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.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 3, 2024
Abstract
Advanced
aqueous
batteries
are
promising
solutions
for
grid
energy
storage.
Compared
with
their
organic
counterparts,
water‐based
electrolytes
enable
fast
transport
kinetics,
high
safety,
low
cost,
and
enhanced
environmental
sustainability.
However,
the
presence
of
protons
in
electrolyte,
generated
by
spontaneous
ionization
water,
may
compete
main
charge‐storage
mechanism,
trigger
unwanted
side
reactions,
accelerate
deterioration
cell
performance.
Therefore,
it
is
pivotal
importance
to
understand
master
proton
activities
batteries.
This
Perspective
comments
on
following
scientific
questions:
Why
relevant?
What
activities?
do
we
know
about
batteries?
How
better
understand,
control,
utilize
Chemistry - An Asian Journal,
Journal Year:
2024,
Volume and Issue:
19(20)
Published: July 22, 2024
Trifunctional
electrocatalysts,
an
exciting
class
of
materials
that
can
simultaneously
catalyze
hydrogen
evolution
reaction
(HER),
oxygen
(OER),
and
reduction
(ORR),
significantly
enhance
the
performance
economic
viability
electrochemical
energy
storage
conversion
technologies
such
as
water-splitting
electrolyzers,
metal-air
batteries,
fuel
cells
their
integrated
devices.
Such
multifunctional
electrocatalysts
encompass
multiple
active
sites
two
or
more
different
reactions
are
feasible
routes
for
addressing
global
environmental
challenges.
This
review
accounts
nanocarbons-based
trifunctional
reported
batteries
electrolyzer-battery
systems,
providing
a
practical
perspective.
Metal-free
hybrid
(hybrids
nanocarbons
transition
metals/compounds)
covered.
Given
growing
importance
green
technologies,
we
discuss
biomass-derived
carbon-based
separately.
The
collective
information
provided
in
could
help
researchers
derive
effective
durable
suitable
commercial
use.
ChemElectroChem,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 9, 2025
Abstract
Leveraging
physicochemical
advantages
over
lithium
hexafluorophosphate
(LiPF
6
),
bis(fluorosulfonyl)imide
(LiFSI)
is
being
investigated
as
a
conducting
salt
for
manganese‐rich
cathodes
(LMR)
and
micro‐crystalline
silicon
anodes
(μ‐Si).
Nevertheless,
its
behavior
towards
the
aluminum
(Al)
current
collector
stainless‐steel
(SUS)
coin
cell
parts
limits
application
under
operating
conditions
requiring
potentials
higher
than
3.9
V
vs
.
Li|Li
+
Using
mixture
of
organic
carbonate‐based
solvents,
various
functional
additives,
LiPF
concentrations
up
to
1.0
M,
instability
issue
Al
in
presence
LiFSI
avoided.
However,
dissolution
remains,
confirmed
by
both
potentiodynamic
measurements
SEM
morphology
investigations
components
after
linear
sweep
voltammetry
carried
out
5.0
V.
The
results
also
indicate
that
amount
influenced
electrolyte
quality
(grade)
used.
Al‐coated
SUS
316L
and/or
high
concentration
electrolytes
(HCE)
with
(≈4
M
LiFSI),
observed
process
can
be
fully
avoided,
allowing
evaluation
electrochemical
performance
LMR
μ‐Si
LiFSI‐based
electrolytes.
