Abstract
Highway
tunnel
lighting
working
24
h
a
day,
365
days
year
largely
enables
traffic
safety
but
consumes
large
amount
of
electric
energy.
Moreover,
these
installations
are
powered
by
lithium‐based
batteries,
which
rely
on
Li
sources
and
flammable
organic
electrolytes,
leading
to
space
issues,
or
power
grids
facing
geographic
limitations
high
operating
costs.
Thus,
taking
advantage
cement‐based
materials
create
low‐cost
high‐safety
aqueous
structural
batteries
further
develop
self‐driven
tunnel‐lighting
system
is
greatly
desirable.
Herein,
the
Ni‐Zn
(CNZSBs),
solar
panels,
LEDs
successfully
assembled
together
realize
fully
solar‐powered
uninterrupted
system,
in
CNZSBs
can
deliver
maximum
energy
density
2.56
kWh
m
−3
,
as
well
enough
compressive
strength
act
part
structure.
Specifically,
panels
featuring
sustainable
input
enable
charging
for
storage
provide
stable
during
while
fully‐charged
offer
steady
output
voltage
at
night.
Such
an
provides
exciting
opportunities
developing
building
exploiting
renewable
sources.
Advanced Materials,
Год журнала:
2023,
Номер
35(48)
Опубликована: Сен. 25, 2023
The
integration
of
electronic
effects
into
complexes
for
the
construction
novel
materials
has
not
yet
attracted
significant
attention
in
field
energy
storage.
In
current
study,
eight
one-dimensional
(1D)
nickel-based
salicylic
acid
(Ni-XSAs,
X
=
pH,
pMe,
pMeO,
mMe,
pBr,
pCl,
pF,
and
pCF3
),
are
prepared
by
ligand
engineering.
coordination
environments
Ni-XSAs
explored
using
X-ray
absorption
fine
structure
spectroscopy.
charge
transfer
is
modulated
according
to
difference
electron-donating
ability
substituents,
combination
with
frontier
orbital
theory.
Furthermore,
density
functional
theory
used
investigate
effect
substituent
position
on
properties
complexes.
Ni-mMeSA
exhibits
better
electrical
conductivity
than
Ni-pMeSA.
electrochemical
performance
as
an
aqueous
battery
cathode
remarkably
improved
a
maximum
0.30
mWh
cm-2
(125
Wh
kg-1
)
peak
power
33.72
mW
(14.03
kW
).
This
study
provides
ideas
application
new
chemistry
science.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(32)
Опубликована: Март 1, 2024
Abstract
Limited
by
sluggish
reaction
kinetics,
insufficient
electrode
utilization
and
severe
volume
deformation,
designing
nickel‐based
materials
with
high
capacity
rate
capability
is
still
a
challenge.
Herein,
carbon
nanotubes
threaded
NiSe
2
/Co
3
Se
4
quantum
dots
embedded
in
nanospheres
rich
vacancies
both
Co
elaborately
designed
via
MOF
template
method.
The
formation
mechanism
of
the
elucidated
for
first
time,
which
ascribed
to
release
gas
during
decomposition
organic
ligand
inhibits
ordered
arrangement
atoms.
CNT‐V‐NiCoSe
possesses
many
significant
superiorities,
such
as
sufficiently
exposed
active
sites,
utilization,
favorable
charge‐carrier
migration,
relaxed
structure
deformation.
Consequently,
shows
top‐level
specific
(384
mAh
g
−1
at
1
A
),
ultrahigh
(209
150
)
remarkable
cycling
durability.
CNT‐V‐NiCoSe//Zn
battery
achieves
maximum
energy
density
615.6
Wh
kg
power
81.7
kW
.
Density
functional
theory
calculations
elucidate
improve
states
Fermi
level,
facilitates
internal
charge
transfer,
enhances
OH
−
adsorption
ability.
This
study
provides
guidance
preparation
high‐performance
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(6), С. 6998 - 7013
Опубликована: Янв. 31, 2024
The
rational
design
and
construction
of
composite
electrodes
are
crucial
for
overcoming
the
issues
poor
working
stability
slow
ionic
electron
mobility
a
single
component.
Nevertheless,
it
is
big
challenge
to
construct
core–shell
heterostructures
with
crystalline/amorphous/crystalline
heterointerfaces
in
straightforward
efficient
methods.
