Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 22, 2025
Abstract
Potassium‐ion
batteries
(PIBs),
with
abundant
resources
and
low
cost,
are
considered
as
a
promising
alternative
to
commercial
lithium‐ion
for
low‐cost
large‐scale
applications.
Over
the
past
decade,
significant
academic
progresses
made
in
development
of
PIBs,
including
advancements
cathodes,
anodes,
electrolytes.
However,
most
improvements
achieved
under
laboratory
conditions
(e.g.,
K
metal‐based
half‐cells
mass
loading
active
materials),
performance
PIBs
full
cells
is
still
far
from
requirements
A
critical
insight
bridging
research
commercialization
urgently
needed
guide
future
this
field.
This
review
will
discuss
challenges
improvement
strategies
focusing
on
potential
practical
electrolytes,
well
their
cells.
It
aims
give
readers
clear
logical
understanding
PIBs.
The
application
analysis
also
discussed
provide
comprehensive
Finally,
perspectives
provided
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(13), С. 7202 - 7298
Опубликована: Янв. 1, 2024
The
growing
global
energy
demand
necessitates
the
development
of
renewable
solutions
to
mitigate
greenhouse
gas
emissions
and
air
pollution.
To
efficiently
utilize
yet
intermittent
sources
such
as
solar
wind
power,
there
is
a
critical
need
for
large-scale
storage
systems
(EES)
with
high
electrochemical
performance.
While
lithium-ion
batteries
(LIBs)
have
been
successfully
used
EES,
surging
price,
coupled
limited
supply
crucial
metals
like
lithium
cobalt,
raised
concerns
about
future
sustainability.
In
this
context,
potassium-ion
(PIBs)
emerged
promising
alternatives
commercial
LIBs.
Leveraging
low
cost
potassium
resources,
abundant
natural
reserves,
similar
chemical
properties
potassium,
PIBs
exhibit
excellent
ion
transport
kinetics
in
electrolytes.
This
review
starts
from
fundamental
principles
structural
regulation
PIBs,
offering
comprehensive
overview
their
current
research
status.
It
covers
cathode
materials,
anode
electrolytes,
binders,
separators,
combining
insights
full
battery
performance,
degradation
mechanisms,
Advanced Functional Materials,
Год журнала:
2022,
Номер
33(6)
Опубликована: Дек. 8, 2022
Abstract
Potassium‐ion
batteries
(KIBs)
are
considered
as
the
potential
energy
storage
devices
due
to
abundant
reserves
and
low
cost
of
potassium.
In
past
decade,
research
on
KIBs
has
generally
focused
electrode
materials.
However,
since
electrolytes
also
play
a
key
role
in
determining
cell
performance,
this
review
summarizes
recent
advances
KIB
design
strategies.
Specifically,
includes
five
parts.
First,
organic
liquid
electrolyte
is
most
widely
used
type
for
KIBs.
Its
two
major
components,
salts
solvents,
have
huge
impact
formation
solid
interphase
performance
Changes
salts/solvents,
introduction
additives,
concentration
increase
all
positive
effect
electrolytes.
Second,
water‐in‐salt
can
effectively
widen
narrow
electrochemical
stability
window
aqueous
Third,
despite
appealing
properties,
ionic
not
been
applied
its
high
cost.
Fourth,
solid‐state
drawn
much
attention
safety,
current
working
improving
their
conductivity
at
room
temperature.
Lastly,
perspectives
provided
support
future
development
suitable
high‐performance
Nano Letters,
Год журнала:
2023,
Номер
23(2), С. 694 - 700
Опубликована: Янв. 11, 2023
Layered
transition-metal
(TM)
oxides
have
drawn
ever-growing
interest
as
positive
electrode
materials
in
potassium-ion
batteries
(PIBs).
Nevertheless,
the
practical
implementation
of
these
is
seriously
hampered
by
their
inferior
cyclic
property
and
rate
performance.
Reported
here
a
self-templating
strategy
to
prepare
homogeneous
P2-K0.6CoO2
(KCO)
microcubes.
Benefiting
from
unusual
microcube
architecture,
interface
between
electrolyte
active
material
considerably
diminished.
As
result,
KCO
microcubes
manifest
boosted
electrochemical
properties
for
potassium
storage
including
large
reversible
capacity
(87.2
mAh
g-1
under
20
mA
g-1),
superior
performance,
ultralong
steady
(an
improved
retention
86.9%
40
after
1000
cycles).
