eScience,
Journal Year:
2023,
Volume and Issue:
3(2), P. 100092 - 100092
Published: Jan. 10, 2023
Micro/nano
metal–organic
frameworks
(MOFs)
have
attracted
significant
attention
in
recent
years
due
to
their
numerous
unique
properties,
with
many
synthetic
methods
and
strategies
being
reported
for
constructing
MOFs
specific
micro/nano
structures.
In
addition,
the
design
of
energy
storage
conversion
applications
study
structure–activity
relationship
also
become
research
hotspots.
Herein,
a
comprehensive
overview
progress
on
is
presented.
We
begin
brief
introduction
various
synthesis
controlling
morphology
MOFs.
Subsequently,
structure-dependent
properties
as
electrode
materials
or
catalysts
terms
batteries,
supercapacitors,
catalysis
are
discussed.
Finally,
remaining
challenges
future
perspectives
this
field
Overall,
review
expected
inspire
advanced
efficient
technologies.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(12)
Published: Jan. 22, 2023
Aqueous
zinc-ion
batteries
(AZIBs)
stand
out
among
many
monovalent/multivalent
metal-ion
as
promising
new
energy
storage
devices
because
of
their
good
safety,
low
cost,
and
environmental
friendliness.
Nevertheless,
there
are
still
great
challenges
to
exploring
new-type
cathode
materials
that
suitable
for
Zn
Advanced Materials,
Journal Year:
2022,
Volume and Issue:
34(41)
Published: Aug. 21, 2022
Platinum-based
catalysts
occupy
a
pivotal
position
in
diverse
catalytic
applications
hydrogen
chemistry
and
electrochemistry,
for
instance,
the
evolution
reactions
(HER).
While
adsorbed
Pt
atoms
on
supports
often
cause
severe
mismatching
electronic
structures
HER
behaviors
from
metallic
due
to
different
energy
level
distribution
of
electron
orbitals.
Here,
design
crystalline
lattice-confined
atomic
metal
carbides
using
Pt-centered
polyoxometalate
frameworks
with
strong
PtO-metal
covalent
bonds
is
reported.
Remarkably,
tungsten
(Ptdoped
@WCx
,
both
W
have
radii
1.3
Å)
exhibit
near-zero
valence
states
similar
as
Pt,
thus
delivering
matched
distributions
5dz
2
H
1s
orbitals
acidic
behaviors.
In
alkaline
conditions,
Ptdoped
exhibits
40
times
greater
mass
activity
(49.5
A
mgPt-1
at
η
=
150
mV)
than
Pt@C
because
favorable
water
dissociation
H*
transport.
These
findings
offer
universal
pathway
construct
urgently
needed
atomic-scale
broad
reactions.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(21)
Published: March 24, 2023
The
performance
of
aqueous
Zn
ion
batteries
(AZIBs)
is
highly
dependent
on
inner
Helmholtz
plane
(IHP)
chemistry.
Notorious
parasitic
reactions
containing
hydrogen
evolution
(HER)
and
dendrites
both
originate
from
abundant
free
H2
O
random
deposition
inside
active
IHP.
Here,
we
report
a
universal
high
donor
number
(DN)
additive
pyridine
(Py)
with
only
1
vol.
%
addition
(Py-to-H2
volume
ratio),
for
regulating
molecule
distribution
Density
functional
theory
(DFT)
calculations
molecular
dynamics
(MD)
simulation
verify
that
incorporated
Py
could
tailor
Zn2+
solvation
sheath
exclude
molecules
IHP
effectively,
which
in
favor
preventing
decomposition.
Consequently,
even
at
extreme
conditions
such
as
depth
discharge
(DOD)
80
%,
the
symmetric
cell
based
can
sustain
approximately
500
h
long-term
stability.
