Advanced Energy Materials,
Год журнала:
2022,
Номер
12(47)
Опубликована: Окт. 6, 2022
Abstract
Lithium
nitrate
is
widely
used
as
an
additive
in
electrolytes
to
regulate
the
solid
electrolyte
interphase
(SEI).
However,
application
of
LiNO
3
lithium
metal
batteries
(LMBs)
limited
by
its
extremely
low
solubility
conventional
carbonate‐based
electrolytes.
In
this
study,
a
non‐flammable
deep
eutectic
solvent
(DES)
with
bis(trifluoromethanesulfonyl)imide
and
N‐methylacetamide
(NMAC)
main
components
chosen
LMB
electrolyte.
Using
theoretical
calculations
experiments,
strong
interaction
between
NMAC
proved
be
effective
increasing
(up
4
wt%)
realizing
stable
anion‐rich
SEI
layers.
DES
synergizes
produce
LiF,
Li
x
N,
LiN
O
y
enriched
layer,
which
improves
uniformity
deposition.
particular,
NCM622||DES‐2||Li
full
cells
achieve
84%
capacity
retention
after
600
cycles
at
0.5
C,
far
exceeding
that
carbonate
(56%).
Consequently,
study
provides
new
strategy
for
employing
LMBs,
addition
potential
other
alkali
anode‐free
batteries.
Energy & Environmental Science,
Год журнала:
2021,
Номер
15(2), С. 499 - 528
Опубликована: Дек. 21, 2021
This
review
gives
a
comprehensive
introduction
of
the
solvation
structure
regulation
strategies
for
dendrite-free
and
side
reaction-suppressed
zinc-ion
batteries,
further
proposes
potential
directions
perspectives
research.
eScience,
Год журнала:
2021,
Номер
1(2), С. 163 - 177
Опубликована: Дек. 1, 2021
Lithium-based
batteries
have
had
a
profound
impact
on
modern
society
through
their
extensive
use
in
portable
electronic
devices,
electric
vehicles,
and
energy
storage
systems.
However,
battery
safety
issues
such
as
thermal
runaway,
fire,
explosion
hinder
practical
application,
especially
for
using
metal
anode.
These
problems
are
closely
related
to
the
high
flammability
of
conventional
electrolytes
prompted
study
flame-retardant
nonflammable
electrolytes.
Here,
we
review
recent
research
used
lithium-based
batteries,
including
phosphates,
fluorides,
fluorinated
phosphazenes,
ionic
liquids,
deep
eutectic
solvents,
aqueous
electrolytes,
solid-state
Their
mechanisms
efficiency
discussed,
well
influence
cell
electrochemical
performance.
We
conclude
with
summary
future
prospects
design
construction
safer
batteries.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(31)
Опубликована: Май 24, 2022
Zinc-ion
batteries
(ZIB)
present
great
potential
in
energy
storage
due
to
low
cost
and
high
safety.
However,
the
poor
stability,
dendrite
growth,
narrow
electrochemical
window
limit
their
practical
application.
Herein,
we
develop
a
new
eutectic
electrolyte
consisting
of
ethylene
glycol
(EG)
ZnCl2
for
dendrite-free
long-lifespan
ZIBs.
The
EG
molecules
participate
Zn2+
solvation
via
coordination
hydrogen-bond
interactions.
Optimizing
/EG
molar
ratio
(1
:
4)
can
strengthen
intermolecular
interactions
form
[ZnCl(EG)]+
[ZnCl(EG)2
]+
cations.
dissociation-reduction
these
complex
cations
enables
formation
Cl-rich
organic-inorganic
hybrid
solid
interphase
film
on
Zn
anode,
realizing
highly
reversible
plating/stripping
with
long-term
stability
≈3200
h.
Furthermore,
polyaniline||Zn
cell
manifests
decent
cycling
performance
≈78
%
capacity
retention
after
10
000
cycles,
assembled
pouch
demonstrates
safety
stable
capacity.
This
work
opens
an
avenue
developing
electrolytes
high-safety
Advanced Functional Materials,
Год журнала:
2021,
Номер
32(14)
Опубликована: Дек. 19, 2021
Abstract
Aqueous
Zn‐ion
batteries
(ZIBs)
are
a
promising
energy
storage
technology
due
to
their
intrinsic
safety,
eco‐friendliness,
and
cost‐effectiveness.
However,
aqueous
electrolytes
generally
induce
parasitic
interfacial
reactions
(e.g.,
dendrite
growth
passivation)
that
degrade
the
Zn
metal
anode,
shortening
ZIBs
lifespan.
This
study
develops
novel
hydrated
deep
eutectic
electrolyte
(DEE),
containing
sulfolane
(SL)
Zn(ClO
4
)
2
·6H
O,
prevent
water‐induced
deterioration.
