The
rising
demand
for
fossil
fuels
and
the
resulting
pollution
have
raised
environmental
concerns
about
energy
production.
Undoubtedly,
hydrogen
is
best
candidate
producing
clean
sustainable
now
in
future.
Water
splitting
a
promising
efficient
process
production,
where
catalysts
play
key
role
evolution
reaction
(HER).
HER
electrocatalysis
can
be
well
performed
by
Pt
with
low
overpotential
close
to
zero
Tafel
slope
of
30
mV
dec–1.
However,
main
challenge
expanding
production
using
inexpensive
catalysts.
Due
electrocatalytic
activity
electrochemical
stability,
transition
metal
compounds
are
options
electrocatalysts.
This
study
will
focus
on
analyzing
current
situation
recent
advances
design
development
nanostructured
electrocatalysts
noble
non-noble
metals
electrocatalysis.
In
general,
strategies
including
doping,
crystallization
control,
structural
engineering,
carbon
nanomaterials,
increasing
active
sites
changing
morphology
helpful
improve
performance.
Finally,
challenges
future
perspectives
designing
functional
stable
from
water-splitting
electrolysis
described.
Chemical Reviews,
Год журнала:
2022,
Номер
122(11), С. 10087 - 10125
Опубликована: Апрель 21, 2022
Metal–organic
frameworks
(MOFs)
have
recently
emerged
as
ideal
electrode
materials
and
precursors
for
electrochemical
energy
storage
conversion
(EESC)
owing
to
their
large
specific
surface
areas,
highly
tunable
porosities,
abundant
active
sites,
diversified
choices
of
metal
nodes
organic
linkers.
Both
MOF-based
MOF-derived
in
powder
form
been
widely
investigated
relation
synthesis
methods,
structure
morphology
controls,
performance
advantages
targeted
applications.
However,
engage
them
applications,
both
binders
additives
would
be
required
postprocessed
electrodes,
fundamentally
eliminating
some
the
sites
thus
degrading
superior
effects
MOF-based/derived
materials.
The
advancement
freestanding
electrodes
provides
a
new
promising
platform
EESC
thanks
apparent
merits,
including
fast
electron/charge
transmission
seamless
contact
between
current
collectors.
Benefiting
from
synergistic
effect
structures
materials,
outstanding
can
achieved,
stimulating
increasing
enthusiasm
recent
years.
This
review
timely
comprehensive
overview
on
structural
features
fabrication
techniques
electrodes.
Then,
latest
advances
are
summarized
devices
electrocatalysis.
Finally,
insights
into
currently
faced
challenges
further
perspectives
these
feasible
solutions
discussed,
aiming
at
providing
set
guidance
promote
development
scale-up
production
commercial
Chemical Society Reviews,
Год журнала:
2020,
Номер
49(12), С. 3952 - 3980
Опубликована: Янв. 1, 2020
The
different
polymorphic
phases
of
transition
metal
dichalcogenides
(TMDs)
have
attracted
enormous
interest
in
the
last
decade.
metastable
metallic
and
small
band
gap
group
VI
TMDs
displayed
leading
performance
for
electrocatalytic
hydrogen
evolution,
high
volumetric
capacitance
some
them
exhibit
large
quantum
spin
Hall
(QSH)
insulating
behaviour.
Metastable
1T(1T')
require
higher
formation
energy,
as
compared
to
thermodynamically
stable
2H
phase,
thus
standard
chemical
vapour
deposition
transport
processes
materials
normally
grow
phases.
Only
destabilization
their
phase
via
external
means,
such
charge
transfer
or
electric
field,
allows
conversion
crystal
structure
into
phase.
Bottom-up
synthesis
measurable
quantities
would
broaden
prospective
applications
practical
utilization.
There
is
an
emerging
evidence
that
these
can
be
directly
synthesized
bottom-up
vapour-
liquid-phase
methods.
This
review
will
provide
overview
strategies
which
been
designed
achieve
control
TMDs,
mechanisms
drive
We
a
critical
comparison
between
growth
pathways
techniques.
Morphological
characteristics
described
along
with
ability
act
electrocatalysts
evolution
reaction
from
water.
