Energy Sources Part A Recovery Utilization and Environmental Effects,
Год журнала:
2023,
Номер
45(2), С. 5159 - 5172
Опубликована: Май 3, 2023
Iron
chelate
desulfurization
is
a
popular
method
in
the
coking
industry
due
to
its
low
generation
of
secondary
salts.
The
conversion
sulfur
compounds
system
plays
crucial
role
this
process.
In
paper,
favorable
conditions
for
formation
polysulfide
ions
(Sx2-)
were
investigated
by
ultraviolet-visible
spectrophotometry
(UV-Vis)
reaction
EDTA-Fe
and
Na2S.
solution
was
analyzed
high-performance
liquid
chromatography
(HPLC),
aiming
obtain
main
forms
presence
Sx2-
after
reaction.
HS−
first
converted
Sx2-,
then
elemental
(S8).
experimental
range,
concentration
increased
with
increasing
ratio
reactants
(c(Na2S)/c(EDTA-Fe))
decreasing
temperature,
maximal
at
pH
9.84.
At
c(Na2S)/c(EDTA-Fe)
120,
reached
maximum,
which
S32--S102-.
When
130,
S8
generated,
as
on
basis,
time
appear
shortened
from
21
min
12
min.
Therefore,
study
rules
iron
provides
both
ideas
suppress
by-salts
new
evidence
reveal
common
problem
wet
catalytic
oxidation
Abstract
Solid‐state
batteries
(SSBs)
have
received
significant
attention
due
to
their
high
energy
density,
reversible
cycle
life,
and
safe
operations
relative
commercial
Li‐ion
using
flammable
liquid
electrolytes.
This
review
presents
the
fundamentals,
structures,
thermodynamics,
chemistries,
electrochemical
kinetics
of
desirable
solid
electrolyte
interphase
(SEI)
required
meet
practical
requirements
anodes.
Theoretical
experimental
insights
for
metal
nucleation,
deposition,
stripping
cycling
anodes
are
provided.
Ion
transport
mechanisms
state‐of‐the‐art
solid‐state
electrolytes
(SEs)
discussed
realizing
high‐performance
cells.
The
interface
challenges
strategies
also
concerned
with
integration
SEs,
anodes,
cathodes
large‐scale
SSBs
in
terms
physical/chemical
contacts,
space‐charge
layer,
interdiffusion,
lattice‐mismatch,
dendritic
growth,
chemical
reactivity
SEI,
current
collectors,
thermal
instability.
recent
innovations
anode
chemistries
developed
by
SEs
highlighted
monovalent
(lithium
(Li
+
),
sodium
(Na
potassium
(K
))
multivalent
(magnesium
(Mg
2+
zinc
(Zn
aluminum
(Al
3+
calcium
(Ca
cation
carriers
(i.e.,
lithium‐metal,
lithium‐sulfur,
sodium‐metal,
potassium‐ion,
magnesium‐ion,
zinc‐metal,
aluminum‐ion,
calcium‐ion
batteries)
compared
those
counterparts.
Angewandte Chemie,
Год журнала:
2024,
Номер
136(10)
Опубликована: Янв. 20, 2024
Abstract
Aluminum−sulfur
(Al−S)
batteries
are
promising
energy
storage
devices
due
to
their
high
theoretical
capacity,
low
cost,
and
safety.
However,
the
viscosity
inferior
ion
transport
of
conventionally
used
ionic
liquid
electrolytes
(ILEs)
limit
kinetics
Al−S
batteries,
especially
at
sub‐zero
temperatures.
Herein,
locally
concentrated
(LCILE)
formed
via
diluting
ILEs
with
non‐solvating
1,2‐difluorobenzene
(dFBn)
co‐solvent
proposed
for
wide‐temperature‐range
batteries.
The
addition
dFBn
effectively
promotes
fluidity
conductivity
without
affecting
AlCl
4
−
/Al
2
Cl
7
equilibrium,
which
preserves
reversible
stripping/plating
aluminum
further
overall
As
a
result,
cells
employing
LCILE
exhibit
higher
specific
better
cyclability,
lower
polarization
respect
neat
ILE
in
wide
temperature
range
from
−20
40
°C.
For
instance,
sustain
remarkable
capacity
507
mAh
g
−1
after
300
cycles
20
°C,
while
only
229
is
delivered
dFBn‐free
electrolyte
under
same
condition.
This
work
demonstrates
favorable
use
LCILEs
wide‐temperature
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 11, 2025
Abstract
Rechargeable
aluminum‐sulfur
batteries
(Al‐S)
are
emerging
as
a
promising
alternative
energy
storage
system
beyond
lithium‐ion
due
to
their
high
density,
abundant
material
resources,
and
economic
efficiency.
