Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: June 22, 2024
Abstract
Circumventing
the
conventional
two-electron
oxygen
reduction
pathway
remains
a
great
problem
in
enhancing
efficiency
of
H
2
O
photosynthesis.
A
promising
approach
to
achieve
outstanding
photocatalytic
activity
involves
utilization
redox
intermediates.
Here,
we
engineer
polyimide
aerogel
photocatalyst
with
photoreductive
carbonyl
groups
for
non-sacrificial
production.
Under
photoexcitation,
on
surface
are
reduced,
forming
an
anion
radical
intermediate.
The
produced
intermediate
is
oxidized
by
produce
and
subsequently
restores
group.
high
catalytic
ascribed
cycle
mediated
anion,
which
not
only
promotes
adsorption
but
also
lowers
energy
barrier
reaction
generation.
An
apparent
quantum
yield
14.28%
at
420
±
10
nm
solar-to-chemical
conversion
0.92%
achieved.
Moreover,
demonstrate
that
mere
0.5
m
self-supported
exposed
natural
sunlight
6
h
yields
significant
production
34.3
mmol
−2
.
Advanced Materials,
Journal Year:
2022,
Volume and Issue:
34(14)
Published: Feb. 3, 2022
Impossible
voltage
plateau
regulation
for
the
cathode
materials
with
fixed
active
elemental
center
is
a
pressing
issue
hindering
development
of
Na-superionic-conductor
(NASICON)-type
Na3
V2
(PO4
)2
F3
(NVPF)
cathodes
in
sodium-ion
batteries
(SIBs).
Herein,
high-entropy
substitution
strategy,
to
alter
detailed
crystal
structure
NVPF
without
changing
central
V
atom,
pioneeringly
utilized,
achieving
simultaneous
electronic
conductivity
enhancement
and
diffusion
barrier
reduction
Na+
,
according
theoretical
calculations.
The
as-prepared
carbon-free
V1.9
(Ca,Mg,Al,Cr,Mn)0.1
(HE-NVPF)
can
deliver
higher
mean
3.81
more
advantageous
energy
density
up
445.5
Wh
kg-1
which
attributed
by
diverse
transition-metal
crystalline.
More
importantly,
introduction
help
realize
disordered
rearrangement
at
Na(2)
sites,
thereby
refrain
from
unfavorable
discharging
behaviors
low-voltage
region,
further
lifting
working
full
Na-ion
storage
high
plateau.
Coupling
hard
carbon
(HC)
anode,
HE-NVPF//HC
SIB
cells
specific
326.8
5
C
power
2178.9
W
.
This
route
means
unlikely
potential
NASICON-type
unchangeable
becomes
possible,
inspiring
new
ideas
on
elevating
cathodes.
Chemical Society Reviews,
Journal Year:
2022,
Volume and Issue:
51(15), P. 6307 - 6416
Published: Jan. 1, 2022
This
review
highlights
the
recent
advances
of
metalated
covalent
organic
frameworks,
including
synthetic
strategies
and
applications,
discusses
current
challenges
future
directions.
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(3), P. 1879 - 1905
Published: Jan. 30, 2023
Covalent
organic
frameworks
(COFs)
are
a
type
of
crystalline
porous
material
with
specific
features
and
interesting
structures,
including
porosity,
large
surface
area,
biocompatibility.
These
enable
COFs
to
be
considered
as
excellent
candidates
for
applications
in
various
fields.
Recently,
have
been
widely
demonstrated
promising
materials
biomedical
because
their
physicochemical
properties
ultrathin
structures.
In
this
review,
we
cover
the
recent
progress
COF
photodynamic
therapy,
gene
delivery,
photothermal
drug
bioimaging,
biosensing,
combined
therapies.
Moreover,
critical
challenges
further
perspectives
regards
future
biology-facing
also
discussed.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(13), P. 7202 - 7298
Published: Jan. 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 Materials,
Journal Year:
2022,
Volume and Issue:
34(37)
Published: July 29, 2022
The
poor
electronic
and
ionic
conductivities
of
covalent
organic
frameworks
(COFs)
severely
restrict
the
development
COF-based
electrodes
for
practical
rechargeable
batteries,
therefore
inspiring
more
research
interest
from
direction
both
material
synthesis
technology.
Herein,
a
dual-porous
COF,
USTB-6,
with
good
crystallinity
rich
redox-active
sites
is
conceived
fabricated
by
polymerization
2,3,8,9,14,15-hexa(4-formylphenyl)diquinoxalino
[2,3-a:2',3'-c]phenazine
2,7-diaminopyrene-4,5,9,10-tetraone.
In
particular,
heterogeneous
same
starting
materials
in
presence
graphene
affords
uniformly
dispersed
COF
nanosheets
thickness
8.3
nm
on
conductive
carbon
substrate,
effectively
enhancing
conductivity
electrode.
Such
graphene-supported
USTB-6
cathode
when
used
lithium-ion
battery
exhibits
specific
capacity
285
mA
h
g-1
at
current
density
0.2
C
excellent
rate
performance
prominent
188
10
C.
More
importantly,
170
retained
using
after
6000
cycles
charge
discharge
measurement
5
Interdisciplinary materials,
Journal Year:
2022,
Volume and Issue:
1(3), P. 417 - 433
Published: June 20, 2022
Abstract
The
accelerating
electrification
has
sparked
an
explosion
in
lithium‐ion
batteries
(LIBs)
consumption.
As
the
lifespan
declines,
substantial
LIBs
will
flow
into
recycling
market
and
promise
to
spawn
a
giant
system.
Nonetheless,
since
lack
of
unified
guiding
standard
nontraceability,
end‐of‐life
fallen
dilemma
low
rate,
poor
efficiency,
insignificant
benefits.
Herein,
tapping
summarizing
analyzing
current
status
challenges
LIBs,
this
outlook
provides
insights
for
future
course
full
lifecycle
management
proposing
gradient
utilization
recycling‐target
predesign
strategy.
Further,
we
acknowledge
some
recommendations
waste
anticipate
collaborative
effort
advance
sustainable
reliable
routes.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(10), P. 4877 - 4925
Published: Jan. 1, 2024
This
review
systematically
summarizes
various
redox
mechanisms
in
Zn-based
batteries
and
design
strategies
to
improve
their
electrochemical
performance,
which
provides
a
reference
for
future
development
of
high-performance
batteries.
