Carbon Energy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 22, 2025
ABSTRACT
Lithium‐ion
batteries
(LIBs)
suffer
from
float
charge
failure
in
the
grid‐scale
storage
market.
However,
lack
of
a
unified
descriptor
for
diverse
reasons
behind
poses
challenge.
Here,
quantitative
analysis
active
lithium
loss
is
conducted
across
multiple
temperatures
into
Li(Ni
0.5
Co
0.2
Mn
0.3
)O
2
–graphite
batteries.
It
proposed
that
can
be
used
as
to
describe
quantitatively.
Approximately
6.88%
and
0.96%
are
lost
due
solid
electrolyte
interphase
thickening
deposition,
which
primary
secondary
reasons,
respectively.
These
findings
confirmed
by
X‐ray
photoelectron
spectroscopy
depth
profiling,
scanning
electron
microscope,
accelerating
rate
calorimeter.
Titration‐gas
chromatography
nuclear
magnetic
resonance
utilized
quantitatively
analyze
loss.
Additionally,
decomposition
at
high
also
contributes
loss,
determined
Auger
spectrum
nondestructive
ultrasound
measurements.
Notably,
no
detected
cathode
relatively
low
working
voltage
charge.
suggest
inhibiting
an
efficient
way
delaying
during
high‐temperature
processes
LIBs.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(8), P. 7389 - 7398
Published: April 3, 2024
Biomass-derived
hard
carbon
exhibits
remarkable
potential
as
an
anode
material
for
sodium-ion
batteries
(SIBs)
owing
to
its
inexpensive
cost,
availability
of
resources,
and
excellent
electrochemical
performance.
However,
the
relatively
low
initial
Coulombic
efficiency
(ICE)
significantly
confines
realistic
application
materials
in
SIBs.
In
this
work,
corncob-derived
(CDHC)
were
synthesized
from
biomass
waste
corncob.
It
has
been
found
that
interlayer
spacing
is
greater
than
0.37
nm,
which
clearly
surpasses
layer
graphite.
This
larger
favorable
intercalation
deintercalation
ability
sodium
ions
during
charging
discharging
processes.
When
CDHC
applied
by
batteries,
it
shows
storage
performance,
with
a
maximum
reversible
capacity
approximately
311
mAh
g–1
first
close
80%.
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.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(13), P. 15649 - 15656
Published: March 25, 2024
Iron-based
Prussian
white
(PW)
is
one
of
the
promising
cathodes
for
sodium-ion
batteries,
owing
to
its
high
capacity
and
low
cost.
However,
practical
application
PW
hindered
by
poor
air
stability.
The
metal-oxide
coating
has
been
proven
be
an
effective
way
improve
stability
electrode
materials.
Whereas,
target
materials
conventionally
need
dissolved
in
aqueous
solution
obtain
precursor
composites
subsequently
calcined
at
a
temperature
during
process,
which
could
destroy
phase
structure
as
result
sodium
leaching
into
water
thermal
decomposition
temperature.
In
this
work,
we
propose
facile
method
construct
ZnO
surface
layer
on
utilizing
ethanol
solvent
mild
post-treatment
effectively
enhances
induces
formation
stable
interface
PW.
PW-5
wt
%
ZnO-E
(exposed
60%
humidity
after
30
days)
cathode
demonstrates
much
higher
retention
(94.1%)
1
C
200
cycles
than
that
PW-E
(54%).
This
work
lays
solid
foundation
further
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 24, 2024
Abstract
Owing
to
the
abundant
reserves
and
low
cost,
sodium‐ion
batteries
(SIBs)
have
garnered
unprecedented
attention.
However,
their
widespread
adoption
is
hindered
by
scarcity
of
alternative
anodes
with
fast‐charging
capability
high
stability.
To
overcome
this
challenge,
a
SIB
anode,
N‐doped
Bi/BiOCl
embedded
in
carbon
framework
(Bi/BiOCl@NC)
fast
Na
+
transport
channel
ultra‐high
structural
stability,
developed.
During
cycling
ether
electrolyte,
Bi/BiOCl@NC
undergoes
remarkable
transformation
into
3D
porous
skeleton,
which
significantly
reduces
pathway
accommodates
volume
changes.
By
employing
density
functional
theory
calculations
simulate
storage
behavior
structure,
theoretically
characterized
barrier
(0.056
eV)
outstanding
electronic
conductivity.
Such
unique
characteristics
induce
anode
an
capacity
410
mAh·g
−1
at
20
A·g
exhibit
stability
over
2300
cycles
10
.
This
study
provides
rational
scenario
for
design
will
enlighten
more
advanced
research
promote
exploitation
SIBs.
Carbon Energy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 19, 2025
ABSTRACT
Hard
carbons
are
promising
anode
materials
for
sodium‐ion
batteries
(SIBs),
but
they
face
challenges
in
balancing
rate
capability,
specific
capacity,
and
initial
Coulombic
efficiency
(ICE).
Direct
pyrolysis
of
the
precursor
often
fails
to
create
a
suitable
structure
storage.
Molecular‐level
control
graphitization
with
open
channels
Na
+
ions
is
crucial
high‐performance
hard
carbon,
whereas
closed
pores
play
key
role
improving
low‐voltage
(<
0.1
V)
plateau
capacity
carbon
anodes
SIBs.
However,
creation
these
presents
significant
challenges.
This
work
proposes
zinc
gluconate‐assisted
catalytic
carbonization
strategy
regulate
numerous
nanopores
simultaneously.
As
temperature
increases,
trace
amounts
remain
as
single
atoms
featuring
uniform
coordination
structure.
mitigates
risk
electrochemically
irreversible
sites
enhances
transport
rates.
The
resulting
shows
an
excellent
reversible
348.5
mAh
g
−1
at
30
mA
high
ICE
92.84%.
Furthermore,
sodium
storage
mechanism
involving
“adsorption–intercalation–pore
filling”
elucidated,
providing
insights
into
pore
dynamic
pore‐filling
process.
Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 11, 2024
Abstract
Metal
selenides
have
received
extensive
research
attention
as
anode
materials
for
batteries
due
to
their
high
theoretical
capacity.
However,
significant
volume
expansion
and
slow
ion
migration
rate
result
in
poor
cycling
stability
suboptimal
performance.
To
address
these
issues,
the
present
work
utilized
multivalent
iron
ions
construct
fast
pathways
similar
superionic
conductors
(Fe‐SSC)
introduced
corresponding
selenium
vacancies
enhance
its
Based
on
first‐principles
calculations
molecular
dynamics
simulations,
it
is
demonstrated
that
addition
of
presence
reduced
material's
function
adsorption
energy,
lowered
barriers,
enhances
Li
+
Na
.
In
Li‐ion
half
batteries,
this
composite
material
exhibites
reversible
capacity
1048.3
mAh
g
−1
at
0.1
A
after
100
cycles
483.6
5.0
1000
cycles.
Na‐ion
687.7
200
325.9
It
proven
based
Fe‐SSC
great
applications
both
batteries.
