Boosting the high rate and durability of lithium–sulfur batteries using a bidirectional catalyst of a polyoxometalate-cyclodextrin supramolecular compound
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(6), С. 1710 - 1723
Опубликована: Янв. 1, 2024
PW
12
and
CD
in
-CD
supramolecular
compound
synergetically
anchor
polysulfides.
bidirectionally
catalyzes
polysulfides
conversion,
accompanied
by
reversible
transformation
between
reduction
oxidation
states.
Язык: Английский
Insights into the application of cerium dioxide nanoparticle-modified cobalt phosphide as an efficient electrocatalyst for high-performance lithium–sulfur batteries
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(20), С. 6928 - 6939
Опубликована: Янв. 1, 2024
The
introduction
of
cerium
oxide
into
cobalt
phosphide
can
significantly
regulate
the
electronic
structure,
modify
catalytic
activity
and
finally
enhance
electrochemical
performance
lithium–sulfur
batteries.
Язык: Английский
Superior-performance lithium–sulfur batteries: a face-centered-cubic-structure high-entropy alloy improves the bidirectional catalytic conversion of polysulfides/sulfides
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(19), С. 6425 - 6437
Опубликована: Янв. 1, 2024
The
CoCuMnMoNi
high-entropy
alloy
constructed
by
thermal
cracking
of
organic
frameworks
as
a
catalytic
intercalation
layer
for
lithium–sulfur
batteries
to
achieve
bi-directional
fast
conversion
polysulfides/sulfides.
Язык: Английский
Interfacial synergy in twinborn CoS2/CoS1.097 heterojunction to promote sulfur conversion kinetics in lithium-sulfur batteries
Haiyang Xing,
Pu Yang,
Yao Niu
и другие.
Chemical Engineering Journal,
Год журнала:
2024,
Номер
unknown, С. 158265 - 158265
Опубликована: Дек. 1, 2024
Язык: Английский
Incorporation of Mo2C nanoparticles to pollen-derived 3D porous carbon as electrocatalyst for high performance lithium-sulfur batteries
Journal of Energy Storage,
Год журнала:
2024,
Номер
102, С. 114218 - 114218
Опубликована: Окт. 18, 2024
Язык: Английский
Transforming Waste into Valuable Resources: Mo2C Nanoparticles Modified Waste Pinecone-Derived Carbon as an Effective Sulfur Host for Lithium–Sulfur Batteries
Materials,
Год журнала:
2025,
Номер
18(5), С. 1141 - 1141
Опубликована: Март 4, 2025
In
this
paper,
the
natural
waste
pinecone
as
a
carbon
precursor
for
generation
of
satisfactory
sulfur
host
materials
in
lithium-sulfur
batteries
was
realized
by
introducing
molybdenum
carbide
nanoparticles
into
derived
structure.
The
conductive
pinecone-derived
doped
with
N,
O
reveals
an
expansive
specific
surface
area,
facilitating
accommodation
higher
load.
Moreover,
integration
Mo2C
also
significantly
enhances
its
chemical
affinity
and
catalytic
capacity
polysulfides
(LiPSs)
to
alleviate
shuttle
effect
accelerate
redox
conversion.
As
result,
WPC-Mo2C/S
electrode
displays
excellent
electrochemical
performance,
including
low
decay
rate
0.074%
per
cycle
during
600
cycles
at
1
C
outstanding
(631.2
mAh
g-1
3
C).
high
loading
5.5
mg
cm-2,
shows
area
5.1
cm-2
after
60
0.2
C.
Язык: Английский
Unveiling Mechanistic Material Manipulation in Functional Separators for Metal Sulfur Batteries: Progress and Prospects
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 15, 2025
Abstract
Metal‐sulfur
batteries
(MSBs)
are
emerging
energy
storage
candidates
due
to
their
high
density,
cost‐effective
nature,
and
environmental
compatibility.
However,
polysulfide
shuttling,
slow
kinetics,
dendritic
issues
severely
plague
nexus
stage
from
academic
commercial
applications.
Inspired
by
the
low
cost
higher
capacity
of
metal
sulfur
batteries,
numerous
strategies,
electrode
design
separator
modification,
developed
eliminate
these
challenges
on
practical
grounds.
Among
them,
functionalizing
separators
hold
great
promise
stabilize
battery
operation
mechanistically
in
terms
safety,
stability,
electrochemical
benchmarks,
as
existing
polyolefin
designs
cannot
fully
satisfy
complex
chemistry
polysulfides.
