Advanced Functional Materials,
Год журнала:
2023,
Номер
33(12)
Опубликована: Янв. 29, 2023
Abstract
Organic
electrode
materials
(OEMs)
are
emerging
green
power
because
of
the
promising
advantages
such
as
environmental
friendliness,
abundant
sources,
easy
recycling,
and
structural
diversity.
However,
several
inherent
issues,
including
low
electronic
conductivity,
dissolution
active
materials,
particle
pulverization
restrict
their
practical
application.
MXene,
a
novel
2D
material
has
exhibited
enormous
potential
to
solve
issues
OEMs
due
its
high
unique
structure,
exceptional
mechanical
property,
surface
groups.
Up
now,
various
effective
strategies
have
been
presented
achieved
positive
effects,
constructing
heterojunction
structures,
in
situ
assembly,
dip‐coating,
preparing
free‐standing
MXene
paper,
etc.
Nonetheless,
comprehensive
review
progress
status
is
rare.
Herein,
an
overview
application
organic
for
rechargeable
batteries
systematically
put
forward.
Meanwhile,
recent
future
development
directions
presented.
This
can
serve
guide
research.
Abstract
Rechargeable
zinc‐ion
batteries
(ZIBs)
with
exceptional
theoretical
capacity
have
garnered
significant
interest
in
large‐scale
electrochemical
energy
storage
devices
due
to
their
low
cost,
abundant
material,
inherent
safety,
high
specific
energy,
and
ecofriendly
nature.
Metal
carbides/nitrides,
known
as
MXenes,
emerged
a
large
family
of
2D
transition
metal
carbides
or
carbonitrides
excellent
properties,
e.g.,
electrical
conductivity,
surface
functional
groups
(e.g.,
F,
O,
OH),
barriers
for
the
diffusion
electrolyte
ions
wide
interlayer
spaces.
After
decade
effort,
development
has
been
achieved
synthesis,
applications
MXenes.
Thus,
it
opened
up
various
exciting
opportunities
construct
advanced
MXene‐based
nanostructures
ZIBs
power.
Herein,
this
review
summarizes
advances
across
multiple
synthesis
routes,
related
morphological
structural
characteristics,
chemistries
MXenes
ZIBs.
The
recent
electrodes
is
introduced,
electrolytes
are
elucidated
detail.
rocking
chair
ZIBs,
strategies
enhance
performance
cathodes,
suppress
dendrites
anodes,
flexible
pointed
out.
A
rational
design
modification
well
production
composites
oxides
exhibits
promise
solving
issues
enhancing
Finally,
present
challenges
future
prospects
discussed.
Nano-Micro Letters,
Год журнала:
2023,
Номер
15(1)
Опубликована: Март 15, 2023
Abstract
Since
the
discovery
in
2011,
MXenes
have
become
rising
star
field
of
two-dimensional
materials.
Benefiting
from
metallic-level
conductivity,
large
and
adjustable
gallery
spacing,
low
ion
diffusion
barrier,
rich
surface
chemistry,
superior
mechanical
strength,
exhibit
great
application
prospects
energy
storage
conversion,
sensors,
optoelectronics,
electromagnetic
interference
shielding
biomedicine.
Nevertheless,
two
issues
seriously
deteriorate
further
development
MXenes.
One
is
high
experimental
risk
common
preparation
methods
such
as
HF
etching,
other
difficulty
obtaining
with
controllable
groups.
Recently,
Lewis
acidic
a
brand-new
strategy
for
MXenes,
has
attracted
intensive
attention
due
to
its
safety
ability
endow
uniform
terminations.
However,
comprehensive
review
etching
method
not
been
reported
yet.
Herein,
we
first
introduce
following
four
aspects:
mechanism,
terminations
regulation,
in-situ
formed
metals
delamination
multi-layered
Further,
applications
MXene-based
hybrids
obtained
by
route
sensors
microwave
absorption
are
carefully
summarized.
Finally,
some
challenges
opportunities
also
presented.
Advanced Materials,
Год журнала:
2023,
Номер
35(51)
Опубликована: Окт. 26, 2023
Abstract
The
challenge
with
aqueous
zinc‐ion
batteries
(ZIBs)
lies
in
finding
suitable
cathode
materials
that
can
provide
high
capacity
and
fast
kinetics.
Herein,
two‐dimensional
topological
Bi
2
Se
3
acceptable
Bi‐vacancies
for
ZIBs
(Cu‐Bi
2−x
)
is
constructed
through
one‐step
hydrothermal
process
accompanied
by
Cu
heteroatom
introduction.
cation‐deficient
Cu‐Bi
nanosheets
(≈4
nm)
bring
improved
conductivity
from
large
surface
metal
states
contribution
enhanced
bulk
conductivity.
Besides,
the
increased
adsorption
energy
reduced
Zn
2+
migration
barrier
demonstrated
density‐functional
theory
(DFT)
calculations
illustrate
decreased
Coulombic
ion‐lattice
repulsion
of
.
Therefore,
exhibits
both
ion
electron
transport
capability,
leading
to
more
carrier
reversible
insertion
proved
situ
synchrotron
X‐ray
diffraction
(SXRD).
These
features
endow
sufficient
specific
(320
mA
h
g
−1
at
0.1
A
),
high‐rate
performance
(97
10
reliable
cycling
stability
(70
after
4000
cycles).
Furthermore,
quasi‐solid‐state
fiber‐shaped
employing
demonstrate
respectable
superior
flexibility
even
under
mass
loading.
This
work
implements
a
conceptually
innovative
strategy
represented
cation
defect
design
insulator
achieving
high‐performance
battery
electrochemistry.
