Batteries & Supercaps,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 18, 2024
Abstract
Carbon
black
is
commonly
used
as
a
conductive
additive
for
lithium‐ion
battery
(LIB)
electrodes
owing
to
its
high
electrical
conductivity
and
cost‐effectiveness.
However,
the
role
of
traditional
additives
has
been
limited
imparting
electrode.
In
this
study,
we
investigate
effect
incorporating
Sn
nanoparticles,
which
form
an
alloy
with
lithium,
into
carbon
matrix
(Sn@C)
enhancing
lithium
storage
capacity.
This
approach
combines
active
material
successfully
demonstrates
utilization
Sn@C
“active”
LIBs.
synthesized
via
plasma
engineering,
wherein
nanoparticles
are
uniformly
dispersed
within
matrix.
When
Sn@C‐500,
annealed
at
500
°C,
in
LIB
half‐cell
graphite
anode,
~10
%
higher
reversible
capacity
than
that
commercial
(Super
P)
achieved.
Further,
electrochemical
impedance
spectroscopy
studies
reveal
Sn@C‐500
exhibits
lower
internal
resistance
Super
P,
confirming
effectivity
providing
Our
results
open
up
possibilities
improving
performance
anodes
LIBs
using
Sn‐doped
additive.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(20), P. 12015 - 12025
Published: Jan. 1, 2024
Closed
pore
architectures
with
exceptional
Na-storage
performance
have
been
successfully
fabricated
from
ultra-micropores
the
assistance
of
polypropylene.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(22), P. 8478 - 8487
Published: Jan. 1, 2024
Hard
carbon
(HC)
is
one
of
the
most
promising
anode
materials
for
sodium-ion
batteries
(SIBs)
due
to
its
cost-effectiveness
and
low-voltage
plateau
capacity.
Heteroatom
doping
considered
as
an
effective
strategy
improve
sodium
storage
capacity
HC.
However,
previous
heteroatom
strategies
are
performed
at
a
relatively
low
temperature,
which
could
not
be
utilized
raise
Moreover,
extra
heteroatoms
create
new
defects,
leading
initial
coulombic
efficiency
(ICE).
Herein,
we
propose
repair
based
on
trace
amount
P
achieve
high
along
with
ICE.
By
employing
cross-linked
interaction
between
glucose
phytic
acid
in
situ
doped
spherical
hard
carbon,
obtained
PHC-0.2
possesses
large
interlayer
space
that
facilitates
Na+
transportation.
In
addition,
suitable
some
defects
layers.
When
used
material
SIBs,
exhibits
enhanced
reversible
343
mA
h
g-1
20
ICE
92%.
Full
cells
consisting
Na2Fe0.5Mn0.5[Fe(CN)6]
cathode
exhibited
average
potential
3.1
V
discharge
255
85%.
The
full
cell
displays
excellent
cycling
stability
retention
80.3%
after
170
cycles.
This
method
simple
low-cost,
can
extended
other
energy
materials.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(22), P. 3071 - 3074
Published: Jan. 1, 2024
Sucrose-derived
micro
spherical
hard
carbon
with
diverse
porosity
and
closed
pores
exhibits
an
excellent
reversible
capacity
of
251
mA
h
g
−1
at
1C
retention
84%
after
500
cycles.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(8), P. 7368 - 7378
Published: April 1, 2024
Hard
carbons
are
particularly
suitable
as
negative
electrodes
for
sodium-ion
batteries
(SIBs).
To
produce
hard
carbon
particles
with
better
sodium
storage
performance,
such
specific
capacity,
Coulombic
efficiency,
and
cycling
stability,
a
precursor
preparation
strategy
must
be
developed.
In
this
paper,
we
present
new
that
is
created
by
carbonizing
jackfruit
seed
wastes.
Under
various
high-temperature
treatment
pretreatment
settings,
wastes
have
been
processed.
As
the
carbonization
temperature
increased,
became
more
graphitized.
At
same
time,
had
great
effect
on
how
much
could
stored
reversibly.
Structural
characterization
of
produced
at
temperatures
revealed
variance
in
their
architectures,
illuminating
relationship
between
capacity
increase
size
storage-available
microspores.
The
(HC)
optimized
condition
(1200
°C)
delivered
an
improved
than
221
mA
h
g–1
exceptional
stability
98.8%
over
100
cycles
rate
performance
relying
reversible
insertion.
existence
naturally
occurring
nitrogen
atoms,
textural
characteristics,
Na+
adsorption-insertion
into
disordered
layers
can
explain
Na+-ion
occurs
developed
HCs.
Our
study
offers
environmentally
friendly
method
turning
waste
potential
low-cost
yet
highly
efficient
anode
material
SIBs.
Green Chemistry,
Journal Year:
2024,
Volume and Issue:
26(11), P. 6643 - 6655
Published: Jan. 1, 2024
Preparation
of
a
high
adhesion
and
dispersibility
sodium
carboxymethyl
cellulose/sodium
lignosulfonate(CMC/LS)
water-soluble
binder
elucidated
the
impact
functional
groups
on
electrode
interface.
The Journal of Physical Chemistry C,
Journal Year:
2024,
Volume and Issue:
128(16), P. 6581 - 6589
Published: April 10, 2024
Carbon
aerogels
with
high
conductivity,
low
cost,
and
hierarchically
porous
structure
are
considered
promising
electrode
materials
for
energy
storage.
Heteroatom
doping
as
an
efficient
strategy
to
regulate
the
electronic
expose
more
active
sites
shows
great
potential
improve
storage
performance.
Herein,
a
kind
of
novel
N,
P,
S-tridoped
coal-derived
carbon
aerogel
(N-P-S-DCA)
high-performance
supercapacitors
was
successfully
synthesized
via
modified
sol–gel
carbonization
processes.
Adding
S
sources
significantly
modulates
morphology
increases
defect
contents.
Profiting
from
hierarchical
pore
structure,
heteroatom
doping,
specific
surface
area,
prepared
exhibits
excellent
capacitance
(433
F/g)
cyclic
stability
(88.2%
after
5000
cycles).
Furthermore,
assembled
N-P-S-DCAs//AC
device
14.5
Wh/kg
density
at
power
899
W/kg.
This
work
not
only
provides
facile
designing
structures
multiple
but
also
demonstrates
significance
tridoping
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(20), P. 11857 - 11866
Published: Jan. 1, 2024
A
high-density
carboxylic
acid
containing
water-soluble
polymer
binder,
poly(hydroxycarbonylmethylene),
enhances
the
specific
capacity,
rate
capability
and
initial
coulombic
efficiency
of
hard
carbon
electrode
in
sodium-ion
batteries.
