ACS Energy Letters,
Год журнала:
2023,
Номер
8(7), С. 3005 - 3012
Опубликована: Июнь 14, 2023
Recycling
of
spent
lithium-ion
batteries
is
essential
for
the
sustainable
development
renewable
energy
technologies,
as
it
promotes
resource
reuse
and
environmental
protection.
cathode
materials
particularly
important
due
to
their
high
concentration
strategic
elements.
However,
traditional
recycling
methods
are
often
inefficient
consumption
prolonged
operation
time.
Here,
we
present
an
efficient,
one-step,
nondestructive
method
regenerating
LiCoO2
cathodes
within
seconds.
This
simultaneously
achieves
relithiation
material
repair
crystal
structure
through
rapid
Joule
heating.
Compared
methods,
this
process
exhibits
low
shortened
After
8
s
process,
regenerated
has
a
well-defined
layered
restored
its
original
electrochemical
performance,
with
initial
discharge
capacity
133.0
mAh/g
good
cycling
performance.
work
represents
potentially
universal
approach
efficient
direct
regeneration
materials.
Nature Communications,
Год журнала:
2023,
Номер
14(1)
Опубликована: Фев. 3, 2023
The
recycling
of
spent
lithium-ion
batteries
is
an
effective
approach
to
alleviating
environmental
concerns
and
promoting
resource
conservation.
LiFePO4
have
been
widely
used
in
electric
vehicles
energy
storage
stations.
Currently,
lithium
loss,
resulting
formation
Fe(III)
phase,
mainly
responsible
for
the
capacity
fade
cathode.
Another
factor
poor
electrical
conductivity
that
limits
its
rate
capability.
Here,
we
report
use
a
multifunctional
organic
salt
(3,4-dihydroxybenzonitrile
dilithium)
restore
cathode
by
direct
regeneration.
degraded
particles
are
well
coupled
with
functional
groups
salt,
so
fills
vacancies
cyano
create
reductive
atmosphere
inhibit
phase.
At
same
time,
pyrolysis
produces
amorphous
conductive
carbon
layer
coats
particles,
which
improves
Li-ion
electron
transfer
kinetics.
restored
shows
good
cycling
stability
performance
(a
high
retention
88%
after
400
cycles
at
5
C).
This
can
also
be
recover
transition
metal
oxide-based
cathodes.
A
techno-economic
analysis
suggests
this
strategy
has
higher
economic
benefits,
compared
traditional
methods.
Advanced Energy Materials,
Год журнала:
2022,
Номер
12(26)
Опубликована: Май 10, 2022
Abstract
Li‐ion
batteries
(LIBs)
can
reduce
carbon
emissions
by
powering
electric
vehicles
(EVs)
and
promoting
renewable
energy
development
with
grid‐scale
storage.
However,
LIB
production
electricity
generation
still
heavily
rely
on
fossil
fuels
at
present,
resulting
in
major
environmental
concerns.
Are
LIBs
as
environmentally
friendly
sustainable
expected
the
current
stage?
In
past
5
years,
a
skyrocketing
growth
of
EV
market
has
been
witnessed.
have
garnered
huge
attention
from
academia,
industry,
government,
non‐governmental
organizations,
investors,
general
public.
Tremendous
volumes
are
already
implemented
EVs
today,
continuing,
exponential
for
years
to
come.
When
reach
their
end‐of‐life
next
decades,
what
technologies
be
place
enable
second‐life
or
recycling
batteries?
Herein,
life
cycle
assessment
studies
examined
evaluate
impact
LIBs,
compared
internal
combustion
engine
regarding
sustainability.
To
provide
holistic
view
development,
this
Perspective
provides
insights
into
materials
manufacturing,
recycling,
legislation
policy,
beyond.
Last
but
not
least,
future
charging
infrastructures
light
emerging
envisioned.
Environmental Chemistry Letters,
Год журнала:
2023,
Номер
21(2), С. 765 - 801
Опубликована: Янв. 7, 2023
Abstract
The
global
amount
of
solid
waste
has
dramatically
increased
as
a
result
rapid
population
growth,
accelerated
urbanization,
agricultural
demand,
and
industrial
development.
world's
is
expected
to
reach
8.5
billion
by
2030,
while
production
will
2.59
tons.
This
deteriorate
the
already
strained
environment
climate
situation.
Consequently,
there
an
urgent
need
for
methods
recycle
waste.
Here,
we
review
recent
technologies
treat
waste,
assess
economic
feasibility
transforming
into
energy.
We
focus
on
municipal,
agricultural,
found
that
methane
captured
from
landfilled-municipal
in
Delhi
could
supply
8–18
million
houses
with
electricity
generate
7140
gigawatt-hour,
prospected
potential
31,346
77,748
gigawatt-hour
2030
2060,
respectively.
Valorization
food
anaerobic
digestion
systems
replace
61.46%
natural
gas
38.54%
coal
use
United
Kingdom,
reduce
land
1.8
hectares
if
provided
animal
feeds.
also
estimated
levelized
cost
landfill
waste-to-energy
$0.04/kilowatt-hour
$0.07/kilowatt-hour,
payback
time
0.73–1.86
years
1.17–2.37
years,
Nonetheless,
current
treatment
are
still
inefficient,
particular
treating
containing
over
60%
water.
Green Chemistry,
Год журнала:
2022,
Номер
24(6), С. 2506 - 2515
Опубликована: Янв. 1, 2022
Enabling
the
sustainable
recycling
of
LiFePO
4
from
spent
lithium-ion
batteries
via
a
one-step
oxidation
leaching
process
endowed
with
better
environmental
and
economic
returns.
The
overuse
and
exploitation
of
fossil
fuels
has
triggered
the
energy
crisis
caused
tremendous
issues
for
society.
Lithium-ion
batteries
(LIBs),
as
one
most
important
renewable
storage
technologies,
have
experienced
booming
progress,
especially
with
drastic
growth
electric
vehicles.
To
avoid
massive
mineral
mining
opening
new
mines,
battery
recycling
to
extract
valuable
species
from
spent
LIBs
is
essential
development
energy.
Therefore,
needs
be
widely
promoted/applied
advanced
technology
low
consumption,
emission,
green
reagents
highlighted.
In
this
review,
necessity
first
discussed
several
different
aspects.
Second,
various
technologies
that
are
currently
used,
such
pyrometallurgical
hydrometallurgical
methods,
summarized
evaluated.
Then,
based
on
challenges
above
authors
look
further
forward
some
cutting-edge
direct
repair
regeneration.
addition,
also
discuss
prospects
selected
strategies
next-generation
solid-state
Li-metal
batteries.
Finally,
overall
conclusions
future
perspectives
sustainability
devices
presented
in
last
chapter.
