Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(33), P. 15568 - 15584
Published: Jan. 1, 2024
Converting
waste
lubricating
oil
into
diesel-like
liquid
fuels
using
pyrolysis
presents
a
dual
solution,
addressing
environmental
pollution
while
offering
viable
response
to
the
fossil
energy
crisis.
However,
achieving
high-quality
fuel
with
substantial
yield
necessitates
utilization
of
highly
active
and
cost-effective
catalysts.
We
report
development
Fe-Ni
nanocatalysts,
synthesized
green
approach
supported
on
TiO
Carbon Neutralization,
Journal Year:
2025,
Volume and Issue:
4(1)
Published: Jan. 1, 2025
ABSTRACT
The
Ni/CeO
2
catalyst
stands
out
among
various
solid
metal
oxide
catalysts
for
its
exceptional
catalytic
proficiency,
positioning
it
as
a
prime
candidate
the
industrialization
of
methanation
processes.
This
review
thoroughly
examines
prevalent
challenges
associated
with
in
reactions,
compiles
current
strategies
to
overcome
these
hurdles,
and
presents
novel
perspectives.
elucidates
structural
characteristics
applications
discusses
synthesis
methods
their
respective
merits
demerits,
explores
reaction
systems
at
both
laboratory
industrial
scales,
clarifies
underlying
mechanisms.
Furthermore,
underscores
mainstream
approaches
enhance
low‐temperature
activity
mitigate
decrement
due
Ni
agglomeration.
concludes
by
proposing
future
directions
improving
preventing
deactivation,
encompassing
development
innovative
architectures,
integrating
in‐situ
characterization
theoretical
calculations,
investigating
photothermal
systems.
Undoubtedly,
scientific
researchers
will
persistently
strive
develop
high
across
broad
temperature
range
robust
stability,
driving
CO
technology
foreseeable
future.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 22, 2025
Microdroplet
chemistry
has
attracted
much
attention
owing
to
its
ability
accelerate
otherwise
slow
reactions
and
trigger
thermodynamically
forbidden
reactions.
The
cause
of
this
unique
behavior
is
the
intrinsic
properties
droplets,
such
as
spontaneously
generated
electric
field
on
droplet
surface.
However,
some
have
argued
that
generation
methods
provided
energy
reactions,
different
interfaces
droplets
contact
also
played
important
roles;
therefore,
it
activation
or
environment,
not
properties,
responsible
for
observed
chemistry.
In
study,
we
used
adiabatic
expansion
dry
ice
in
water
generate
homogeneous,
contactless,
supercooled,
unactivated
microdroplets.
A
large
variety
were
successfully
tested.
We
opine
activation,
are
microdroplet
Green Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Emerging
technologies-empowered
thermochemical
plastic
valorization
is
developed
for
value-added
products
in
green
and
practical
manner,
which
are
beneficial
to
achieving
circular
economy
several
UN
sustainable
development
goals.
Industrial & Engineering Chemistry Research,
Journal Year:
2024,
Volume and Issue:
63(45), P. 19398 - 19417
Published: Nov. 4, 2024
Atmospheric
CO2
concentrations
keep
increasing
at
intensifying
rates
due
to
rising
energy
and
material
demands.
The
chemical
production
industry
is
a
large
consumer,
responsible
for
up
935
Mt
of
emissions
per
year,
decarbonization
its
major
goal
moving
forward.
One
the
primary
sources
consumption
in
sector
associated
with
use
heat
synthesis,
which
conventionally
was
generated
through
combustion
fossil
fuels.
To
address
this
grand
challenge,
Joule
heating
has
emerged
as
an
alternative
method
that
greatly
increases
process
efficiency,
reducing
both
greenhouse
gas
emissions.
In
Review,
we
discuss
key
concepts
govern
these
processes
including
selection
reactor
design,
well
current
state-of-the-art
literature
employing
synthesize
commodity
chemicals
along
advanced
materials
such
graphene,
metal
species,
carbides.
Finally,
provide
perspective
on
future
research
avenues
within
field,
can
facilitate
widespread
adoption
decarbonizing
industrial
processes.
Metal–support
interactions
(MSI)
play
a
crucial
role
in
enhancing
the
catalytic
activity
and
stability
of
metal
catalysts
by
establishing
stable
metal-oxide
interface.
However,
precisely
controlling
MSI
at
atomic
scale
remains
significant
challenge,
as
how
to
construct
an
optimal
is
still
not
fully
understood:
Both
insufficient
excessive
showed
inferior
performance.
In
this
study,
we
propose
finely
tuning
using
temporal-precise
transient
high-temperature
pulse
heating.
Using
Pt/CeO2
model
system,
systematically
investigate
variations
duration
atmosphere
influence
reconstruction
metal–support
interface
MSIs.
This
leads
formation
two
distinct
types
MSI:
(1)
strong
(SMSI,
Pt@CeO2)
(2)
reactive
(RMSI,
Pt5Ce@CeO2),
each
with
unique
compositions,
structures,
electrochemical
behaviors.
Notably,
Pt5Ce@CeO2
RMSI
exhibits
remarkable
performance
alkaline
hydrogen
evolution,
showing
overpotential
−29
mV
operation
for
over
300
h
−10
mA·cm–2.
Theoretical
studies
reveal
that
alloying
Pt
Ce
form
Pt5Ce
modifies
electronic
structure
Pt,
shifting
d-band
center
optimize
adsorption
dissociation
intermediates,
thereby
reducing
reaction
energy
barrier.
Moreover,
intimate
interaction
CeO2
further
improves
stability.
Our
strategy
enables
precise,
stepwise,
controllable
regulation
MSIs,
providing
insights
development
highly
efficient
durable
heterostructured
wide
range
applications.
Small Methods,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 16, 2025
Abstract
The
application
of
lithium‐ion
batteries
challenges
environmental
sustainability
and
calls
for
efficient
recycling
toward
circular
economics.
Hydrometallurgical
recycling,
despite
being
commercialized,
still
faces
such
as
harsh
chemicals,
high
secondary
waste
generation,
low
efficiencies.
Intuitively,
higher
temperature
leads
to
exponentially
reaction
kinetics
(following
Arrhenius's
law),
yet
the
dissolution
is
limited
below
100
°C
while
heating
solution
means
more
energy
consumption.
This
study
presents
a
laser‐assisted
wet
leaching
(Laser‐WL)
method
that
enables
decoupled
particle/solution
temperatures,
where
cathode
particles
are
effectively
heated
by
laser
adsorption
(30
W)
accelerate
(7–10
fold)
remains
cool
saving.
Besides,
physical
ablation
helps
remove
robust
solid
electrolyte
interface
cracks
expose
active
materials,
shortening
diffusion
pathways
further
enhancing
kinetics.
Therefore,
Laser‐WL
can
achieve
an
extraction
rate
95.6%
in
15
min
(traditional
>3
h).
It
reduced
consumption
concentrated
HCl
87%,
water
27%.
applicable
various
materials
works
weak
acids,
thus
presenting
sustainable
economically
viable
metal
recycling.
