Energy Storage,
Journal Year:
2022,
Volume and Issue:
5(2)
Published: May 28, 2022
Abstract
In
this
study,
a
magnesium
ion
rechargeable
battery
with
twin‐graphene
based
anode
material
has
been
proposed
and
studied
for
its
feasibility
as
suitable
option
to
replace
the
commercially
available
lithium‐ion
batteries.
The
adsorption
of
is
tested
at
different
sites
on
substrate
trigonal
seen
be
most
stable
one.
A
supercell
accommodate
maximum
8
Mg
ions
which
gives
high
theoretical
capacitance
.
adsorbed
thermodynamically
in
both
single
fully
accommodated
systems.
Nudged
elastic
band
(NEB)
calculations
movement
via
paths
reveal
low
diffusion
barrier
indicative
higher
diffusivity
system
faster
charging
rates
render
use
Mg‐ion
batteries
(MIB).
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
33(36)
Published: July 30, 2021
Abstract
The
sodium
storage
performance
of
a
hard
carbon
(HC)
anode
in
ether
electrolytes
exhibits
higher
initial
Coulombic
efficiency
(ICE)
and
better
rate
compared
to
conventional
ester
electrolytes.
However,
the
mechanism
behind
faster
Na
kinetics
for
HC
remains
unclear.
Herein,
unique
solvated
+
co‐intercalation
is
reported
using
designed
monodispersed
nanospheres.
In
addition,
thin
solid
electrolyte
interphase
film
with
high
inorganic
proportion
formed
an
visualized
by
cryo
transmission
electron
microscopy
depth‐profiling
X‐ray
photoelectron
spectroscopy,
which
facilitates
transportation,
results
ICE.
Furthermore,
fast
diffusion
are
also
revealed
via
molecular
dynamics
simulation.
Owing
contribution
electrolytes,
excellent
(214
mAh
g
−1
at
10
A
ultrahigh
plateau
capacity
120
)
ICE
(84.93%
1
observed
half
cell;
full
cell,
attractive
specific
110.3
achieved
after
1000
cycles
.
Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
61(18)
Published: Feb. 24, 2022
Sodium-ion
batteries
capable
of
operating
at
rate
and
temperature
extremes
are
highly
desirable,
but
elusive
due
to
the
dynamics
thermodynamics
limitations.
Herein,
a
strategy
electrode-electrolyte
interfacial
chemistry
modulation
is
proposed.
The
commercial
hard
carbon
demonstrates
superior
performance
with
212
mAh
g-1
an
ultra-high
current
density
5
A
in
electrolyte
weak
ion
solvation/desolvation,
which
much
higher
than
those
common
electrolytes
(nearly
no
capacity
carbonate-based
electrolytes).
Even
-20
°C,
high
175
(74
%
its
room-temperature
capacity)
can
be
maintained
2
.
Such
electrode
retains
90
initial
after
1000
cycles.
As
proven,
solvation/desolvation
tetrahydrofuran
greatly
facilitates
fast-ion
diffusion
SEI/electrolyte
interface
homogeneous
SEI
well-distributed
NaF
organic
components
ensures
fast
Na+
through
layer
stable
interface.
Air Quality Atmosphere & Health,
Journal Year:
2024,
Volume and Issue:
17(9), P. 1851 - 1866
Published: March 20, 2024
Abstract
Microplastics
(MPs)
have
become
a
growing
concern
in
the
context
of
environmental
pollution,
with
an
increasing
focus
on
their
presence
indoor
environments,
including
university
facilities.
This
study
investigates
and
characteristics
MPs
different
environments.
Initial
examination
ambient
involved
physical
characterization
through
optical
microscopy,
focusing
classifying
by
shape
color.
Various
types
MPs,
fibers,
fragments,
pellets,
foams,
films,
lines,
were
identified,
most
common
colors
being
black,
red,
blue,
brown.
Fragments
predominant
type
found,
although
accurately
quantifying
numbers
proved
challenging
due
to
dense
sample
content.
These
displayed
rough
irregular
margins
suggestive
abrasion.
Subsequent
chemical
elemental
was
conducted
using
micro-Raman
SEM-EDX,
revealing
25
PA
66,
PTFE,
PP,
HDPE,
PE.
The
indicates
that
inhabitants
are
exposed
airborne
(≥
2.5–336.89
μm)
at
inhalation
rates
13.88–18.51
MPs/m
3
180–240
daily.
exhibited
significant
variations
size,
distribution
varied
among
environments
studied.
