Chemical Communications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 24, 2024
MnF
3
was
applied
as
an
electrode
material
for
all-solid-state
fluoride
batteries.
The
initial
discharge
capacity
due
to
defluorination
535
mA
h
g
−1
.
Metallic
Mn
also
reversibly
fluorinated
and
defluorinated
a
starting
material.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
All-solid-state
fluoride-ion
batteries
(FIBs)
have
attracted
extensive
attention
as
candidates
for
next-generation
energy
storage
devices;
however,
promising
cathodes
with
high
density
are
still
lacking.
In
this
study,
Cu3N
is
investigated
a
cathode
material
all-solid-state
batteries,
which
offers
enough
anionic
vacancies
around
the
2-fold
coordinated
Cu
center
F-
intercalation,
thereby
enabling
multielectron-transferred
fluorination
process.
The
contribution
of
both
cationic
and
redox
to
charge
compensation,
in
particular,
generation
molecular
nitrogen
species
highly
charged
states,
has
been
proved
by
several
synchrotron-radiation-based
spectroscopic
technologies.
As
result,
exhibits
reversible
capacity
∼550
mAh
g-1,
exceeding
many
conventional
cathodes.
It
believed
that
new
compensation
chemistry
well
unique
intercalation
behaviors
novel
mixed-anion
Cu-N/F
local
structures
could
bring
insights
into
materials.
Science and Technology of Advanced Materials,
Journal Year:
2024,
Volume and Issue:
25(1)
Published: Oct. 16, 2024
Discoveries
and
technological
innovations
over
the
past
decade
are
transforming
our
understanding
of
properties
ceramics,
such
as
'hard',
'brittle',
'homogeneous'.
For
example,
inorganic
crystals
containing
molecular
anions
exhibit
excellent
secondary
battery
characteristics,
fusion
solids
molecules
results
in
innovative
catalytic
functions
physical
properties.
Different
from
conventional
ceramics
metal
oxides
that
formed
by
monatomic
cations
anions,
unique
can
be
expected
molecular-incorporated
solids,
due
to
asymmetric
dynamic
brought
about
constituent
units.
We
name
materials
produce
supra-ceramics.
In
this
article,
we
describe
various
kinds
supra-ceramics
viewpoint
synthesis,
analysis
properties/functions
for
a
wide
range
applications.
Chemistry of Materials,
Journal Year:
2024,
Volume and Issue:
36(4), P. 1928 - 1940
Published: Feb. 14, 2024
All-solid-state
fluoride-ion
batteries
(FIBs)
have
been
considered
next-generation
energy
storage
devices
because
of
their
high
theoretical
density.
However,
previously
reported
metal/metal
fluoride
active
materials
suffer
from
severe
degradation
due
to
large
volume
expansion;
consequentially,
fluoride-ion-intercalating
fail
deliver
a
capacity.
Here,
oxyfluorosulfide
Sr2F2Fe2OS2
(SFFOS)
with
layer
structure
is
as
topotactic
(de)intercalation
host.
This
material
delivers
reversible
capacity
more
than
340
mAh
g–1,
which
remains
well
maintained
after
20
cycles.
The
intercalation
reaction
mechanism
for
this
and
stable
elucidated
via
X-ray
diffraction
fine
analysis.
Wherein
both
Fe2+/Fe3+
redox
sulfide
ion
are
involved
in
charge
compensation
during
charge/discharge
processes,
where
the
contributes
whole
voltage
range
−1.5
1.5
V
only
middle
state
charge.
Fluoride
ions
can
not
insert
into
Sr–S
interstitial
sites
but
also
combine
Fe
cations.
Meanwhile,
excessive
leads
formation
S–S
bonds
SFFOS
lattice.
These
results
highlight
oxyfluorosulfides
new
class
constructing
high-performance
FIBs.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 17, 2025
Abstract
Fluoride
ion
batteries
(FIBs)
have
garnered
significant
attention
due
to
their
ultrahigh
theoretical
energy
density,
dendrite‐free
safety,
and
resource
abundance.
Although
some
anion
acceptors
been
proposed
address
the
insolubility
of
inorganic
fluoride
salts,
difficulty
in
dissociating
ions
from
results
short
lifespan
extremely
low
specific
capacity
FIBs.
Here,
a
battery
is
demonstrated
with
unprecedented
long
life
through
design
an
acceptor‐multi‐F
state
electrolyte.
The
high
Lewis
acidity
triphenylantimony
chloride
(TSbCl)
as
novel
acceptor
electrolyte
facilitates
complete
dissociation
CsF,
resulting
TSbCl‐F
complex
can
further
interact
form
states.
This
strategy
combines
capability
for
salts
minimal
thermodynamic
barriers
releasing
at
electrode‐electrolyte
interface.
endows
FIBs
durable
reversible
fluorination/defluorination
reaction
(3700
cycles
coulombic
efficiency
99.5%
small
voltage
polarization
30
mV)
(580
mAh
g
−1
after
40
100
mA
).
high‐output
CuF
2
//Li
configuration
(with
discharge
plateau
2.9
V)
larger‐sized
pouch‐type
//Sn+SnF
530
)
are
demonstrated.
Chemical Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 31, 2025
Mixed
anion
compounds
containing
fluorine
and
based
on
3d
transition
elements
represent
a
class
of
materials
with
significant
interest
in
solid-state
chemistry.
Indeed,
their
highly
varied
chemical
composition,
structural
diversity,
the
resulting
electronic
properties
provide
rich
playground
for
imagining
new
applications
field
energy.
The
anions
bonds
they
form
are
at
heart
this
review.
Key
parameters
such
as
electronegativity,
hardness,
polarizability
introduced
discussed
to
better
understand
charge
capacity
formed
solid.
Oxyfluorides
most
studied
family
due
size
similarity
two
anions,
part
review
is
dedicated
specific
synthesis
these
by
systematically
adjusting
content
within
various
structures
analyzing
electrochemical
compositions.
final
sections
focus
often
exhibiting
two-dimensional
character,
where
ionic
blocks
coexist
covalent
layers,
fluorochalcogenides,
fluoropnictides,
fluorotetrelides.
compositions
correlated
properties.
Various
catalytic
reactions
such
as
water
oxidation
to
O2
and
CO2
reduction
have
been
achieved
using
the
surfaces
of
inorganic
materials
reaction
sites,
exemplified
by
oxygen-defect-induced
in
metal
oxides.
In
recent
years,
anion-controlled
post-transition-metal
oxide
attracted
attention.
These
shown
exhibit
unique
reactivity
that
cannot
be
with
oxides
because
effect
paired
anion
species
coexisting
anions.
They
also
enable
highly
difficult
surface
properties
resulting
from
molecular
nature
species.
This
Perspective
reports
on
developments
small-molecule
conversion
catalyzed
materials.