Flash Joule heating for synthesis, upcycling and remediation
Опубликована: Янв. 15, 2025
Язык: Английский
Flash Joule Heating: A Promising Method for Preparing Heterostructure Catalysts to Inhibit Polysulfide Shuttling in Li–S Batteries
Advanced Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 16, 2024
The
"shuttle
effect"
issue
severely
hinders
the
practical
application
of
lithium-sulfur
(Li-S)
batteries,
which
is
primarily
caused
by
significant
accumulation
lithium
polysulfides
in
electrolyte.
Designing
effective
catalysts
highly
desired
for
enhancing
polysulfide
conversion
to
address
above
issue.
Here,
one-step
flash-Joule-heating
route
employed
synthesize
a
W-W
Язык: Английский
A Review of the Application of Metal-Based Heterostructures in Lithium–Sulfur Batteries
Catalysts,
Год журнала:
2025,
Номер
15(2), С. 106 - 106
Опубликована: Янв. 22, 2025
Lithium–sulfur
(Li-S)
batteries
are
recognized
as
a
promising
alternative
in
the
energy
storage
domain
due
to
their
high
theoretical
density,
environmental
friendliness,
and
cost-effectiveness.
However,
challenges
such
polysulfide
dissolution,
low
conductivity
of
sulfur,
limited
cycling
stability
hinder
widespread
application.
To
address
these
issues,
incorporation
heterostructured
metallic
substrates
into
Li-S
has
emerged
pivotal
strategy,
enhancing
electrochemical
performance
by
facilitating
better
adsorption
catalysis.
This
review
delineates
modifications
made
cathode
separator
through
heterostructures.
We
categorize
heterostructures
three
classifications:
single
metals
metal
compounds,
MXene
materials
paired
with
formed
entirely
compounds.
Each
category
is
systematically
examined
for
its
contributions
behavior
efficiency
batteries.
The
evaluated
both
contexts,
revealing
significant
improvements
lithium-ion
retention.
Our
findings
suggest
that
strategic
design
can
not
only
mitigate
inherent
limitations
but
also
pave
way
development
high-performance
systems.
Язык: Английский
High Temperature Shock (HTS) Synthesis of Carbon‐Based Nanomaterials for Electrochemical Applications
Carbon Neutralization,
Год журнала:
2025,
Номер
4(1)
Опубликована: Янв. 1, 2025
ABSTRACT
Carbon‐based
nanomaterials
play
a
significant
role
in
the
field
of
electrochemistry
because
their
outstanding
electrical
conductivity,
chemical
and
thermal
resistance,
structural
flexibility,
so
on.
In
recent
years,
we
have
observed
rapid
rise
research
interest
high‐temperature
shock
(HTS)
method,
which
is
fast,
stable,
environmentally
friendly,
versatile.
The
HTS
method
offers
excellent
controllability
repeatability
while
tackling
challenges
limitations
traditional
preparation
methods,
providing
new
way
to
prepare
optimize
carbon‐based
for
electrochemical
applications.
During
synthesis,
reaction
driven
by
high
temperature
further
growth
obtained
nanoparticles
inhibited
heating
cooling
rates.
has
many
advantages,
including
controlled
carbon
vacancy
that
may
drive
phase
transformation,
precise
engineering
carbon,
other
defects
function
as
active
centers,
formation
preservation
metastable
owing
energy
cooling,
fine‐tuning
interaction
between
loaded
species
support
optimized
performance,
facile
doping
compounding
induce
synergy
different
constituents.
This
article
provides
comprehensive
review
various
prepared
applications
during
past
decade,
emphasizing
synthesis
principles
performance.
Studies
showcasing
merits
HTS‐derived
advancing
Lithium‐ion
batteries,
Lithium‐sulfur
Lithium‐air
water‐splitting
reaction,
oxygen
reduction
CO
2
nitrate
electrocatalytic
reactions,
fuel
cells
are
highlighted.