SEM-EDX
analysis
revealed
elements
identified
C,
O,
F,
Na,
Cl,
Al,
Si,
others
consistently
detected.
research
is
first
comprehensively
analyze
nine
active
sampling.
Identifying
reducing
MP
contamination
these
facilities
might
stimulate
more
awareness,
promote
extensive
scientific
investigation,
facilitate
development
informed
policies.
Advanced Sustainable Systems,
Journal Year:
2021,
Volume and Issue:
5(11)
Published: May 6, 2021
Abstract
Dye‐sensitized
solar
cells
(DSSCs)
have
become
a
strong
reality
in
the
field
of
hybrid
photovoltaics.
Their
ability
to
operate
diffused
light
conditions
and
possibility
fabrication
modules
bearing
different
colors
make
these
attractive
for
applications,
example,
wearable
electronics,
building
integration,
etc.
This
review
focuses
on
one
compounds
rather
often
studied
DSSCs,
namely,
poly(3,4‐ethylenedioxythiophene)
(PEDOT).
It
has
been
introduced
both
as
substitute
liquid
electrolytes,
order
facilitate
increase
their
durability,
an
alternative
platinum
counter
electrodes.
The
literature
counts
many
studies
PEDOT
this
manuscript
collects
them
following
classification
criterion
based
functionalization/doping
strategies,
deposition
methods.
In
addition
comparing
performance
obtained
PEDOT‐based
systems
with
those
traditional
(i.e.,
assembled
iodine‐based
electrolytes
cathodes),
also
offers
brief
analysis
costs
sustainability
aspects,
built
up
experimental
data
found
literature;
latter
is
expected
constitute
precious
resource
catalyze
attention
scientific
community
relevant
preliminary
aspects
when
figuring
out
industrial
scalability
newly
proposed
cell
components.
Energy Reports,
Journal Year:
2021,
Volume and Issue:
7, P. 8677 - 8687
Published: Nov. 1, 2021
Poly(3,4-ethylenedioxythiophene)/manganese
oxide
coated
on
porous
carbon
nanofibers
(P-CNFs/PEDOT/MnO2)
is
developed
as
an
advanced
anode
material
via
the
innovative
combination
of
multiple
routes,
such
electrospinning,
carbonization
and
electrodeposition.
The
structural
morphological
characterization
P-CNFs/PEDOT/MnO2
electrode
indicates
that
crosslinked
rough
surface
provides,
a
strategic
point,
enough
active
sites
for
Li+
storage.
PEDOT
nanoparticles
irregular
block
shape
MnO2
are
randomly
oriented
P-CNFs
surface,
thus
allowing
possible
electron-conducting
pathway,
increment
in
catalytic
activity
well
buffer
volumetric
changes
upon
cycling.
Consequently,
obtained
exhibits
truly
promising
electrochemical
performance,
which
displays
discharge
capacity
1477
mAh/g,
better
than
P-CNFs/PEDOT
(1191
mAh/g),
P-CNFs/MnO2
(763
mAh/g)
(433
at
current
density
2
mA/g.
In
addition,
satisfactory
performances
as-prepared
after
20
cycles
charge/discharge
detected,
with
Coulombic
efficiency
higher
90%
charge-transfer
resistance
being
relatively
smaller
(131.91
Ω)
(232.66
P-CNFs/MnO2(169.17
electrodes.
Thus,
these
results
indicate
could
offer
great
potential
to
replace
commercial
graphite
lithium-ion
batteries.
ChemSusChem,
Journal Year:
2022,
Volume and Issue:
15(12)
Published: April 1, 2022
Potassium
batteries
show
interesting
peculiarities
as
large-scale
energy
storage
systems
and,
in
this
scenario,
the
formulation
of
polymer
electrolytes
obtained
from
sustainable
resources
or
waste-derived
products
represents
a
milestone
activity.
In
study,
lignin-based
membrane
is
designed
by
crosslinking
pre-oxidized
Kraft
lignin
matrix
with
an
ethoxylated
difunctional
oligomer,
leading
to
self-standing
membranes
that
are
able
incorporate
solvated
potassium
salts.
The
in-depth
electrochemical
characterization
highlights
wide
stability
window
(up
4
V)
and
ionic
conductivity
exceeding
10-3
S
cm-1
at
ambient
temperature.
When
metal
cell
prototypes
assembled,
electrolyte
attains
significant
performances,
initial
specific
capacity
168
mAh
g-1
0.05
A
excellent
operation
for
more
than
200
cycles,
which
unprecedented
outcome
biosourced
batteries.
