Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(40)
Published: July 3, 2024
Abstract
Since
the
discovery
in
2000,
conversion‐type
materials
have
emerged
as
a
promising
negative‐electrode
candidate
for
next‐generation
batteries
with
high
capacity
and
tunable
voltage,
limited
by
low
reversibility
severe
voltage
hysteresis.
Heterogeneous
construction
stands
out
cost‐effective
efficient
approach
to
reducing
reaction
barriers
enhancing
energy
density.
However,
second
term
introduced
conventional
heterostructure
inevitably
complicates
electrochemical
analysis
poses
great
challenges
harvesting
systematic
insights
theoretical
guidance.
A
model
cell
is
designed
established
herein
conversion
reactions
between
Na
TM
SA
−SnO
2
,
where
represents
single
atom
modification
of
eight
different
3d
transition
elements
(V,
Cr,
Mn,
Fe,
Co,
Ni,
Cu
or
Zn).
Such
unit
fundamentally
eliminates
interference
from
phase
thus
enables
independent
exploration
activation
manifestations
heterogeneous
architecture.
For
first
time,
thermodynamically
dependent
catalytic
effect
proposed
verified
through
statistical
data
analysis.
The
mechanism
behind
unveiled
further
elucidated
which
active
d
orbitals
metals
weaken
surface
covalent
bonds
lower
barriers.
This
research
provides
both
practical
demonstrations
advanced
electrodes.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 2, 2024
The
development
of
high-performance
sodium-ion
batteries
(SIBs)
relies
on
enhancing
the
electrochemical
properties
electrodes,
particularly
transition
metal
compounds
(TMCs)
through
effective
carbon
coatings.
Herein,
a
straightforward
approach
using
polymerized
natural
pitch-derived
(PNPC)
via
step-growth
polymerization
regulates
lattice
strain
in
Ni
Advanced Science,
Journal Year:
2024,
Volume and Issue:
12(2)
Published: Nov. 18, 2024
Abstract
Sodium‐storage
performance
of
pyrite
FeS
2
is
greatly
improved
by
constructing
various
‐based
nanostructures
to
optimize
its
ion‐transport
kinetics
and
structural
stability.
However,
less
attention
has
been
paid
rapid
capacity
degradation
electrode
failure
caused
the
irreversible
phase‐transition
intermediate
Na
x
polysulfides
dissolution
upon
cycling.
Under
guidance
theoretical
calculations,
coupling
nanoparticles
with
honeycomb‐like
nitrogen‐doped
carbon
(NC)
nanosheet
supported
single‐atom
manganese
(SAs
Mn)
catalyst
(FeS
/SAs
Mn@NC)
via
atomic‐interface
engineering
proposed
address
above
challenge.
Systematic
electrochemical
analyses
results
unveil
that
functional
integration
such
two
type
components
can
significantly
enhance
ionic
conductivity,
accelerate
charge
transfer
efficiency,
improve
+
‐adsorption
capability.
Particularly,
SAs
Mn@NC
Mn‐N
coordination
center
reduce
decomposition
barrier
S
further
reversible
phase
transformation
Fe/Na
S→NaFeS
→FeS
decomposition.
As
predicted,
showcases
outstanding
rate
capability
fascinating
cyclic
durability.
A
sequence
kinetic
studies
ex
situ
characterizations
provide
comprehensive
understanding
for
phase‐transformation
process.
Its
practical
use
demonstrated
in
sodium‐ion
full
cell
capacitor
impressive
excellent
energy‐density
output.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 30, 2024
Abstract
Sodium‐ion
batteries
(SIBs)
have
become
one
of
the
most
promising
candidates
for
large‐scale
energy
storage
applications.
Metal
chalcogenides
anode
materials
based
on
alloying
or
conversion
reactions
are
widely
studied
because
their
high
theoretical
capacities
and
rich
redox
reactions.
However,
intrinsic
limitations
such
as
voltage
hysteresis
large
volume
expansion
hinder
further
The
construction
heterostructures
has
an
attractive
strategy
to
alleviate
above
issues.
formation
built
in
electric
fields
(BIEFs)
at
heterointerfaces
will
accelerate
migration
Na
+
electrons.
Moreover,
can
also
enhance
structural
stability,
generate
more
active
sites
provide
additional
capacity.
It
is
worth
noting
that
heterointerfacial
properties
play
a
significant
role
promoting
overall
electrochemical
performance
heterostructures.
systematic
understanding
interfacial
engineering
currently
lacking.
This
article
reviews
research
progress
metal
chalcogenides‐based
heterostructure
near
term.
First,
definition,
classification
roles
introduced.
Second,
detailed
chalcogenide‐based
anodes
SIBs
discussed.
Finally,
future
prospects
potential
directions
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(40)
Published: July 3, 2024
Abstract
Since
the
discovery
in
2000,
conversion‐type
materials
have
emerged
as
a
promising
negative‐electrode
candidate
for
next‐generation
batteries
with
high
capacity
and
tunable
voltage,
limited
by
low
reversibility
severe
voltage
hysteresis.
Heterogeneous
construction
stands
out
cost‐effective
efficient
approach
to
reducing
reaction
barriers
enhancing
energy
density.
However,
second
term
introduced
conventional
heterostructure
inevitably
complicates
electrochemical
analysis
poses
great
challenges
harvesting
systematic
insights
theoretical
guidance.
A
model
cell
is
designed
established
herein
conversion
reactions
between
Na
TM
SA
−SnO
2
,
where
represents
single
atom
modification
of
eight
different
3d
transition
elements
(V,
Cr,
Mn,
Fe,
Co,
Ni,
Cu
or
Zn).
Such
unit
fundamentally
eliminates
interference
from
phase
thus
enables
independent
exploration
activation
manifestations
heterogeneous
architecture.
For
first
time,
thermodynamically
dependent
catalytic
effect
proposed
verified
through
statistical
data
analysis.
The
mechanism
behind
unveiled
further
elucidated
which
active
d
orbitals
metals
weaken
surface
covalent
bonds
lower
barriers.
This
research
provides
both
practical
demonstrations
advanced
electrodes.
