Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(9), P. 751 - 751
Published: April 25, 2024
The
quest
for
economically
sustainable
electrocatalysts
to
replace
critical
materials
in
anodes
the
oxygen
evolution
reaction
(OER)
is
a
key
goal
electrochemical
conversion
technologies,
and,
this
context,
metal-organic
frameworks
(MOFs)
offer
great
promise
as
alternative
electroactive
materials.
In
study,
series
of
nanostructured
was
successfully
synthesized
by
growing
tailored
Ni-Fe-based
MOFs
on
nitrogen-doped
graphene,
creating
composite
systems
named
MIL-NG-n.
Their
growth
tuned
using
molecular
modulator,
revealing
non-trivial
trend
properties
function
modulator
quantity.
most
active
material
displayed
an
excellent
OER
performance
characterized
potential
1.47
V
(vs.
RHE)
reach
10
mA
cm
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(7), P. 3844 - 3878
Published: Jan. 1, 2024
This
review
provides
a
systematic
summary
of
the
nanostructure
engineering
Ru-modified
electrocatalysts
for
electrocatalytic
water
splitting.
These
regulation
strategies,
such
as
single
atom
sites,
doping,
alloying
and
interfacial
are
summarized
in
detail.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(17), P. 9933 - 9961
Published: Jan. 1, 2024
Nano-sized
high
entropy
alloy
(HEA)
catalysts
have
attracted
much
attention
as
extraordinary
electrocatalysts
in
water-splitting
applications,
i.e.
,
the
hydrogen
evolution
reaction
(HER)
and
oxygen
(OER).
Nanomaterials,
Journal Year:
2023,
Volume and Issue:
13(18), P. 2612 - 2612
Published: Sept. 21, 2023
Zinc–air
batteries
(ZABs)
have
garnered
significant
interest
as
a
viable
substitute
for
lithium-ion
(LIBs),
primarily
due
to
their
impressive
energy
density
and
low
cost.
However,
the
efficacy
of
zinc–air
is
heavily
dependent
on
electrocatalysts,
which
play
vital
role
in
enhancing
reaction
efficiency
stability.
This
scholarly
review
article
highlights
crucial
significance
electrocatalysts
explores
rationale
behind
employing
Fe-Co-Ni-Zn-based
metal–organic
framework
(MOF)-derived
hybrid
materials
potential
electrocatalysts.
These
MOF-derived
offer
advantages
such
abundancy,
high
catalytic
activity,
tunability,
structural
Various
synthesis
methods
characterization
techniques
are
employed
optimize
properties
Such
exhibit
excellent
stability,
selectivity,
making
them
suitable
applications
ZABs.
Furthermore,
they
demonstrate
notable
capabilities
realm
ZABs,
encompassing
elevated
density,
efficacy,
prolonged
longevity.
It
imperative
continue
extensively
researching
developing
this
area
propel
advancement
ZAB
technology
forward
pave
way
its
practical
implementation
across
diverse
fields.
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(5), P. 2465 - 2486
Published: Jan. 24, 2024
Developing
sustainable
energy
solutions
to
safeguard
the
environment
is
a
critical
ongoing
demand.
Electrochemical
water
splitting
(EWS)
green
approach
create
effective
and
long-lasting
electrocatalysts
for
oxidation
process.
Metal
organic
frameworks
(MOFs)
have
become
commonly
utilized
materials
in
recent
years
because
of
their
distinguishing
pore
architectures,
metal
nodes
easy
accessibility,
large
specific
surface
areas,
shape,
adaptable
function.
This
review
outlines
most
significant
developments
current
work
on
developing
improved
MOFs
enhancing
EWS.
The
benefits
drawbacks
are
first
discussed
this
review.
Then,
some
cutting-edge
methods
successfully
modifying
also
highlighted.
Recent
progress
nickel
(Ni)
iron
(Fe)
based
been
critically
discussed.
Finally,
comprehensive
analysis
existing
challenges
prospects
Ni-
Fe-based
summarized.
Applied Surface Science Advances,
Journal Year:
2024,
Volume and Issue:
21, P. 100593 - 100593
Published: March 22, 2024
The
rapid
development
of
superior,
highly
stable,
alkaline-medium-compatible,
and
nonprecious
earth-abundant
bifunctional
electrocatalysts
has
garnered
significant
research
interest.
This
interest
aims
to
replace
the
costliest
noble
metals
(Pt,
Ir/IrO2,
Ru/RuO2)
in
renewable
green
energy
technologies
for
overall
water
splitting.
However,
there
are
still
important
limitations,
such
as
lower
stability
higher
consumption.
In
this
work,
we
report
synthesis
Cu-Co
metal-organic
frameworks
(MOFs)
a
electrocatalyst
using
simple
chemical
precipitation
technique.
Especially,
when
11.5
mM
Co
is
combined
with
Cu
MOF,
it
exhibits
excellent
activity
splitting
overpotential
0.21
V
(OER)
-0.71
(HER)
at
current
density
10
mA
cm−2,
which
nearly
several
times
more
enhancement
than
that
pristine
MOFs
1
M
KOH
electrolyte
solution.
Tafel
slope
value
130
mV/dec
charge
transfer
resistance,
along
relatively
high
up
12
h
onset
potential
OER
HER,
observed
MOF
electrocatalyst.
present
results
open
an
alternative
pathway
developing
novel
design
efficient
scalable
Deleted Journal,
Journal Year:
2024,
Volume and Issue:
1(2), P. 181 - 206
Published: Aug. 4, 2024
Abstract
Metal–organic
frameworks
(MOFs)
have
emerged
as
promising
materials
in
the
realm
of
electrocatalysis
due
to
their
high
surface
area,
tunable
porosity,
and
versatile
chemical
functionality.
However,
practical
application
has
been
hampered
by
inherent
limitations
such
low
electrical
conductivity
a
limited
number
active
metal
sites.
Researchers
addressed
these
challenges
through
various
strategies,
including
enhancing
incorporating
conductive
nanoparticles,
modifying
structure
composition
MOFs
replacing
nodes
functionalizing
linkers,
preparing
catalysts
thermal
processes
decarburization
conversion
into
oxides,
phosphides
(MPs),
sulfides
(MSs).
This
review
provided
comprehensive
summary
strategies
that
were
employed
enhance
electroactivity
for
improved
electrocatalytic
performance
recent
years.
It
also
explored
future
directions
potential
innovations
design
synthesis
MOF‐based
electrocatalysts,
offering
valuable
insights
advancing
sustainable
energy
technologies.