ACS Nano,
Journal Year:
2018,
Volume and Issue:
12(8), P. 8017 - 8028
Published: July 26, 2018
The
MXene
combining
high
conductivity,
hydrophilic
surface,
and
wide
chemical
variety
has
been
recognized
as
a
rapidly
rising
star
on
the
horizon
of
two-dimensional
(2D)
material
science.
However,
strong
tendency
to
intersheet
aggregate
via
van
der
Waals
force
represents
major
problem
limiting
functionalities,
processability,
performance
MXene-based
material/devices.
We
report
capillary-forced
assembling
strategy
for
processing
hierarchical
3D
architecture
with
geometry-based
resistance
aggregation.
Aggregate-resistant
properties
not
only
double
surface
area
without
loss
intrinsic
but
also
render
characteristics
such
kinetics-favorable
framework,
robustness,
excellent
processability
in
both
solution
solid
state.
Synergistically
coupling
electrochemically
active
phases
metal
oxide/phosphides,
noble
metals,
or
sulfur
yields
hybrid
systems
greatly
boosted
area,
charge-transfer
kinetics,
mass
diffusion
rate.
Specifically,
CoP-3D
hybrids
exhibit
electrocatalytic
activity
toward
oxygen
hydrogen
evolution
alkaline
electrolyte.
As
bifunctional
electrocatalyst,
they
superior
cell
voltage
durability
combined
RuO2/Pt
catalysts
overall
water
splitting
basic
solution,
highlighting
great
promise
aggregation-resistant
development
high-performance
electrocatalysts.
Chemical Reviews,
Journal Year:
2019,
Volume and Issue:
120(2), P. 851 - 918
Published: Oct. 28, 2019
Hydrogen
fuel
is
considered
as
the
cleanest
renewable
resource
and
primary
alternative
to
fossil
fuels
for
future
energy
supply.
Sustainable
hydrogen
generation
major
prerequisite
realize
economy.
The
electrocatalytic
evolution
reaction
(HER),
vital
step
of
water
electrolysis
H2
production,
has
been
subject
extensive
study
over
past
decades.
In
this
comprehensive
review,
we
first
summarize
fundamentals
HER
review
recent
state-of-the-art
advances
in
low-cost
high-performance
catalysts
based
on
noble
non-noble
metals,
well
metal-free
electrocatalysts.
We
systemically
discuss
insights
into
relationship
among
catalytic
activity,
morphology,
structure,
composition,
synthetic
method.
Strategies
developing
an
effective
catalyst,
including
increasing
intrinsic
activity
active
sites
and/or
number
sites,
are
summarized
highlighted.
Finally,
challenges,
perspectives,
research
directions
electrocatalysis
featured.
Chemical Reviews,
Journal Year:
2019,
Volume and Issue:
119(6), P. 3962 - 4179
Published: Feb. 14, 2019
Photoreduction
of
CO2
into
sustainable
and
green
solar
fuels
is
generally
believed
to
be
an
appealing
solution
simultaneously
overcome
both
environmental
problems
energy
crisis.
The
low
selectivity
challenging
multi-electron
photoreduction
reactions
makes
it
one
the
holy
grails
in
heterogeneous
photocatalysis.
This
Review
highlights
important
roles
cocatalysts
selective
photocatalytic
reduction
using
semiconductor
catalysts.
A
special
emphasis
this
review
placed
on
key
role,
design
considerations
modification
strategies
for
photoreduction.
Various
cocatalysts,
such
as
biomimetic,
metal-based,
metal-free,
multifunctional
ones,
their
are
summarized
discussed,
along
with
recent
advances
area.
provides
useful
information
highly
photo(electro)reduction
electroreduction
complements
existing
reviews
various
photocatalysts.
Journal of the American Chemical Society,
Journal Year:
2018,
Volume and Issue:
140(7), P. 2610 - 2618
Published: Jan. 17, 2018
The
construction
of
highly
active
and
stable
non-noble-metal
electrocatalysts
for
hydrogen
oxygen
evolution
reactions
is
a
major
challenge
overall
water
splitting.
Herein,
we
report
novel
hybrid
nanostructure
with
CoP
nanoparticles
(NPs)
embedded
in
N-doped
carbon
nanotube
hollow
polyhedron
(NCNHP)
through
pyrolysis–oxidation–phosphidation
strategy
derived
from
core–shell
ZIF-8@ZIF-67.
Benefiting
the
synergistic
effects
between
NPs
NCNHP,
CoP/NCNHP
exhibited
outstanding
bifunctional
electrocatalytic
performances.
When
was
employed
as
both
anode
cathode
splitting,
potential
low
1.64
V
needed
to
achieve
current
density
10
mA·cm–2,
it
still
superior
activity
after
continuously
working
36
h
nearly
negligible
decay
potential.
Density
functional
theory
calculations
indicated
that
electron
transfer
NCNHP
could
increase
electronic
states
Co
d-orbital
around
Fermi
level,
which
binding
strength
H
therefore
improve
performance.
strong
stability
attributed
high
oxidation
resistance
surface
protected
by
NCNHP.
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
33(31)
Published: June 12, 2021
Abstract
Hydrogen
economy
has
emerged
as
a
very
promising
alternative
to
the
current
hydrocarbon
economy,
which
involves
process
of
harvesting
renewable
energy
split
water
into
hydrogen
and
oxygen
then
further
utilization
clean
fuel.
The
production
by
electrolysis
is
an
essential
prerequisite
with
zero
carbon
emission.
Among
various
technologies,
alkaline
splitting
been
commercialized
for
more
than
100
years,
representing
most
mature
economic
technology.
