ACS Materials Letters,
Год журнала:
2024,
Номер
6(10), С. 4498 - 4506
Опубликована: Авг. 30, 2024
Potassium-ion
batteries
(KIBs)
are
a
promising
alternative
to
conventional
lithium-ion
with
reduced
critical
mineral
dependency
but
accurate
three-electrode
characterization
is
hindered
by
the
lack
of
suitable
reference
electrode.
Potassium
metal
frequently
used
as
electrode
out
necessity,
its
high
reactivity
and
unstable
potential
limit
reliability.
Here
we
investigate
K-In
K-Bi
alloy
systems,
synthesize
two-phase
In-In
Energies,
Год журнала:
2023,
Номер
16(24), С. 8112 - 8112
Опубликована: Дек. 17, 2023
The
number
of
electric
vehicles
(EVs)
is
growing
exponentially,
which
presents
the
power
grid
with
new
challenges
to
turn
their
reliance
renewable
energy
sources
(RESs).
Coordination
between
available
generations
from
RESs
and
charging
time
should
be
managed
optimally
utilize
generation
RESs.
dispatch
scheduling
EVs
can
significantly
reduce
impact
these
on
systems.
Three
different
technologies
used
manage
EV
batteries
are
unregulated
(UC),
unidirectional
grid-to-vehicle
(G2V),
bidirectional
vehicle-to-grid
(V2G)
technologies.
This
study
aims
address
primary
reason
for
owners’
disbelief
in
accuracy
battery
wear
models,
impeding
involvement
V2G
technology.
paper
introduces
a
novel
accurate
model
considering
instantaneous
change
operation
battery.
Moreover,
an
effective
musical
chairs
algorithm
(MCA)
everyday
expenses
increase
revenue
short
convergence
determination
optimal
scheduling.
results
obtained
three
strategies
compared
discussed.
salient
result
this
comparison
that
technology
increases
reduces
lifespan
UC
G2V.
yearly
G2V
reduced
by
33%
one
associated
UC.
use
provides
each
owner
USD
3244.4
net
profit
after
covering
costs.
superior
extracted
proposed
showed
supremacy
usage,
advantageous
both
owners
grid.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(23), С. 30055 - 30067
Опубликована: Май 30, 2024
At
present,
graphite
is
a
widely
used
anode
material
in
commercial
lithium-ion
batteries
for
its
low
cost,
but
the
large
volume
expansion
(about
10%)
after
fully
lithiated
makes
prone
to
cracking
and
even
surface
stripping
cycle.
Therefore,
development
of
zero-strain
materials
(volume
change
<1%)
great
significance.
LiAl5O8
insertion
with
high
theoretical
specific
capacity.
However,
Li+
storage
mechanism
remains
unclear,
cycle
life
as
well
fast-charging
capability
need
be
greatly
improved
meet
practical
requirements.
In
this
study,
nanorods
are
prepared
by
utilizing
aluminum
ethoxide
nanowires
soft
template
doped
Zr
element
further
improve
diffusion
coefficient
electronic
conductivity,
which
turn
improves
rate
performances.
The
Zr-doped
presents
reversible
capacity
227.2
mAh
g–1
20,000
cycles
under
5
A
g–1,
significantly
outperforms
state-of-the-art
materials.
addition,
mechanisms
clearly
clarified
variety
characterization
techniques
including
nuclear
magnetic
resonance.
This
work
promotes
process
ACS Materials Letters,
Год журнала:
2024,
Номер
6(10), С. 4498 - 4506
Опубликована: Авг. 30, 2024
Potassium-ion
batteries
(KIBs)
are
a
promising
alternative
to
conventional
lithium-ion
with
reduced
critical
mineral
dependency
but
accurate
three-electrode
characterization
is
hindered
by
the
lack
of
suitable
reference
electrode.
Potassium
metal
frequently
used
as
electrode
out
necessity,
its
high
reactivity
and
unstable
potential
limit
reliability.
Here
we
investigate
K-In
K-Bi
alloy
systems,
synthesize
two-phase
In-In
