Angewandte Chemie,
Год журнала:
2023,
Номер
136(5)
Опубликована: Дек. 13, 2023
Abstract
Compensating
the
irreversible
loss
of
limited
active
lithium
(Li)
is
essentially
important
for
improving
energy‐density
and
cycle‐life
practical
Li‐ion
battery
full‐cell,
especially
after
employing
high‐capacity
but
low
initial
coulombic
efficiency
anode
candidates.
Introducing
prelithiation
agent
can
provide
additional
Li
source
such
compensation.
Herein,
we
precisely
implant
trace
Co
(extracted
from
transition
metal
oxide)
into
site
2
O,
obtaining
(Li
0.66
0.11
□
0.23
)
O
(CLO)
cathode
agent.
The
synergistic
formation
vacancies
Co‐derived
catalysis
efficiently
enhance
inherent
conductivity
weaken
Li−O
interaction
which
facilitates
its
anionic
oxidation
to
peroxo/superoxo
species
gaseous
,
achieving
1642.7
mAh/g
~Li2O
capacity
(≈980
agent).
Coupled
6.5
wt
%
CLO‐based
with
LiCoO
cathode,
substantial
stored
within
CLO
released
compensate
consumption
on
SiO/C
anode,
270
Wh/kg
pouch‐type
full‐cell
92
retention
1000
cycles.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 17, 2024
Abstract
Li‐rich
NMCs
layered
oxides,
with
the
general
formula
of
Li[Li
x
Ni
y
Mn
z
Co
1−
−
]O
2
,
are
known
for
their
exceptionally
high
capacities
but
remain
yet
to
be
practicalized
in
real
world.
They
have
attracted
enormous
research
attention
due
complex
structure
and
intriguing
redox
mechanisms,
a
particular
focus
on
anionic
over
past
decade.
While
fundamental
understandings
fruitful,
practical
considerations
emphasized
here
by
providing
perspectives
how
limited
roadblocks
guidelines
cope
these
limitations.
It
is
also
demonstrated
that,
via
techno‐economic
analysis,
material
cost
($/kg)
highly
dependent
lithium
price,
still
preserve
dominance
lower
pack
($/kWh)
than
other
cathode
candidates
principally
owing
larger
energy
densities.
In
addition
pure
application
electric‐vehicle
batteries,
using
them
as
“electrode
additive”
or
“sacrificial
agent”
can
further
multiply
practicalities
assortment
scenarios,
which
discussed.
RSC Advances,
Год журнала:
2025,
Номер
15(2), С. 1249 - 1274
Опубликована: Янв. 1, 2025
This
review
highlights
prelithiation
techniques
to
improve
efficiency
and
stability
in
lithium-ion
batteries,
focusing
on
electrode
materials.
It
evaluates
strategies
enhance
coulombic
cycle
capacity
while
addressing
challenges.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
63(5)
Опубликована: Дек. 13, 2023
Abstract
Compensating
the
irreversible
loss
of
limited
active
lithium
(Li)
is
essentially
important
for
improving
energy‐density
and
cycle‐life
practical
Li‐ion
battery
full‐cell,
especially
after
employing
high‐capacity
but
low
initial
coulombic
efficiency
anode
candidates.
Introducing
prelithiation
agent
can
provide
additional
Li
source
such
compensation.
Herein,
we
precisely
implant
trace
Co
(extracted
from
transition
metal
oxide)
into
site
2
O,
obtaining
(Li
0.66
0.11
□
0.23
)
O
(CLO)
cathode
agent.
The
synergistic
formation
vacancies
Co‐derived
catalysis
efficiently
enhance
inherent
conductivity
weaken
Li−O
interaction
which
facilitates
its
anionic
oxidation
to
peroxo/superoxo
species
gaseous
,
achieving
1642.7
mAh/g
~Li2O
capacity
(≈980
agent).
Coupled
6.5
wt
%
CLO‐based
with
LiCoO
cathode,
substantial
stored
within
CLO
released
compensate
consumption
on
SiO/C
anode,
270
Wh/kg
pouch‐type
full‐cell
92
retention
1000
cycles.
Materials Horizons,
Год журнала:
2024,
Номер
11(9), С. 2053 - 2076
Опубликована: Янв. 1, 2024
The
progress
in
the
development
of
layered
metal
oxide
cathodes,
carbon-based
anodes,
and
electrolytes
for
potassium
ion
batteries
is
reviewed.
Specific
suggestions,
concise
perspectives,
strategies
are
provided.
Batteries & Supercaps,
Год журнала:
2024,
Номер
7(7)
Опубликована: Март 25, 2024
Abstract
Lithium‐ion
batteries
(LIBs)
have
been
widely
used
as
a
new
energy
storage
system
with
high
density
and
long
cycle
life.
However,
the
solid
electrolyte
interface
(SEI)
formed
on
surface
of
anode
consumes
excess
active
lithium
during
initial
cycle,
resulting
in
an
irreversible
capacity
loss
(ICL)
reducing
overall
electrochemical
performance.
To
solve
critical
issue,
pre‐lithiation
technology
has
accepted
one
most
promising
strategies.
Due
to
pre‐lithiated
treatment
provides
additional
compensate
for
ICL
effectively
improves
Coulombic
efficiency
(ICE),
leading
raising
working
voltage,
increasing
Li
+
concentration,
well
improving
stability
LIBs.
In
this
overview,
causes
LIBs
are
analyzed
from
different
perspectives,
various
strategies
systematically
classified
summarized.
Finally,
some
current
problems
development
prospects
field
summarized,
realizing
industrialized
technologies.
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 8, 2025
The
Ag-C
composite
anodes
facilitate
stable
LixAg
deposition
in
solid-state
batteries.
However,
the
role
of
carbon
and
kinetics
lithium
migration
structure
remain
unclear.
Few
studies
have
focused
on
this
critical
research
area
owing
to
a
shortage
effective,
non-destructive
characterization
methods
that
can
directly
observe
Li
alloy
process
batteries
real
time.
In
study,
formation
anode
is
investigated
through
operando
X-ray
diffraction
(XRD)
analysis
scanning
electron
microscopy
combined
with
situ
probing.
This
enables
observation
composition
morphology
as
it
evolves
within
during
discharge.
Further
insights
from
transmission
microscopy-electron
energy
loss
spectroscopy
first-principles
simulations
lithiophilicity
barrier
for
reveal
complex
mechanism
anode.
