Angewandte Chemie International Edition,
Год журнала:
2021,
Номер
61(7)
Опубликована: Дек. 10, 2021
The
practical
application
of
lithium-sulfur
batteries
is
still
limited
by
the
lithium
polysulfides
(LiPSs)
shuttling
effect
on
S
cathode
and
uncontrollable
Li-dendrite
growth
Li
anode.
Herein,
elaborately
designed
WSe2
flakelets
immobilized
N-doped
graphene
(WSe2
/NG)
with
abundant
active
sites
are
employed
to
be
a
dual-functional
host
for
satisfying
both
anode
synchronously.
On
cathode,
/NG
strong
interaction
towards
LiPSs
can
act
as
redox
accelerator
promote
bidirectional
conversion
LiPSs.
anode,
excellent
lithiophilic
features
regulate
uniform
plating/stripping
mitigate
dendrite.
Taking
advantage
these
merits,
assembled
Li-S
full
exhibit
remarkable
rate
performance
stable
cycling
stability
even
at
higher
sulfur
loading
10.5
mg
cm-2
negative
positive
electrode
capacity
(N/P)
ratio
1.4
:
1.
Advanced Materials,
Год журнала:
2023,
Номер
35(32)
Опубликована: Май 11, 2023
Lithium-sulfur
(Li-S)
battery
is
a
promising
energy
storage
system
due
to
its
cost
effectiveness
and
high
density.
However,
formation
of
Li
dendrites
from
metal
anode
shuttle
effect
lithium
polysulfides
(LiPSs)
S
cathode
impede
practical
application.
Herein,
ultrafine
ZnS
nanodots
are
uniformly
grown
on
2D
MXene
nanosheets
by
low-temperature
(60
°C)
hydrothermal
method
for
the
first
time.
Distinctively,
nanodot-decorated
(ZnS/MXene)
can
be
easily
filtered
flexible
freestanding
film
in
several
minutes.
The
ZnS/MXene
used
as
current
collector
Li-metal
promote
uniform
deposition
superior
lithiophilicity
nanodots.
powders
obtained
freeze
drying
separator
decorator
address
LiPSs
their
excellent
adsorbability.
Theoretical
calculation
proves
that
existence
obviously
improve
adsorption
ability
with
Li+
LiPSs.
Li-S
full
cells
composite
modified
exhibit
remarkable
rate
cycling
performance.
Other
transition
sulfides
(CdS,
CuS,
etc.)
also
strategy.
Advanced Energy Materials,
Год журнала:
2022,
Номер
12(20)
Опубликована: Апрель 10, 2022
Abstract
Ionic
conduction
plays
a
critical
role
in
the
process
of
electrode
reactions
and
charge
transfer
kinetics
rechargeable
battery.
Covalent
organic
frameworks
(COFs)
have
emerged
as
an
exciting
new
class
ionic
conductors,
made
great
progress
terms
their
application
batteries.
The
unique
features
COFs,
such
well‐defined
directional
channels,
functional
diversity,
structural
robustness,
endow
COF‐based
conductors
with
low
diffusion
energy
barrier
excellent
temperature
tolerance,
which
are
much
superior
to
classic
inorganic
or
polymer
conductors.
Here,
comprehensive
analysis
summary
ion‐conducting
behavior
presented,
design
principles
for
COFs
emphasized.
Moreover,
systematic
overview
recent
development
serving
electrodes,
separators,
solid
electrolytes,
artificial
interphase
materials
diverse
battery
applications,
metal‐ion
batteries,
lithium
metal
lithium–sulfur
lithium–CO
2
zinc–air
etc.,
is
proposed.
This
review
expected
provide
theoretical
guidance
novel
kinds
conductor
bearing
intrinsic
framework
structures
boost
further
research
enthusiasm
ACS Nano,
Год журнала:
2021,
Номер
15(8), С. 12741 - 12767
Опубликована: Авг. 5, 2021
Metal
anodes
based
on
a
plating/stripping
electrochemistry
such
as
metallic
Li,
Na,
K,
Zn,
Ca,
Mg,
Fe,
and
Al
are
recognized
promising
anode
materials
for
constructing
next-generation
high-energy-density
rechargeable
metal
batteries
owing
to
their
low
electrochemical
potential,
high
theoretical
specific
capacity,
superior
electronic
conductivity,
etc.
