Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(25)
Published: March 8, 2024
Abstract
Non‐noble
transition
metal
(TM)‐based
compounds
have
recently
become
a
focal
point
of
extensive
research
interest
as
electrocatalysts
for
the
two
electron
oxygen
reduction
(2e
−
ORR)
process.
To
efficiently
drive
this
reaction,
these
TM‐based
must
bear
unique
physiochemical
properties,
which
are
strongly
dependent
on
their
phase
structures.
Consequently,
adopting
engineering
strategies
toward
structure
has
emerged
cutting‐edge
scientific
pursuit,
crucial
achieving
high
activity,
selectivity,
and
stability
in
electrocatalytic
This
comprehensive
review
addresses
intricate
field
applied
to
non‐noble
2e
ORR.
First,
connotation
fundamental
concepts
related
kinetics
thermodynamics
succinctly
elucidated.
Subsequently,
focus
shifts
detailed
discussion
various
approaches,
including
elemental
doping,
defect
creation,
heterostructure
construction,
coordination
tuning,
crystalline
design,
polymorphic
transformation
boost
or
revive
ORR
performance
(selectivity,
stability)
catalysts,
accompanied
by
an
insightful
exploration
phase‐performance
correlation.
Finally,
proposes
fresh
perspectives
current
challenges
opportunities
burgeoning
field,
together
with
several
critical
directions
future
development
electrocatalysts.
SusMat,
Journal Year:
2023,
Volume and Issue:
3(2), P. 160 - 179
Published: March 2, 2023
Abstract
In
recent
years,
owing
to
the
depletion
of
fossil
energy
and
aggravation
environmental
pollution,
conversion
storage
distributed
renewable
(such
as
solar
energy,
wind
tidal
energy)
based
on
electrochemical
technology
have
attracted
extensive
attention.
Electrocatalytic
processes
with
high
efficiency
selectivity
play
a
key
role
in
clean
storage.
With
nearly
100%
atomic
utilization
rate
unique
catalytic
activity,
single‐atom
catalysts
(SACs)
been
rapidly
developed
widely
used
field
this
review,
we
first
introduce
characteristics
SACs.
Then,
focus
application
SACs
conversion,
including
water
electrolysis
reaction,
nitrogen
reduction
nitrate
oxygen
carbon
dioxide
reaction.
terms
storage,
supercapacitors
Li–S
batteries.
Further,
enumerate
some
methods
for
synthesis
metal
loading
or
large
scale.
Finally,
main
challenges
opportunities
emerging
future
are
discussed
prospected.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Jan. 2, 2024
Abstract
Direct
electrosynthesis
of
hydrogen
peroxide
(H
2
O
)
via
the
two-electron
oxygen
reduction
reaction
presents
a
burgeoning
alternative
to
conventional
energy-intensive
anthraquinone
process
for
on-site
applications.
Nevertheless,
its
adoption
is
currently
hindered
by
inferior
H
selectivity
and
diminished
yield
induced
consecutive
or
Fenton
reactions.
Herein,
guided
theoretical
calculations,
we
endeavor
overcome
this
challenge
activating
main-group
Pb
single-atom
catalyst
local
micro-environment
engineering
strategy
employing
sulfur
super-coordinated
structure.
The
catalyst,
synthesized
using
carbon
dot-assisted
pyrolysis
technique,
displays
an
industrial
current
density
reaching
400
mA
cm
−2
elevated
accumulated
concentrations
(1358
mM)
with
remarkable
Faradaic
efficiencies.
Both
experimental
results
simulations
elucidate
that
S
super-coordination
directs
fraction
electrons
from
sites
coordinated
atoms,
consequently
optimizing
*OOH
binding
energy
augmenting
2e
−
activity.
This
work
unveils
novel
avenues
mitigating
production-depletion
in
through
rational
design
catalysts.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(25)
Published: March 8, 2024
Abstract
Non‐noble
transition
metal
(TM)‐based
compounds
have
recently
become
a
focal
point
of
extensive
research
interest
as
electrocatalysts
for
the
two
electron
oxygen
reduction
(2e
−
ORR)
process.
To
efficiently
drive
this
reaction,
these
TM‐based
must
bear
unique
physiochemical
properties,
which
are
strongly
dependent
on
their
phase
structures.
Consequently,
adopting
engineering
strategies
toward
structure
has
emerged
cutting‐edge
scientific
pursuit,
crucial
achieving
high
activity,
selectivity,
and
stability
in
electrocatalytic
This
comprehensive
review
addresses
intricate
field
applied
to
non‐noble
2e
ORR.
First,
connotation
fundamental
concepts
related
kinetics
thermodynamics
succinctly
elucidated.
Subsequently,
focus
shifts
detailed
discussion
various
approaches,
including
elemental
doping,
defect
creation,
heterostructure
construction,
coordination
tuning,
crystalline
design,
polymorphic
transformation
boost
or
revive
ORR
performance
(selectivity,
stability)
catalysts,
accompanied
by
an
insightful
exploration
phase‐performance
correlation.
Finally,
proposes
fresh
perspectives
current
challenges
opportunities
burgeoning
field,
together
with
several
critical
directions
future
development
electrocatalysts.
