SmartMat,
Journal Year:
2022,
Volume and Issue:
4(3)
Published: Dec. 31, 2022
Abstract
The
performance
of
asymmetric
supercapacitors
(ASCs)
is
strongly
restricted
by
the
capacity
gap
between
positive
and
negative
electrodes.
To
address
this
issue,
two
new
electrode
materials
deriving
from
Co‐
Fe‐based
metal–organic
frameworks
(MOFs,
Co‐TAMBA‐d,
Fe‐TAMBA‐d)
through
a
single‐step
sintering
method
have
been
developed
considering
superiorities
derivatives
MOFs
including
large
surface
areas,
sufficient
metal‐atom‐doping
content,
extreme
wettability
to
bath
solution.
as‐prepared
Co‐TAMBA‐d
as
delivers
typical
pseudocapacitive
behavior
with
improvement
capacity,
which
better
than
those
pristine
MOF
materials,
while
Fe‐TAMBA‐d
electrodes
displays
electrochemical
activated
carbon.
ASCs
based
on
these
exhibits
excellent
energy
density
power
47
W
h/kg
1658
W/kg,
respectively,
where
device
can
maintain
prominent
cycling
stability
retention
after
5000
cycles
being
about
75%.
Furthermore,
feed
series
red
light‐emitting
diodes,
gives
solid
evidence
potential
utilization.
These
results
afford
feasibility
isostructural
promising
in
novel
ASCs.
SusMat,
Journal Year:
2021,
Volume and Issue:
1(1), P. 66 - 87
Published: March 1, 2021
Abstract
The
efficient
electrocatalysis
plays
the
key
role
in
development
of
electrochemical
energy
conversion
technologies
to
alleviate
crisis.
Given
their
multiple
active
sites
and
large
specific
surface
areas
as
electrocatalysts,
metal‐organic
frameworks
(MOFs)
derivatives
have
attracted
considerable
interests
recent
years.
Specially,
exploring
roles
enhanced
MOFs
is
significant
for
understanding
developing
new
effective
electrocatalysts.
Recently,
vital
vacancies
has
been
proven
promote
electrocatalytic
processes
(such
H
2
or
O
evolution
reactions,
reduction
N
reactions).
In
order
in‐depth
effect
classification,
synthetic
strategy,
various
are
reviewed.
Also,
perspectives
on
challenges
opportunities
presented.
Journal of the American Chemical Society,
Journal Year:
2022,
Volume and Issue:
144(8), P. 3411 - 3428
Published: Feb. 15, 2022
The
need
for
enhanced
energy
storage
and
improved
catalysts
has
led
researchers
to
explore
advanced
functional
materials
sustainable
production
storage.
Herein,
we
demonstrate
a
reductive
electrosynthesis
approach
prepare
layer-by-layer
(LbL)
assembled
trimetallic
Fe–Co–Ni
metal–organic
framework
(MOF)
in
which
the
metal
cations
within
each
layer
or
at
interface
of
two
layers
are
linked
one
another
by
bridging
2-amino-1,4-benzenedicarboxylic
acid
linkers.
Tailoring
catalytically
active
sites
an
LbL
fashion
affords
highly
porous
material
that
exhibits
excellent
trifunctional
electrocatalytic
activities
toward
hydrogen
evolution
reaction
(ηj=10
=
116
mV),
oxygen
254
as
well
reduction
(half-wave
potential
0.75
V
vs
reference
electrode)
alkaline
solutions.
dispersion-corrected
density
theory
calculations
suggest
prominent
catalytic
activity
MOF
HER,
OER,
ORR
is
due
initial
negative
adsorption
water
on
nodes
elongated
O–H
bond
length
H2O
molecule.
MOF-based
Zn–air
battery
remarkable
performance
cycling
stability
over
700
cycles
outperform
commercial
noble
benchmarks.
When
asymmetric
device
configuration,
activated
carbon||Fe–Co–Ni
supercapacitor
provides
superb
specific
power
up
56.2
W
h
kg–1
42.2
kW
kg–1,
respectively.
This
work
offers
not
only
novel
multimetallic
but
also
benchmark
multifunctional
electrocatalyst
splitting
batteries.
ACS Applied Materials & Interfaces,
Journal Year:
2021,
Volume and Issue:
13(13), P. 15315 - 15323
Published: March 24, 2021
One
two-dimensional
Fe-based
metal–organic
framework
(FeSC1)
and
one
one-dimensional
coordination
polymer
(FeSC2)
have
been
solvothermally
prepared
through
the
reaction
among
FeSO4·7H2O,
tripodal
ligand
4,4′,4″-s-triazine-2,4,6-triyl-tribenzoate
(H3TATB),
flexible
secondary
building
blocks
p/m-bis((1H-imidazole-1-yl)methyl)benzene
(bib).
Given
that
their
abundant
interlayer
spaces
different
modes,
two
compounds
employed
as
battery-type
electrodes
to
understand
how
void
space
modes
affect
performances
in
three-electrode
electrochemical
systems.
