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.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 16, 2025
With
the
rapid
development
of
graphene
industry,
low-cost
sustainable
synthesis
monolayer
oxide
(GO)
has
become
more
and
important
for
many
applications
such
as
water
desalination,
thermal
management,
energy
storage
functional
composites.
Compared
to
conventional
chemical
oxidation
methods,
electrolytic
graphite-intercalation-compound
(GIC)
shows
significant
advantages
in
environmental-friendliness,
safety
efficiency,
but
suffers
from
non-uniform
oxidation,
typically
~50
wt.%
yield
with
~50%
monolayers.
Here,
we
show
that
water-induced
deintercalation
GIC
is
responsible
method.
Using
in-situ
experiments,
control
principles
diffusion
governing
electrochemical
are
revealed.
Based
on
these
principles,
a
liquid
membrane
electrolysis
method
was
developed
precisely
achieve
dynamic
equilibrium
between
deintercalation,
enabling
industrial
uniform
GO
high
(~180
wt.%)
very
low
cost
(~1/7
Hummers'
methods).
Moreover,
this
allows
precise
structure
by
using
pure
water.
This
work
provides
new
insights
into
role
reaction
graphite
paves
way
GO.
Journal of Materials Chemistry C,
Год журнала:
2024,
Номер
12(37), С. 14729 - 14753
Опубликована: Янв. 1, 2024
This
review
summarizes
the
transformative
impact
of
Joule
heating
on
synthesis
energy
storage
materials
and
their
applications
in
battery
electrodes,
supercapacitors,
solid-state
electrolytes,
electrode
recycling
current
collectors.
Sustainable Energy & Fuels,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
3D
gas
electrodes
with
ultrafine
Pt
nanoparticles
were
fabricated
using
Joule
heating
technique.
The
flexible
Pt@GCA
serve
as
self-supporting
cathodes
for
lithium–carbon
dioxide
batteries,
enabling
highly
reversible
CO
2
conversion.
Mass
transfer
governs
the
overall
catalytic
performance
of
heterogeneous
catalysts
considerably;
however,
this
fundamental
research
has
often
been
ignored.
Here,
macroporous
SiO2-supported
Pt
nanoparticle
(Pt/SiO2-M)
and
mesoporous
(Pt/SiO2-m)
were
specifically
fabricated
by
a
facile
thermal
reduction
step
to
engineer
resultant
nanoparticles
showing
similar
physiochemical
properties
while
possessing
completely
different
porous
microstructures
exclusively
originating
from
SiO2
supports.
On
basis,
platform
explore
crucial
mass
difference
affecting
activity
is
then
established
systematically
practicing
industry-important
benzene
oxidation
measurements.
State-of-the-art
characterization
techniques
confirmed
that
all
as-synthesized
Pt/SiO2
indeed
exhibited
almost
identical
sites,
excluding
discrepancies
raised
nanoparticles.
Importantly,
Pt/SiO2-M
displayed
complete
capabilities
at
lower
temperature
than
for
Pt/SiO2-m,
accrediting
macroporosity-induced
faster
desorption
rate
H2O
CO2,
thus
making
it
capable
enhancing
high
utilization
sites.
This
work
highlights
importance
improving
capability
toward
supported
nanoparticulate
catalysts,
demonstrating
significance
designing
novel
supports
catalysis
implications.
Abstract
Background
Catalyst
synthesis
plays
a
crucial
role
in
advancing
photo
and
electrocatalysis
technologies
for
sustainable
development.
However,
the
traditional
thermal
radiation
heating
method
suffers
from
disadvantages
of
high
energy
consumption,
low
heat
transfer
efficiency,
slow
speed
long
time,
which
leads
to
inefficiency
cost
increases
catalyst
preparation.
Aims
The
Joule‐heating
ultrafast
with
rapid
heating/quenching
shorter
time
has
attracted
much
attention.
Despite
its
potential,
there
is
lack
comprehensive
reviews
specifically
addressing
advanced
electrocatalysts
via
Joule‐heating.
Therefore,
this
review
aims
help
people
quickly
understand
advantages
electrocatalysts.
Discussion
Herein,
we
firstly
introduce
principles
devices
Joule‐heating,
then
discuss
breakthroughs
defect
modulation,
heterojunction
construction,
single‐atom
catalysts,
bimetallic
alloy
high‐entropy
catalysts
metastable
achieved
through
technology.
diverse
applications
these
include
hydrogen
evolution,
oxygen
reduction
reactions,
carbon
dioxide
nitrogen
reaction
degradation
organic
pollutants.
Furthermore,
provides
forward‐looking
perspective
on
future
directions
employing
methods
field
research.
Conclusion
This
highlights
pivotal
played
by
techniques
nanomaterial
as
well
developing
high‐performance
systems.
