Catalysts,
Journal Year:
2022,
Volume and Issue:
12(12), P. 1490 - 1490
Published: Nov. 22, 2022
The
Zinc-air
battery
(ZAB)
has
become
a
hot
research
topic
for
nearly
decade
due
to
its
high
energy
densities.
As
an
important
category
of
catalysts
ZAB,
perovskites
have
attracted
extensive
interests
because
their
environmentally
friendly
properties,
cheapness,
and
excellent
electrocatalytic
performances.
This
review
article
discusses
the
mechanistic
analyses
regarding
progress
ZAB.
In
addition,
electrode
manipulation
methods
device
are
also
emphasized.
Finally,
perspectives
given
on
limitations
current
perovskite
ZABs.
We
hope
that
this
will
provide
new
clues
promoting
as
many
energy-storage
conversion
applications
in
future.
Journal of Polymer Science and Engineering,
Journal Year:
2024,
Volume and Issue:
7(1), P. 4978 - 4978
Published: April 17, 2024
Due
to
rising
global
environmental
challenges,
air/water
pollution
treatments
technologies
especially
membrane
techniques
have
been
focused.
In
this
context,
air
or
purification
membranes
considered
effective
for
remediations.
the
field
of
polymeric
membranes,
high
performance
polymer/graphene
nanocomposite
gained
increasing
research
attention.
The
nanomaterials
exposed
several
potential
benefits
when
processed
as
membranes.
This
review
explains
utilizations
polymer
and
graphene
derived
nanocomposites
towards
formation
water
gas
separation
decontamination
properties.
Here,
different
designs
developed
depending
upon
types
(poly(vinyl
alcohol),
poly(vinyl
chloride),
poly(dimethyl
siloxane),
polysulfone,
poly(methyl
methacrylate),
etc.)
functionalities.
Including
in
polymers
influenced
microstructure,
physical
features,
molecular
permeability
selectivity,
separations.
Polysulfone/graphene
oxide
found
most
efficient
with
enhanced
rejection
rate
90%–95%,
flux
>180
L/m2/h,
desirable
contact
angle
purposes.
For
reported
polysulfone/graphene
siloxane)/graphene
nanocomposites.
these
N2,
CO2,
other
gases
higher
than
even
>99.9%.
Similarly,
selectivity
values
like
CO2/CH4
observed.
Thus,
graphene-based
possess
overcome
challenges
related
Catalysts,
Journal Year:
2024,
Volume and Issue:
14(9), P. 632 - 632
Published: Sept. 18, 2024
In
this
work,
an
anode
current
collector
with
a
scaled
step-hole
structure
(called
SF-type)
and
cathode
perforated
cross-tilt
X-type)
were
designed
fabricated
for
application
in
passive
direct
methanol
fuel
cells
(DMFCs).
A
whole-cell
test
showed
that
the
combination
of
SF-type
conventional
increased
optimal
concentration
from
6
M
to
8
maximum
power
density
5.40
mW
cm−2,
which
improved
cell
performance
by
51.6%
compared
design
under
ambient
testing
conditions.
The
X-type
achieved
5.65
cm−2
58.7%
improvement,
while
was
10
M.
Furthermore,
obtained
highest
at
6.22
cm−2.
Notably,
catalyst
loadings
used
study
2.0
mg
is
lower
than
commonly
loading,
thus
reducing
cost.
Catalysts,
Journal Year:
2022,
Volume and Issue:
12(12), P. 1490 - 1490
Published: Nov. 22, 2022
The
Zinc-air
battery
(ZAB)
has
become
a
hot
research
topic
for
nearly
decade
due
to
its
high
energy
densities.
As
an
important
category
of
catalysts
ZAB,
perovskites
have
attracted
extensive
interests
because
their
environmentally
friendly
properties,
cheapness,
and
excellent
electrocatalytic
performances.
This
review
article
discusses
the
mechanistic
analyses
regarding
progress
ZAB.
In
addition,
electrode
manipulation
methods
device
are
also
emphasized.
Finally,
perspectives
given
on
limitations
current
perovskite
ZABs.
We
hope
that
this
will
provide
new
clues
promoting
as
many
energy-storage
conversion
applications
in
future.
