Green Chemistry,
Год журнала:
2024,
Номер
27(3), С. 660 - 669
Опубликована: Дек. 17, 2024
We
demonstrate
a
macromolecular
electrolyte
engineering
strategy
to
break
the
Zn
2+
solvation
sheath
using
porphyrin-based
additive,
which
can
facilitate
formation
of
Zn-porphyrin
complex
and
achieve
superior
electrochemical
performance.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(16)
Опубликована: Фев. 19, 2024
Bipolar
organics
fuse
the
merits
of
n/p-type
redox
reactions
for
better
Zn-organic
batteries
(ZOBs),
but
face
capacity
plafond
due
to
low
density
active
units
and
single-electron
reactions.
Here
we
report
multielectron
redox-bipolar
tetranitroporphyrin
(TNP)
with
quadruple
two-electron-accepting
n-type
nitro
motifs
dual-electron-donating
p-type
amine
moieties
towards
high-capacity-voltage
ZOBs.
TNP
cathode
initiates
high-kinetics,
hybrid
anion-cation
10e
Abstract
Zinc‐organic
batteries
(ZOBs)
are
receiving
widespread
attention
as
up‐and‐coming
energy‐storage
systems
due
to
their
sustainability,
operational
safety
and
low
cost.
Charge
carrier
is
one
of
the
critical
factors
affecting
redox
kinetics
electrochemical
performances
ZOBs.
Compared
with
conventional
large‐sized
sluggish
Zn
2+
storage,
non‐metallic
charge
carriers
small
hydrated
size
light
weight
show
accelerated
interfacial
dehydration
fast
reaction
kinetics,
enabling
superior
metrics
for
Thus,
it
valuable
ongoing
works
build
better
ZOBs
ion
storage.
In
this
review,
versatile
cationic
(H
+
,
NH
4
)
anionic
(Cl
−
OH
CF
3
SO
2−
first
categorized
a
brief
comparison
respective
physicochemical
properties
chemical
interactions
redox‐active
organic
materials.
Furthermore,
work
highlights
implementation
effectiveness
ions
in
ZOBs,
giving
insights
into
impact
types
on
(capacity,
rate
capability,
operation
voltage,
cycle
life)
cathodes.
Finally,
challenges
perspectives
non‐metal‐ion‐based
outlined
guild
future
development
next‐generation
energy
communities.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Май 14, 2024
Aqueous
zinc-ion
batteries
(AZIBs)
are
one
of
the
most
compelling
alternatives
lithium-ion
due
to
their
inherent
safety
and
economics
viability.
In
response
growing
demand
for
green
sustainable
energy
storage
solutions,
organic
electrodes
with
scalability
from
inexpensive
starting
materials
potential
biodegradation
after
use
have
become
a
prominent
choice
AZIBs.
Despite
gratifying
progresses
molecules
electrochemical
performance
in
AZIBs,
research
is
still
infancy
hampered
by
certain
issues
underlying
complex
electrochemistry.
Strategies
designing
electrode
AZIBs
high
specific
capacity
long
cycling
life
discussed
detail
this
review.
Specifically,
we
put
emphasis
on
unique
electrochemistry
different
redox-active
structures
provide
in-depth
understanding
working
mechanisms.
addition,
highlight
importance
molecular
size/dimension
regarding
profound
impact
performances.
Finally,
challenges
perspectives
developing
point
view
future
We
hope
valuable
evaluation
our
context
give
inspiration
rational
design
high-performance
Advanced Materials,
Год журнала:
2024,
Номер
36(35)
Опубликована: Июнь 25, 2024
Solid-state
batteries
(SSBs)
have
garnered
significant
attention
in
the
critical
field
of
sustainable
energy
storage
due
to
their
potential
benefits
safety,
density,
and
cycle
life.
The
large-scale,
cost-effective
production
SSBs
necessitates
development
high-performance
solid-state
electrolytes.
However,
manufacturing
relies
heavily
on
advancement
suitable
Composite
polymer
electrolytes
(CPEs),
which
combine
advantages
ordered
microporous
materials
(OMMs)
electrolytes,
meet
requirements
for
high
ionic
conductivity/transference
number,
stability
with
respect
electrodes,
compatibility
established
processes,
cost-effectiveness,
making
them
particularly
well-suited
mass
SSBs.
This
review
delineates
how
structural
ordering
dictates
fundamental
physicochemical
properties
OMMs,
including
ion
transport,
thermal
transfer,
mechanical
stability.
applications
prominent
OMMs
are
critically
examined,
such
as
metal-organic
frameworks,
covalent
organic
zeolites,
CPEs,
highlighting
facilitates
fulfillment
property
requirements.
