ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 9, 2024
Sodium-ion
capacitors
(SICs),
consisting
of
a
high-rate
capacitive
cathode
and
high-capacity
battery-type
anode,
are
considered
as
one
the
most
promising
energy
storage
devices
due
to
their
high
energy/power
densities
well
abundant
sodium
resources.
However,
relatively
low
capacitance
conventional
carbon-based
materials
significantly
limits
density
update
SICs.
Herein,
we
develop
platelike
jarosite
(KFe3(SO4)2(OH)6)
with
large
pseudocapacitance
for
constructing
high-energy-density
The
open
channels
formed
by
linked
FeO4(OH)2
octahedra
SO4
tetrahedra
in
layered
hexagonal
crystal
structure
KFe3(SO4)2(OH)6
provide
rapid
ion
diffusion
pathways,
thus
enabling
pseudocapacitive-dominant
charge
KFe3(SO4)2(OH)6.
A
self-supporting
three-dimensional
electronically
conductive
architecture
is
designed,
exhibiting
reversible
capacities,
excellent
cycling
stability,
superior
rate
performance.
Additionally,
SIC
assembled
using
pseudocapacitive
Na2Ti3O7
battery
anode
delivers
maximum
123.3
Wh
kg–1
power
3625.9
W
(still
an
51.2
at
this
density).
This
work
unveils
great
potential
family
serve
type
high-performing
intercalation
material
next-generation
sodium-ion
devices.
Dalton Transactions,
Journal Year:
2024,
Volume and Issue:
53(30), P. 12410 - 12433
Published: Jan. 1, 2024
Due
to
their
distinctive
security
characteristics,
all-solid-state
batteries
are
seen
as
a
potential
technology
for
the
upcoming
era
of
energy
storage.
The
flexibility
nanomaterials
shows
enormous
advancement
batteries'
exceptional
power
and
storage
capacities.
These
might
be
applied
in
many
areas
such
large-scale
grids,
well
creation
foldable
flexible
electronics,
portable
gadgets.
most
difficult
aspect
creating
comprehensive
nanoscale
battery
assembly
is
task
decreasing
particle
size
solid
electrolyte
while
maintaining
its
excellent
ionic
conductivity.
Materials
possessing
structural
features
substantial
electrochemically
active
surface
area
have
significantly
enhance
characteristics
cycle
life.
This
bring
about
changes
existing
models.
primary
objective
this
research
summarize
latest
advancements
utilizing
harvesting
various
assemblies.
study
examines
complex
solid-solid
interfaces
batteries,
feasible
methods
implementing
interfaces.
Currently,
there
significant
attention
on
necessity
develop
electrode-solid
that
exhibit
articulation
other
related
behavior
lithium
ions.
