Advanced Energy Materials,
Год журнала:
2022,
Номер
12(35)
Опубликована: Июль 27, 2022
Abstract
Graphite
has
paved
the
way
for
commercial
lithium‐ion
batteries
and
shows
great
potential
as
an
anode
high‐energy
potassium‐ion
(PIBs)
due
to
its
low‐potential
charge/discharge
plateau.
However,
restricted
diffusion
of
large
K
+
in
graphite
causes
difficulties
generating
stage‐one
graphite‐intercalation
compound
(GIC)
KC
8
at
high
rates
results
a
low
plateau
capacity
inferior
rate
performance.
It
is
discovered
that
formation
high‐stage
GICs
(prior
24
)
rate‐controlling
step
intercalation,
which
key
forming
.
Here,
carbon
material
containing
medium‐size
discrete
graphitic
crystallites
reported,
produced
by
heating
non‐graphitizable
above
2800
°C.
This
promotes
accelerated
especially
sufficient
reactive
sites,
leads
record‐high
293
mAh
g
−1
excellent
performance
with
180
500
mA
For
comparison,
respective
values
are
only
242
51
study
provides
new
insights
into
‐intercalation
chemistry
shall
promote
design
materials
high‐power
PIBs
even
other
energy
storage
systems.
Science China Chemistry,
Год журнала:
2024,
Номер
67(5), С. 1485 - 1509
Опубликована: Март 6, 2024
Anion-hosting
cathodes
capable
of
reversibly
storing
large-size
anions
play
a
leading
role
in
dual-ion
batteries
(DIBs).
The
purpose
the
present
review
is
to
summarize
most
promising
anion-hosting
for
current
and
late-stage
DIBs.
This
first
summarizes
developments
conventional
graphite
cathodes,
especially
latest
advances
graphite-related
research.
Next,
organic
anion
storage
are
discussed,
including
aromatic
amine
polymers,
heterocyclic
bipolar
compounds,
all-carbon-unsaturated
compounds.
Then,
focuses
on
conversion-type
with
high
theoretical
specific
capacities.
Finally,
future
research
directions
DIBs
proposed.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 21, 2024
Cost-effectiveness
plays
a
decisive
role
in
sustainable
operating
of
rechargeable
batteries.
As
such,
the
low
cost-consumption
sodium-ion
batteries
(SIBs)
and
potassium-ion
(PIBs)
provides
promising
direction
for
"how
do
SIBs/PIBs
replace
Li-ion
(LIBs)
counterparts"
based
on
their
resource
abundance
advanced
electrochemical
performance.
To
rationalize
technologies
as
alternatives
to
LIBs
from
unit
energy
cost
perspective,
this
review
gives
specific
criteria
density
at
possible
electrode-price
grades
various
battery-longevity
levels.
The
($
kWh
Abstract
Graphitic
carbon
nitride
(g‐C
3
N
4
)
is
a
highly
recognized
two‐dimensional
semiconductor
material
known
for
its
exceptional
chemical
and
physical
stability,
environmental
friendliness,
pollution‐free
advantages.
These
remarkable
properties
have
sparked
extensive
research
in
the
field
of
energy
storage.
This
review
paper
presents
latest
advances
utilization
g‐C
various
storage
technologies,
including
lithium‐ion
batteries,
lithium‐sulfur
sodium‐ion
potassium‐ion
supercapacitors.
One
key
strengths
lies
simple
preparation
process
along
with
ease
optimizing
structure.
It
possesses
abundant
amino
Lewis
basic
groups,
as
well
high
density
nitrogen,
enabling
efficient
charge
transfer
electrolyte
solution
penetration.
Moreover,
graphite‐like
layered
structure
presence
large
π
bonds
contribute
to
versatility
preparing
multifunctional
materials
different
dimensions,
element
group
doping,
conjugated
systems.
characteristics
open
up
possibilities
expanding
application
devices.
article
comprehensively
reviews
progress
on
highlights
potential
future
applications
this
field.
By
exploring
advantages
unique
features
,
provides
valuable
insights
into
harnessing
full
applications.
Nano-Micro Letters,
Год журнала:
2025,
Номер
17(1)
Опубликована: Фев. 24, 2025
Abstract
Common
anode
materials
in
aqueous
alkaline
electrolytes,
such
as
cadmium,
metal
hydrides
and
zinc,
usually
suffer
from
remarkable
biotoxicity,
high
cost,
serious
side
reactions.
To
overcome
these
problems,
we
develop
a
conjugated
porous
polymer
(CPP)
in-situ
grown
on
reduced
graphene
oxide
(rGO)
Ketjen
black
(KB),
noted
C
4
N/rGO
N/KB
respectively,
the
alternative
anodes.
The
results
show
that
electrode
delivers
low
redox
potential
(−0.905
V
vs.
Ag/AgCl),
specific
capacity
(268.8
mAh
g
−1
at
0.2
A
),
ultra-stable
fast
sodium
ion
storage
behavior
(216
20
)
2
M
NaOH
electrolyte.
assembled
N/rGO//Ni(OH)
full
battery
can
cycle
stably
more
than
38,000
cycles.
Furthermore,
by
adding
small
amount
of
antifreeze
additive
dimethyl
sulfoxide
(DMSO)
to
adjust
hydrogen
bonding
network,
low-temperature
performance
electrolyte
(0.1
DMSO/2
NaOH)
is
significantly
improved
while
evolution
inhibited.
Consequently,
cell
exhibits
an
energy
density
147.3
Wh
Kg
ultra-high
cycling
stability
over
wide
temperature
range
−70
45
°C.
This
work
provides
high-capacity
CPP-based
for
batteries
will
facilitate
their
practical
applications
under
extreme
conditions.
Advanced Energy Materials,
Год журнала:
2021,
Номер
11(41)
Опубликована: Сен. 24, 2021
Abstract
Potassium
ion
battery
(PIB)
is
a
potential
candidate
for
future
large‐scale
energy
storage.
A
key
challenge
that
the
(de)potassiation
stability
of
graphitic
carbon
anodes
hampered
by
limited
(002)
interlayer
spacing.
Amorphous
with
hierarchical
structure
can
buffer
volume
change
during
repeated
and
enable
stable
cycling.
Herein,
direct
pyrolysis
approach
demonstrated
to
synthesize
highly
nitrogen‐doped
(26.7
at.%)
accordion‐like
anode
composed
thin
nanosheets
turbostratic
crystalline
structure.
The
endowed
self‐assembly
process
carbonization.
accordion
enables
high
reversible
capacity
346
mAh
g
−1
superior
cycling
stability.
This
work
constitutes
general
synthesis
methodology
be
used
prepare
advanced
PIBs.