This
efficient
strategy
DN
additives
furnishes
promising
direction
designing
novel
electrolytes
promoting
practical
application
AZIBs,
despite
inevitably
introducing
trace
organic
additives.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(19)
Published: Feb. 21, 2023
Abstract
The
synthesis
of
metal‐organic
framework
(MOF)
nanocomposites
with
high
energy
density
and
excellent
mechanical
strength
is
limited
by
the
degree
lattice
matching
crystal
surface
structure.
In
this
study,
dodecahedral
ZIF‐67
synthesized
uniformly
on
vanadium
pentoxide
nanowires.
influence
coordination
mode
in
ethanol
also
investigated.
Benefitting
from
different
abilities
Ni
2+
,
Co
N
atoms,
spatially
separated
surface‐active
sites
are
created
through
metal‐ion
exchange.
Furthermore,
incompatibility
between
d
8
electronic
configuration
three‐dimensional
(3D)
structure
afforded
hollow
structures
controlling
amount
doping.
formation
NiCo‐MOF@CoOOH@V
2
O
5
confirmed
using
X‐ray
absorption
fine
analysis.
performance
obtained
composite
illustrated
fabricating
a
3D‐printed
micro‐supercapacitor,
exhibiting
area
specific
capacitance
585
mF
cm
−2
159.23
µWh
(at
power
=
0.34
mW
).
solvent/coordination
tuning
strategy
demonstrated
study
provides
new
direction
for
high‐performance
nanomaterials
electrochemical
storage
applications.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(33)
Published: June 30, 2023
Multimetallic
alloy
nanoparticles
(NPs)
have
received
considerable
attention
in
various
applications
due
to
their
compositional
variability
and
exceptional
properties.
However,
the
complexity
of
both
general
synthesis
structure-activity
relationships
remain
long-standing
challenges
this
field.
Herein,
we
report
a
versatile
2D
MOF-assisted
pyrolysis-displacement-alloying
route
successfully
synthesize
series
binary,
ternary
even
high-entropy
NPs
that
are
uniformly
dispersed
on
porous
nitrogen-doped
carbon
nanosheets
(PNC
NSs).
As
proof
utility,
obtained
Co0.2
Ru0.7
Pt0.1
/PNC
NSs
exhibits
apparent
hydrogen
oxidation
activity
durability
with
record-high
mass
specific
kinetic
current
1.84
A
mg-1
at
overpotential
50
mV,
which
is
approximately
11.5
times
higher
than
Pt
benchmark.
Both
experimental
theoretical
studies
reveal
addition
engenders
phase
transition
CoRu
alloys
from
hexagonal
close-packed
(hcp)
face-centered
cubic
(fcc)
structure.
The
elevated
reactivity
resulted
can
be
attributed
optimized
adsorption
intermediate
decreased
reaction
barrier
for
water
formation.
This
study
opens
new
avenue
development
highly
efficient
compositions
functions.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(23)
Published: March 29, 2023
Various
metal
ions
with
different
valence
states
(Mg2+
,
Al3+
Ca2+
Ti4+
Mn2+
Fe3+
Ni2+
Zn2+
Pb2+
Ba2+
Ce4+
)
are
successfully
confined
in
quasi-microcube
shaped
cobalt
benzimidazole
frameworks
using
a
space-confined
synthesis
strategy.
More
importantly,
series
of
derived
carbon
materials
that
confine
obtained
by
high-temperature
pyrolysis.
Interestingly,
the
exhibited
electric
double-layer
and
pseudocapacitance
properties
because
presence
various
states.
Moreover,
additional
within
may
create
new
phases,
which
can
accelerate
Na+
insertion/extraction
thus
increase
electrochemical
adsorption.
Density
functional
theory
results
showed
Ti
exhibit
enhanced
resulting
from
characteristic
anatase
crystalline
phases
TiO2
.
The
Ti-containing
have
an
impressive
desalination
capacity
(62.8
mg
g-1
capacitive
deionization
(CDI)
applications
high
cycling
stability.
This
work
provides
facile
synthetic
strategy
for
confinement
metal-organic
supports
further
development
seawater
CDI.
