Battery energy,
Journal Year:
2024,
Volume and Issue:
3(3)
Published: Jan. 23, 2024
Abstract
Graphite
is
one
of
the
most
widely
used
anode
materials
in
lithium‐ion
batteries
(LIBs).
The
recycling
spent
graphite
(SG)
from
LIBs
has
attracted
less
attention
due
to
its
limited
value,
complicated
contaminations,
and
unrestored
structure.
In
this
study,
a
remediation
regeneration
process
with
combined
hydrothermal
calcination
was
proposed
remove
different
impurities
as
value‐added
resources
SG.
This
study
focuses
on
application
removal
methods
for
impurity
metals
by
acid
leaching
under
conditions
Cu,
Li,
Co,
Mn,
Ni
Then,
mild‐tempreture
SG
performed
residual
organic
compounds.
regenerated
(RG)
found
have
better
morphology
structure
increased
pore
volume,
which
more
favorable
embedding
desorption
lithium
(Li)
graphite.
terms
electrochemical
performance,
first
discharge‐specific
capacity
RG
at
0.5
C
359.40
mAh/g,
retention
353.49
mAh/g
after
100
cycles
(retention
rate
98.36%).
can
be
green
efficient
candidate
material
reduced
restoration
temperature,
metal
by‐products.
iScience,
Journal Year:
2023,
Volume and Issue:
26(11), P. 108072 - 108072
Published: Sept. 28, 2023
The
recycling
of
spent
batteries
is
an
important
concern
in
resource
conservation
and
environmental
protection,
while
it
facing
challenges
such
as
insufficient
channels,
high
costs,
technical
difficulties.
To
address
these
issues,
a
review
the
batteries,
emphasizing
importance
potential
value
conducted.
Besides,
policies
strategies
implemented
representative
countries
are
summarized,
providing
legal
policy
support
for
industry.
Moreover,
comprehensive
classification
comparison
technologies
identify
characteristics
current
status
different
approaches.
integrated
technology
provides
better
performance
with
zero-pollution
battery.
Biorecycling
expected
to
gain
broad
development
prospect
future
owing
superiority
energy-saving
efficiency,
via
microbial
degradation,
enzymatic
etc.
Consequently,
existing
waste
developing
new
perfecting
its
system
indispensable
guarantee
sustainable
Meanwhile,
theoretical
offered
batteries.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(36), P. 13270 - 13291
Published: Aug. 23, 2023
With
the
rise
of
new
energy
vehicle
industry
represented
by
Tesla
and
BYD,
need
for
lithium-ion
batteries
(LIBs)
grows
rapidly.
However,
owing
to
limited
service
life
LIBs,
large-scale
retirement
tide
LIBs
has
come.
The
recycling
spent
become
an
inevitable
trend
resource
recovery,
environmental
protection,
social
demand.
low
added
value
recovery
previous
mostly
used
traditional
metal
extraction,
which
caused
damage
had
high
cost.
Beyond
upcycling
came
into
being.
In
this
work,
we
have
outlined
particularly
focus
on
sustainable
technologies
toxic
electrolyte,
cathode,
anode
from
LIBs.
For
whether
electrolyte
extraction
or
decomposition,
restoring
original
components
decomposing
them
low-carbon
conversion
is
goal
upcycling.
Direct
regeneration
preparation
advanced
materials
are
best
strategies
cathodic
with
advantages
cost
consumption,
but
challenges
remain
in
industrial
practice.
graphite-based
battery-grade
graphite
shows
us
prospect
anode.
Furthermore,
future
development
summarized
discussed
technological
perspectives.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2023,
Volume and Issue:
11(17), P. 6567 - 6577
Published: April 17, 2023
Research
into
the
recycling
of
electrode
materials
has
gained
attention
due
to
exponential
increase
in
spent
and
discarded
lithium-ion
batteries
(LIBs).
While
cathode
recovery
perennially
been
a
research
priority
its
economic
benefits,
anode
(graphite)
yet
be
accomplished.