Finally,
prospects
recommended.
Язык: Английский
Ten‐Electron Count Rule of MXene‐Supported Single‐Atom Catalysts for Sulfur Reduction in Lithium–Sulfur Batteries
Carbon Neutralization,
Год журнала:
2025,
Номер
4(3)
Опубликована: Апрель 16, 2025
ABSTRACT
Lithium–sulfur
(Li–S)
batteries
are
proposed
as
next‐generation
energy
storage
devices
due
to
their
high
theoretical
capacity
and
specific
energy.
However,
the
actual
utilization
is
greatly
limited
by
poor
reactivity
of
sulfur
reduction
reaction
(SRR),
which
motivates
us
develop
corresponding
high‐efficient
catalysts.
Inspired
application
MXene
single‐atom
catalysts
(SACs)
in
improving
SRR,
a
virtual
screening
on
MXene‐supported
SACs
from
imp2d
database
carried
out.
Finally,
six
kinds
top
identified
for
most
them
can
be
considered
variants
previous
representative
SRR
catalysts,
reflects
rationality
our
screening.
Meanwhile,
stability
metrics
calculated
density
functional
theory
(DFT)
show
obvious
trends
depending
type
adatom/MXene.
For
critical
intermediate
binding
that
tune
activity,
further
electronic
structure
analysis
reveals
so‐called
10‐electron
count
rule,
whose
decisive
role
also
reflected
Shapley
value
machine
learning
(ML).
It
noteworthy
this
rule
was
used
analyze
hydrogen/carbon/nitrogen‐related
reactions
before,
successful
attempt
optimize
indicates
its
universality
catalysis
fields.
Overall,
not
only
rationalizes
nature
SAC–adsorbate
interactions
but
provides
intuitive
design
guidance
novel
Язык: Английский
Recent Advances in Modification Strategies and Renewable Energy Applications of Tungsten-based Nanomaterials
Teng Wang,
Renquan Hu,
Wei Hao
и другие.
Nano Energy,
Год журнала:
2024,
Номер
133, С. 110468 - 110468
Опубликована: Ноя. 14, 2024
Язык: Английский
Progress and perspectives of rapid Joule heating for the preparation of highly efficient catalysts
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.
Язык: Английский
Nickel‐Based Hollow Spheres with Optimized Interfacial Electronic Structures by Highly Dispersed MoN for Efficient Urea Electrolysis
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 29, 2024
Abstract
Ni‐Mo‐based
catalysts
that
exhibit
well‐synergized
and
readily
accessible
catalytic
sites
are
ideal
for
achieving
efficient
electrocatalysis.
Herein,
the
synthesis
of
hollow
Ni
spheres
with
a
hierarchical
nanosheet
surface
modified
by
highly
dispersed
MoN
urea
electrolysis
is
reported.
This
based
on
design
Mo‐Ni
precursors
featuring
array
surface,
achieved
through
phosphomolybdic
acid
(PMo
12
)‐mediated
reconstruction
Ni‐BTC
spheres.
The
optimized
MoN‐Ni
catalyst
can
effectively
drive
both
oxidation
reaction
(UOR)
hydrogen
evolution
at
low
potentials
1.37
V
191
mV,
respectively,
current
density
100
mA
cm
−2
.
electrolytic
cell
utilizing
these
sustain
voltage
1.53
operate
continuously
over
220
h.
X‐ray
photoelectron
spectroscopy
(XPS)
functional
theory
(DFT)
analyses
demonstrate
established
built‐in
electric
field
facilitates
electron
transfer
from
to
Ni,
optimizing
d‐band
center
consequently
reducing
barrier
UOR.
In
situ
electrochemical
impedance
(EIS)
in
Fourier‐transform
infrared
indicate
promotes
formation
high‐valent
sites,
which
accelerates
UOR
eletrolysis
more
environmentally
friendly
“carbonate”
pathway.
Язык: Английский