Energy Materials,
Journal Year:
2025,
Volume and Issue:
5(7)
Published: March 6, 2025
The
pathway
to
sustainable
development
and
carbon
neutrality
is
contingent
upon
the
of
high-performance
porous
electrode
materials
sourced
from
biomass
industrial
waste.
present
research
introduces
an
innovative
approach
for
fabrication
carbon,
harnessing
collaborative
impact
various
transform
in
form
corncobs
byproduct
fly
ash
into
tiered
characterized
by
a
high
specific
surface
area
excellent
functionality,
via
simple
hydrothermal
activation
method.
This
material
particularly
well-suited
applications
supercapacitors,
lithium-ion
batteries,
other
energy
storage
systems.
fabricated
these
two
waste
streams
boasts
wealth
pores
exceptional
(1,768
m2
g-1),
which
turn
confers
superior
electrochemical
performance.
achieves
remarkable
capacitance
up
240
F
g-1
(at
1
A
demonstrates
properties
lithium
storage.
Lithium-ion
batteries
constructed
with
this
feature
extensive
potential
range,
initial
capacity
160
mAh
at
0.1
g-1,
near-perfect
coulomb
efficiency
approximately
100%.
uncovers
novel
paradigm
preparation
through
low-carbon
environmentally
conscious
approach.
It
not
only
advances
pursuit
realization
peak
objectives
but
also
underscores
valorizing
byproducts
context
cutting-edge
technologies.
Electrocatalytically
converting
nitrates
in
sewage
to
ammonia,
which
can
not
only
achieve
the
purpose
of
eliminating
but
also
obtaining
valuable
is
an
effective
supplement
traditional
Haber–Bosch
process.
Although
significant
progress
has
been
made
cathodic
catalyst
design,
overall
ammonia
electrolysis
from
nitrate
reduction
still
restricted
by
anodic
oxygen
evolution
heavily
relying
on
noble-based
catalysts.
Herein,
a
bimetallic
NiFe-MOF
nanosheet
array
electrode
fabricated
and
serves
as
efficient
bifunctional
for
reactions.
The
introduction
Fe
Ni-MOF
facilitates
formation
structure
with
higher
electrochemical
active
surface
area,
well
provides
synergetic
NiFe
sites.
reaches
greatly
enhanced
yield
rate
0.94
mmol
cm–2
h–1
Faradaic
efficiency
90.8%
at
cathode
−0.6
V
versus
reversible
hydrogen
electrode,
reaction
declined
overpotential
424
mV
50
mA
cm–2.
As
electrocatalysis,
performance
comparable
that
using
Pt
mesh
counter
electrode.
Chemical Engineering Journal,
Journal Year:
2023,
Volume and Issue:
480, P. 147990 - 147990
Published: Dec. 13, 2023
A
series
of
hierarchical
three-dimensional
(3D)
manganese-cobalt
benzenetricarboxylic
acid
(Mn-Co
BTC)
metal–organic
frameworks
(MOFs)
with
controllable
sub-units
and
interior
architectures
have
been
synthesized
at
room
temperature
without
templates,
etchants,
or
high-pressure
conditions.
The
assembling
the
3D
Mn-Co
BTC
MOFs
can
be
controlled
by
tuning
Mn/Co
ratio,
higher
Mn
content
favoring
one-dimensional
(1D)
sub-units,
while
Co
favors
two-dimensional
(2D)
sub-units.
hollow
spheres
exhibit
a
frequency
change
(ΔF)
383.7
Hz
to
69.5
ppm
NH3
which
is
1.7-,
2.1-,
4.7-,
6.9-times
than
ΔFs
flower-like
BTC,
nanorods,
Mn-BTC
nanospheres,
Co-BTC
nanoplates,
respectively.
In
addition,
they
low
limit
detection
(1.12
ppm),
high
selectivity
(41
%)
excellent
stability
for
sensing
minor
3.1
%
in
ΔF
value
after
5
months
testing.
superior
performance
on
may
attributed
cavities
enhance
diffusion
molecules
enable
them
interact
less
accessible
metallic
active
sites
inner
cores
this
MOF.
possible
mechanisms
include
chemisorption
unsaturated
metal
(Mn
Co)
centers
as
well
hydrogen
bonding
between
hydroxyl
carboxyl
groups
boost
adsorption
rate.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(35), P. 45830 - 45860
Published: Aug. 23, 2024
Metal–organic
frameworks
(MOFs)
have
attained
broad
research
attention
in
the
areas
of
sensors,
resistive
memories,
and
optoelectronic
synapses
on
merits
their
intriguing
physical
chemical
properties.
In
this
review,
recent
progress
synthesis
MOFs
electronic
applications
is
introduced
discussed.
Initially,
crystal
structures
properties
encompassing
optical,
electrical,
are
discussed
brief.
Subsequently,
advanced
methods
for
introduced,
categorized
into
hydrothermal
approach,
microwave
synthesis,
mechanochemical
electrochemical
deposition.
After
that,
various
roles
widespread
applications,
including
sensing,
information
storage,
synapses,
machine
learning,
artificial
intelligence,
discussed,
highlighting
versatility
innovative
solutions
they
provide
to
long-standing
challenges.
Finally,
an
outlook
remaining
challenges
a
future
perspective
proposed.
Energy Advances,
Journal Year:
2024,
Volume and Issue:
3(3), P. 636 - 647
Published: Jan. 1, 2024
The
incorporation
of
iron
into
the
cobalt-based
metal–organic
framework
modifies
electronic
environment
and
resulting
bimetallic
MOF
exhibits
enhanced
oxygen
evolution
reaction
performance.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 21, 2025
Environmental
concerns
are
driving
the
development
of
eco-friendly
and
effective
methods
for
contaminant
monitoring
remediation.
In
this
study,
a
lanthanide
porphyrin-based
MOF
with
dual
fluorescence
sensing
photocatalytic
properties
was
synthesized
applied
detection
combined
removal
Cr(VI)
ciprofloxacin
(CIP).
Using
different
excitation
wavelengths,
material
exhibited
selective
via
quenching
CIP
through
enhancement.
The
variation
in
color
intensity
Tb-MOF
on
3D
EEM
spectra
enabled
simultaneous
both
contaminants.
Additionally,
demonstrated
synergistic
effect,
achieving
over
95%
rates
within
90
min,
consistent
catalytic
performance
across
four
cycles.
Mechanistic
investigations
revealed
that
(i)
strong
coordination
between
Tb3+
altered
surface
potential
Tb-MOF,
enhancing
adsorption;
(ii)
as
an
efficient
electron
acceptor,
promoted
transfer
its
reduction
to
Cr(III);
(iii)
superoxide
radicals
generated
type
I
mechanism
played
key
role
degradation.
This
research
underscores
multifunctional
platform
remediation
mixed
pollutants.
