Advanced Engineering Materials,
Journal Year:
2024,
Volume and Issue:
26(24)
Published: Nov. 18, 2024
A
significant
challenge
in
many
electrochemical
systems
is
finding
a
stable,
high‐performing
current
collector
material
that
mechanically
robust,
adaptable
form
factor,
and
free
of
precious
metals.
Titanium
electrodes
are
robust
these
regards
but
exhibit
poor
charge
transfer
performance
due
to
self‐passivation.
Herein,
new
materials
processing
paradigm
based
on
the
titanium/titanium
nitride
(Ti/TiN)
system
which
allows
for
low‐resistance
collectors
arbitrary
factor
presented.
Specifically,
gas‐nitriding
process
3D‐printed
titanium
results
20‐fold
improvement
characteristics
relative
untreated
outlined.
The
ability
utilize
3D‐structured
with
net
40‐fold
over
nonstructured
further
demonstrated.
This
novel
approach
creating
requires
minimal
laboratory
resources
can
be
widely
adapted
variety
applications,
including
desalination,
electrolysis,
energy
storage,
basic
research.
work
described
herein
provides
both
means
accelerating
research
opens
door
hierarchical
tuneability
enhanced
performance.
Chemistry - An Asian Journal,
Journal Year:
2024,
Volume and Issue:
19(20)
Published: July 17, 2024
Abstract
Stainless
steel
mesh
(SSM)
has
emerged
as
a
cornerstone
in
electrochemical
applications
owing
to
its
exemplary
versatility,
electrical
conductivity,
mechanical
robustness,
and
corrosion
resistance.
This
state‐of‐the‐art
review
delves
into
the
diverse
roles
of
SSM
across
spectrum
domains,
including
energy
conversion
storage
devices,
water
treatment
technologies,
sensors,
catalysis.
We
meticulously
explore
deployment
supercapacitors,
batteries,
fuel
cells,
highlighting
utility
current
collector,
electrode,
separator.
The
further
discusses
critical
significance
processes,
emphasizing
efficacy
supporting
membranes
facilitating
electrocoagulation,
well
novel
uses
sensing
catalysis,
which
include
electrosynthesis
bioelectrochemistry.
Each
section
delineates
recent
advancements,
identifies
inherent
challenges,
suggests
future
directions
for
leveraging
technologies.
comprehensive
showcases
state
knowledge
articulates
integration
with
emerging
materials
thereby
establishing
new
paradigm
sustainable
efficient
applications.
Through
analysis
insightful
recommendations,
this
positions
itself
seminal
contribution,
paving
way
researchers
practitioners
harness
full
potential
advancing
electrochemistry
frontiers.
Graphene
was
synthesized
through
a
two-step
pyrolysis
method
using
waste
candlenut
(Aleurites
moluccanus)
shells
as
the
precursor.
Cerium
(Ce)/graphene
composites
were
prepared
via
an
impregnation
technique.
The
resulting
graphene
and
Ce/graphene
characterized
various
analytical
methods,
including
Scanning
Electron
Microscopy
with
Energy-Dispersive
Spectroscopy
(SEM-EDS),
X-ray
Diffraction
(XRD),
Photoelectron
(XPS),
Transmission
(TEM),
Thermo
Gravimetric
Analysis
(TGA),
Fourier
Transform
Infrared
(FTIR)
spectroscopy,
Cyclic
Voltammetry
(CV),
Linear
Sweep
(LSV).
bio-carbon
produced
predominantly
exhibited
structure
flat
carbon
morphology
interlayer
distance
of
0.33
nm.
This
structural
information
is
supported
by
XRD
data,
which
shows
broad
weak
peak
at
2θ
=
26°
corresponding
to
C
(002)
plane,
indicative
presence.
FTIR,
XPS,
Raman
spectroscopy
further
confirmed
presence
detection
Csp2
aromatic
bonds
characteristic
D,
G,
2D
peaks.
Notably,
performance
cerium
can
be
enhanced
incorporation
graphene,
attributed
large
surface
area
chemical
interactions
between
Ce
graphene.
Consequently,
candlenut-derived
potential
supportive
material
for
modifying
properties
cerium,
thereby
opening
avenues
advanced
applications,
such
sustainable
high-performance
energy
storage
systems.
Processes,
Journal Year:
2024,
Volume and Issue:
12(8), P. 1544 - 1544
Published: July 23, 2024
Graphene
was
synthesized
through
a
two-step
pyrolysis
method
using
waste
candlenut
(Aleurites
moluccanus)
shells
as
the
precursor.
Cerium
(Ce)/graphene
composites
were
prepared
via
an
impregnation
technique.
The
resulting
graphene
and
Ce/graphene
characterized
various
analytical
methods,
including
Scanning
Electron
Microscopy
with
Energy-Dispersive
Spectroscopy
(SEM-EDS),
X-ray
Diffraction
(XRD),
Photoelectron
(XPS),
Transmission
(TEM),
Thermo
Gravimetric
Analysis
(TGA),
Fourier
Transform
Infrared
(FTIR)
spectroscopy,
Cyclic
Voltammetry
(CV),
Linear
Sweep
(LSV).
bio-carbon
produced
predominantly
exhibited
structure
flat
carbon
morphology
interlayer
distance
of
0.33
nm.
This
structural
information
is
supported
by
XRD
data,
which
shows
broad
weak
peak
at
2θ
=
26°
corresponding
to
C
(002)
plane,
indicative
presence.
FTIR,
XPS,
Raman
spectroscopy
further
confirmed
presence
detection
Csp2
aromatic
bonds
characteristic
D,
G,
2D
peaks.
Notably,
performance
cerium
can
be
enhanced
incorporation
graphene,
attributed
large
surface
area
chemical
interactions
between
Ce
graphene.
Consequently,
candlenut-derived
potential
supportive
material
for
modifying
properties
cerium,
due
current
value
Ce/Graphene
increase
thereby
opening
avenues
advanced
applications,
such
sustainable
high-performance
energy
storage
systems.
Metal
corrosion
poses
a
significant
challenge
for
industries
by
decreasing
the
lifespan
of
materials
and
escalat-ing
maintenance
replacement
costs.
This
study
is
critically
important
as
it
assesses
resistance
properties
annealed
steel
wire
electrodes
coated
with
manganese,
employing
chronoamperometry
linear
voltammetry
techniques.
The
were
immersed
in
an
electrolyte
solution
subjected
to
chronoam-perometry
at
various
voltages
(-0.55
V,
-0.60
-0.70
V)
durations
(60
seconds
1800
seconds).
Sub-sequently,
was
performed
over
potential
range
from
-0.8
V
0.8
generate
Tafel
plots.
Butler-Volmer
equation
applied
data
obtained
determine
current
density.
re-sults
indicate
that
optimal
conditions
forming
highly
effective
protective
manganese
layer
occur
seconds.
Under
these
conditions,
exhibited
superior
re-sistance.
also
revealed
shorter
less
negative
potentials
led
manga-nese
coatings,
higher
rates
reduced
stability.
These
findings
are
developing
ef-ficient
protection
methods
industrial
research
applications,
providing
clear
parameters
op-timizing
electrodeposition
process
on
steel.
