Polymers,
Journal Year:
2024,
Volume and Issue:
16(13), P. 1924 - 1924
Published: July 5, 2024
Developing
a
reasonable
design
of
lithiophilic
artificial
solid
electrolyte
interphase
(SEI)
to
induce
the
uniform
deposition
Li+
ions
and
improve
Coulombic
efficiency
energy
density
batteries
is
key
task
for
development
high-performance
lithium
metal
anodes.
Herein,
separator
anodes
was
designed
by
in
situ
growth
metal–organic
framework
(MOF)-derived
transition
sulfide
array
as
an
SEI
on
polypropylene
separators
(denoted
Co9S8-PP).
The
high
ionic
conductivity
excellent
morphology
provided
convenient
transport
path
fast
charge
transfer
kinetics
ions.
experimental
data
illustrate
that,
compared
with
commercial
separators,
Li//Cu
half-cell
Co9S8-PP
can
be
cycled
stably
2000
h
at
1
mA
cm−2
mAh
cm−2.
Meanwhile,
Li//LiFePO4
full
cell
exhibits
ultra-long
cycle
stability
0.2
C
initial
capacity
148
g−1
maintains
74%
after
1000
cycles.
This
work
provides
some
new
strategies
using
sulfides
create
batteries.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(28)
Published: May 7, 2024
Alkali
metals
(e.g.
Li,
Na,
and
K)
multivalent
Zn,
Mg,
Ca,
Al)
have
become
star
anodes
for
developing
high-energy-density
rechargeable
batteries
due
to
their
high
theoretical
capacity
excellent
conductivity.
However,
the
inevitable
dendrites
unstable
interfaces
of
metal
pose
challenges
safety
stability
batteries.
To
address
these
issues,
covalent
organic
frameworks
(COFs),
as
emerging
materials,
been
widely
investigated
regular
porous
structure,
flexible
molecular
design,
specific
surface
area.
In
this
minireview,
we
summarize
research
progress
COFs
in
stabilizing
anodes.
First,
present
origins
delve
into
advantages
based
on
physical/chemical
properties
alkali
metals.
Then,
special
attention
has
paid
application
host
design
anodes,
artificial
solid
electrolyte
interfaces,
additives,
solid-state
electrolytes,
separator
modifications.
Finally,
a
new
perspective
is
provided
from
pore
modulation,
synthesis
COFs.
Industrial Chemistry and Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
We
comprehensively
reviewed
the
recent
achievements
in
cellulose-based
solid
electrolytes,
including
diverse
modifications
and
compositing
strategies
for
improving
ionic
conductivity,
current
challenges
future
prospects
are
discussed.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(28)
Published: May 7, 2024
Abstract
Alkali
metals
(e.g.
Li,
Na,
and
K)
multivalent
Zn,
Mg,
Ca,
Al)
have
become
star
anodes
for
developing
high‐energy‐density
rechargeable
batteries
due
to
their
high
theoretical
capacity
excellent
conductivity.
However,
the
inevitable
dendrites
unstable
interfaces
of
metal
pose
challenges
safety
stability
batteries.
To
address
these
issues,
covalent
organic
frameworks
(COFs),
as
emerging
materials,
been
widely
investigated
regular
porous
structure,
flexible
molecular
design,
specific
surface
area.
In
this
minireview,
we
summarize
research
progress
COFs
in
stabilizing
anodes.
First,
present
origins
delve
into
advantages
based
on
physical/chemical
properties
alkali
metals.
Then,
special
attention
has
paid
application
host
design
anodes,
artificial
solid
electrolyte
interfaces,
additives,
solid‐state
electrolytes,
separator
modifications.
Finally,
a
new
perspective
is
provided
from
pore
modulation,
synthesis
COFs.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 9, 2024
Abstract
Polyolefin
separators,
such
as
polypropylene
(PP)
and
polyethylene
(PE)
are
the
commonly
used
separators
for
lithium
batteries,
which
have
good
mechanical
properties
chemical/electrochemical
stability,
but
their
high‐temperature
dimensional
stability
is
poor
Li
+
transference
number
(
t
)
low.
Recently,
much
attention
has
been
paid
to
developing
with
new
substrates,
so
far
there
no
separator
replace
polyolefin
large‐scale
application.
Therefore,
surface
modification
of
enhance
its
functionality
a
simple
effective
method.
Among
many
modified
layers,
porous
layer
can
store
electrolyte
provide
enough
space
ion
transport.
In
this
work,
hollow
mesoporous
silica
nanosphere
(mSiO
2
prepared
PP
multifunctional
coating
improve
electrochemical
performance
safety
separator.
The
experimental
theoretical
results
show
that
mSiO
not
only
wettability
separator,
also
promote
transport,
/PP
exhibits
high
ionic
conductivity
(2.35
mS
cm
−1
(0.63).
As
result,
Li//LiFePO
4
cells
using
exhibit
excellent
cycling
performance,
rate
safety.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 30, 2025
Abstract
Quasi‐solid‐state
polymer
electrolytes
(QSPEs)
have
been
considered
as
one
of
the
most
promising
for
high‐safety
high‐energy‐density
lithium
metal
batteries
(LMBs).
However,
their
inadequate
mechanical
properties
and
instability
under
high
voltages
pose
significant
challenges
practical
applications.
Herein,
robust
antioxidative
QSPEs
are
developed
based
on
a
polymer‐brush‐based
rigid
supporting
film
(BC‐
g
‐PLiMTFSI‐
b
‐PPFEMA,
BC:
bacterial
cellulose,
PLiMTFSI:
poly(lithium
(3‐methacryloyloxypropylsulfonyl)
(trifluoromethylsulfonyl)imide),
PPFEMA:
poly(2‐(perfluorohexyl)ethyl
methacrylate)).
The
BC
nanofibril
backbone
can
produce
highly
porous
structure
with
outstanding
strength.
More
importantly,
PLiMTFSI‐
‐PPFEMA
side‐chains
not
only
obviously
increase
conversion
ratio
easily
oxidized
monomers
in
QSPEs,
but
also
possess
strong
interaction
unstable
electrolyte
components.
With
such
solid‐state
electrolytes,
Li/LiNi
0.8
Mn
0.1
Co
O
2
full
cell
cathode
loading
(20.3
mg
cm
−2
)
exhibits
specific
discharge
capacity
200.7
mAh
−1
at
0.5
C
demonstrates
long
lifespan
137
cycles
retained
170.7
cut‐off
voltage
4.5
V.
4.6
V,
147.0
after
187
be
Li/LiCoO
cells.
This
work
provides
feasible
development
strategy
long‐cycling
high‐voltage
LMBs.
Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(33), P. 15481 - 15501
Published: Jan. 1, 2024
With
increasing
computational
capabilities
and
ongoing
methodological
innovations,
theoretical
calculation
simulations
will
play
a
more
significant
role
in
the
design
development
of
high-performance
energy
storage
materials.
Chemistry of Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 30, 2024
A
carbon-silver
anode
has
recently
been
shown
to
suppress
dendrite
formation
in
all-solid-state
lithium-ion
batteries.
The
role
that
silver
plays
enabling
the
reversible
deposition
and
stripping
of
lithium
remains
unknown.
Furthermore,
very
little
is
known
about
thermodynamic
kinetic
properties
Li