AIChE Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 24, 2024
Abstract
A
novel
phospho‐based
hydrophobic
deep
eutectic
solvents
(HDESs)
is
proposed
to
selectively
extract
valuable
metals
from
waste
lithium‐ion
batteries
(LIBs).
Under
the
optimized
extraction
conditions,
single‐stage
efficiency
of
HDES
[TOP][Lid]
for
Co
2+
and
Ni
were
98.5%
83.9%,
[TBP][Lid]
96.0%
82.9%,
Li
+
was
enriched
in
extract.
FT‐IR,
1
H
NMR,
ESP
analysis
confirmed
hydrogen
bond
between
HBD
HBA.
The
metal
ion
mechanism
by
HDESs
analyzed
based
on
quantum
chemistry
(QC)
molecular
dynamics
(MD).
at
level
that
electrostatic
coordination
interactions
transition
ions
dominate
(Co
).
interaction
intensity
with
stronger
than
HDESs.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 2, 2025
Unclear
regulation
mechanisms
of
solid
solubility
make
it
difficult
to
accurately
control
its
concentration,
posing
challenges
for
accelerating
chemical
reactions.
Herein,
we
use
a
model
system
determine
the
effects
solvent
type
and
ratio,
lithium
salt
on
sulfur
solubility.
Our
findings
reveal
nonlinear
relationship
between
both
concentration
ratio
different
solvents
in
composite
solutions.
Importantly,
significant
differences
are
discovered
with
changes
solvation
structure
regulated
by
anion.
Quantitative
evaluation
is
illustrated
be
breaking
threshold
value
interaction
energy
solute
molecules.
Based
these
findings,
simultaneous
polysulfide
concentrations
ether
electrolytes
can
achieved
controlling
salts.
As
result,
liquid-liquid-solid
reaction
pathway
supported
lithium-sulfur
batteries
finite
amount
electrolyte
coin
cell,
pouch
cell
shows
an
density
554
Wh
kg-1,
ranking
at
top
level
reported
system.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 31, 2025
Abstract
Promoting
the
green
and
efficient
recycling
of
critical
metals
in
spent
ternary
batteries
represents
a
crucial
step
driving
reduce
resource
dependence
electric
vehicle
industry.
However,
leaching
progress
from
cathodes
generally
requires
high
reaction
temperatures
large
usage
solvents.
Herein,
strategy
is
proposed
to
strengthen
van
der
Waals
forces
between
solvent
components
by
constructing
affinity
interactions
functional
groups
(e.g.,
‐OH
‐COOH),
which
can
significantly
enhance
kinetics
at
solid‐liquid
ratio
low
temperature
(30
°C).
The
results
demonstrate
that
strong
force
ascorbic
acid
with
group
betaine
ions
‐COOH
nucleophilicity
carbon
atoms
specific
C─C
bond
energy,
thus
enhancing
redox
capability
DESs.
Encouragingly,
designed
shows
an
impressive
performance
super
S/L
(1:
3)
without
external
heating
for
actual
black
mass
under
scaled‐up
experiment.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 3, 2025
Organic
small-molecules
with
redox
activity
are
promising
cathode
candidates
for
aqueous
zinc-ion
batteries
(AZIBs)
due
to
their
low
cost,
high
safety
and
theoretical
capacity.
However,
severe
dissolution
leads
unsatisfactory
electrochemical
performance.
Here,
a
dihydro-octaaza-pentacene
(DOP)
compound
is
synthesized
as
AZIBs
by
extending
its
N
heterocyclic
molecular
structure.
The
extended
structure
provides
dual
active
sites
of
n-type
(C═N)
p-type
(-NH-)
reactions
while
reducing
through
enhanced
π-conjugation.
Hence,
the
Zn//DOP
battery
demonstrates
improved
performance,
e.g.,
an
capacity
360
mAh
g-1
at
0.05
A
g-1.
Even
under
temperature
conditions
-
50
°C,
still
maintain
capacities
172
312
g-1,
respectively.
In/ex-situ
spectroscopy
provide
thorough
understanding
storage
mechanisms
cations
anions
(Zn2+/H+
ClO4-)
multielectron
transfer
process
occurring
electroactive
sites.
This
strategy
offers
approach
designing
high-performance
zinc-organic
sustainable
energy
storage.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 3, 2025
Abstract
Green
and
efficient
recycling
of
critical
metals
from
spent
lithium‐ion
batteries
is
great
importance.
Deep
eutectic
solvents
(DESs)
show
potential
to
replace
conventional
inorganic
acids
due
their
eco‐friendly,
low‐cost,
superior
leaching
performance.
However,
the
low
solid–liquid
ratio,
high
temperature,
complex
stepwise
recovery
processes
may
lead
large
solvent
energy
consumption.
Herein,
a
selection
principle
proposed
according
enhanced
redox
capacity
abundant
hydrogen
bonding
interactions,
which
help
design
novel
ternary
DESs.
The
results
demonstrate
that
DESs
could
disrupt
metal–oxygen
bonds
efficiently
reduce
high‐valent
form
low‐valent
metal
complexes
in
solution.
Besides,
water
as
dilutant
can
viscosity
benefit
bonds.
As
result,
achieve
high‐metal
efficiency
98.65%
(Li),
96.92%
(Ni),
96.94%
(Co),
95.53%
(Mn)
at
relatively
temperature
(60
°C)
ratio
(
R
S/L
=
10),
respectively.
regenerated
cathodes
via
co‐precipitation
methods
exhibit
excellent
electrochemical
performance
similar
commercial
cathodes.
Finally,
economic
environmental
evaluation
entire
process
shows
profitability
impact.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 5, 2024
Abstract
Due
to
the
increase
in
global
population,
industrialization,
and
transition
climate
neutrality
through
low‐emission
technologies,
pressure
on
critical
materials
(CMs)
continues
grow.
CMs
are
defined
as
with
a
significant
risk
of
supply
chain
disruption
limited
substitutability.
In
this
context,
rare‐earth
elements,
platinum
group
metals,
lithium,
cobalt
particularly
crucial
for
shift
carbon‐free
economy
sustainability.
One
important
strategies
endorse
goal
carbon
reduction
is
promote
recycling
resources.
As
solution,
effective
recovery
have
been
developed,
such
solid‐phase
separation
technologies
based
advanced
functional
sorbents.
This
perspective
article
aims
provide
general
assessment
role
porous
closing
loop
recycling.
Here,
comprehensive
insights
provided
into
recent
development,
design,
application
adsorbents
commonly
applied
extraction
systems.
Their
current
research
status
problems
related
their
future
also
highlighted.
review
covers
advances
hierarchical
silica‐based
materials,
aerogels,
covalent
organic
frameworks,
metal–organic
carbon‐based
adsorbents.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 28, 2024
Silver
can
be
recycled
from
the
end-of-life
crystalline
silicon
photovoltaic
(PV),
yet
recycling
and
its
technology
scale-up
are
still
at
an
early
stage
especially
in
continuously
operations
e.g.,
continoursely
stirred
tank
reactors
(CSTR).
Here,
silver
recovery
solar
cells
is
technically
understood
optimized
CSTR
system
point
of
view
efficiency,
through
integrating
experimental
numerical
investigations.
Specifically,
based
on
experiments,
a
kinetics
model
developed
scanning
electron
microscopy
surface
morphology
characterized;
computational
fluid
dynamics-discrete
element
method
(CFD-DEM)
particle-scale
integrated
with
validated
against
fluid-flow
pattern
leaching
performance
results
lab
measurements.
The
CFD-DEM
then
applied
to
understand
behavior
terms
hydrodynamics
AgNO