However,
practical
application
remains
challenged
by
sluggish
conversion
kinetics,
polysulfide
shuttling,
low
sulfur
cathode
utilization.
While
extensive
studies
have
focused
on
enhancing
adsorption
through
catalytic
strategies,
the
roles
of
electronic
structure
in
dictating
performance
remain
underexplored.
Here,
this
work
unveils
critical
effect
unpaired
single
atom
ferromagnetic
transition
metals
systematic
evaluation
three
typical
atomically
dispersed
atoms—Fe,
Co,
Ni—supported
porous
carbon
(denoted
PC‐SAFAs).
Comprehensive
characterizations
density
functional
theory
(DFT)
calculations
reveal
that
PC‐SAFe
catalysts,
exhibiting
highest
spin
polarization
arising
from
electrons,
demonstrate
strongest
interactions
with
polysulfide,
thereby
facilitating
rapid
reversible
reactions.
Consequently,
Al‐S
incorporating
optimized
achieve
an
impressive
specific
capacity
508.8
mAh
g
−1
at
1.0
A
after
500
cycles,
along
much
improved
rate
capability.
This
provides
deeper
understanding
role
chemistry,
offers
new
insights
for
developing
high‐performance
batteries.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(10)
Опубликована: Янв. 20, 2024
Abstract
Aluminum−sulfur
(Al−S)
batteries
are
promising
energy
storage
devices
due
to
their
high
theoretical
capacity,
low
cost,
and
safety.
However,
the
viscosity
inferior
ion
transport
of
conventionally
used
ionic
liquid
electrolytes
(ILEs)
limit
kinetics
Al−S
batteries,
especially
at
sub‐zero
temperatures.
Herein,
locally
concentrated
(LCILE)
formed
via
diluting
ILEs
with
non‐solvating
1,2‐difluorobenzene
(dFBn)
co‐solvent
proposed
for
wide‐temperature‐range
batteries.
The
addition
dFBn
effectively
promotes
fluidity
conductivity
without
affecting
AlCl
4
−
/Al
2
Cl
7
equilibrium,
which
preserves
reversible
stripping/plating
aluminum
further
overall
As
a
result,
cells
employing
LCILE
exhibit
higher
specific
better
cyclability,
lower
polarization
respect
neat
ILE
in
wide
temperature
range
from
−20
40
°C.
For
instance,
sustain
remarkable
capacity
507
mAh
g
−1
after
300
cycles
20
°C,
while
only
229
is
delivered
dFBn‐free
electrolyte
under
same
condition.
This
work
demonstrates
favorable
use
LCILEs
wide‐temperature
Nanoscale,
Год журнала:
2023,
Номер
15(21), С. 9256 - 9289
Опубликована: Янв. 1, 2023
Functional
organic
materials
with
structural
designability
and
sustainability
offer
an
attractive
solution
to
promote
the
interfacial
engineering
on
metal
anodes,
including
SEI
modification,
3D
skeleton
construction,
gel/solid-state
electrolytes.
ACS Nano,
Год журнала:
2023,
Номер
17(24), С. 25234 - 25242
Опубликована: Дек. 8, 2023
Aluminum-sulfur
(Al-S)
batteries
have
attracted
extensive
interest
due
to
their
high
theoretical
energy
density,
inherent
safety,
and
low
cost.
However,
severe
polarization
poor
cycling
performance
significantly
limit
the
development
of
Al-S
batteries.
Herein,
three-dimensional
(3D)
nitrogen-doped
carbonaceous
networks
anchored
with
cobalt
(Co@CMel-ZIF)
is
proposed
as
a
separator
modification
layer
mitigate
these
issues,
prepared
via
carbonizations
mixture
ZIF-7,
melamine,
CoCl2.
It
exhibits
3D
network
structure
moderate
surface
area
average
pore
diameter,
which
demonstrated
be
effective
in
adsorbing
aluminum
polysulfides
hindering
mobility
across
for
enhanced
cyclic
stability
Meanwhile,
Co@CMel-ZIF
are
characterized
by
abundant
catalytic
pyridinic-N
Co-Nx
active
sites
that
effectively
eliminate
barrier
sulfides'
conversion
thereby
facilitate
reduction.
As
result,
cells
based
on
modified
exhibit
voltage
0.47
V
under
current
density
50
mA
g-1
at
20
°C
discharge
specific
capacity
503
mAh
after
150
cycles.
In
contrast,
cell
employing
bare
1.01
300
70
cycles
same
conditions.
This
work
demonstrates
modifying
separators
promising
strategy
cyclability
