Batteries,
Journal Year:
2024,
Volume and Issue:
10(12), P. 447 - 447
Published: Dec. 17, 2024
The
development
of
high
energy
and
power
density
sodium-ion
batteries
(SIBs)
has
attracted
increasing
interest
in
the
last
two
decades
due
to
abundance
cost-effectiveness
sodium
resources.
Herein,
this
study
developed
a
self-templating
synthetic
method
construct
MoSe2
nanosheets
which
were
intercalated
by
ZnSe
nanoparticles
anchored
on
situ
reduced
graphene
oxide
layers.
thus-fabricated
composites
exhibited
excellent
Coulombic
efficiency,
remarkable
rate
capability
an
exceptionally
long
cycle
life
when
being
utilized
as
anode
SIBs.
Specifically,
reversible
capacity
265
mAh
g−1
was
achieved
at
20
A
g−1,
could
be
maintained
for
6400
cycles.
At
ultra-high
30.0
retained
235
after
9500
Such
strong
performance
attributed
its
unique
porous
structure
synergistic
interactions
multi-components.
underlying
storage
mechanism
further
investigated
through
various
techniques
such
X-ray
diffraction
spectroscopy,
galvanostatic
intermittent
titration
method,
etc.
Overall,
illustrates
great
potential
clad-structured
multicomponent
hybrids
developing
high-performance
The
design
and
fabrication
of
flexible
anodes
are
crucial
for
advancing
sodium-ion
batteries
(SIBs).
Electrospun
carbon
nanofiber
(CNFs)
composite
electrodes
expected
to
be
an
effective
solution.
Here,
by
beneficial
introduction
appropriate
amount
Nb2O5
nanoparticles
into
pure
CNFs,
the
problem
brittle
stress
concentration
in
CNFs
has
been
significantly
mitigated,
providing
good
mechanical
stability.
However,
both
face
issue
relatively
low
theoretical
capacity,
which
limits
their
application
SIBs.
In
order
address
this
issue,
a
cattail-like
fiber
paper
anode
composed
Nb2O5/MoS2/C
is
developed
fabricated
study.
With
aid
synergetic
effects,
it
delivers
specific
capacity
302.68
mA
h
g–1
at
0.1
A
higher
than
that
(156.14
g–1).
Additionally,
shows
highest
reversible
266.43
after
100
cycles
contrasted
(154.09
g–1)
MoS2
(127.37
anodes.
relevant
kinetic
mechanism
was
revealed
analyzing
pseudocapacitive
sodium
storage
behavior
calculations.
This
work
offers
strategy
developing
high-performance
SIB
anode.
Batteries,
Journal Year:
2024,
Volume and Issue:
10(12), P. 447 - 447
Published: Dec. 17, 2024
The
development
of
high
energy
and
power
density
sodium-ion
batteries
(SIBs)
has
attracted
increasing
interest
in
the
last
two
decades
due
to
abundance
cost-effectiveness
sodium
resources.
Herein,
this
study
developed
a
self-templating
synthetic
method
construct
MoSe2
nanosheets
which
were
intercalated
by
ZnSe
nanoparticles
anchored
on
situ
reduced
graphene
oxide
layers.
thus-fabricated
composites
exhibited
excellent
Coulombic
efficiency,
remarkable
rate
capability
an
exceptionally
long
cycle
life
when
being
utilized
as
anode
SIBs.
Specifically,
reversible
capacity
265
mAh
g−1
was
achieved
at
20
A
g−1,
could
be
maintained
for
6400
cycles.
At
ultra-high
30.0
retained
235
after
9500
Such
strong
performance
attributed
its
unique
porous
structure
synergistic
interactions
multi-components.
underlying
storage
mechanism
further
investigated
through
various
techniques
such
X-ray
diffraction
spectroscopy,
galvanostatic
intermittent
titration
method,
etc.
Overall,
illustrates
great
potential
clad-structured
multicomponent
hybrids
developing
high-performance
