Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 28, 2025
Abstract
To
address
the
challenges
of
recycling
and
high‐value
utilization
waste
fluororubbers,
an
effective
method
is
reported
for
producing
novel
photocurable
vinyl‐terminated
liquid
fluororubbers
(VTLF)
with
elevated
fluorine
content
(63.1%),
superior
temperature
resistance
(
T
10%
=
335
°C)
from
commercial
fluororubbers.
The
approach
employs
a
streamlined,
multifaceted
system
(oxidative
degradation/condensation
reaction)
integrating
microwave,
mechanical,
steady‐state
fields.
This
facilitates
both
efficient
transformation
Initially,
undergo
controlled/oxidative
degradation
induced
by
alkali
hydrogen
peroxide
to
yield
carboxyl‐terminated
(CTLF).
Subsequently,
condensation
reaction
efficiently
converts
carboxyl
groups
into
photoreactive
vinyl
groups.
Ultimately,
environmentally
friendly
photocuring
VTLF
achieved.
nonthermal
effects
microwave
fields
reduce
total
process
time
just
1
h.
resulting
photocured
exhibits
not
only
comprehensive
properties
conventional
but
also
excellent
chemical
stability
unique
light
transmittance
(94.21%).
study
proposes
green,
straightforward
upcycling
strategy
within
circular
economy
framework
mitigate
environmental
issues
associated
rubber's
covalent
crosslinking.
Furthermore,
it
opens
avenues
designing
synthesizing
fluoropolymers
diverse
applications.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(27), P. 10281 - 10307
Published: Jan. 1, 2024
Delving
into
the
tools
empowering
polymer
chemists
to
design
polymers
for
roles
as
solid
electrolytes,
multifunctional
binders
and
active
electrode
materials
in
cutting-edge
solid-state
batteries
wearable
devices.
Batteries,
Journal Year:
2024,
Volume and Issue:
10(7), P. 255 - 255
Published: July 17, 2024
Solid-state
batteries
(SSBs)
have
emerged
as
a
promising
alternative
to
conventional
lithium-ion
batteries,
with
notable
advantages
in
safety,
energy
density,
and
longevity,
yet
the
environmental
implications
of
their
life
cycle,
from
manufacturing
disposal,
remain
critical
concern.
This
review
examines
impacts
associated
production,
use,
end-of-life
management
SSBs,
starting
extraction
processing
raw
materials,
highlights
significant
natural
resource
consumption,
emissions.
A
comparative
analysis
traditional
battery
underscores
hazards
novel
materials
specific
SSBs.
The
also
assesses
operational
impact
SSBs
by
evaluating
efficiency
carbon
footprint
comparison
followed
an
exploration
challenges,
including
disposal
risks,
regulatory
frameworks,
shortcomings
existing
waste
practices.
focus
is
placed
on
recycling
reuse
strategies,
reviewing
current
methodologies
like
mechanical,
pyrometallurgical,
hydrometallurgical
processes,
along
emerging
technologies
that
aim
overcome
barriers,
while
analyzing
economic
technological
challenges
these
processes.
Additionally,
real-world
case
studies
are
presented,
serving
benchmarks
for
best
practices
highlighting
lessons
learned
field.
In
conclusion,
paper
identifies
research
gaps
future
directions
reducing
underscoring
need
interdisciplinary
collaboration
advance
sustainable
SSB
contribute
balancing
advancements
stewardship,
thereby
supporting
transition
more
future.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 18, 2025
Abstract
Solid
polymer
electrolytes
(SPEs)
are
promising
for
high‐energy
and
high‐safety
solid‐state
lithium
metal
batteries
(LMBs).
Here,
a
polycationic
solid
electrolyte
(PCSE)
is
described
that
leverages
the
inherent
high
thermal/chemical
stability
of
domain
anion
trapping
(FMAT)
effect
another
fluorinated
microdomain
stable
fast‐charging
high‐voltage
LMBs.
Specifically,
while
imidazolium
backbone
ensures
segmental
flexibility
facilitating
Li
+
mobility,
effectively
traps
bis(trifluoromethanesulfonyl)imide
anions
by
strong
dipole
interactions,
imparting
localized
solvation
restricted
mobility
anions,
as
well
improved
oxidation
stability.
As
result,
PCSE
exhibits
ionic
conductivity
1.4
mS
cm
−1
,
transference
number
0.50,
wide
electrochemical
window
∼5.5
V
at
25
°C.
By
way
in
situ
thermal
polymerization
within
assembled
cells,
enables
ultra‐stable
cycling
Li|LiNi
0.8
Co
0.1
Mn
O
2
cells
with
capacity
retention
98.1%
after
500
cycles
0.2
C
ambient
temperatures.
The
work
on
molecular
design
PCSEs
represents
fundamentally
unique
perspective
rational
SPEs
balanced
properties
historically
challenging
high‐energy,
long‐life,
ambient‐temperature
Energy & Environmental Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
The
activated
hopping
of
ultrasmall
nanoparticles,
in
conjunction
with
the
accelerated
segmental
motion
polymer,
establishes
a
dual-channel
Li
+
transport
pathway
that
significantly
enhances
conductivity
polymer
electrolyte.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
147(9), P. 7624 - 7633
Published: Feb. 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.
