Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 11, 2024
Sodium
metal
batteries
(SMBs)
have
received
increasing
attention
due
to
the
abundant
sodium
resources
and
high
energy
density,
but
suffered
from
sluggish
interfacial
kinetic
unstable
plating/stripping
of
anode
at
low
temperature,
especially
when
matched
with
ester
electrolytes.
Here,
we
develop
a
stable
ultra-low-temperature
SMBs
high-capacity
retention
-50
°C
in
weak
solvated
carbonate
ester-based
electrolyte,
combined
an
electrodeposited
Na
(Cu/Na)
anode.
The
Cu/Na
electrochemically
activated
"deposited
sodium"
inorganic-rich
solid
electrolyte
interphase
(SEI)
is
favor
for
fast
Good
safety,
high
interfacial
compatibility,
low
cost,
and
facile
processability
make
polymer-based
solid
electrolytes
promising
materials
for
next-generation
batteries.
Key
issues
related
to
electrolytes,
such
as
synthesis
methods,
ionic
conductivity,
battery
architecture,
are
investigated
in
past
decades.
However,
mechanistic
understanding
of
the
conduction
is
still
lacking,
which
impedes
design
optimization
electrolytes.
In
this
review,
mechanisms
strategies
including
solvent-free
polymer
composite
quasi-solid/gel
summarized
evaluated.
Challenges
enhancing
conductivity
elaborated,
while
ion-pair
dissociation,
ion
mobility,
relaxation,
interactions
at
polymer/filler
interfaces
highlighted.
This
comprehensive
review
especially
pertinent
targeted
enhancement
Li-ion
Nano-Micro Letters,
Год журнала:
2023,
Номер
15(1)
Опубликована: Март 29, 2023
Abstract
Zinc
ion
hybrid
capacitors
(ZIHCs),
which
integrate
the
features
of
high
power
supercapacitors
and
energy
zinc
batteries,
are
promising
competitors
in
future
electrochemical
storage
applications.
Carbon-based
materials
deemed
competitive
candidates
for
cathodes
ZIHC
due
to
their
cost-effectiveness,
electronic
conductivity,
chemical
inertness,
controllable
surface
states,
tunable
pore
architectures.
In
recent
years,
great
research
efforts
have
been
devoted
further
improving
density
cycling
stability
ZIHCs.
Reasonable
modification
optimization
carbon-based
offer
a
remedy
these
challenges.
this
review,
structural
design,
properties
cathode
with
different
dimensions,
as
well
selection
compatible,
robust
current
collectors
separators
ZIHCs
discussed.
The
challenges
prospects
showcased
guide
innovative
development
novel
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(33)
Опубликована: Июнь 11, 2022
Alloy-type
anodes
are
one
of
the
most
promising
classes
next-generation
anode
materials
due
to
their
ultrahigh
theoretical
capacity
(2-10
times
that
graphite).
However,
current
alloy-type
have
several
limitations:
huge
volume
expansion,
high
tendency
fracture
and
disintegrate,
an
unstable
solid-electrolyte
interphase
(SEI)
layer,
low
Coulombic
efficiency.
Efforts
overcome
these
challenges
ongoing.
This
Review
details
recent
progress
in
research
batteries
based
on
discusses
direction
future
development.
We
conclude
improvements
structural
design,
introduction
a
protective
interface,
selection
suitable
electrolytes
effective
ways
improve
performance
anodes.
Furthermore,
studies
should
direct
more
attention
toward
analyzing
synergistic
promoting
effect.
Advanced Materials,
Год журнала:
2022,
Номер
34(39)
Опубликована: Авг. 13, 2022
High
room-temperature
ionic
conductivities,
large
Li+
-ion
transference
numbers,
and
good
compatibility
with
both
Li-metal
anodes
high-voltage
cathodes
of
the
solid
electrolytes
are
essential
requirements
for
practical
solid-state
lithium-metal
batteries.
Herein,
a
unique
"superconcentrated
ionogel-in-ceramic"
(SIC)
electrolyte
prepared
by
an
in
situ
thermally
initiated
radical
polymerization
is
reported.
Solid-state
static
7
Li
NMR
molecular
dynamics
simulation
reveal
roles
ceramic
local
environments
transport
SIC
electrolyte.
The
not
only
exhibits
ultrahigh
conductivity
1.33
×
10-3
S
cm-1
at
25
°C,
but
also
number
as
high
0.89,
together
low
electronic
3.14
10-10
wide
electrochemical
stability
window
5.5
V
versus
Li/Li+
.
Applications
Li||LiNi0.5
Co0.2
Mn0.3
O2
Li||LiFePO4
batteries
further
demonstrate
rate
long
cycle
life.
