ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(21), P. 27684 - 27693
Published: May 16, 2024
Prussian
blue
analogues
(PBAs)
are
considered
to
be
one
of
the
most
suitable
sodium
storage
materials,
especially
with
introduction
high-entropy
(HE)
concept
into
their
structure
further
improve
various
abilities.
However,
severe
agglomeration
HEPBA
particles
still
limits
fast
charging
capabilities.
Here,
an
(Nax(FeMnCoNiCu)[Fe(CN)6]y□1–y·nH2O)
a
hollow
stair-stepping
spherical
has
been
prepared
through
chemical
etching
process
traditional
cubic
HEPBA.
Electrochemical
characterization
(sodium
ion
battery),
kinetic
analysis,
and
COMSOL
Multiphysics
simulations
reveal
that
nature
can
greatly
diffusion
behavior
Na+
ions.
Moreover,
effectively
mitigates
volume
change
during
SIBs
operation,
ultimately
extending
lifespan.
Consequently,
as-prepared
cathode
exhibits
excellent
rate
performance
(126.5
76.4
mAh
g–1
at
0.1
4.0
A
g–1,
respectively)
stable
long-term
capability
(maintaining
its
75.6%
capacity
after
1000
cycles)
due
unique
structure.
Furthermore,
waste
easily
recycled
prepare
more
product.
This
processing
method
holds
great
promise
for
designing
nanostructures
advanced
batteries.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 26, 2024
Abstract
The
environmental
toxicity
caused
by
heavy
metal
ions
is
always
taken
seriously.
Capacitive
deionization
(CDI),
as
an
emerging
and
effective
treatment
method,
widely
studied.
Among
them,
the
rational
design
development
of
efficient
electrodes
based
on
high
theoretical
capacitance,
conductivity,
stability
have
great
prospects
for
CDI
applications.
In
this
study,
a
series
2D
titanium
carbide
oxide
flakes
(2D
TCOs)
are
synthesized
using
cation‐giving
modulation
strategy,
interlayer
spacing
materials
successfully
controlled
confining
cations
(tetraalkylammonium
hydroxides,
TAAH)
with
different
radii
between
layers.
Interestingly,
these
TCOs
exhibit
varying
electrochemical
properties
due
to
their
spacings.
flakes‐tetrapropylammonium
hydroxide
(TCOs‐TPAH)
maximum
exhibits
best
performance
in
sodium
ion
embedding
de‐embedding,
capacity
53.11
mg
g
−1
.
addition,
capacitive
removal
efficiency
(Fe
3+
,
Cr
Cu
2+
Cd
Co
Ni
Pb
)
can
reach
over
97%
within
2
h.
This
work
presents
simple
creative
strategy
bottom‐up
synthesis
oversized
nanomaterials,
thus
supporting
further
high‐performance
fields
energy
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(31)
Published: May 21, 2024
Capacitive
deionization
(CDI)
has
emerged
as
a
promising
technology
for
freshwater
recovery
from
low-salinity
brackish
water.
It
is
still
inapplicable
in
specific
scenarios
(e.g.,
households,
islands,
or
offshore
platforms)
due
to
too
low
volumetric
adsorption
capacities.
In
this
study,
high-density
semi-metallic
molybdenum
disulfide
(1T'-MoS
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(29), P. 11540 - 11549
Published: Jan. 1, 2024
Ultrafine
MoC
nanocrystals
are
confined
within
the
MOF-derived
NC
matrix
to
generating
NC/MoC.
The
NC/MoC
based
electrode
achieves
high
CDI
performance.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 17, 2024
Abstract
Nowadays,
capacitive
deionization
(CDI)
has
emerged
as
a
prominent
technology
in
the
desalination
field,
typically
utilizing
porous
carbons
electrodes.
However,
precise
significance
of
electrode
properties
and
operational
conditions
shaping
performance
remains
blurry,
necessitating
numerous
time‐consuming
resource‐intensive
CDI
experiments.
Machine
learning
(ML)
presents
an
emerging
solution,
offering
prospect
predicting
with
minimal
investment
material
synthesis
testing.
Herein,
four
ML
models
are
used
for
carbons.
Among
them,
gradient
boosting
model
delivers
best
on
test
set
low
root
mean
square
error
values
2.13
mg
g
−1
0.073
min
capacity
rate,
respectively.
Furthermore,
SHapley
Additive
exPlanations
is
introduced
to
analyze
conditions.
It
highlights
that
electrolyte
concentration
specific
surface
area
exert
substantially
more
influential
role
determining
compared
other
features.