Phase
stability
reversibility
discussed
new
potential
introduced.
aims
at
providing
insights
fundamental
understanding
favourable
synthetic
conditions
stabilization
TMD
crystals
stimulating
future
advancements
field
large-scale
control.
Advanced Energy Materials,
Год журнала:
2021,
Номер
11(46)
Опубликована: Ноя. 6, 2021
Abstract
To
make
efficient
use
of
electrical
energy
in
the
whole
electrocatalysis
conversion
process,
integrating
anode
and
cathode
reactions
plays
a
vital
role.
The
combination
electrocatalytic
anodic
oxidation
with
cathodic
reduction
can
not
only
maximize
return
investment,
but
also
produces
value‐added
materials
on
both
sides.
Herein,
this
review,
recent
advances
co‐electrolysis
processes
for
valuable
chemical
production
are
systematically
summarized.
be
more
specific,
popular
hydrogen
evolution
reaction,
carbon
dioxide
nitrogen
reaction
as
well
nitrate
integrated
to
products,
respectively
comprehensively
reviewed,
then
other
paired
electrolysis
systems
(especially
biomass‐based
compounds)
toward
high‐value‐added
generation
discussed
detail.
This
review
sheds
light
integration
reductions
develop
high‐value
substances.
benefit
researchers
facilitate
progress
field,
challenges
future
prospects
these
proposed.
Journal of Materials Chemistry A,
Год журнала:
2020,
Номер
8(28), С. 14234 - 14242
Опубликована: Янв. 1, 2020
Exploring
highly
efficient,
stable,
and
non-noble-metal
bifunctional
electrocatalysts
for
overall
water
splitting
is
greatly
desired
but
still
remains
an
ongoing
challenge.
Advanced Materials,
Год журнала:
2021,
Номер
33(38)
Опубликована: Авг. 18, 2021
Abstract
Transition
metal
dichalcogenides
(TMDCs)
hold
great
promise
for
electrochemical
energy
conversion
technologies
in
view
of
their
unique
structural
features
associated
with
the
layered
structure
and
ultrathin
thickness.
Because
inert
basal
plane
accounts
majority
a
TMDC's
bulk,
activation
sites
is
necessary
to
fully
exploit
intrinsic
potential
TMDCs.
Here,
recent
advances
on
TMDCs‐based
hybrids/composites
greatly
enhanced
activity
are
reviewed.
After
summary
synthesis
TMDCs
different
sizes
morphologies,
comprehensive
in‐plane
strategies
described
detail,
mainly
including
in‐plane‐modification‐induced
phase
transformation,
surface‐layer
modulation,
interlayer
modification/coupling.
Simultaneously,
underlying
mechanisms
improved
activities
highlighted.
Finally,
strategic
evaluation
further
research
directions
featured.
This
work
would
shed
some
light
future
design
trends
functional
materials
energy‐related
applications.
Advanced Functional Materials,
Год журнала:
2022,
Номер
32(52)
Опубликована: Окт. 30, 2022
Abstract
Hydrogen
is
an
efficient,
clean,
and
economical
energy
source,
owing
to
its
huge
density.
Electrochemical
water
splitting
a
potential
candidate
for
inexpensive
eco‐friendly
hydrogen
production.
Recently,
the
development
of
2D
transition
metal
chalcogenides
(TMDs)
nanomaterials
with
variety
physicochemical
properties
has
shown
their
as
eminent
non‐noble
metal‐based
nanoscale
electrocatalysts
evolution.
Nanostructuring
such
materials
induces
deep
modification
functionalities,
compared
bulk
counterparts.
High
density
different
types
exposed
active
sites
formed,
small
diffusion
paths,
which
enhances
electron
transfer
in
structures,
can
successfully
aid
charge
collection
process
electrocatalytic
evolution
reactions.
In
this
review,
key
parameters
improve
catalyst
performance
TMDs
electrochemical
reaction
(HER)
processes
are
discussed
detail
most
recent
developments
field
summarized,
focusing
on
improvement
activity
TMDs.
This
review
delivers
insight
clear
understanding
HER,
suggesting
new
type
efficient
HER
well
other
renewable
fields.
