Angewandte Chemie International Edition,
Journal Year:
2020,
Volume and Issue:
60(2), P. 1011 - 1021
Published: Sept. 23, 2020
Abstract
Pseudocapacitive
behavior
and
ion
hybrid
capacitors
can
improve
the
energy
density
of
supercapacitors,
but
research
has
only
considered
reaction
cations
during
electrochemical
process,
leading
to
a
flawed
mechanistic
understanding.
Here,
effects
various
anions
carriers
on
behaviors
titanium
nitride‐based
zinc
capacitor
(Zn‐TiN
capacitor)
were
explored.
DFT
calculations
revealed
stable
structure
TiN‐SO
4
after
adsorbed
enabling
SO
2−
participate
in
process
construct
two‐step
adsorption
intercalation
storage
mechanism,
improving
capacitance
anti‐self‐discharge
ability
Zn‐TiN
capacitor,
which
delivered
an
ultrahigh
489.8
F
g
−1
retained
83.92
%
even
500
h
resting
time.
An
system
involving
capacitors.
Advanced Materials,
Journal Year:
2020,
Volume and Issue:
32(48)
Published: Oct. 26, 2020
Abstract
Aqueous
Zn
batteries
that
provide
a
synergistic
integration
of
absolute
safety
and
high
energy
density
have
been
considered
as
highly
promising
energy‐storage
systems
for
powering
electronics.
Despite
the
rapid
progress
made
in
developing
high‐performance
cathodes
electrolytes,
underestimated
but
non‐negligible
dendrites
anode
observed
to
shorten
battery
lifespan.
Herein,
this
dendrite
issue
anodes,
with
regard
fundamentals,
protection
strategies,
characterization
techniques,
theoretical
simulations,
is
systematically
discussed.
An
overall
comparison
between
its
Li
Al
counterparts,
highlight
their
differences
both
origin
topology,
given.
Subsequently,
in‐depth
clarifications
specific
influence
factors
dendrites,
including
accumulation
effect
cathode
loading
mass
(a
distinct
factor
laboratory
studies
practical
applications)
are
presented.
Recent
advances
then
comprehensively
summarized
categorized
generate
an
overview
respective
superiorities
limitations
various
strategies.
Accordingly,
computations
advanced
approaches
introduced
mechanism
guidelines
measurement
criteria
suppression,
respectively.
The
concluding
section
emphasizes
future
challenges
addressing
potential
further
promoting
lifespan
batteries.
Energy & Environmental Science,
Journal Year:
2020,
Volume and Issue:
13(10), P. 3527 - 3535
Published: Jan. 1, 2020
A
frigostable
aqueous
hybrid
electrolyte
enabled
by
the
solvation
interaction
of
Zn2+–EG
is
proposed
for
low-temperature
zinc-based
energy
storage
devices.
Advanced Energy Materials,
Journal Year:
2020,
Volume and Issue:
10(16)
Published: March 11, 2020
Abstract
Zinc‐based
batteries
have
a
high
capacity
and
are
safe,
cost‐effective,
environmentally‐friendly,
capable
of
scalable
production.
However,
dendrite
formation
poor
reversibility
hinder
their
performance.
Metal‐organic
framework
(MOF)‐based
Zn
anodes
made
by
wet
chemistry
to
address
these
issues.
These
MOF‐based
exhibit
efficiency
during
plating‐stripping
prevent
formation,
as
shown
ex
situ
SEM
analysis.
The
practicality
the
is
demonstrated
in
aqueous
ion
batteries,
which
show
improved
performance
including
specific
capacity,
cycle
life,
safety
relative
pristine
anode
due
hydrophilic
porous
surface.
results,
along
with
easy
scalability
process,
demonstrate
potential
MOF‐modified
for
use
dendrite‐free,
higher‐performance,
Zn‐based
energy
storage
systems.
Advanced Energy Materials,
Journal Year:
2021,
Volume and Issue:
11(14)
Published: Feb. 19, 2021
Abstract
The
design
and
development
of
advanced
energy
storage
systems
with
both
high
energy/power
densities
long
cycling
life
have
been
a
research
hotspot.
Zinc‐ion
hybrid
capacitors
(ZICs)
are
regarded
as
emerging
highly
promising
candidates,
which
originates
from
the
combined
advantages
zinc‐ion
batteries
(ZIBs)
large
density
supercapacitors
(SCs)
exceptional
power
cycle
stability.
This
critical
review
comprehensively
systematically
summarizes
fundamentals
recent
advances
ZICs,
including
their
compositions,
two
types
mechanisms,
disadvantages
ZICs
well
electrode
materials,
electrolytes
new
devices.
Moreover,
present
challenges
future
directions
proposed,
need
further
research.
is
expected
to
provide
good
guidance
for
exploitation
high‐performance
realize
potential
practical
applications.
Advanced Energy Materials,
Journal Year:
2020,
Volume and Issue:
10(37)
Published: Aug. 6, 2020
Abstract
Aqueous
electrochemical
zinc
ion
capacitors
(ZICs)
are
promising
next‐generation
energy
storage
devices
because
of
their
high
safety,
inexpensive
raw
materials,
and
long
cycle
life.
Herein,
an
aqueous
ZIC
with
superior
performance
is
fabricated
by
employing
oxygen‐rich
porous
carbon
cathode.
Excellent
capacitance
density
obtained
thanks
to
the
electric
double‐layer
carbon,
additional
pseudocapacitances
originating
from
variation
in
oxidation
states
oxygen
functional
groups
reversible
hydrogen
adsorption
desorption
during
each
round‐trip
charge–discharge
cycle.
Moreover,
cycling
stability
effectively
prolonged
suppressing
dendrite
growth
a
simple
surface
coating
strategy.
The
assembled
delivers
340.7
F
g
−1
,
capacity
179.8
mAh
wide
voltage
window
0–1.9
V,
maximum
104.8
Wh
kg
ultrahigh
power
48.8
kW
.
Furthermore,
as‐fabricated
exhibits
ultralong
life
30
000
cycles
retention
99.2%.
This
work
provides
novel
design
strategy
incorporating
redox
reactions
enhance
capability
ZICs
toward
practical
applications.
Advanced Energy Materials,
Journal Year:
2021,
Volume and Issue:
11(21)
Published: April 22, 2021
Abstract
An
electrochemical
zinc
ion
capacitor
(ZIC)
is
a
hybrid
supercapacitor
composed
of
porous
carbon
cathode
and
anode.
Based
on
the
low‐cost
features
metal,
ZIC
potential
candidate
for
safe,
high‐power,
energy
storage
applications.
ZICs
have
gained
tremendous
attention
in
recent
years.
However,
low
densities
limited
cycling
stability
are
still
major
challenges
developing
high‐performance
ZICs.
First,
density
by
capacitance
cathodes.
Second,
aqueous
electrolytes
induce
parasitic
reactions,
which
results
voltage
windows
poor
performances
Third,
stabilities
utilization
anodes
remain
to
develop
practical
This
review
summarizes
progress
highlights
both
promising
challenging
attributes
this
emerging
technology.
Future
research
directions
proposed
better,
lower
cost,
more
scalable