The
strong
coordination
between
SL
2+
triggers
effect,
extending
operating
temperature
window
of
DEE.
unique
water‐in‐DEE
structure
boosts
ionic
diffusion,
promotes
deposition,
reduces
water
reactivity,
as
revealed
by
in‐depth
simulations
experiments.
developed
DEE
suppresses
formation,
allowing
Zn|DEE|Zn
symmetrical
cells
cycle
over
thousands
hours
without
short‐circuiting.
With
polyaniline
(PANI)
cathode,
Zn|DEE|PANI
can
2500
times
with
capacity
72
mAh
g
−1
at
3
A
room
500
73
0.3
−30
°C.
newly
significantly
is
step
forward
for
inexpensive,
stable,
high‐performance
ZIBs.
Aqueous
Zn-ion
batteries
(AZIBs)
have
been
recognized
as
promising
energy
storage
devices
due
to
their
high
theoretical
density
and
cost-effectiveness.
However,
side
reactions
Zn
dendrite
generation
during
cycling
limit
practical
application.
Herein,
ammonium
acetate
(CH
Advanced Functional Materials,
Год журнала:
2022,
Номер
32(25)
Опубликована: Март 20, 2022
Abstract
Despite
the
substantial
progress
in
cathode
materials
past
few
years,
rechargeable
zinc
batteries
(RZBs)
are
plagued
by
rapid
performance
degradation
due
to
dendrite
formation
and
notorious
side
reactions
at
Zn
anode
side.
Here,
an
optimized
hydrated
eutectic
electrolyte
(HEE)
system
containing
methylsulfonylmethane,
perchlorate,
water,
which
organic
ligand
coordinated
solvation
shell
of
ions
with
water
molecules
constituting
network,
is
proposed.
Compared
common
aqueous
solutions,
this
HEE
proven
effective
promoting
smooth
deposition
plating/stripping
reversibility
as
well
suppressing
reactions.
The
vanadium‐based
based
on
new
exhibit
exceptionally
high‐capacity
retention
(≈100%
even
after
1600
cycles
a
relatively
small
current
density
1000
mA
g
−1
).
This
study
offers
type
for
RZBs
deep
understanding
effect
2+
solvent
sheath
structure
cycle
reversibility.
eScience,
Год журнала:
2021,
Номер
1(2), С. 99 - 107
Опубликована: Ноя. 3, 2021
Molten
ZnCl2
hydrates
are
ionic
liquids
at
room
temperature,
which
exhibit
intriguing
physical
and
electrochemical
properties.
Continuous
efforts
have
been
devoted
over
several
decades
to
understanding
the
properties
of
molten
that
dubbed
as
water-in-salt
electrolytes
recently.
The
can
be
described
from
perspectives
ions
in
their
speciation
water
molecules
regarding
chemical
environments.
Recently,
attention
has
given
for
Zn
metal
batteries.
It
was
revealed
such
rich
implications
Therefore,
it
demands
a
holistic
design
functional
serve
high-performing
This
perspective
attempts
review
works
concentrated
an
liquid
emerging
electrolyte.
author
also
provides
highlight
needs
future
research
circumvent
limits
this
Energy & Environmental Science,
Год журнала:
2023,
Номер
16(6), С. 2540 - 2549
Опубликована: Янв. 1, 2023
A
hydrated
deep
eutectic
electrolyte
with
a
water-deficient
solvation
structure
and
reduced
free
water
in
bulk
solution
is
proposed,
resulting
highly
reversible
stable
Zn
anodes.
Chemical Reviews,
Год журнала:
2023,
Номер
123(4), С. 1712 - 1773
Опубликована: Фев. 3, 2023
Organic
batteries
using
redox-active
polymers
and
small
organic
compounds
have
become
promising
candidates
for
next-generation
energy
storage
devices
due
to
the
abundance,
environmental
benignity,
diverse
nature
of
resources.
To
date,
tremendous
research
efforts
been
devoted
developing
advanced
electrode
materials
understanding
material
structure–performance
correlation
in
batteries.
In
contrast,
less
attention
was
paid
between
electrolyte
structure
battery
performance,
despite
critical
roles
electrolytes
dissolution
materials,
formation
electrode–electrolyte
interphase,
solvation/desolvation
charge
carriers.
this
review,
we
discuss
prospects
challenges
with
an
emphasis
on
electrolytes.
The
differences
inorganic
terms
property
requirements
mechanisms
are
elucidated.
provide
a
comprehensive
thorough
overview
development
batteries,
divided
into
four
categories
including
liquid
electrolytes,
aqueous
solid
polymer-based
introduce
different
components,
concentrations,
additives,
applications
various
carriers,
interphases,
separators.
perspectives
outlook
future
also
discussed
guidance
design
optimization
We
believe
that
review
will
stimulate
in-depth
study
accelerate
commercialization
