Battery energy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 20, 2025
ABSTRACT
Silicon‐based
anodes
are
among
the
most
appealing
possibilities
for
high‐capacity
anode
materials,
considering
that
they
possess
a
high
theoretical
capacity.
However,
significant
volumetric
changes
during
cycling
lead
to
rapid
capacity
degradation,
hindering
their
commercial
application
in
high‐energy
density
lithium‐ion
batteries
(LIBs).
This
research
introduces
novel
organic‐inorganic
cross‐linked
binder
system:
sodium
alginate‐lithium
borate‐boric
acid
(Alg‐LBO‐BA).
three‐dimensional
network
structure
effectively
buffers
of
Si
particles,
maintaining
overall
electrode
stability.
LBO
serves
as
prelithiation
agent,
compensating
irreversible
lithium
consumption
SEI
formation,
and
Si−O−B
offers
plethora
Lewis
sites,
enhancing
transport
interfacial
At
current
activation
0.2
A
g
−1
,
optimized
silicon
shows
an
initial
coulombic
efficiency
(ICE)
91%.
After
200
cycles
at
1
it
retains
reversible
1631.8
mAh
achieves
1768.0
5
.
study
presents
approach
designing
binders
anodes,
significantly
advancing
development
high‐performance
anodes.
Battery energy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 20, 2025
ABSTRACT
Silicon‐based
anodes
are
among
the
most
appealing
possibilities
for
high‐capacity
anode
materials,
considering
that
they
possess
a
high
theoretical
capacity.
However,
significant
volumetric
changes
during
cycling
lead
to
rapid
capacity
degradation,
hindering
their
commercial
application
in
high‐energy
density
lithium‐ion
batteries
(LIBs).
This
research
introduces
novel
organic‐inorganic
cross‐linked
binder
system:
sodium
alginate‐lithium
borate‐boric
acid
(Alg‐LBO‐BA).
three‐dimensional
network
structure
effectively
buffers
of
Si
particles,
maintaining
overall
electrode
stability.
LBO
serves
as
prelithiation
agent,
compensating
irreversible
lithium
consumption
SEI
formation,
and
Si−O−B
offers
plethora
Lewis
sites,
enhancing
transport
interfacial
At
current
activation
0.2
A
g
−1
,
optimized
silicon
shows
an
initial
coulombic
efficiency
(ICE)
91%.
After
200
cycles
at
1
it
retains
reversible
1631.8
mAh
achieves
1768.0
5
.
study
presents
approach
designing
binders
anodes,
significantly
advancing
development
high‐performance
anodes.
