Chemical Synthesis,
Journal Year:
2023,
Volume and Issue:
3(4)
Published: Oct. 13, 2023
Overall
water
splitting
is
considered
as
an
effective
technique
for
hydrogen
(H2)
production;
however,
it
usually
requires
large
operating
voltage
mainly
due
to
the
high
equilibrium
potential
of
anodic
oxygen
evolution
reaction
(OER).
Replacing
OER
with
energy-saving
anode
reactions
not
only
reduces
H2
production
but
also
generates
high-value-added
chemicals
or
purifies
wastewater.
This
review
article
provides
overview
fundamental
principles
overall
and
typical
alternative
reactions,
including
methanol
oxidation,
hydrazine
urea
oxidation
reactions.
Then,
preparation
methods,
regulation
strategies,
composition/structure-performance
relations
advanced
catalysts
these
energy-efficient
generation
technologies
are
discussed.
Finally,
we
propose
underlying
challenges
perspectives
this
promising
field.
Small,
Journal Year:
2022,
Volume and Issue:
18(52)
Published: Oct. 26, 2022
Abstract
With
the
development
of
renewable
energy
systems,
clean
hydrogen
is
burgeoning
as
an
optimal
alternative
to
fossil
fuels,
in
which
its
application
promising
retarding
global
and
environmental
crisis.
The
evolution
reaction
(HER),
capable
producing
high‐purity
rapidly
electrocatalytic
water
splitting,
has
received
much
attention.
Abundant
research
about
HER
been
done,
focusing
on
advanced
electrocatalyst
design
with
high
efficiency
robust
stability.
As
potential
catalysts,
metal
nanoclusters
(MNCs)
have
studied
extensively.
They
are
composed
several
a
hundred
atoms,
sizes
being
comparable
Fermi
wavelength
electrons,
that
is,
<
2.0
nm.
Different
from
atoms/nanoparticles,
they
exhibit
unique
catalytic
properties
due
their
quantum
size
effect
low‐coordination
environment.
In
this
review,
activity‐enhancing
approaches
MNCs
applied
electrocatalysis
mainly
summarized.
Furthermore,
recent
progress
classified
different
stabilization
strategies,
freestanding
MNCs,
organic,
carbon
supports,
introduced.
Finally,
current
challenges
deficiencies
these
for
prospected.
Device,
Journal Year:
2023,
Volume and Issue:
1(4), P. 100099 - 100099
Published: Oct. 1, 2023
Atmospheric
water
harvesting
(AWH)
is
a
promising
approach
to
providing
fresh
areas
without
access
large
bodies
of
freshwater
and
mitigating
imbalanced
distribution.
Besides
material
innovations,
researchers
have
explored
different
design
strategies
for
these
AWH
devices,
which
can
be
divided
into
monocyclic
multicyclic
types.
Monocyclic
harvesters
further
categorized
those
using
upward
vapor
escape,
research
efforts
focused
on
reducing
top
cover
heating
increasing
sorption
capacity,
downward
heat
recycling
cooling
enhance
condensation
efficiency.
Notably,
some
devices
utilize
radiative
require
zero
external
energy
input.
For
harvesters,
optimizing
the
sorbents'
uptake
kinetics
device
geometry
guarantee
continuous
harvesting.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Feb. 5, 2024
Developing
high-performance
aqueous
Zn-ion
batteries
from
sustainable
biomass
becomes
increasingly
vital
for
large-scale
energy
storage
in
the
foreseeable
future.
Therefore,
γ-MnO
Nature Water,
Journal Year:
2023,
Volume and Issue:
1(11), P. 982 - 991
Published: Oct. 30, 2023
Abstract
Shortage
of
clean
water
continues
to
grow
around
the
world,
and
recent
solar-powered
interfacial
system
has
emerged
as
a
sustainable,
efficient
CO
2
-neutral
approach
produce
water.
However,
complex
contaminants
in
surface
accompanied
with
environment
pollution
set
huge
obstacles
for
harvesting
via
previous
strategies.
Here
we
develop
graphene/alginate
hydrogel
(GAH)-based
extractor
super
resistance
transport
ultra-antifouling
capacity.
