ChemSusChem,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 9, 2025
The
development
of
sodium‐ion
batteries
is
increasingly
critical
due
to
the
limited
availability
and
rising
cost
lithium
resources,
positioning
a
promising
alternative
lithium‐ion
batteries.
Conventional
Mn‐based
cathode
materials
often
suffer
from
strong
Jahn–Teller
effect
Mn
III
,
leading
structural
instability
capacity
fading.
Herein,
it
demonstrated
that
activating
charge
redistribution
between
adjacent
transition
metals
in
Prussian
blue
analogues,
driven
by
tuning
electronic
conductivity,
plays
crucial
role
mitigating
effect.
X‐ray
absorption
spectroscopy
reveals
interaction
Fe
under
demonstrating
their
complementary
redox
behavior.
Computational
analysis
attributes
this
framework
where
energy
barrier
for
transfer
across
FeCNMn
bonds
modulated
electrode‐level
conductivity.
This
strategy
demonstrates
enhanced
cycle
stability
while
effectively
maintains
activity
beyond
trivalent
state.
Consequently,
presents
distinct
advantage
terms
density,
these
findings
suggest
with
optimized
analogues
can
be
positioned
as
next‐generation
high
density
cycling
performance.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 17, 2025
Abstract
Lithium‐ion
batteries
(LIBs)
have
been
widely
adopted
in
the
automotive
industry,
with
an
annual
global
production
exceeding
1000
GWh.
Despite
their
success,
escalating
demand
for
LIBs
has
created
concerns
on
supply
chain
issues
related
to
key
elements,
such
as
lithium,
cobalt,
and
nickel.
Sodium‐ion
(SIBs)
are
emerging
a
promising
alternative
due
high
abundance
low
cost
of
sodium
other
raw
materials.
Nevertheless,
commercialization
SIBs,
particularly
grid
storage
applications,
faces
significant
hurdles.
This
perspective
article
aims
identify
critical
challenges
making
SIBs
viable
from
both
chemical
techno‐economic
perspectives.
First,
brief
comparison
materials
chemistry,
working
mechanisms,
between
mainstream
LIB
systems
prospective
SIB
is
provided.
The
intrinsic
regarding
stability,
capacity
utilization,
cycle
calendar
life,
safe
operation
cathode,
electrolyte,
anode
discussed.
Furthermore,
scalability
material
production,
engineering
feasibility,
energy‐dense
electrode
design
fabrication
illustrated.
Finally,
pathways
listed
discussed
toward
achieving
high‐energy‐density,
stable,
cost‐effective
SIBs.
Inorganics,
Journal Year:
2025,
Volume and Issue:
13(3), P. 85 - 85
Published: March 15, 2025
This
study
presents
the
synthesis,
electrochemical
characterization,
and
sensor
application
of
Na3[Fe(CN)5(PZT)],
a
novel
pentacyanidoferrate-based
coordination
compound
incorporating
2-pyrazinylethanethiol
(PZT)
as
ligand.
Unlike
conventional
Prussian
blue
analogues,
this
system
exhibits
enhanced
electrocatalytic
properties
due
to
its
unique
ligand
framework,
which
contributes
increased
charge
transfer
efficiency
stability.
The
complex
was
synthesized
via
controlled
substitution
reaction,
followed
by
UV-Vis
IR
spectroscopy
confirmation
successful
formation.
Na3[Fe(CN)5(PZT)]
were
investigated
using
cyclic
voltammetry
(CV),
differential
pulse
(DPV),
square-wave
(SWV),
impedance
(EIS).
Notably,
modified
electrodes
exhibited
improved
kinetics
catalytic
activity,
making
them
promising
candidates
for
sensing
applications.
Na3[Fe(CN)5(PZT)]-modified
electrode
demonstrated
outstanding
performance
towards
hydrazine
oxidation,
exhibiting
low
detection
limit
7.38
×
10−6
M,
wide
linear
response
range
from
5
64
µmol
L−1,
high
sensitivity.
proposed
enables
precise
quantification
with
selectivity,
positioning
an
effective
mediator
advanced
platforms.
These
findings
provide
new
insights
into
design
next-generation
analogue-based
sensors
superior
analytical
performance.
ChemSusChem,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 9, 2025
The
development
of
sodium‐ion
batteries
is
increasingly
critical
due
to
the
limited
availability
and
rising
cost
lithium
resources,
positioning
a
promising
alternative
lithium‐ion
batteries.
Conventional
Mn‐based
cathode
materials
often
suffer
from
strong
Jahn–Teller
effect
Mn
III
,
leading
structural
instability
capacity
fading.
Herein,
it
demonstrated
that
activating
charge
redistribution
between
adjacent
transition
metals
in
Prussian
blue
analogues,
driven
by
tuning
electronic
conductivity,
plays
crucial
role
mitigating
effect.
X‐ray
absorption
spectroscopy
reveals
interaction
Fe
under
demonstrating
their
complementary
redox
behavior.
Computational
analysis
attributes
this
framework
where
energy
barrier
for
transfer
across
FeCNMn
bonds
modulated
electrode‐level
conductivity.
This
strategy
demonstrates
enhanced
cycle
stability
while
effectively
maintains
activity
beyond
trivalent
state.
Consequently,
presents
distinct
advantage
terms
density,
these
findings
suggest
with
optimized
analogues
can
be
positioned
as
next‐generation
high
density
cycling
performance.