Here,
we
have
successfully
converted
portion
crystalline
CoGa2O4
into
amorphous
phase
by
employing
facile
sulfidation
process
(denoted
as
CoGa2O4–S),
followed
anchoring
NiCo-layered
double
hydroxide
NiCo-LDH)
nanoarrays
onto
hexagonal
plates
nucleation
points
CoGa2O4–S,
synthesizing
dual-type
flower-like
3D
CoGa2O4–S@NiCo-LDH
on
carbon
cloth.
Furthermore,
further
adjust
Ni/Co
ratio
LDH,
achieving
precise
controllable
heterostructures.
Benefiting
from
abundant
synergistic
effect
among
various
components,
CoGa2O4–S@Ni2Co1-LDH
electrode
exhibits
specific
capacity
247.8
mAh·g–1
at
1
A·g–1
good
rate
performance.
A
CoGa2O4–S@Ni2Co1-LDH//AC
flexible
asymmetric
supercapacitor
provides
an
energy
density
58.2
Wh·kg–1
power
850
W·kg–1
impressive
capacitance
retention
105.7%
after
10,000
cycles
10
A·g–1.
Our
research
profound
insights
other
similar
Advanced Materials,
Год журнала:
2024,
Номер
36(32)
Опубликована: Май 30, 2024
Uniquely
functional
nanocomplexes
with
rich
coordination
environments
are
critical
in
energy
storage.
However,
the
construction
of
structurally
versatile
remains
challenging.
In
this
study,
a
nickel-based
complex
structural
variations
is
designed
via
thermodynamic
modulation
using
dual-ligand
synthesis
strategy.
A
nanomaterial
(NiSA-SSA-160)
large
specific
surface
area
synthesized
around
competing
host
and
guest
molecules
that
differ
terms
chemical
properties
O
S
elements.
Concurrently,
environment
NiSA-SSA-160
investigated
X-ray
absorption
fine
structure
spectroscopy.
The
thiol
groups
synergistically
induced
an
electron-rich
Ni
structure,
thus
increasing
electron
density
central
atom.
electrochemical
performance
assembled
NiSA-SSA-160//Zn@CC
battery
shown
to
improve
significantly,
maximum
0.54
mWh
cm
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(22)
Опубликована: Март 28, 2023
Despite
their
high
output
voltage
and
safety
advantages,
rechargeable
alkaline
nickel-zinc
batteries
face
significant
challenges
associated
with
the
cathodic
side
reaction
of
oxygen
evolution,
which
results
in
low
energy
efficiency
(EE)
poor
stability.
Herein,
we
propose
to
leverage
evolution
(OER)
by
coupling
electrocatalysts
for
reduction
reactions
(ORR)
cathode,
thus
constructing
an
air
breathing
cathode.
Such
a
novel
battery
(Ni-ZnAB),
designed
pouch-type
cell
lean
electrolyte,
exhibits
outstanding
EE
85
%
long
cycle
life
100
cycles
at
2
mA
cm-2
,
are
significantly
superior
those
traditional
Ni-Zn
(54
%,
50
cycles).
Compared
Ni-Zn,
enhanced
Ni-ZnAB
is
attributed
contribution
from
ORR,
while
improved
cycling
stability
because
anode,
cathode
electrolyte
also
Ni-ZnAB.
Furthermore,
ultrahigh
500
average
84
was
achieved
using
mold
rich
demonstrating
strong
application
potential
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(6), С. 6988 - 6997
Опубликована: Фев. 4, 2024
Constructing
a
three-dimensional
(3D)
structure
along
with
Zn
(002)
texture
selective
exposure
is
promising
strategy
to
tackle
the
issues
faced
by
metal
anodes.
Herein,
for
first
time,
we
proposed
an
electrochemical
stripping
achieve
controlled
modification
of
and
microstructure
zinc
foils
in
one
step,
building
hierarchical
preferred
exposed
(SZ).
The
SZ
favorable
zincophilic
properties
not
only
can
reduce
concentration
polarization
at
interface
but
also
allow
grow
horizontally
on
edge
guiding
adsorption
sites
Zn2+.
Moreover,
honeycomb-like
beneficial
rearrange
distribution
Zn2+
flux
as
well
alleviating
stress
changes
during
cycling.
Thus,
SZ||Cu
cell
exhibits
excellent
stability
Coulombic
efficiency
99.76%
over
1800
cycles.
SZ||NaV3O8·xH2O
inconspicuous
self-discharge
effect
maintains
high
areal
capacity
3.67
mA
h
cm–2
even
after
700
cycles
low
N/P
ratio
3.6.
This
work
achieves
architecture
designing
simultaneously
metallurgical
methods
opens
up
potential
implement
practicality
