ACS Sustainable Chemistry & Engineering,
Journal Year:
2023,
Volume and Issue:
11(32), P. 11834 - 11842
Published: Aug. 1, 2023
As
the
abundance
of
end-of-life
lithium-ion
batteries
continues
to
increase,
it
is
significant
recover
valued
metals
in
an
eco-friendly
way,
yet
this
remains
a
challenge.
Based
on
novel
deep
eutectic
solvent
(DES)
consisting
betaine
hydrochloride
and
lactic
acid,
we
developed
combined
DES–ethanol
selective
separation
process
for
extracting
valuable
from
spent
LiCoO2
batteries,
with
high
efficiency.
This
accomplished
complete
leaching
battery
(LIBs)
cathode
materials
by
DES.
The
lithium
cobalt
was
changing
coordination
environment
transition
metal
ions
DES
using
ethanol.
strategy
also
applicable
LiNixCoyMn1–x–y
different
compositions
efficiently
achieved
stepwise
separation.
Further,
analyzed
depth
detailed
extraction
mechanism.
green
high-efficiency
recycling
promising
candidate
recovering
used
LIBs.
proposed
method
particularly
attractive
due
its
selectivity,
considerable
economic
advantages,
environmental
benefits.
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(19)
Published: Jan. 12, 2024
Abstract
Conversion‐reaction
metal
fluoride
cathodes
have
the
advantages
of
low
cost,
environmental
friendliness,
and
high
energy
density.
However,
their
tailored
synthesis
structure
design
under
safe,
facile,
scalable
conditions
always
been
a
puzzle,
which
limits
popularization
conversion‐type
in
lithium
batteries.
To
address
these
challenges,
here
an
iron
heterostructure
with
FeF
2
3
binary
phases
is
proposed
prepared
by
deep
eutectic
solvent
method
assistance
cobalt
cation
as
oxidization
promoter.
The
compact
heterogeneous
contact
between
tetragonal
hexagonal
tungsten
bronze
enables
promotion
stabilization
interface
charge
transfer
topotactic
conversion
reaction.
narrower
band
gap
,
higher
theoretical
capacity
thermodynamic
potential
synergistically
contribute
to
balance
cycling
reversibility
capacity.
cathode
optimized
molar
ratio
/FeF
can
realize
highly
reversible
≈520
mAh
g
−1
first
tens
cycles
305
after
200
cycles.
typical
two‐stage
reaction
plateaus
are
well
preserved
even
current
density
1000
mA
.
green
strategy
open
new
horizon
for
development
high‐energy‐density
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
Abstract
The
rapid
expansion
of
the
global
economy
has
led
to
a
surge
in
energy
demand,
resulting
significant
environmental
pollution
and
scarcity
due
concomitant
increase
greenhouse
gas
emissions.
advancement
deep
eutectic
solvents
(DESs)
introduced
viable
substitute
for
traditional
processing
methods,
boasting
numerous
intrinsic
benefits,
such
as
superior
eco‐compatibility,
outstanding
thermal
stability,
desirable
electrochemical
properties.
Consequently,
DESs
have
garnered
attention
from
research
community,
demonstrating
broad
spectrum
prospective
applications
variety
fields
instance
energy,
biomass
degradation,
materials
synthesis,
biomedicine.
This
review
aims
offer
comprehensive
methodical
overview
DESs,
encompassing
their
historical
development,
classification,
preparation
methodologies,
fundamental
physicochemical
Furthermore,
this
explores
synthesis
various
functional
examines
multifunctional
roles.
Crucially,
economic
viability
is
thoroughly
examined,
including
an
assessment
cost‐effectiveness
market
potential.
Finally,
concludes
by
outlining
future
directions
development
challenges
that
remain.
Mining,
Journal Year:
2025,
Volume and Issue:
5(1), P. 8 - 8
Published: Jan. 13, 2025
This
paper
focuses
on
the
solvometallurgical
properties
of
choline
chloride-based
deep
eutectic
solvents
for
copper
extraction
from
chalcopyrite
concentrate.
The
study,
conducted
with
scientific
rigor,
utilized
response
surface
methodology
to
optimize
process
and
investigate
effects
temperature
contact
time
recovery
efficiency.
results
showed
that
ChCl-EG-Ox
solvent
at
80
°C
48
h
produced
highest
rate,
exceeding
76%.
underscores
potential
sustainable
metal
extraction.
Kinetic
studies
revealed
influence
dissolution
kinetics,
higher
temperatures
leading
faster
reaction
rates.
mineralogical
analysis
demonstrated
changes
in
concentrate
after
dissolution,
while
spectroscopy
mass
spectrometry
highlighted
esterification
reactions
solvent.
study
also
examined
adding
water
heating
solvent’s
behavior,
providing
insights
into
chemical
interactions
structural
changes.
Ultimately,
research
ChCl-based
present
a
promising
avenue
environmentally
friendly
efficient
processes
metallurgical
industry.
Batteries,
Journal Year:
2025,
Volume and Issue:
11(2), P. 51 - 51
Published: Jan. 28, 2025
This
strategic
review
examines
the
pivotal
role
of
sustainable
methodologies
in
battery
recycling
and
recovery
critical
minerals
from
waste
batteries,
emphasizing
need
to
address
existing
technical
environmental
challenges.
Through
a
systematic
analysis,
it
explores
application
green
organic
solvents
mineral
processing,
advocating
for
establishing
eco-friendly
techniques
aimed
at
clipping
boosting
resource
utilization.
The
escalating
demand
shortage
essential
including
copper,
cobalt,
lithium,
nickel
are
comprehensively
analyzed
forecasted
2023,
2030,
2040.
Traditional
extraction
techniques,
hydrometallurgical,
pyrometallurgical,
bio-metallurgical
processes,
efficient
but
pose
substantial
hazards
contribute
scarcity.
concept
arises
as
crucial
step
towards
ecological
conservation,
integrating
practices
lessen
footprint
extraction.
advancement
solvents,
notably
ionic
liquids
deep
eutectic
is
examined,
highlighting
their
attributes
minimal
toxicity,
biodegradability,
superior
efficacy,
thus
presenting
great
potential
transforming
sector.
emergence
such
palm
oil,
1-octanol,
Span
80
recognized,
with
advantageous
low
solubility
adaptability
varying
temperatures.
Kinetic
(mainly
temperature)
data
different
extracted
previous
studies
computed
machine
learning
techniques.
coefficient
determination
mean
squared
error
reveal
accuracy
experimental
data.
In
essence,
this
study
seeks
inspire
ongoing
efforts
navigate
impediments,
embrace
technological
advancements
artificial
intelligence,
foster
an
ethos
stewardship
metals
batteries.