Currently,
focus
shifted
anodes
from
LIBs
deal
with
scarcity
graphite
resources
protect
environment
because
is
crucial
part
LIB.
The
primary
goal
this
recycle
regenerate
bioleaching
residue.
Unlike
other
hydrometallurgical
LIB
recycling,
residue
contains
considerable
amount
iron
salts
unleached
metal.
Graphite
was
recycled
using
mild
acid
cleaning
remove
vast
amounts
materials,
followed
by
calcination
treatments.
Inductively
coupled
plasma
optical
emission
spectroscopy
(ICP-OES)
analysis
revealed
that
regenerated
had
purity
99.78%.
morphology
structure
were
confirmed
identical
commercial
material
scanning
electron
microscopy
(SEM),
X-ray
diffraction
(XRD),
Raman
spectroscopy.
samples
show
excellent
electrochemical
performance,
charging/discharging
capacity
higher
than
400
mAh/g
retention
rate
100%
after
200
cycles,
surpassing
(366
mAh/g).
Journal of Materials Research and Technology,
Journal Year:
2023,
Volume and Issue:
24, P. 2113 - 2128
Published: March 24, 2023
In
this
research
study,
a
novel
process
of
roasting-assisted
flotation
was
developed
for
the
separation
spent
vehicle
lithium-ion
batteries
(LIBs)
in
presence
micro-nanobubbles
(MNBs).
For
purpose,
roasting
technology
along
with
MNBs
applied
to
overcome
challenge
poor
efficiency
electrode
active
materials
flotation.
The
properties
(temperature:
300–500
°C
and
time:
1
h)
corresponding
surface
alterations
(zeta
potential,
contact
angle,
X-ray
photoelectron
spectroscopy
(XPS))
were
analyzed
explore
MNBs.
MNB-assisted
employed
effectively
separate
cathode
(CMs)
from
anode
(AMs).
Results
showed
that
without
low
due
existence
residual
organic
binders
electrolytes.
Scanning
electron
microscope
(SEM)
coupled
energy
dispersive
(EDS),
XPS
zeta
potential
analyses
electrolyte
residuals
eliminated
following
at
400
h.
After
roasting,
CMs
AMs
increased
−55
±
2
−26
mV
−46
−30
mV,
respectively.
These
improvements
indicated
CM
surfaces
more
hydrophilic,
while
AM
hydrophobic.
MNBs,
angle
measurements
highest
lowest
values
91
1°
29
CMs,
respectively
°C.
It
found
performance
improved
after
relatively
lower
reagent
consumption
(50%)
required
obtain
higher
recovery.
Two-stage
processes
could
further
upgrade
grade
65
2%
93
3%.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(24)
Published: Feb. 21, 2024
Abstract
The
exploration
of
waste
graphite
from
used
lithium
ion
batteries
(LIBs)
and
its
derivatives
for
versatile
applications
is
an
efficient
route
to
promote
the
environmental
eco‐friendly
recycling
LIBs.
Sodium
(SIBs)
are
alternative
candidates
LIBs
mainly
due
similar
electrochemical
mechanism
SIBs
rich
natural
resource
Na.
Herein,
a
holey
(hG
w
)
with
well‐defined
porous
structure
produced
by
annealing
lithiated
(Li/G
under
flow
gas
H
2
O
subsequent
leaching
in
DI
water.
Benefiting
hG
,
graphene
nanoplatelets
(hGn
ultrahigh‐level
edge‐grafted
oxygen
groups
(≈37.8
at%)
synthesized
mechanical
balling
.
As
anode
SIBs,
hGn
present
outstanding
sodium
storage
properties
high
initial
Coulombic
efficiency
82.4%,
reversible
capacity
(e.g.,
416.1
mAh
g
−1
at
0.03
A
),
excellent
rate
capability
153.3
long‐term
cycling
stability
152.7
after
400
cycles
1.5
).
