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.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 9, 2025
Amorphous
carbon,
particularly
hard
carbon
(HC),
is
widely
considered
as
the
most
promising
anode
material
for
sodium-ion
batteries
(SIBs)
due
to
its
high
reversible
capacity
and
cost-effectiveness.
However,
complex
poorly
defined
structural
properties
of
HC
present
challenges
in
understanding
underlying
sodium
storage
mechanisms.
To
facilitate
rational
design
high-performance
anodes,
a
comprehensive
correlation
between
microstructure
behavior
critical.
This
Review
critically
examines
interplay
features
capabilities,
focusing
on
two
key
factors:
pore
structure
surface
functional
groups.
It
begins
by
outlining
fundamental
mechanisms
HC,
followed
an
in-depth
discussion
how
chemistry
influence
storage.
Finally,
strategic
insights
are
provided
manipulate
these
factors
optimize
performance.
aims
drive
development
next-generation
anodes
support
commercialization
SIBs.
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.