Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(11)
Опубликована: Янв. 10, 2024
Hard
carbon
(HC)
as
a
potential
candidate
anode
for
sodium-ion
batteries
(SIBs)
suffers
from
unstable
solid
electrolyte
interphase
(SEI)
and
low
initial
Coulombic
efficiency
(ICE),
which
limits
its
commercial
applications
urgently
requires
the
emergence
of
new
strategy.
Herein,
an
organic
molecule
with
two
sodium
ions,
disodium
phthalate
(DP),
was
successfully
engineered
on
HC
surface
(DP-HC)
to
replenish
loss
formation.
A
stabilized
ultrathin
(≈7.4
nm)
SEI
constructed
DP-HC
surface,
proved
be
simultaneously
suitable
in
both
ester
ether
electrolytes.
Compared
pure
(60.8
%),
as-designed
exhibited
high
ICE
>96.3
%
NaPF
Cell Reports Physical Science,
Год журнала:
2024,
Номер
5(3), С. 101851 - 101851
Опубликована: Фев. 29, 2024
Due
to
its
overall
performance,
hard
carbon
(HC)
is
a
promising
anode
for
rechargeable
lithium-,
sodium-,
and
potassium-ion
batteries
(LIBs,
NIBs,
KIBs).
The
microcrystalline
structure
morphology
of
HCs
facilitates
the
alkali
metal
-ion
uptake
fast
ion
intercalation
deintercalation
throughout
pores
with
low-potential
properties.
However,
large-scale
industrial
application
still
lagging
because
first-cycle
reversible
capacity,
which
results
in
low
initial
Coulombic
efficiency
(ICE)
voltage
hysteresis.
This
review
focuses
on
fundamental
mechanism
as
metal-ion
batteries,
current
issues
being
discussed.
includes
formation
solid
electrolyte
interphase
during
first
cycle
ICE,
safety
concerns,
improved
performances,
are
vital
practical
applicability.
state-of-the-art
HC
anodes
discussed
here
recent
literature.
Furthermore,
challenges
corresponding
effective
strategies
overcome
difficulties
related
commercialization
battery
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(11)
Опубликована: Янв. 10, 2024
Hard
carbon
(HC)
as
a
potential
candidate
anode
for
sodium-ion
batteries
(SIBs)
suffers
from
unstable
solid
electrolyte
interphase
(SEI)
and
low
initial
Coulombic
efficiency
(ICE),
which
limits
its
commercial
applications
urgently
requires
the
emergence
of
new
strategy.
Herein,
an
organic
molecule
with
two
sodium
ions,
disodium
phthalate
(DP),
was
successfully
engineered
on
HC
surface
(DP-HC)
to
replenish
loss
formation.
A
stabilized
ultrathin
(≈7.4
nm)
SEI
constructed
DP-HC
surface,
proved
be
simultaneously
suitable
in
both
ester
ether
electrolytes.
Compared
pure
(60.8
%),
as-designed
exhibited
high
ICE
>96.3
%
NaPF