Ultimately,
experimental
validation
employing
metal–organic
frameworks‐derived
biomass‐derived
electrodes
conducted
affirm
prediction
accuracy
models.
This
study
pioneers
techniques
performance,
compelling
strategy
advancing
technology.
Energy Materials,
Journal Year:
2023,
Volume and Issue:
3(5)
Published: Oct. 8, 2023
Potassium-ion
batteries
(PIBs)
are
considered
as
promising
alternatives
to
lithium-ion
(LIBs)
due
their
abundant
potassium
resources,
cost-effectiveness,
and
comparable
electrochemical
performance
LIBs.
However,
the
practical
application
of
PIBs
is
hindered
by
slow
dynamics
large
volume
expansion
anode
materials.
Owing
unique
morphology,
rich
pores,
active
sites,
tunable
composition,
metal-organic
framework
(MOF)-derived
carbon
its
composites
have
been
widely
studied
developed
PIB
anodes.
In
this
review,
basic
configuration,
evaluation
indicators,
energy
storage
mechanisms
were
first
introduced,
followed
a
comprehensive
summary
research
progress
in
MOF-derived
composites,
especially
design
strategies
different
types
composites.
Moreover,
advances
situ
characterization
techniques
understand
mechanism
during
potassiation/depotassiation
also
highlighted,
which
crucial
for
directional
optimization
PIBs.
Finally,
challenges
development
prospects
prospected.
It
envisioned
that
review
will
guide
inspire
more
efforts
toward
advanced
materials
future.
Angewandte Chemie,
Journal Year:
2023,
Volume and Issue:
135(41)
Published: Aug. 21, 2023
Abstract
The
limited
active
sites
and
poor
acid‐alkaline
solution
stability
of
metal–organic
frameworks
(MOFs),
significantly
limit
their
wider
application.
In
this
study,
the
acid
property
tannic
(TA)
was
used
as
an
etchant
to
etch
surface‐active
sites.
Subsequently,
further
chelation
protonated
TA
with
exposed
metal
site
can
effectively
protect
ions.
Meanwhile,
provided
a
large
amount
phenolic
hydroxyl
groups,
which
greatly
improve
imidazolate‐coordinated
MOFs.
electrochemical
test
results
indicated
that
MOFs
composite
materials
synthesized
using
scheme
had
high
specific
capacitance
stability.
And
mechanism
its
reaction
process
explored
through
in
situ
X‐ray
diffraction
(XRD)
theoretical
calculations.
addition,
same
treatment
carried
out
series
carboxyl‐coordinated
MOFs,
confirmed
principle
obtain
higher
This
paper
explains
functionalization
nano‐MOFs
by
polyphenolic
compounds,
providing
new
ideas
for
research
nano‐MOFs.
RSC Advances,
Journal Year:
2023,
Volume and Issue:
13(49), P. 34562 - 34575
Published: Jan. 1, 2023
Metal-organic
frameworks
(MOFs)
and
MXenes
have
demonstrated
immense
potential
for
biomedical
applications,
offering
a
plethora
of
advantages.
MXenes,
in
particular,
exhibit
robust
mechanical
strength,
hydrophilicity,
large
surface
areas,
significant
light
absorption
potential,
tunable
terminations,
among
other
remarkable
characteristics.
Meanwhile,
MOFs
possess
high
porosity
area,
making
them
ideal
protecting
active
biomolecules
serving
as
carriers
drug
delivery,
hence
their
extensive
study
the
field
biomedicine.
However,
akin
to
(nano)materials,
concerns
regarding
environmental
implications
persist.
The
number
studies
investigating
toxicity
biocompatibility
is
growing,
albeit
further
systematic
research
needed
thoroughly
understand
biosafety
issues
biological
effects
prior
clinical
trials.
synthesis
often
involves
use
strong
acids
temperatures,
which,
if
not
properly
managed,
can
adverse
on
environment.
Efforts
should
be
made
minimize
release
harmful
byproducts
ensure
proper
waste
management
during
production
process.
In
addition,
it
crucial
assess
into
environment
applications.
For
applications
MOFs,
several
challenges
exist.
These
include
fabrication
costs,
poor
selectivity,
low
capacity,
quest
stable
water-resistant
well
difficulties
recycling/regeneration
maintaining
chemical/thermal/mechanical
stability.
Thus,
careful
consideration
associated
with
utilization
vital.
addition
manufacturing
processes,
ultimate
fate
must
taken
account.
While
numerous
reviews
been
published
this
perspective
aims
shed
key
issues,
urging
researchers
conduct
field.
aspects
biomedicine
are
discussed,
focusing
main
outlining
future
directions.
