Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(35)
Published: June 25, 2024
The
ongoing
tide
of
spent
lithium-ion
batteries
(LIBs)
urgently
calls
for
high-value
output
in
efficient
recycling.
Recently,
direct
regeneration
has
emerged
as
a
novel
recycling
strategy
but
fails
to
repair
the
irreversible
morphology
and
structure
damage
highly
degraded
polycrystalline
layered
oxide
materials.
Here,
this
work
carries
out
solid-state
upcycling
study
severely
cracked
LiNi
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: May 14, 2024
Abstract
Sustainable
battery
recycling
is
essential
for
achieving
resource
conservation
and
alleviating
environmental
issues.
Many
open/closed-loop
strategies
critical
metal
or
direct
recovery
aim
at
a
single
component,
the
reuse
of
mixed
cathode
materials
significant
challenge.
To
address
this
barrier,
here
we
propose
an
upcycling
strategy
spent
LiFePO
4
Mn-rich
cathodes
by
structural
design
transition
replacement,
which
uses
green
deep
eutectic
solvent
to
regenerate
high-voltage
polyanionic
material.
This
process
ensures
complete
all
elements
in
can
be
reused.
The
regenerated
LiFe
0.5
Mn
PO
has
increased
mean
voltage
(3.68
V
versus
Li/Li
+
)
energy
density
(559
Wh
kg
–1
compared
with
commercial
(3.38
524
).
proposed
expand
gram-grade
scale
was
also
applicable
recovery,
thus
closed-loop
between
next
generation
materials.
Techno-economic
analysis
shows
that
potentially
high
economic
benefits,
while
providing
sustainable
approach
value-added
utilization
waste
Green Chemistry,
Journal Year:
2024,
Volume and Issue:
26(13), P. 7857 - 7868
Published: Jan. 1, 2024
Deep
learning
model
Conditional
Generative
Adversarial
Network
(CGAN)
was
used
to
design
deep
eutectic
solvent
(DES)
based
green
process
for
lithium-ion
cathode
recycling,
and
the
importance
of
acidity,
coordination,
reducibility
were
quantified.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(44)
Published: May 20, 2024
Abstract
In
recent
years,
the
penetration
rate
of
lithium
iron
phosphate
batteries
in
energy
storage
field
has
surged,
underscoring
pressing
need
to
recycle
retired
LiFePO
4
(LFP)
within
framework
low
carbon
and
sustainable
development.
This
review
first
introduces
economic
benefits
regenerating
LFP
power
development
history
LFP,
establish
necessity
recycling.
Then,
entire
life
cycle
process
failure
mechanism
are
outlined.
The
focus
is
on
highlighting
advantages
direct
recycling
technology
for
materials.
Directly
materials
a
very
promising
solution.
spent
(S‐LFP)
can
not
only
protect
environment
save
resources,
but
also
directly
add
atoms
vacancies
missing
repair
S‐LFP
At
same
time,
simply
supplementing
simplifies
recovery
improves
benefits.
status
various
methods
then
reviewed
terms
regeneration
process,
principles,
advantages,
challenges.
Additionally,
it
noted
that
currently
its
early
stages,
there
challenges
alternative
directions
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(32)
Published: May 25, 2024
Lithium-ion
batteries
(LIBs)
are
rapidly
developing
into
attractive
energy
storage
technologies.
As
LIBs
gradually
enter
retirement,
their
sustainability
is
starting
to
come
focus.
The
utilization
of
recycled
spent
as
raw
materials
for
battery
manufacturing
imperative
resource
and
environmental
sustainability.
depends
on
the
recycling
process,
whereby
cycling
must
be
maximized
while
minimizing
waste
emissions
consumption.
Although
LIB
technologies
(hydrometallurgy
pyrometallurgy)
have
been
commercialized
a
large
scale,
they
unavoidable
limitations.
They
incompatible
with
circular
economy
principles
because
require
toxic
chemicals,
emit
hazardous
substances,
consume
amounts
energy.
direct
regeneration
degraded
electrode
from
viable
alternative
traditional
nondestructive
repair
technology.
Furthermore,
offers
advantages
such
maximization
value
materials,
use
sustainable,
nontoxic
reagents,
high
potential
profitability,
significant
application
potential.
Therefore,
this
review
aims
investigate
state-of-the-art
that
can
extended
large-scale
applications.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(33)
Published: March 5, 2024
Abstract
Silicon
(Si)
anodes
hold
great
promise
for
enhancing
the
energy
density
of
lithium‐ion
batteries
(LIBs).
However,
issues
such
as
slow
intrinsic
kinetics
and
unstable
interfaces
caused
by
significant
volume
changes
hinder
practical
deployment
Si
anodes.
Fast
charging
is
desired
Si‐related
that
worsen
Li
plating
dead
Li,
making
it
essential
to
overcome
these
safe,
reversible
charging.
Herein,
a
novel
approach
proposed
combining
structural
design
solid
electrolyte
interface
(SEI)
modulation
enable
efficient
safe
fast
LIBs.
3D
porous
micro‐particles
consisting
nanosheets
coated
with
pitch‐based
carbon
layer
are
successfully
prepared.
This
provides
enhanced
ion
transport
pathways
while
maintaining
material's
rate
performance
tap
density.
Furthermore,
designed
localized
high‐concentration
(LHCE)
exhibits
lower
+
desolvation
barrier
leads
formation
LiF‐rich
SEI,
mitigating
“tip
effect”
during
charging,
stability,
demonstrating
high
Coulombic
efficiency.
Overall,
this
study
highlights
synergistic
importance
structure
SEI
regulation
in
LIB
aiding
developing
superior,
storage.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 15, 2024
Abstract
Facing
the
resource
and
environmental
pressures
brought
by
retiring
wave
of
lithium‐ion
batteries
(LIBs),
direct
recycling
methods
are
considered
to
be
next
generation's
solution.
However,
contradiction
between
limited
battery
life
demand
for
rapidly
iterating
technology
forces
recovery
paradigm
shift
toward
“direct
upcycling.”
Herein,
a
closed‐loop
upcycling
strategy
that
converts
waste
current
collector
debris
into
dopants
is
proposed,
highly
inclusive
eutectic
molten
salt
system
utilized
repair
structural
defects
in
degraded
polycrystalline
LiNi
0.83
Co
0.12
Mn
0.05
O
2
cathodes
while
achieving
single‐crystallization
transformation
introducing
Al/Cu
dual‐doping.
Upcycled
materials
can
effectively
overcome
two
key
challenges
at
high
voltages:
strain
accumulation
lattice
oxygen
evolution.
It
exhibits
comprehensive
electrochemical
performance
far
superior
commercial
4.6
V,
especially
its
fast
charging
capability
15
C,
an
impressive
91.1%
capacity
retention
after
200
cycles
1.2
Ah
pouch
cell.
Importantly,
this
approach
demonstrates
broad
applicability
various
spent
layered
cathodes,
particularly
showcasing
value
mixed
cathodes.
This
work
bridges
gap
management
material
enhancement,
offering
sustainable
path
LIBs
production
next‐generation
high‐voltage
