Lewis Acid–Base Synergistically Enhancing Practical Composite Electrolyte for Fluoride‐ion Batteries at Room Temperature
Hong Cui,
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Xiao Gao,
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Keyu Guo
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et al.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 27, 2025
Abstract
Fluoride‐ion
batteries
(FIBs)
represent
a
potential
“next‐generation”
electrochemical
storage
device,
offering
high
energy
density.
However,
the
practical
implementation
of
FIBs
at
room
temperature
is
impeded
by
limitations
currently
available
ceramic
electrolytes.
Here,
composite
NH
4
HF
2
@PEO@β‐PbSnF
electrolyte
with
both
conductivity
10
−4
S
cm
−1
and
wide
stability
window
(4.59
V
vs
Pb/PbF
)
fabricated.
Field
emission
transmission
electron
microscope
(FETEM)
demonstrates
presence
space
charge
region,
which
enhances
conductivity.
Furthermore,
19
F
NMR
density
functional
theory
(DFT)
calculations
elucidate
that
interaction
between
Sn
2+
(Lewis
acid)
−
base)
induces
significant
modifications
to
electronic
structure,
critically
contribute
enhanced
electrolyte.
Integrating
this
promising
high‐voltage
CuF
cathodes
anodes,
reversible
coin
cell
discharge
capacity
143
mAh
g
up
50
cycles
demonstrated.
The
rational
design
such
electrolytes
offers
pathway
toward
application
temperature.
Language: Английский
Electronic structure, phonons, and Born effective charges in CuLaO2: A first-principles study
Solid State Communications,
Journal Year:
2024,
Volume and Issue:
unknown, P. 115733 - 115733
Published: Oct. 1, 2024
Language: Английский
Summary, Future, and Challenges of Fluoride‐Ion Batteries
Jingwen Li,
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Mingqiang Li,
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Haochen Weng
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et al.
Energy Technology,
Journal Year:
2024,
Volume and Issue:
13(1)
Published: Oct. 16, 2024
Due
to
the
limitations
of
lithium‐ion
batteries
(LIBs),
there
is
an
urgent
need
explore
alternative
energy
storage
technologies.
However,
high‐energy
density
fluoride‐ion
(FIBs)
has
attracted
widespread
attention
as
a
potential
successor
LIBs.
FIBs
are
emerging
low‐cost,
safe,
and
versatile
solution,
with
broad
operating
temperature
range.
With
continuous
efforts
from
researchers,
significant
progress
been
made
in
field
FIBs.
Nevertheless,
compared
traditional
batteries,
research
on
remains
limited,
many
challenges
unexplored
avenues
persist.
This
article
elucidates
principles
FIBs,
summarizes
materials
for
both
cathodes
anodes,
discusses
electrolytes,
addresses
existing
issues.
It
also
outlines
future
directions
applications
As
it
continued
innovate
explore,
hold
promise
revolutionizing
technology,
offering
enhanced
performance,
safety,
sustainability.
Language: Английский
Manganese Electrode for All-Solid-State Fluoride Batteries
Atsushi Inoishi,
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Naoko Setoguchi,
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Megumi Motoyama
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et al.
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.
Language: Английский