More
importantly,
fabrication
approach
can
be
effectively
extended
other
layered
TM
oxide
(P3-K0.5MnO2,
P3-K0.5Mn0.8Fe0.2O2,
P2-K0.6Co0.67Mn0.33O2,
P2-K0.6Co0.66Mn0.17Ni0.17O2)
nonlayered
(KFeO2)
Energy & Environmental Science,
Год журнала:
2023,
Номер
17(1), С. 274 - 283
Опубликована: Ноя. 22, 2023
In
this
work,
we
designed
PC-based
electrolytes
rich
in
AGGs
and
CIPs,
forming
a
robust
KF-rich
SEI
interface
enabling
low
desolvation
barrier,
further
alleviating
various
challenges
at
all-climate
temperatures
of
PIBs.
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(14)
Опубликована: Янв. 29, 2024
Abstract
Sodium‐ion
batteries
(SIBs)
and
potassium‐ion
(PIBs)
are
considered
the
next‐generation
candidates
for
future
energy
storage
systems
to
partially
substitute
commercial
lithium‐ion
because
of
their
abundant
sodium/potassium
reserves,
cost‐effectiveness,
high
safety.
Polyanionic
cathode
materials
widely
used
in
alkali
ion
due
stable
structural
framework,
thermal
stability,
excellent
diffusion
kinetics,
adjustable
working
voltage.
Generally,
polyanionic
cathodes
SIBs
surpass
PIBs
aspect
density
cycle
life
most
cases,
however,
also
have
unique
advantages
that
seldom
reported.
To
this
end,
classified
by
valence
states
active
metal
sites,
mechanism
Na
+
K
different
crystal
structures
is
summarized,
electrochemical
performance
between
compared.
Particularly,
some
PIBs,
such
as
voltage,
superior
rate
capability,
capacity
retention
revealed,
possible
reasons
discussed
detail.
Finally,
various
viable
solutions
proposed
improve
battery
compounds
development.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 14, 2024
Abstract
Ternary
metal
sulfides
(TMSs)
have
garnered
significant
attention
as
alternative
electrode
materials
for
rechargeable
metal‐ion
battery
anodes
and
electrodes
electrochemical
supercapacitors
(SCs).
With
the
escalating
costs
of
lithium,
research
has
shifted
toward
sources
like
sodium‐ion
batteries
(NIBs)
potassium‐ion
(KIBs),
offering
cost‐effectiveness
greater
natural
abundance
globally.
However,
pursuing
suitable
beyond
lithium‐ion
(LIBs),
such
NIBs,
KIBs,
SCs
with
enhanced
energy
power
density,
remains
a
formidable
challenge.
In
this
context,
TMSs
demonstrate
remarkable
reversibility
NIB,
KIB,
SC
materials,
showcasing
multi‐electron
redox
reactions,
improved
electronic
conductivity,
higher
theoretical
capacities.
Numerous
articles
highlighted
promising
future
conversion
storage
(EECS).
Nonetheless,
practical
applications
are
hindered
by
limitations,
including
structural
stability
during
long‐standing
cyclability,
scalability.
This
review
systematically
demonstrates
how
varying
synthesis
routes
can
tailor
nanostructures
their
influence
on
activity.
Additionally,
an
in‐depth
literature
survey
is
provided
performances
in
summarize
recent
advancements
best
available
literature.
Moreover,
prospects
challenges
highlighted,
expressing
optimism
that
will
emerge
pivotal
EECS.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(23)
Опубликована: Апрель 10, 2024
Abstract
Ether‐based
electrolyte
is
beneficial
to
obtaining
good
low‐temperature
performance
and
high
ionic
conductivity
in
potassium
ion
batteries.
However,
the
dilute
ether‐based
electrolytes
usually
result
ion‐solvent
co‐intercalation
of
graphite,
poor
cycling
stability,
hard
withstand
voltage
cathodes
above
4.0
V.
To
address
aforementioned
issues,
an
electron‐withdrawing
group
(chloro‐substitution)
was
introduced
regulate
solid‐electrolyte
interphase
(SEI)
enhance
oxidative
stability
electrolytes.
The
(~0.91
M)
chloro‐functionalized
not
only
facilitates
formation
homogeneous
dual
halides‐based
SEI,
but
also
effectively
suppress
aluminum
corrosion
at
voltage.
Using
this
functionalized
electrolyte,
K||graphite
cell
exhibits
a
700
cycles,
K||Prussian
blue
(PB)
(4.3
V)
delivers
500
PB||graphite
full‐cell
reveals
long
6000
cycles
with
average
Coulombic
efficiency
99.98
%.
Additionally,
can
operate
under
wide
temperature
range
from
−5
°C
45
°C.
This
work
highlights
positive
impact
functionalization
on
electrochemical
performance,
providing
bright
future
application
for
long‐lasting,
wide‐temperature,
PIBs
beyond.
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