Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 27, 2025
Abstract
Transition
Metal
Phosphides
(TMPs)
are
highly
focused
on
as
electrode
materials
for
their
potential
applications
in
electrochemical
energy
storage
and
conversion
(EESC)
devices
due
to
high
theoretical
capacity,
carrier
mobility,
excellent
chemical
mechanical
stability.
However,
pristine
TMPs
typically
suffer
from
low
device
stability
safety
concerns
sluggish
electronic/ionic
kinetics
volumetric
variation
after
prolonged
cycling.
The
precise
morphological
design
synthesis
of
with
good
dispersity,
novel
assembling
techniques,
mitigation
approaches,
emphasizing
nanoarchitectonics
engineering,
opens
up
new
frontiers
overcome
these
challenges.
This
paper
comprehensively
reviews
state‐of‐the‐art
advances
TMP‐based
key
materials,
focusing
geometric
electronic
structure
modulation,
EESC,
including
rechargeable
batteries,
supercapacitors,
electrocatalysis.
In
the
end,
current
technical
future
research
prospects
nanostructured
have
also
been
presented
EESC
applications.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(33)
Опубликована: Май 1, 2023
Abstract
The
current
research
of
Li–S
batteries
primarily
focuses
on
increasing
the
catalytic
activity
electrocatalysts
to
inhibit
polysulfide
shuttling
and
enhance
redox
kinetics.
However,
stability
is
largely
neglected,
given
premise
that
they
are
stable
over
extended
cycles.
Notably,
reconstruction
during
electrochemical
reaction
process
has
recently
been
proposed.
Such
in
situ
inevitably
leads
varied
electrocatalytic
behaviors,
such
as
sites,
selectivity,
activity,
amounts
sites.
Therefore,
a
crucial
prerequisite
for
design
highly
effective
an
in‐depth
understanding
variation
active
sites
influence
factors
which
not
achieved
fundamental
summary.
This
review
comprehensively
summarizes
recent
advances
behaviors
different
process,
mainly
including
metal
nitrides,
oxides,
selenides,
fluorides,
metals/alloys,
sulfides.
Moreover,
unexplored
issues
major
challenges
chemistry
summarized
prospected.
Based
this
review,
new
perspectives
offered
into
true
batteries.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(9), С. 5307 - 5318
Опубликована: Янв. 1, 2024
A
novel
NbP–NbC
heterostructure
with
interfacial
electric
field
provides
moderate
polysulfide
absorbability
and
further
enhances
the
intrinsic
catalytic
activity
for
Li–S
batteries.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(19), С. 24502 - 24513
Опубликована: Май 6, 2024
The
severe
shuttle
effect
of
polysulfides
(LiPSs)
and
the
slow
liquid–solid
phase
conversion
are
main
obstacles
hindering
practical
application
lithium–sulfur
(Li–S)
batteries.
Separator
modification
with
a
high-activity
catalyst
can
boost
LiPSs
suppress
their
effect.
In
this
work,
multi-heterostructured
MXene/NiS2/Co3S4
rich
S-vacancies
was
constructed
facilely
hydrothermal
high-temperature
annealing
strategy
for
separator
modification.
MXene
sheet
not
only
provides
physical
barrier
but
also
ensures
high
conductivity
adsorption
capacity
catalyst;
dual
active
centers
NiS2
Co3S4
catalyze
conversion.
addition,
vacancies
heterostructures
modulate
electronic
structure
catalyst,
improve
its
intrinsic
activity,
reduce
reaction
barrier,
thus
facilitating
ion/electron
transport
inhibiting
Benefiting
from
these
advantages,
Li–S
battery
modified
exhibits
exciting
discharge
capacities
(1495.4
mAh
g–1
at
0.1C
549.0
6C)
an
excellent
ultra-long
cycle
life
(average
decay
rate
0.026%
2000
cycles
2C);
sulfur
loading
10.0
mg
cm–2,
operates
nearly
80
0.2C,
giving
retention
75.76%.
This
work
The
targeted
synthesis
of
manganese
phosphides
with
target
phase
remains
a
huge
challenge
because
their
various
stoichiometries
and
phase-dependent
physicochemical
properties.
In
this
study,
phosphorus-rich
MnP,
manganese-rich
Mn2
P,
heterostructure
MnP-Mn2
P
nanoparticles
evenly
dispersed
on
porous
carbon
are
accurately
synthesized
by
convenient
one-pot
heat
treatment
phosphate
resin
combined
Mn2+
.
Moreover,
electrochemical
properties
systematically
investigated
as
sulfur
hosts
in
lithium-sulfur
batteries.
Density
functional
theory
calculations
demonstrate
the
superior
adsorption,
catalysis
capabilities,
electrical
conductivity
P/C,
compared
MnP/C
P/C.
P/C@S
exhibits
an
excellent
capacity
763.3
mAh
g-1
at
5
C
decay
rate
only
0.013%
after
2000
cycles.
A
evolution
product
(MnS)
is
detected
during
P/C
polysulfides
redox
through
situ
X-ray
diffraction
Raman
spectroscopy.
At
loading
up
to
8
mg
cm-2
,
achieves
area
6.4
0.2
C.
pouch
cell
cathode
initial
energy
density
360
Wh
kg-1
Abstract
The
development
of
lithium–sulfur
(Li─S)
batteries
has
been
hampered
by
the
shuttling
effect
lithium
polysulfides
(LiPSs).
An
effective
method
to
address
this
issue
is
use
an
electrocatalyst
accelerate
catalytic
conversion
LiPSs.
In
study,
heterogeneous
MnP‐MnO
2
nanoparticles
are
uniformly
synthesized
and
embedded
in
porous
carbon
(MnP‐MnO
/C)
as
core
catalysts
improve
reaction
kinetics
situ
characterization
density
functional
theory
(DFT)
calculations
confirm
that
heterostructure
undergo
surface
sulfidation
during
charge/discharge
process,
forming
MnS
phase.
Surface
catalyst
significantly
accelerated
SRR
Li
S
activation,
effectively
inhibiting
LiPSs
effect.
Consequently,
/C@S
cathode
achieves
outstanding
rate
performance
(10
C,
500
mAh
g
−1
)
ultrahigh
cycling
stability
(0.017%
decay
per
cycle
for
2000
cycles
at
5
C).
A
pouch
cell
with
delivers
a
high
energy
429
Wh
kg
.
This
study
may
provide
new
approach
investigating
electrocatalysts,
which
valuable
advancing
high‐energy‐density
Li−S
batteries.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(6), С. 3711 - 3721
Опубликована: Янв. 1, 2024
Oxygen-incorporated
heterophase
cobalt
vanadium
selenide
nanoplates
with
dense
crystalline/amorphous
interfacial
sites
(DC/A
O-CoVSe
NPs)
are
developed
as
high-efficiency
sulfur
electrocatalysts
for
lithium–sulfur
batteries.