However,
inherent
issues
chemical
reactivity,
severe
growth
of
dendrites,
huge
volume
changes,
unstable
interface
largely
impede
practical
application.
Covalent
organic
frameworks
(COFs)
derivatives
emerging
multifunctional
have
already
well
addressed
the
in
past
several
years
due
abundant
metallophilic
functional
groups,
special
inner
channels,
controllable
structures.
COFs
can
solve
by
interfacial
modification,
homogenizing
ion
flux,
acting
nucleation
seeds,
reducing
corrosion
anodes,
so
on.
Nevertheless,
related
reviews
still
absent.
Here
we
present
detailed
review
batteries.
Meanwhile,
some
outlooks
opinions
put
forward.
We
believe
catch
eyes
relevant
researchers
supply
inspiration
future
research.
Energy & Environmental Science,
Год журнала:
2023,
Номер
16(10), С. 4191 - 4250
Опубликована: Янв. 1, 2023
The
design
strategies
and
internal
mechanisms
of
MXene-based
materials
in
flexible
energy
storage
devices
are
comprehensively
introduced.
Besides,
the
current
trends,
limitations,
future
outlooks
proposed.
ACS Nano,
Год журнала:
2023,
Номер
18(1), С. 28 - 66
Опубликована: Дек. 20, 2023
Covalent
organic
frameworks
(COFs)
have
attracted
considerable
interest
in
the
field
of
rechargeable
batteries
owing
to
their
three-dimensional
(3D)
varied
pore
sizes,
inerratic
porous
structures,
abundant
redox-active
sites,
and
customizable
structure-adjustable
frameworks.
In
context
metal-ion
batteries,
these
materials
play
a
vital
role
electrode
materials,
effectively
addressing
critical
issues
such
as
low
ionic
conductivity,
limited
specific
capacity,
unstable
structural
integrity.
However,
electrochemical
characteristics
developed
COFs
still
fall
short
practical
battery
requirements
due
inherent
electronic
tradeoff
between
capacity
redox
potential,
unfavorable
micromorphology.
This
review
provides
comprehensive
overview
recent
advancements
application
COFs,
COF-based
composites,
derivatives
including
lithium-ion,
lithium-sulfur,
sodium-ion,
sodium-sulfur,
potassium-ion,
zinc-ion,
other
multivalent
batteries.
The
operational
mechanisms
are
elucidated,
along
with
strategies
implemented
enhance
properties
broaden
range
applications.
ACS Applied Materials & Interfaces,
Год журнала:
2022,
Номер
14(2), С. 2979 - 2988
Опубликована: Янв. 7, 2022
Organic
electrode
materials
have
shown
potential
for
rechargeable
batteries
because
they
are
environmentally
friendly,
earth-abundant
sources,
recyclable,
high
sustainable,
designable,
flexible,
and
lightweight.
However,
low
electrical
conductivity
dissolution
in
organic
liquid
electrolytes
hinder
their
further
development.
Herein,
MXene/organics
heterostructures
designed
to
address
the
problems
of
electrodes
via
a
scalable
simple
electrostatic
self-assembly
strategy.
Under
effect
interaction,
cathode
material,
3,4,9,10-perylenetetracarboxylic
dianhydride
(PTCDA),
is
tightly
attached
MXene
nanosheets.
Owing
electronic
special
two-dimensional
(2D)
structure
nanosheets,
issues
PTCDA
effectively
relieved.
When
applied
lithium-ion
(LIBs)
sodium-ion
(SIBs),
MXene@PTCDA
heterostructure
exhibits
significantly
enhanced
rate
capability
cycling
performance
than
bare
PTCDA.
The
proposed
here
can
be
other
(K,
Zn,
Al,
Mg,
Ca,
etc.)
battery
systems.
In
addition
energy
storage
conversion,
also
extended
many
fields
such
as
catalysis,
sensors,
electronics,
optics,
membranes,
semiconductors,
biomedicines,
etc.
