ChemElectroChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 22, 2024
Abstract
This
review
focuses
on
fillers,
modifications,
and
methods
used
in
the
preparation
development
of
sulfonated
poly(ether
ether
ketone)
(sPEEK)
membranes,
specifically
for
direct
methanol
fuel
cell
(DMFC)
applications
as
proton
exchange
membranes
recent
years.
The
primary
objective
is
to
evaluate
advancements
by
emphasizing
key
characteristics
such
water
uptake
swelling
capacity,
ionic
conductivity,
permeability,
single
polarization
tests.
Additionally,
aims
provide
insights
future
researchers
discussing
processes
electrolytes.
It
presents
basic
characterizations
membrane
electrolytes,
including
evaluations
sulfonation
degree
ion
capacities
sPEEK.
High
performance
electrolytes
essential
commercialization
compete
with
established
like
Nafion®,
which
has
a
perfluorosulfonic
acid
structure.
Therefore,
also
covers
detailed
characterization
assessing
long‐term
stability
when
available
related
studies.
Numerical
results
indicators
are
categorized
tabulated
easy
interpretation
comparative
analysis.
Fire,
Journal Year:
2024,
Volume and Issue:
7(7), P. 233 - 233
Published: July 3, 2024
Hydrogen
(H2)
is
considered
a
suitable
substitute
for
conventional
energy
sources
because
it
abundant
and
environmentally
friendly.
However,
the
widespread
adoption
of
H2
as
an
source
poses
several
challenges
in
production,
storage,
safety,
transportation.
Recent
efforts
to
address
these
have
focused
on
improving
efficiency
cost-effectiveness
production
methods,
developing
advanced
storage
technologies
ensure
safe
handling
transportation
H2,
implementing
comprehensive
safety
protocols.
Furthermore,
are
being
made
integrate
into
existing
infrastructure
explore
new
opportunities
its
application
various
sectors
such
transportation,
industry,
residential
applications.
Overall,
recent
developments
opened
avenues
clean
sustainable
source.
This
review
highlights
potential
solutions
overcome
associated
with
Additionally,
discusses
achieve
carbon-neutral
society
reduce
dependence
fossil
fuels.
Advanced Sustainable Systems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 11, 2025
Abstract
Proton
exchange
membrane
fuel
cells
(PEMFCs)
have
attracted
significant
research
interest
due
to
their
ability
generate
only
water
and
energy.
PEMFCs
operate
based
on
the
principle
of
redox
reactions,
which
require
a
catalyst
for
individual
half‐reactions.
However,
commonly
used
platinum
(Pt)‐based
catalysts
are
expensive,
performance
needs
enhancement.
In
this
study,
an
effective
strategy
is
presented
preparing
Pt–rare
earth
nanoalloy
catalysts,
achieving
improvements
in
catalytic
while
reducing
costs.
Additionally,
through
urea
modification,
novel
carbon
carrier
(XC‐72)
successfully
developed,
widely
utilized
as
support
cells.
The
Pt–Nd@HCN‐400
synthesized
by
combining
newly
developed
with
Pt–Nd
alloy.
Under
standard
cell
operating
conditions,
exhibited
5%
increase
durability
compared
its
unmodified
counterpart.
This
study
offers
promising
approach
enhancing
PEMFC
catalysts.
Polymers,
Journal Year:
2025,
Volume and Issue:
17(7), P. 840 - 840
Published: March 21, 2025
Accurately
determining
the
Hansen
solubility
parameters
(HSPs)
of
fuel
cell
ionomers
is
crucial
for
optimizing
dispersion
and
dispersive
state
ionomer
in
catalyst
inks.
This
directly
impacts
structure
coating
process
layer
proton
exchange
membrane
cells
(PEMFCs).
The
Nafion
were
calculated
by
parameter
software
(HSPiP),
inverse
gas
chromatography
(IGC),
group
contribution
methods.
applicability
accuracy
different
algorithms
are
discussed.
It
was
found
that
(SPs)
measured
HSPiP
method
higher,
while
SPs
IGC
methods
lower.
However,
with
both
a
hydrophobic
backbone
hydrophilic
side
chain,
offered
more
reasonable
HSP
determination
method.
dual
HSPs
to
be
δd
=
16.4
MPa1/2
(dispersion
force),
δp
10.5
(polar
interaction),
δh
8.9
(hydrogen
bonding)
15.2
MPa1/2,
11.7
15.9
chain.
These
results
provide
thermodynamic
basis
solvent
design
catalyst-layer
fabrication.
