Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 7, 2024
Abstract
Developing
high‐activity
non‐noble
metal
catalysts
for
improving
the
ability
of
water
dissociation
and
H*
adsorption/desorption
in
hydrogen
evolution
reaction
(HER)
process
alkaline
neutral
electrolytes
is
essential
but
remains
challenging.
Herein,
a
Mo‐doped
NiCoCu
alloy
with
tuned
tensile
strain
localized
electrons
designed
synthesized
by
combining
solvothermal
annealing
methods
achieving
ampere‐level
HER
performance.
Theoretical
calculation
results
prove
that
Mo
doping
induces
lattice
(electrons
from
to
Ni/Co/Cu
atoms),
promoting
adsorption
O*
H
2
O
molecules
on
Co
sites
accelerating
dissociation.
Therefore,
NiCoCu‐Mo
0.078
/CF
(CF
=
copper
foam)
shows
low
energy,
providing
sufficient
during
process.
Meanwhile,
its
Gibbs
free
energy
value
near
zero,
implying
rapid
Electrochemical
show
achieves
better
intrinsic
activity
both
1.0
m
KOH
(
η
−10
/η
−1000
35/212
mV)
phosphate
buffer
solution
24/256
compared
0
0.163
/CF,
it
can
continuously
operate
100
h
at
mA
cm
−2
.
This
work
sustainable
way
design
high‐performance
electrolysis
proposes
well‐performing
catalyst.
Energy & Environmental Science,
Journal Year:
2023,
Volume and Issue:
17(1), P. 49 - 113
Published: Nov. 7, 2023
This
perspective
highlights
recent
advancements
in
innovative
strategies
to
provide
valuable
insights
into
the
potential
for
energy-saving
hydrogen
production
through
water
electrolysis.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(46)
Published: July 24, 2023
High
entropy
alloys
(HEAs)
are
highly
suitable
candidate
catalysts
for
oxygen
evolution
and
reduction
reactions
(OER/ORR)
as
they
offer
numerous
parameters
optimizing
the
electronic
structure
catalytic
sites.
Herein,
FeCoNiMoW
HEA
nanoparticles
synthesized
using
a
solution-based
low-temperature
approach.
Such
show
high
properties,
subtle
lattice
distortions,
modulated
structure,
leading
to
superior
OER
performance
with
an
overpotential
of
233
mV
at
10
mA
cm-2
276
100
.
Density
functional
theory
calculations
reveal
structures
active
sites
optimized
d-band
center
position
that
enables
adsorption
OOH*
intermediates
reduces
Gibbs
free
energy
barrier
in
process.
Aqueous
zinc-air
batteries
(ZABs)
based
on
this
demonstrate
open
circuit
potential
1.59
V,
peak
power
density
116.9
mW
,
specific
capacity
857
mAh
gZn-1,
excellent
stability
over
660
h
continuous
charge-discharge
cycles.
Flexible
solid
ZABs
also
assembled
tested,
displaying
different
bending
angles.
This
work
shows
significance
4d/5d
metal-modulated
ability
improve
OER/ORR,
ZABs,
beyond.
Green Energy & Environment,
Journal Year:
2022,
Volume and Issue:
9(2), P. 166 - 197
Published: Dec. 13, 2022
Photocatalysis
driven
by
abundant
yet
intermittent
solar
energy
has
considerable
potential
in
renewable
generation
and
environmental
remediation.
The
outstanding
electronic
structure
physicochemical
properties
of
graphitic
carbon
nitride
(g-C3N4),
together
with
unique
metal-free
characteristic,
make
them
ideal
candidates
for
advanced
photocatalysts
construction.
This
review
summarizes
the
up-to-date
advances
on
g-C3N4
based
from
ingenious-design
strategies
diversified
photocatalytic
applications.
Notably,
advantages,
fabrication
methods
limitations
each
design
strategy
are
systemically
analyzed.
In
order
to
deeply
comprehend
inner
connection
theory–structure–performance
upon
photocatalysts,
structure/composition
designs,
corresponding
activities
reaction
mechanisms
jointly
discussed,
associated
introducing
their
applications
toward
water
splitting,
dioxide/nitrogen
reduction
pollutants
degradation,
etc.
Finally,
current
challenges
future
perspectives
materials
photocatalysis
briefly
proposed.
These
also
instructive
constructing
other
environment-related
Small,
Journal Year:
2023,
Volume and Issue:
20(4)
Published: Sept. 15, 2023
Abstract
Rechargeable
zinc–air
batteries
(Re‐ZABs)
are
one
of
the
most
promising
next‐generation
that
can
hold
more
energy
while
being
cost‐effective
and
safer
than
existing
devices.
Nevertheless,
zinc
dendrites,
non‐portability,
limited
charge–discharge
cycles
have
long
been
obstacles
to
commercialization
Re‐ZABs.
Over
past
30
years,
milestone
breakthroughs
made
in
technical
indicators
(safety,
high
density,
battery
life),
components
(air
cathode,
anode,
gas
diffusion
layer),
configurations
(flexibility
portability),
however,
a
comprehensive
review
on
advanced
design
strategies
for
Re‐ZABs
system
from
multiple
angles
is
still
lacking.
This
underscores
progress
proposed
so
far
pursuit
high‐efficiency
system,
including
aspects
rechargeability
(from
primary
rechargeable),
air
cathode
unifunctional
bifunctional),
anode
dendritic
stable),
electrolytes
aqueous
non‐aqueous),
non‐portable
portable),
industrialization
laboratorial
practical).
Critical
appraisals
modification
approaches
(such
as
surface/interface
modulation,
nanoconfinement
catalysis,
defect
electrochemistry,
synergistic
electrocatalysis,
etc.)
highlighted
flexible
with
good
sustainability
density.
Finally,
insights
further
rendered
properly
future
research
directions
batteries.
