embedded
with
nanoparticles
3D‐printed
polypropylene
precursors,
prepared
through
crosslinking,
metal
nitration
immersion,
pyrolysis
steps.
Specifically,
sulfonate
groups
on
crosslinked
PP
bind
ions,
yielding
well‐dispersed,
nanosized
particles
within
carbon
structure
that
maintains
macroscopic
dimensional
accuracy
throughout
manufacturing.
The
approach
is
modular,
allowing
control
over
particle
size
composition.
Structured
nickel
demonstrates
efficient
heating,
high
activity,
significantly
reduced
activation
ammonia
decomposition.
provides
an
innovative
material
manufacturing
produce
structured,
catalytically
active
decarbonization
production.
Abstract
Even
chemically
stable
Pt
and
Ru‐based
catalysts
suffer
from
activity
degradation
under
high‐current
hydrogen
evolution
reaction
(HER)
conditions,
limiting
the
performance
of
water
electrolysis.
Encapsulating
nanoparticles
(NPs)
with
carbon
shells
is
a
promising
way
to
enhance
catalyst
stability.
Herein,
Ru
NPs
encapsulated
in
N‐doped
(Ru@NC)
are
synthesized
via
rapid
microwave‐assisted
pyrolysis
bimetallic
metal‐triazole
framework.
Specifically,
Ru@NC
demonstrates
remarkable
catalytic
performance,
achieving
current
densities
100
1000
mA
cm
−2
overpotentials
only
77
287
mV,
respectively,
1
м
KOH.
Moreover,
it
exhibited
extraordinary
long‐term
stability
toward
HER
(1000
for
500
h),
outperforming
bare
nanoparticle
catalysts.
The
synergistic
effects
protective
shell
metal‐support
interaction
provide
both
physical
confinement
chemical
stabilization,
effectively
preventing
agglomeration
intrinsic
decay.
This
work
introduces
versatile
strategy
preparing
carbon‐shell‐coated
highlights
critical
role
enhancing
HER.
Abstract
Ultrahigh‐temperature
Joule‐heating
of
carbon
nanostructures
opens
up
unique
opportunities
for
property
enhancements
and
expanded
applications.
This
study
employs
rapid
electrical
at
ultrahigh
temperatures
(up
to
3000
K
within
60
s)
induce
a
transformation
in
nanocarbon
aerogels,
resulting
highly
graphitic
structures.
These
aerogels
function
as
versatile
platforms
synthesizing
customizable
metal
oxide
nanoparticles
while
significantly
reducing
emissions
compared
conventional
furnace
heating
methods.
The
thermal
conductivity
the
aerogel,
characterized
by
Umklapp
scattering,
can
be
precisely
adjusted
tuning
temperature.
Utilizing
aerogel's
superhydrophobic
properties
enables
its
practical
application
filtration
systems
efficiently
separating
toxic
halogenated
solvents
from
water.
hierarchically
porous
featuring
high
surface
area
607
m
2
g
−1
,
ensures
uniform
distribution
spacing
embedded
nanoparticles,
offering
considerable
advantages
catalytic
findings
demonstrate
exceptional
performance
oxidative
desulfurization,
achieving
98.9%
conversion
dibenzothiophene
model
fuel.
results
are
corroborated
theoretical
calculations,
surpassing
many
high‐performance
catalysts.
work
highlights
pragmatic
efficient
use
structures
nanoparticle
synthesis
under
temperatures,
with
short
durations.
Its
broad
implications
extend
fields
electrochemistry,
energy
storage,
high‐temperature
sensing.
Materials Horizons,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Functional
catalytic
materials
play
an
important
role
in
environmental,
biological,
energy,
and
other
fields,
wherein
unique
properties
can
be
endowed
through
various
synthesis
strategies.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 26, 2024
Esterification
reactions
are
crucial
in
industries
such
as
chemicals,
fragrances,
and
pharmaceuticals
but
often
face
limitations
due
to
high
reversibility
low
reactivity,
leading
restricted
yields.
In
this
work,
an
electrified
esterification
pathway
utilizing
a
Joule-heated
interfacial
catalysis
(JIC)
system
is
proposed,
where
hydrophilic,
sulfonic
acid-functionalized
covalent
organic
framework
grown
on
carbon
felt
(COF─SO
Abstract
“Flash
heating”
that
transiently
generates
high
temperatures
above
1000
°C
has
great
potential
in
synthesizing
new
materials
with
unprecedently
properties.
Up
to
now,
the
realization
of
“flash
still
relies
on
external
power,
which
requires
sophisticated
setups
for
vast
energy
input.
In
this
study,
a
mechanochemically
triggered,
self‐powered
flash
heating
approach
is
proposed
by
harnessing
enthalpy
from
chemical
reactions
themselves.
Through
model
reaction
between
Mg
3
N
2
/carbon
and
P
O
5
,
it
demonstrated
controllable
compatible
conventional
devices.
Benefit
heating,
resulting
product
nanoporous
structure
uniform
distribution
phosphorus
(P)
nanoparticles
carbon
(C)
nanobowls
strong
P─‐C
bonds.
Consequently,
P/C
composite
demonstrates
remarkable
storage
performance
lithium‐ion
batteries,
including
capacity
(1417
mAh
g
−1
at
0.2
A
),
robust
cyclic
stability
(935
after
800
cycles,
91.6%
retention),
high‐rate
capability
(739
20
loading
(3.6
cm
−2
100
cycles),
full
cell
(90%
retention
cycles).
This
work
broadens
concept
can
potentially
find
application
various
fields.
