EcoMat,
Journal Year:
2022,
Volume and Issue:
4(4)
Published: March 22, 2022
Abstract
The
performance
of
Li
batteries
is
influenced
by
the
+
solvation
structure,
which
can
be
precisely
adjusted
components
electrolytes.
In
this
review,
we
overview
strategies
for
optimizing
electrolyte
structures
from
three
different
perspectives,
including
anion
regulation,
binding
energy
and
additive
regulation.
These
optimize
composition
electrode‐electrolyte
interface,
enhance
anti‐oxidative
stability
electrolytes
as
well
regulate
behaviors
anions,
solvents,
during
cycling
process.
Moreover,
also
provide
our
insights
into
these
aspects
present
perspectives
on
high‐performance
batteries.
image
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(3)
Published: Nov. 1, 2023
Aqueous
batteries
are
emerging
as
highly
promising
contenders
for
large-scale
grid
energy
storage
because
of
uncomplicated
assembly,
exceptional
safety,
and
cost-effectiveness.
The
unique
aqueous
electrolyte
with
a
rich
hydrogen
bond
(HB)
environment
inevitably
has
significant
impact
on
the
electrode
materials
electrochemical
processes.
While
numerous
reviews
have
focused
design
assembly
batteries,
utilization
HB
chemistry
is
overlooked.
Herein,
instead
merely
compiling
recent
advancements,
this
review
presents
comprehensive
summary
analysis
profound
implication
exerted
by
all
components
batteries.
Intricate
links
between
novel
various
ingeniously
constructed
within
critical
aspects,
such
self-discharge,
structural
stability
materials,
pulverization,
solvation
structures,
charge
carrier
diffusion,
corrosion
reactions,
pH
sensitivity,
water
splitting,
polysulfides
shuttle,
H
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(29)
Published: April 20, 2023
Aqueous
electrolytes
are
highly
important
for
batteries
due
to
their
sustainability,
greenness,
and
low
cost.
However,
the
free
water
molecules
react
violently
with
alkali
metals,
rendering
high-capacity
of
alkali-metal
anodes
unusable.
Here,
confined
in
a
carcerand-like
network
build
quasi-solid
aqueous
(QAEs)
reduced
molecules'
freedom
matched
low-cost
chloride
salts.
The
formed
QAEs
possess
substantially
different
properties
than
liquid
molecules,
including
stable
operation
without
gas
evolution.
Specifically,
can
directly
cycle
water-based
environment
suppressed
growth
dendrites,
electrode
dissolution,
polysulfide
shuttle.
Li-metal
symmetric
cells
achieved
long-term
cycling
over
7000
h
(and
5000/4000
Na/K
cells),
all
Cu-based
exhibited
Coulombic
efficiency
99%.
Full
metal
batteries,
such
as
Li||S
attained
high
efficiency,
long
life
(over
4000
cycles),
unprecedented
energy
density
among
rechargeable
batteries.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(48)
Published: Nov. 7, 2023
Abstract
Aqueous
zinc
ion
batteries
(ZIBs)
are
troubled
by
the
severe
Zn
dendrite
growth
and
side
reactions,
manifesting
as
low
coulombic
efficiency
poor
cyclic
stability.
Electrolyte
engineering
is
regarded
an
efficient
method
to
improve
metal
reversibility.
Herein,
a
distinctive
electrolyte
regulation
strategy
demonstrated
for
long‐lasting
ZIBs
through
construction
of
competitive
solvation
structures.
In
composite
aqueous
system,
insoluble
LiNO
3
in
dimethyl
carbonate
(DMC)
introduced
outwit
active
water
dissociation
from
2+
coordination
environment,
organic/anion‐enriched
structure
enables
formation
stable
interface
effectively
restrain
adverse
reactions.
Distinctly,
anode
exhibits
inhibited
with
high
reversibility
plating/stripping
processes
over
1600
h
exceptional
cumulative
capacity
16
Ah
cm
−2
,
ultra‐long
lifespan
high‐temperature
(50
°C),
discharge
depth
(65%).
Furthermore,
||
V
2
O
5
full
battery
can
operate
stably
1000
cycles
at
1
A
g
−1
.
This
work
points
direction
solve
major
challenges
collaborative
regulated
environment
interfacial
chemistry.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Feb. 18, 2023
Abstract
Rechargeable
halide-ion
batteries
(HIBs)
are
good
candidates
for
large-scale
due
to
their
appealing
energy
density,
low
cost,
and
dendrite-free
features.
However,
state-of-the-art
electrolytes
limit
the
HIBs’
performance
cycle
life.
Here,
via
experimental
measurements
modelling
approach,
we
demonstrate
that
dissolutions
in
electrolyte
of
transition
metal
elemental
halogen
from
positive
electrode
discharge
products
negative
cause
HIBs
failure.
To
circumvent
these
issues,
propose
combination
fluorinated
low-polarity
solvents
with
a
gelation
treatment
prevent
at
interphase,
thus,
improving
performance.
Using
this
develop
quasi-solid-state
Cl-ion-conducting
gel
polymer
electrolyte.
This
is
tested
single-layer
pouch
cell
configuration
an
iron
oxychloride-based
lithium
25
°C
125
mA
g
–1
.
The
delivers
initial
capacity
210
mAh
retention
almost
80%
after
100
cycles.
We
also
report
assembly
testing
fluoride-ion
bromide-ion
cells
using
halide-ion-conducting
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(25), P. 13828 - 13838
Published: May 31, 2023
Localized
"water-in-salt"
(LWIS)
electrolytes
are
promising
candidates
for
the
next
generation
of
high-voltage
aqueous
with
low
viscosity/salt
beyond
high-salt
electrolytes.
An
effective
yet
high-function
diluent
mainly
determines
properties
LWIS
electrolytes,
being
a
key
issue.
Herein,
donor
number
solvents
is
identified
to
serve
as
descriptor
interaction
intensity
between
and
salts
screen
organic
diluents
having
few
impacts
on
solvation
microenvironment
intrinsic
original
electrolyte,
further
leading
construction
novel
low-viscosity
electrolyte
dosage
LiNO3
salt
well-kept
Li+-NO3--H2O
clusters.
Nonsolvating
diluents,
especially
acetonitrile
(AN)
that
has
never
been
reported
previously,
presented
capability
constructing
nonflammability,
electrode-philic
features,
lower
viscosity,
decreased
dosage,
greatly
enhanced
ion
diffusion
coefficient
by
about
280
times.
This
strongly
relies
huge
difference
5000
times
in
coordination
solubility
AN
H2O
toward
(0.05
vs
25
mol
kgsolvent-1)
moderate
H2O.
Multi-spectroscopic
techniques
molecular
dynamics
simulations
uncover
chemistry
at
microscopic
level
interplay
among
cations,
anions,
without/with
AN.
The
unique
diluting
nonsolvating
effects
reveal
well-maintained
cation-anion-H2O
clusters
intermolecular
hydrogen
bonding
H2O,
reinforcing
stability
expanding
voltage
window
up
3.28
V.
breakthrough
far
high-viscosity/salt
high-rate
supercapacitors.
