Sustainability,
Год журнала:
2025,
Номер
17(3), С. 838 - 838
Опубликована: Янв. 21, 2025
To
promote
sustainability
and
reduce
the
ecological
footprint
of
recycling
processes,
this
study
develops
an
analytical
tool
for
fast
accurate
identification
components
in
photovoltaic
panels
(PVs)
Li-Ion
battery
waste,
optimizing
material
recovery
minimizing
resource
wastage.
The
laser-induced
breakdown
spectroscopy
(LIBS)
technique
was
selected
employed
to
identify
fluoropolymers
back
sheets
determine
thickness
layers
containing
fluorine.
LIBS
also
used
batteries
reveal
elemental
composition
anode,
cathode,
separator
materials.
analysis
not
only
revealed
all
elements
contained
electrodes
but
also,
case
cathode
materials,
allowed
distinguishing
a
single-component
(cathode
A
LiCoO2)
from
multi-component
materials
B
mixture
LiMn2O4
LiNi0.5Mn1.5O4).
results
were
verified
using
SEM-EDS
XRD
examination.
Additionally,
indirect
method
identifying
(polytetrafluoroethylene
(PTFE)
or
poly(vinylidene
fluoride)
(PVDF))
prepare
dispersions
proposed
according
differences
wettability
both
polymers.
By
enabling
efficient
separation,
advances
sustainable
practices,
supporting
circular
economy
goals
renewable
energy
sector.
Chemical Society Reviews,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Fundamentals
of
battery
recycling
play
a
vital
role
in
addressing
the
challenges
posed
by
spent
lithium-ion
batteries
providing
theoretical
foundation
and
technical
tools
necessary
for
efficient
LIBs.
Energies,
Год журнала:
2025,
Номер
18(2), С. 398 - 398
Опубликована: Янв. 17, 2025
The
growing
demand
for
lithium,
driven
by
its
crucial
role
in
energy
storage
technologies
such
as
lithium-ion
batteries
electric
vehicles,
renewable
storage,
and
portable
electronics,
is
intensifying
the
need
sustainable
extraction
methods.
While
lithium
sourced
from
both
primary
secondary
resources,
particularly
recycled
materials,
recovery
spent
remains
challenging.
This
article
presents
acidic
reductive
leaching
a
promising
alternative
sources
unconventional
ores,
emphasizing
potential
benefits,
higher
rates,
faster
processing,
adaptability
to
various
waste
materials.
Notably,
this
method
facilitates
selective
of
before
cobalt
nickel,
providing
strategic
advantage.
study
highlights
lack
optimization
studies
on
conditions
(e.g.,
acid
concentration,
reducing
agents,
temperature,
time)
that
could
maximize
while
minimizing
environmental
economic
costs.
aims
investigate
optimize
parameters
more
efficient
recovery.
Additionally,
results
contribute
principles
circular
economy
supply
chains
sector,
reduce
dependency
geopolitically
constrained
resources
supporting
global
transition
toward
cleaner
solutions.
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
147(9), С. 7624 - 7633
Опубликована: Фев. 24, 2025
The
rapid
expansion
in
lithium
battery
production
and
disposal
presents
considerable
sustainability
challenges,
emphasizing
the
critical
need
for
recycling.
However,
current
methods
predominantly
focus
on
metals
from
cathodes,
while
electrolytes
have
rarely
been
recycled.
Here,
we
propose
an
innovative
closed-loop
design
solid
polymer
(SPEs),
enabled
by
reversible
catalysis
of
bis(trifluoromethane)
sulfonimide
(LiTFSI)
both
polymerization
depolymerization.
formation
a
hydrogen-bonded
adduct
between
TFSI-
alcohol
initiates
situ
ring-opening
Li+-activated
trimethylene
carbonate
(TMC),
generating
well-defined
SPEs.
With
delicate
structural
optimization,
SPE
achieves
outstanding
ionic
conductivity
1.62
×
10-3
S
cm-1
at
room
temperature
with
robust
high-voltage
stability
up
to
4.7
V.
assembled
Li||NCM811
demonstrates
promising
cycling
88%
capacity
retention
over
100
cycles.
Upon
end-of-life,
LiTFSI
facilitates
selective
depolymerization
polycarbonate-based
180
°C
without
introducing
external
catalysts,
recovering
TMC
monomer
(>90%)
(>98%)
reuse.
This
work
highlights
significant
advance
recyclable
SPEs
vital
step
toward
sustainable
technology.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 9, 2024
Abstract
Polyolefin
separators,
such
as
polypropylene
(PP)
and
polyethylene
(PE)
are
the
commonly
used
separators
for
lithium
batteries,
which
have
good
mechanical
properties
chemical/electrochemical
stability,
but
their
high‐temperature
dimensional
stability
is
poor
Li
+
transference
number
(
t
)
low.
Recently,
much
attention
has
been
paid
to
developing
with
new
substrates,
so
far
there
no
separator
replace
polyolefin
large‐scale
application.
Therefore,
surface
modification
of
enhance
its
functionality
a
simple
effective
method.
Among
many
modified
layers,
porous
layer
can
store
electrolyte
provide
enough
space
ion
transport.
In
this
work,
hollow
mesoporous
silica
nanosphere
(mSiO
2
prepared
PP
multifunctional
coating
improve
electrochemical
performance
safety
separator.
The
experimental
theoretical
results
show
that
mSiO
not
only
wettability
separator,
also
promote
transport,
/PP
exhibits
high
ionic
conductivity
(2.35
mS
cm
−1
(0.63).
As
result,
Li//LiFePO
4
cells
using
exhibit
excellent
cycling
performance,
rate
safety.