Both
materials
exhibit
outstanding
but
(including
distinct
capacities
charge-transfer
abilities)
under
configurations,
where
charge
storage
for
each
electrode
material
is
mainly
dominated
by
diffusion-controlled
section
(i
∝
v0.5)
power-law
equations.
Additionally,
partial
phase
transformations
more
stable
FeOOH
are
also
detected
long-term
cycling
loops.
After
coupling
with
capacitive
carbon-based
assemble
into
semi-solid-state
battery–supercapacitor-hybrid
(sss-BSH)
devices,
sss-FeSC1//AC
BSH
device
delivers
excellent
capacitance,
superior
energy
power
density,
longstanding
endurance
well
potential
practical
property.
Electrochemistry Communications,
Journal Year:
2021,
Volume and Issue:
126, P. 107024 - 107024
Published: March 30, 2021
Oxygen
evolution
reaction
(OER),
hydrogen
(HER),
oxygen
reduction
(ORR),
nitrogen
(NRR),
and
carbon
dioxide
(CO2RR)
are
five
major
reactions
in
the
progress,
conversion,
storage
of
clean
energy.
Efficient
electrocatalysts
can
be
used
to
decrease
overpotential
these
elevate
practical
applications
energy-related
systems.
Metal–organic
frameworks
(MOFs),
via
modification
electrodes,
provide
new
opportunities
develop
green
sustainable
energy
systems
conduct
fundamental
research
on
electrocatalytic
applications.
Benefitting
from
versatility
engineering
construction
strategies,
compositional/structural
modification,
high
electrical
conductivity,
various
high-density
active
sites,
capability
as
precursors,
MOFs
derived
materials
considered
efficient
electrocatalysts.
Based
those
merits,
electrochemical
application
their
for
mentioned
briefly
discussed
this
mini
review.
Furthermore,
challenges
perspectives
MOF-based
also
provided.
Dalton Transactions,
Journal Year:
2021,
Volume and Issue:
50(33), P. 11331 - 11346
Published: Jan. 1, 2021
Recent
progress
on
2D
conductive
MOFs
and
layered
containing
pillar-layered
nanosheets
as
electrode
materials
in
SCs
is
reviewed,
including
synthetic
design
strategies,
electrochemical
performances,
working
mechanisms.
Small,
Journal Year:
2023,
Volume and Issue:
19(48)
Published: Aug. 4, 2023
Abstract
With
the
urgent
demand
for
achievement
of
carbon
neutrality,
novel
nanomaterials,
and
environmentally
friendly
nanotechnologies
are
constantly
being
explored
continue
to
drive
sustainable
development
energy
storage
conversion
installations.
Among
various
candidate
materials,
metal‐organic
frameworks
(MOFs)
their
derivatives
with
unique
nanostructures
have
attracted
increasing
attention
intensive
investigation
construction
next
generation
electrode
benefitting
from
intrinsic
characteristics
such
as
large
specific
surface
area,
high
porosity,
chemical
tunability
well
interconnected
channels.
Nevertheless,
poor
electrochemical
conductivity
severely
limits
application
prospects,
hence
a
variety
nanocomposites
multifarious
structures
been
designed
proposed
different
dimensionalities.
In
this
review,
recent
advances
based
on
MOFs
in
dimensionalities
ranging
1D
nanopowders
2D
nanofilms
3D
aerogels,
4D
self‐supporting
electrodes
supercapacitors
summarized
highlighted.
Furthermore,
key
challenges
perspectives
derivatives‐based
materials
practical
applications
also
briefly
discussed,
which
may
be
served
guideline
design
next‐generation
Dalton Transactions,
Journal Year:
2021,
Volume and Issue:
50(34), P. 11701 - 11710
Published: Jan. 1, 2021
This
Frontier
article
highlights
the
recent
progress
in
synthesis
of
MOF-based
micro/nano-structured
electrode
materials
including
pristine
MOFs,
MOF
composites
and
derivatives,
their
application
SCs.
Small Structures,
Journal Year:
2021,
Volume and Issue:
3(5)
Published: Oct. 9, 2021
Iron‐series
(Fe,
Co,
and
Ni)
containing
metal–organic
frameworks
(MOFs)
have
gained
great
concern
in
supercapacitors
(SCs)
because
of
their
tailorable
architectures,
multiple
redox‐active
sites,
intriguing
properties.
Given
the
importance
porosities
MOFs
for
charge
transmission,
an
essential
assessment
designs,
preparation
methods,
engineering
technologies
is
strongly
required
to
further
explore
optimize
SCs.
Through
empowering
conductive
backbones
centers,
iron‐series
MOF‐based
electrodes
made
outstanding
achievements
recently.
This
review
aims
summarize
these
core
reports
on
MOFs.
Correspondingly,
design
strategy,
reason
compositing,
strategy
introducing
heteroatoms,
current
divergences
structural
alteration
mechanisms
are
discussed.
Potential
bottleneck
issues
coping
strategies
also
perspectively
discussed
guide
future
optimization.