This
GAH
features
high
selectivity
by
rejecting
>99.5%
volatile
organic
compounds,
>99.3%
ions
(Na
+
,
Mg
2+
K
Ca
)
100%
non-volatile
compounds
bacteria;
meanwhile,
is
capable
oil
adhesion
forming
large
contact
angle
>140°
under
water,
deactivating
nearly
bacteria
on
preventing
salt
crystallization.
Given
such
promising
adaptability
wide
environment,
this
can
directly
convert
components
into
safe
drinkable
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(16), P. 15482 - 15491
Published: Aug. 3, 2023
Solar-driven
interfacial
evaporation
harnessing
solar
energy
on
a
water
surface
provides
sustainable
and
economic
means
to
efficiently
capture
freshwater
from
nontraditional
sources.
Endowed
with
hierarchical
porous
structure
mechanical
stability,
wood-based
evaporators
represent
renewable
alternative
petroleum-based
materials.
Nonetheless,
incidental
inferiorities
of
low
rate
weak
strength
are
challenging
overcome.
Herein,
we
propose
the
usage
chemically
stable
coordination
polymers
(Ni-dithiooxamidato,
Ni-DTA)
as
hydrophilic
photothermal
nanomaterials
for
molecular
design
robust
improved
performance.
In
situ
synthesis
Ni-DTA
onto
channel
wall
balsawood
sufficient
domains
that
localize
converted
facilitated
evaporation.
A
rational
control
methanol/dimethylformamide
ratios
enables
coexistence
1D-nanofibers
0D-nanoparticles,
endowing
Balsa-NiDTA
high
2.75
kg
m-2
h-1
an
efficiency
82%
under
one-sun
illumination.
Experimental
simulation
results
reveal
strong
hydration
ability
decrease
equivalent
enthalpy
induced
by
decreased
H-bonding
density
molecules
near
interface.
The
evaporator
showed
chemical
mainly
due
Ni-S/Ni-N
bonds
superior
cellulose
affinity
Ni-DTA.
Furthermore,
shows
excellent
antibacterial
activity
oil-fouling
propensity.
This
work
presents
facile
mild
strategy
evaporators,
contributing
highly
efficient
desalination
harsh
conditions.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(47)
Published: Sept. 3, 2023
Abstract
To
alleviate
the
severe
water
crisis,
an
interfacial
solar
evaporator
provides
a
promising
method
to
produce
freshwater.
Although
many
superior
evaporators
present
high
evaporation
rates
by
reducing
enthalpy,
adapting
sustainable
materials
construct
high‐efficiency
remains
challenging.
Herein,
inspired
corncob
pith's
structure
and
functional
groups,
interconnected
porous
cellulose
hydrogel
is
proposed
crosslinking
hydroxypropyl
cellulose.
Benefiting
from
abundant
hydroxy
group,
pith/carbon
nanotubes
(CNTs)
hydrogel/CNTs
show
low
enthalpy
of
880.5
±
42.1
1280.7
57.8
J
g
−1
due
reduced
hydrogen
bond
numbers
between
molecules
enable
3.06
2.56
kg
m
−2
h
,
respectively.
Moreover,
purification
performance
for
seawater
sewage,
excellent
anti‐biological
fouling
properties
under
light
irradiation.
It
anticipated
that
bionic
strategy
would
provide
in‐depth
understanding
designing
next‐generation
in
framework
dual‐carbon
concept.
National Science Review,
Journal Year:
2023,
Volume and Issue:
10(9)
Published: June 22, 2023
ABSTRACT
Wearable
hydrogel
sensors
provide
a
user-friendly
option
for
wearable
electronics
and
align
well
with
the
existing
manufacturing
strategy
connecting
communicating
large
numbers
of
Internet
Things
devices.
This
is
attributed
to
their
components
structures,
which
exhibit
exceptional
adaptability,
scalability,
bio-compatibility,
self-healing
properties,
reminiscent
human
skin.
review
focuses
on
recent
research
principal
structural
elements
hydrogels:
toughening
networks
conductive
networks,
highlighting
strategies
enhancing
mechanical
electrical
properties.
are
categorized
an
extensive
exploration
composition,
mechanism,
design
approach.
provides
comprehensive
understanding
hydrogels
offers
guidance
structures
in
order
develop
high-performance
sensors.