This
review
first
discusses
critical
with
associated
mechanistic
approaches
better
describe
requirement
for
material
manipulation
design.
Furthermore,
role
modulated
functional
materials
is
critically
highlighted
screened
synergistically
achieve
an
advanced
recent
four‐year
plethora
separators.
Finally,
future
directions
outlined
research.
will
offer
a
comprehensive
reference
new
paths
designing
modulating
advancing
high‐energy‐density
systems.
Язык: Английский
High-Entropy Metal Oxide-Coated Carbon Cloth as Catalysts for Long-Life Li–S Batteries
Langmuir,
Год журнала:
2024,
Номер
40(22), С. 11626 - 11634
Опубликована: Май 23, 2024
Lithium-sulfur
(Li-S)
batteries
with
high
specific
energy
density,
low
cost,
and
environmental
friendliness
of
sulfur
have
been
regarded
as
a
competitive
alternative
to
replace
lithium-ion
batteries.
However,
the
shuttle
effect
sluggish
conversion
rate
lithium
polysulfides
(LiPSs)
seriously
limited
practical
application
Li-S
Herein,
high-entropy
oxides
grown
on
carbon
cloth
(CC/HEO)
are
synthesized
by
simple
ultrafast
solution
combustion
method
for
cathode.
The
as-prepared
composites
possess
abundant
HEO
active
sites
strong
interaction
LiPSs,
which
can
significantly
promote
redox
kinetics.
Besides,
fiber
substrate
not
only
ensures
electrical
conductivity
but
also
accommodates
large
volume
change,
leading
stable
electrochemistry.
Benefiting
from
rational
design,
CC/HEO
cathode
skeleton
exhibits
good
cyclability
capacity
decay
0.057%
per
cycle
after
1000
cycles
at
2
C.
More
importantly,
4.3
mg
cm
Язык: Английский
Preparation and application research of transition metal phosphides
Journal of Physics Conference Series,
Год журнала:
2024,
Номер
2720(1), С. 012014 - 012014
Опубликована: Март 1, 2024
Abstract
Due
to
the
serious
environmental
pollution
in
world,
shortcut
harmonious
development
is
improve
traditional
disposable
energy
and
identify
new
sources
that
can
be
utilized.
The
current
problem
human
society
must
solve
discover
use
efficient
inexhaustible
sources,
among
which
electrolytic
water
technology
an
effective
way
develop
clean
energy.
In
recent
years,
researchers
have
focused
on
producing
hydrogen
by
electrolyzed
water,
but
intermediate
evolution
reaction
oxygen
are
relatively
slow
kinetic
processes,
they
cannot
give
factory
a
large
range
of
production
work
push
down
commercialization
process,
so
improving
rate
process
catalyst.
Transition
metal
phosphide
one
non-precious
catalysts
electrochemical
reaction.
promote
rapid
change
chemical
rate,
it
has
characteristics
being
cheap
easy
operate
great
prospect
electrolysis
water.
this
experiment,
performance
was
optimized
based
crystal
surface
regulation
cobalt-doped
transition
nickel
phosphide.
optimal
reduction
time
small
overpotential
(60
mV)
were
obtained
using
sodium
borohydride
reduce
sample.
Язык: Английский
High Entropy Metal Oxides Coated Carbon Cloth as Multifunctional Sulfur Host for Long-Life Li-S Batteries
Опубликована: Янв. 1, 2023
Lithium-sulfur
(Li-S)
batteries
with
high
specific
energy
density,
low
cost,
and
environmental-friendly
of
sulfur
have
been
regarded
as
a
competitive
alternative
to
replace
lithium-ion
batteries.
However,
the
shuttle
effect
sluggish
conversion
rate
lithium
polysulfides
(LiPSs)
seriously
limited
practical
application
Li-S
Herein,
entropy
oxides
grown
on
carbon
cloth
(CC/HEO)
is
synthesized
by
simple
an
ultrafast
solution
combustion
method
host.
The
prepared
composites
possess
abundant
HEO
active
sites
for
strong
interaction
LiPSs,
which
can
significantly
promote
redox
kinetics.
Besides,
fiber
substrate
not
only
ensures
electrical
conductivity
but
also
accommodate
large
volume
change,
leading
stable
electrochemistry.
Benefiting
from
rational
design,
CC/HEO
cathode
skeleton
exhibits
good
cyclability
capacity
decay
0.057%
per
cycle
after
1000
cycles
at
2
C.
More
importantly,
4.3
mg
cm-2
loading
still
retain
retention
78.2%
100
cycles.
Язык: Английский