Advanced Materials,
Год журнала:
2023,
Номер
36(2)
Опубликована: Авг. 24, 2023
Abstract
As
an
indispensable
component
of
rechargeable
batteries,
the
current
collector
plays
a
crucial
role
in
supporting
electrode
materials
and
collecting
accumulated
electrical
energy.
However,
some
key
issues,
like
uneven
resources,
high
weight
percentage,
electrolytic
corrosion,
high‐voltage
instability,
cannot
meet
growing
need
for
batteries.
In
recent
years,
MXene‐based
collectors
have
achieved
considerable
achievements
due
to
its
unique
structure,
large
surface
area,
conductivity.
The
related
research
has
increased
significantly.
Nonetheless,
comprehensive
review
this
area
is
seldom.
Herein
applications
progress
MXene
are
systematically
summarized
discussed.
Meanwhile,
challenges
future
directions
presented.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(43)
Опубликована: Июнь 21, 2023
Abstract
Insufficient
and
unstable
energy
output
is
the
bottleneck
issue
radically
restricting
application
of
micro‐supercapacitors
(MSCs).
Herein,
an
interlayer
atom
injection
strategy
that
can
anchor
low‐valence
Zn
atoms
(Zn
δ
+
,
0
<
<2)
on
O‐terminals
Ti
3
C
2
T
x
(MXene)
flakes
within
MXene/silver‐nanowires
hybrid
cathode
symmetric
MSCs
first
presented.
Combining
polyacrylamide/ZnCl
hydrogel
electrolyte
rich
in
Cl
−
2+
ions,
matched
/Zn
(−0.76
V
vs
SHE)
Ag/AgCl
(0.23
SHE),
redox
couples
between
symmetrical
electrodes
are
activated
to
offer
faradaic
charge
storage
beside
ions‐intercalation
involved
pseudocapacitance.
Thus,
a
battery‐type
voltage
plateau
(≈0.9
V)
appears
discharge
curve
fabricated
pseudo‐symmetric
micro‐redox
capacitor,
simultaneously
achieving
density
enhancement
(117
µWh
cm
−2
at
0.5
mA
)
substantially
improved
power
stability
(46%
from
region)
relative
before
activation
(98
without
platform).
The
work
provides
fire‐new
overcome
performance
bottlenecks
confronting
conventional
MSCs.
Abstract
Aqueous
zinc‐ion
batteries
(AZIBs)
are
gaining
popularity
for
their
cost‐effectiveness,
safety,
and
utilization
of
abundant
resources.
MXenes,
which
possess
outstanding
conductivity,
controllable
surface
chemistry,
structural
adaptability,
widely
recognized
as
a
highly
versatile
platform
AZIBs.
MXenes
offer
unique
set
functions
AZIBs,
yet
significance
has
not
been
systematically
summarized.
This
review
article
provides
an
up‐to‐date
overview
MXenes‐based
electrode
materials
with
focus
on
the
in
these
materials.
The
discussion
starts
derivatives
cathode
side,
where
they
serve
2D
conductive
substrate,
3D
framework,
flexible
support,
coating
layer.
can
act
both
active
material
precursor
to
cathode.
On
anode
include
host,
zinc
metal
protection,
electrolyte
additive,
separator
modification.
also
highlights
technical
challenges
key
hurdles
that
currently
face
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(28)
Опубликована: Март 11, 2024
Abstract
Zinc‐ion
batteries
(ZIBs)
have
become
a
global
research
hotspot
in
recent
years
due
to
their
eco‐friendliness,
safety,
abundant
resources,
and
low
cost.
However,
some
significant
challenges
seriously
affect
overall
performance,
thus
hindering
further
development
practical
applications.
Recently,
multifunctional
adjustable
2D
carbides
nitrides
(MXenes)
are
extensively
used
for
the
modification
of
ZIBs,
fruitful
achievements
achieved.
In
order
make
systematic
understanding
these
studies,
it
is
highly
desirable
provide
an
overview
MXenes
based
on
methods
action
mechanisms.
this
review,
basic
introduction
ZIBs
presented
main
approaches
solving
issues
discussed
detail,
including
activation
composite
strategies
cathode,
interface
engineering,
structural
optimization,
zinc
metal‐free
anode
strategy
anode,
solid‐state
electrolyte,
functionalized
separator.
Importantly,
functions
related
mechanisms
various
components
analyzed
depth.
Finally,
pathways
summarized,
future
directions
prospected.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Март 2, 2024
Abstract
Ammonium
ion
batteries
are
promising
for
energy
storage
with
the
merits
of
low
cost,
inherent
security,
environmental
friendliness,
and
excellent
electrochemical
properties.
Unfortunately,
lack
anode
materials
restricts
their
development.
Herein,
we
utilized
density
functional
theory
calculations
to
explore
V
2
CT
x
MXene
as
a
working
potential.
demonstrates
pseudocapacitive
behavior
ammonium
storage,
delivering
high
specific
capacity
115.9
mAh
g
−1
at
1
A
retention
100%
after
5000
cycles
5
.
In-situ
quartz
crystal
microbalance
measurement
verifies
two-step
process
this
unique
in
acetate
electrolyte.
Theoretical
simulation
reveals
reversible
electron
transfer
reactions
[NH
4
+
(HAc)
3
]···O
coordination
bonds,
resulting
superior
capacity.
The
generality
enhancement
effect
is
also
confirmed
MoS
-based
ammonium-ion
battery
system.
These
findings
open
new
door
realizing
on
through
enhancement,
breaking
limitations
both
Faradaic
non-Faradaic
storage.