Here,
historic
development
overviewed,
several
critical
electrochemical
parameters
are
discussed.
After
that,
advanced
nonprecious
metal
electrocatalysts
that
recently
negotiating
evolution
reaction
(OER)
(HER)
discussed,
including
transition
oxides,
(oxy)hydroxides,
chalcogenides,
phosphides,
nitrides
OER,
well
alloys,
carbides
HER.
In
this
section,
particular
attention
paid
catalyst
synthesis,
activity
stability
challenges,
performance
improvement,
industry‐relevant
developments.
Some
recent
works
about
scaled‐up
novel
electrode
designs,
seawater
also
spotlighted.
Finally,
outlook
on
future
challenges
opportunities
offered,
potential
directions
speculated.
Advanced Science,
Journal Year:
2017,
Volume and Issue:
5(2)
Published: Nov. 10, 2017
Hydrogen
evolution
reaction
(HER)
in
alkaline
medium
is
currently
a
point
of
focus
for
sustainable
development
hydrogen
as
an
alternative
clean
fuel
various
energy
systems,
but
suffers
from
sluggish
kinetics
due
to
additional
water
dissociation
step.
So,
the
state-of-the-art
catalysts
performing
well
acidic
media
lose
considerable
catalytic
performance
media.
This
review
summarizes
recent
developments
overcome
issues
HER,
synthesis
materials
with
modified
morphologies,
and
electronic
structures
tune
active
sites
their
applications
efficient
HER.
It
first
explains
fundamentals
electrochemistry
HER
then
outlines
requirements
stable
catalyst
medium.
The
challenges
limitation
electrocatalysts
along
prospective
solutions
are
highlighted.
further
describes
methods
advanced
nanostructures
based
on
carbon,
noble,
inexpensive
metals
heterogeneous
structures.
These
provide
some
ideal
systems
analyzing
role
structure
synergy
catalysis.
At
end,
it
provides
concluding
remarks
future
perspectives
that
can
be
helpful
tuning
active-sites
improved
electrochemical
efficiencies
future.
Chemical Reviews,
Journal Year:
2018,
Volume and Issue:
118(13), P. 6409 - 6455
Published: June 21, 2018
As
one
unique
group
of
two-dimensional
(2D)
nanomaterials,
2D
metal
nanomaterials
have
drawn
increasing
attention
owing
to
their
intriguing
physiochemical
properties
and
broad
range
promising
applications.
In
this
Review,
we
briefly
introduce
the
general
synthetic
strategies
applied
followed
by
describing
in
detail
various
methods
classified
two
categories,
i.e.
bottom-up
top-down
methods.
After
introducing
physical
chemical
potential
applications
catalysis,
surface
enhanced
Raman
scattering,
sensing,
bioimaging,
solar
cells,
photothermal
therapy
are
discussed
detail.
Finally,
challenges
opportunities
research
area
proposed.
Advanced Materials,
Journal Year:
2019,
Volume and Issue:
31(31)
Published: March 6, 2019
Water-splitting
electrolyzers
that
can
convert
electricity
into
storable
hydrogen
are
a
fascinating
and
scalable
energy
conversion
technology
for
the
utilization
of
renewable
energies.
To
speed
up
sluggish
oxygen
evolution
reactions
(HER
OER),
electrocatalysts
essential
reducing
their
kinetic
barriers
eventually
improving
efficiency.
As
efficient
strategies
modulating
binding
ability
water-splitting
intermediates
on
electrocatalyst
surface,
support
effect
interface
drawing
growing
attention.
Herein,
some
recent
research
progress
effects
in
HER,
OER,
overall
is
highlighted.
Specifically,
correlation
between
electronic
interaction
constituent
components
electrocatalytic
performance
profoundly
discussed,
with
aim
advancing
development
highly
electrocatalysts,
which
may
replace
noble-metal-based
bring
practically
widespread
reality.
Chemical Society Reviews,
Journal Year:
2021,
Volume and Issue:
50(12), P. 6871 - 6913
Published: Jan. 1, 2021
This
review
article
summarizes
the
design
principles
and
strategies
for
synthesis
of
functional
COFs,
with
a
special
focus
on
their
potential
electrochemical
applications.
Advanced Energy Materials,
Journal Year:
2020,
Volume and Issue:
11(1)
Published: Nov. 16, 2020
Abstract
Zinc‐ion
batteries
(ZIBs)
are
regarded
as
a
promising
candidate
for
next‐generation
energy
storage
systems
due
to
their
high
safety,
resource
availability,
and
environmental
friendliness.
Nevertheless,
the
instability
of
Zn
metal
anode
has
impeded
ZIBs
from
being
reliably
deployed
in
proposed
applications.
Specifically,
dendrite
formation
hydrogen
evolution
reaction
(HER)
on
surface
significantly
compromise
Coulombic
efficiency
cycling
stability
ZIBs.
In
recent
years,
increasing
efforts
have
been
devoted
overcoming
these
obstacles
by
electrode
structure
design,
interface
modification,
electrolyte/separator
optimization.
To
achieve
an
insightful
comprehensive
understanding
strategies,
it
is
worth
analyzing
categorizing
them
according
intrinsic
mechanisms.
Considering
this,
overview
anodic
stabilization
strategies
provided.
First,
fundamentals
introduced,
associated
mechanisms
presented.
Furthermore,
HER
suppression
categorized,
discussed,
analyzed
detail.
Last,
suggestions
deployment
research,
industrialization,
commercialization
aspects
proposed.
It
expected
that
this
Review
will
shed
light
roadmap
exploration
novel
anodes