Finally,
an
outlook
is
provided,
exploring
CPEs
can
be
enhanced
through
dimensional
design
importance
uncovering
underlying
"feature-function"
mechanisms
various
CPE
types
underscored.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 14, 2025
Abstract
Lithium‐ion
batteries
(LIBs),
known
for
their
high
energy
density
and
long
cycle
life,
have
become
indispensable
in
everyday
applications.
Unfortunately,
the
increasing
demand
LIBs
raises
concerns
about
sustainability
of
lithium
resources.
Non‐lithium
metal‐ion
therefore
garnered
significant
attention
due
to
abundant
resources
potential
cost
advantages.
Yet,
widespread
adoption
is
hindered
by
limited
availability
high‐performance
cathode
materials.
Organic
electrode
materials
(OEMs)
emerged
as
promising
candidates,
owing
structural
diversity
tunability,
allowing
them
accommodate
large
cations.
Despite
potential,
most
OEMs
suffer
from
unsatisfactory
cyclability,
poor
rate
performance,
low
density.
This
review
summarizes
recent
advancements
improving
electrochemical
performance
OEMs,
focusing
on
molecular
engineering
approaches
mitigate
dissolution,
enhance
conductivity
The
charge
storage
mechanism
current
challenges
associated
with
are
first
discussed.
Various
strategies
designed
address
these
then
explored,
including
linkage
improve
stability
electronic
Finally,
insights
provided
future
development
next‐generation
battery
technologies
beyond
LIBs.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(46)
Опубликована: Июль 17, 2024
Abstract
VO
2
is
considered
as
one
of
the
most
likely
cathode
materials
to
be
commercialized
for
large‐scale
application
in
AZIBs
and
at
forefront
aqueous
batteries,
but
its
lower
electrical
conductivity,
slower
Zn
2+
mobility,
well
voltage
degradation
structural
collapse
due
vanadium
solubilization
have
limited
further
development.
Herein,
a
Co‐substitution
engineering
strategy
proposed,
which
introducing
heteroatom
Co
doping
substitution
oxygen
vacancy
stabilize
structure
promote
ionic/electronic
leading
an
enhanced
ion
storage
behavior.
The
Co‐substituted
(Co
0.03
V
0.97
O
2‐x
,
denote
v
‐CoVO)
reported
this
paper,
inhibits
dissolution
AZIBs,
even
acetionitrile
system.
DFT
calculations
show
that
‐CoVO
has
more
stable
faster
electronic/ionic
conductivity.
Consequently,
‐CoVO||ZnOTF||Zn
battery
(aqueous)
can
deliver
remarkable
capacity
475
mAh
g
−1
0.2
A
with
99.1%
retention
after
200
cycles,
still
maintains
excellent
cycling
stability
‐CoVO||ZnTFSI||Zn
(acetionitrile
electrolyte)
0.1
.
In
addition,
compared
charge
transfer
resistance
iffusion
coefficient
are
significantly
enhanced.
This
work
broadens
scope
research
high
performance
ZIBs.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 12, 2024
Redox-active
covalent
organic
frameworks
(COFs)
are
promising
candidates
for
sodium-ion
batteries
(SIBs).
However,
the
construction
of
redox-bipolar
COFs
with
anions
and
cations
co-storage
feature
SIBs
is
rarely
reported.
Herein,
COF
constructed
from
aniline-fused
quinonoid
units
(TPAD-COF)
developed
as
cathode
material
in
first
time.
The
unique
integration
conductive
aniline
skeletons
quinone
redox
centers
endows
TPAD-COF
high
ionic/electrical
conductivity,
abundant
redox-active
sites,
fascinating
bipolar
features.
Consequently,
elaborately
tailored
exhibits
higher
specific
capacity
(186.4
mAh
g
Angewandte Chemie International Edition,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 4, 2025
Abstract
The
crosstalk
of
transition
metal
ions
between
the
oxide
cathode
and
Zn
anode
restricts
practical
applications
aqueous
zinc‐ion
batteries
(ZIBs).
Herein,
we
propose
a
decoupled
electrolyte
(DCE)
consisting
nonaqueous‐phase
(N‐phase)
anolyte
an
aqueous‐phase
(A‐phase)
catholyte
to
prevent
Mn
2+
,
thus
extending
lifespan
MnO
2
‐based
ZIBs.
Experimental
measurements
theoretical
modelling
verify
that
trimethyl
phosphate
(TMP)
not
only
synergistically
works
with
NH
4
Cl
in
N‐phase
enable
fast
conduction
while
blocking
diffusion
toward
anode,
but
also
modifies
solvation
structure
suppress
dendrite
formation
corrosion
on
anode.
Meanwhile,
A‐phase
effectively
accelerates
reaction
kinetics.
as‐developed
Zn|DCE|MnO
cell
delivers
80.13
%
capacity
retention
after
900
cycles
at
0.5
A
g
−1
.
This
approach
is
applicable
for
other
cathode‐based
ZIBs,
thereby
opening
new
avenue
developing
ultrastable