Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(11)
Published: Jan. 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
Molecules,
Journal Year:
2023,
Volume and Issue:
28(7), P. 3134 - 3134
Published: March 31, 2023
When
compared
to
expensive
lithium
metal,
the
metal
sodium
resources
on
Earth
are
abundant
and
evenly
distributed.
Therefore,
low-cost
sodium-ion
batteries
expected
replace
lithium-ion
become
most
likely
energy
storage
system
for
large-scale
applications.
Among
many
anode
materials
batteries,
hard
carbon
has
obvious
advantages
great
commercial
potential.
In
this
review,
adsorption
behavior
of
ions
at
active
sites
surface
carbon,
process
entering
graphite
lamellar,
their
sequence
in
discharge
analyzed.
The
controversial
mechanism
is
discussed,
four
mechanisms
summarized.
Not
only
(in
carbon)
analyzed
depth,
but
also
relationships
between
morphology
structure
regulation
heteroatom
doping
electrolyte
optimization
further
as
well
electrochemical
performance
anodes
batteries.
It
that
with
will
have
excellent
performance,
lower
costs
be
required
systems.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(18), P. 11941 - 11954
Published: April 23, 2024
Closed
pores
play
a
crucial
role
in
improving
the
low-voltage
(<0.1
V)
plateau
capacity
of
hard
carbon
anodes
for
sodium-ion
batteries
(SIBs).
However,
lack
simple
and
effective
closed-pore
construction
strategies,
as
well
unclear
formation
mechanism,
has
severely
hindered
development
high
anodes.
Herein,
we
present
an
strategy
by
one-step
pyrolysis
zinc
gluconate
(ZG)
elucidate
corresponding
mechanism
formation.
The
during
ZG
mainly
involves
(i)
precipitation
ZnO
nanoparticles
etching
on
under
1100
°C
to
generate
open
0.45-4
nm
(ii)
graphitic
domains
shrinkage
partial
at
1100-1500
convert
closed
pores.
Benefiting
from
considerable
content
suitable
microstructure,
optimized
achieves
ultrahigh
reversible
specific
481.5
mA
h
g
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(19)
Published: March 13, 2024
Abstract
Sodium‐ion
batteries
(SIBs)
have
attracted
a
significant
amount
of
interest
in
the
past
decade
as
credible
alternative
to
lithium‐ion
(LIBs)
widely
used
today.
The
abundance
sodium,
along
with
potential
utilization
electrode
materials
without
critical
elements
their
composition,
led
intensification
research
on
SIBs.
Hard
carbon
(HC),
is
identified
most
suitable
negative
for
It
can
be
obtained
by
pyrolysis
eco‐friendly
and
renewable
precursors,
such
biomasses,
biopolymers
or
synthetic
polymers.
Distinct
HC
properties
tuning
precursors
synthesis
conditions,
direct
impact
performance
In
this
work,
an
in‐depth
overview
how
parameters
affect
(porosity,
structure,
morphology,
surface
chemistry,
defects)
provided.
Several
synthesis‐property
relationships
are
established
based
database
created
using
extensive
literature
data.
Moreover,
correlated
electrochemical
(initial
Coulombic
efficiency
(iCE)
reversible
capacity)
vs.
Na,
half‐cells.
Na‐ion
storage
mechanisms
solid
electrolyte
interphase
(SEI)
formation
discussed
full‐cell
devices,
well
SIB
prototypes
short
history
SIBs
enterprises.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(18)
Published: Feb. 6, 2024
Abstract
Here,
the
sodium
storage
mechanism
in
commercial
grade
hard
carbon
with
a
low
surface
area
is
comprehensively
investigated
using
electrochemical
impedance
spectroscopy
(EIS),
galvanostatic
intermittent
titration
technique,
and
situ
Raman
for
fresh
cycled
electrodes.
The
reversible
shift
of
G‐band
peak
on
spectra
substantial
change
charge‐transfer
resistance
sloping
region
voltage
profile
indicates
intercalation
ions
into
carbon,
whereas
low‐voltage
plateau
associated
pore‐filling
process.
In
analysis
at
frequencies
reveals
that
pore
filling
progressed
via
formation
small
clusters
closed
pores.
Prolonged
cycling
demonstrates
stable
consistent
throughout
multiple
charge–discharge
cycles.
transition
from
to
strongly
affects
diffusion
behavior,
leading
considerably
slower
diffusivity
voltage.
EIS
effectively
differentiates
contribution
adsorption
charge
storage.
gradual
growth
solid‐electrolyte
interphase
layer
rise
interfacial
as
progresses.
combination
diffusivity,
strictly
impedes
fast
de/sodiation
eventually
causes
capacity
fade.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(8), P. 4778 - 4821
Published: April 2, 2024
The
shortage
of
resources
such
as
lithium
and
cobalt
has
promoted
the
development
novel
battery
systems
with
low
cost,
abundance,
high
performance,
efficient
environmental
adaptability.
Due
to
abundance
cost
sodium,
sodium-ion
chemistry
drawn
worldwide
attention
in
energy
storage
systems.
It
is
widely
considered
that
wide-temperature
tolerance
batteries
(WT-SIBs)
can
be
rapidly
developed
due
their
unique
electrochemical
chemical
properties.
However,
WT-SIBs,
especially
for
electrode
materials
electrolyte
systems,
still
face
various
challenges
harsh-temperature
conditions.
In
this
review,
we
focus
on
achievements,
failure
mechanisms,
fundamental
chemistry,
scientific
WT-SIBs.
insights
design
principles,
current
research,
safety
issues
are
presented.
Moreover,
possible
future
research
directions
WT-SIBs
deeply
discussed.
Progress
toward
a
comprehensive
understanding
emerging
comprehensively
discussed
review
will
accelerate
practical
applications
rechargeable
batteries.