This
study,
therefore,
provides
promising
hybrid
safe
high-energy
Advanced Functional Materials,
Год журнала:
2023,
Номер
unknown
Опубликована: Дек. 31, 2023
Abstract
Ionogels,
composed
of
ionic
liquids
and
supporting
networks,
possess
a
plethora
exceptional
properties,
including
nonvolatility,
remarkable
thermal
electrochemical
stability,
elevated
mechanical
strength,
as
well
outstanding
conductivity.
Based
on
these
extraordinary
characteristics,
ionogels
have
found
extensive
applications
in
diverse
fields
encompassing
functional
materials,
sensors,
soft
electronics,
solid
electrolytes,
biomedicine.
In
recent
years,
witnessed
significant
advancements
emerged
highly
popular
subject
matter.
Consequently,
this
review
provides
comprehensive
overview
the
latest
progress
made
realm
ionogels.
The
preparation
methods
are
initially
introduced
following
concise
introduction.
Subsequently,
properties
ionogels,
high
low
temperature
resistance,
conductivity,
stimuli‐response
self‐healing
recyclability
their
structure‐property
relationships,
comprehensively
discussed.
Moreover,
utilization
skins,
adhesions
other
domains
also
elaborated
upon
extensively.
Finally,
after
succinct
summary,
challenges
prospects
regarding
future
development
thoroughly
deliberated.
Advanced Materials,
Год журнала:
2023,
Номер
35(30)
Опубликована: Апрель 22, 2023
Dual-ion
batteries
(DIBs)
have
been
attracting
great
attention
for
the
storage
of
stationary
energy
due
to
their
low
cost,
environmental
friendliness,
and
high
working
voltage.
However,
most
reports
on
DIBs
involve
low-mass-loading
electrodes
(<2.5
mg),
while
use
mass-loading
(>10
mg
cm-2
),
which
are
critical
practical
application,
is
overlooked.
Herein,
an
integrated
free-standing
functional
carbon
positive
electrode
(named
MSCG)
with
a
"point-line-plane"
hierarchical
architecture
at
level
ultrahigh
(>50
)
developed
high-energy-density
DIBs.
The
rationally
designed
microstructure
advanced
assembly
method
that
adopted
produce
well-interconnected
ion/electron
transport
channel
in
MSCG
electrode,
confers
rapid
kinetic
properties
maintaining
good
mechanical
properties.
Consequently,
ultrahigh-mass-loading
exhibits
discharge
capacity
100.5
mAh
g-1
0.5
C
(loading
mass
50
long-term
cycling
performance
retention
87.7%
1
after
500
cycles
23
).
Moreover,
DIB
achieves
density
379
Wh
kg-1
based
materials,
highest
value
recorded
date
any
ACS Nano,
Год журнала:
2022,
Номер
16(10), С. 15528 - 15536
Опубликована: Сен. 21, 2022
The
growing
trend
of
intelligent
devices
ranging
from
wearables
and
soft
robots
to
artificial
intelligence
has
set
a
high
demand
for
smart
batteries.
Hydrogels
provide
opportunities
batteries
self-adjust
their
functions
according
the
operation
conditions.
Despite
progress
in
hydrogel-based
batteries,
gap
remains
between
designable
diverse
hydrogels
expected
performance
In
this
Perspective,
we
first
briefly
introduce
fundamentals
hydrogels,
including
formation,
structure,
characteristics
internal
water
ions.
Batteries
that
operate
under
unusual
mechanical
temperature
conditions
enabled
by
are
highlighted.
Challenges
further
development
outlined
propose
future
research
toward
all-climate
power
sources
wearables.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(15)
Опубликована: Фев. 1, 2023
Sodium-ion
batteries
(SIBs)
have
great
potential
for
large-scale
energy
storage.
Cellulose
is
an
attractive
material
sustainable
separators,
but
some
key
issues
still
exist
affecting
its
application.
Herein,
a
cellulose-based
composite
separator
(CP@PPC)
was
prepared
by
immersion
curing
of
separators
(CP)
with
poly(propylene
carbonate)
(PPC).
With
the
assistance
PPC,
CP@PPC
able
to
operate
cell
stably
at
high
voltages
(up
4.95
V).
The
"pore-hopping"
ion
transport
mechanism
in
opens
up
extra
Na+
migration
paths,
resulting
transference
number
(0.613).
can
also
tolerate
folding,
bending
and
extreme
temperature
under
certain
circumstances.
Full
cells
reveal
one-up
capacity
retention
(96.97
%)
2C
after
500
cycles
compared
CP.
highlights
merits
electrolyte
analogs
modification,
making
rational
design
durable
devices
advanced
storage
systems.
