World Electric Vehicle Journal,
Год журнала:
2025,
Номер
16(4), С. 227 - 227
Опубликована: Апрель 11, 2025
Green
hydrogen
is
increasingly
recognized
as
a
sustainable
energy
vector,
offering
significant
potential
for
the
industrial
sector,
buildings,
and
transport.
As
countries
work
to
establish
infrastructure
production,
transport,
storage,
they
face
several
challenges,
including
high
costs,
complexity,
security
concerns,
maintenance
requirements,
need
public
acceptance.
To
explore
these
challenges
their
environmental
impact,
this
study
proposes
hybrid
that
integrates
photovoltaic
solar
production
storage
of
green
hydrogen,
with
PEMFC
fuel
cells
Power-to-Electricity
(PtE)
Power-to-Gas
(PtG)
configurations.
The
proposed
system
architecture
governed
by
an
innovative
optimization
management
(EMS)
algorithm,
allowing
forecasting,
control,
supervision
various
PV–hydrogen–Grid
transfer
scenarios.
Additionally,
comprehensive
daily
seasonal
simulations
were
performed
evaluate
power
sharing,
transfer,
capabilities.
Dynamic
performance
assessments
conducted
under
different
conditions
radiation,
temperature,
load,
demonstrating
system’s
adaptability.
results
indicate
overall
efficiency
62%,
greenhouse
gas
emissions
reduced
1%
around
250
kg
equivalent
8350
KWh/day.
Advanced Nanocomposites,
Год журнала:
2024,
Номер
1(1), С. 180 - 200
Опубликована: Янв. 1, 2024
Photocatalytic
concrete
technology
is
gaining
attention
in
sustainable
building
and
infra–structure
for
its
crucial
role
catalyzing
the
decomposition
of
harmful
air
pollutants
improving
quality.
It
incorporates
photocatalysts
such
as
Titanium
dioxide
(TiO2)
Zinc
oxide
(ZnO)
to
purify
offer
self-cleaning
capabilities.
This
review
examines
pollutant
removal
capabilities
photocatalytic
concrete,
analyses
factors
influencing
efficacy,
explores
different
preparation
methods
mechanical
properties,
includes
a
life
cycle
assessment
(LCA)
evaluate
environmental
impact.
Cement-based
materials,
serving
carrier
photocatalysts,
exhibit
varying
effects
based
on
type
especially
types
TiO2
crystals.
Analysis
methods,
including
mixing,
spraying
impregnation,
emphasizes
imperative
need
research
aimed
at
active
lifespan
bonding
strength
coating
substrate.
The
discussion
covers
strategies
enhancing
photocatalyst
performance
through
surface
modification,
addressing
associated
technical
future
challenges.
Innovative
use
recycled
glass
increase
nitrogen
oxides
rates
incorporation
porous
materials
zeolites
efficiency
sulfur
SO2
CO2
have
been
evaluated.
nanoparticle
fraction
significantly
influences
hydration
overall
cement-based
with
an
optimal
range
4–10
wt
%
cement
mass
recommended.
LCA
indicate
exploring
more
environmentally
friendly
design
options
enhance
application
infrastructure
roads
facades.
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Окт. 31, 2023
To
propel
the
green
transformation
of
transportation
industry
in
Guangdong
Province.
Against
backdrop
five-year
plan,
this
study
employs
Tapio
decoupling
model
and
Logarithmic
Mean
Divisia
Index
decomposition
method
to
analyze
status
driving
factors
carbon
emissions
from
economic
growth
Province
2001
2020.
The
results
show
that:(1)
Both
total
volume
per
capita
exhibit
an
overall
upward
trend,
with
petroleum-based
accounting
for
overwhelming
96%,
diesel
register
highest
proportion
most
substantial
increase.
(2)
predominantly
manifests
as
weak
decoupling,
intermittent
years
expansive
coupling,,
negative
strong
recessive
coupling,
thus
indicating
a
persistent
state
instability.
(3)
introduces
urbanization
effect,
wherein
effects
income
urbanization,
well
spatial
exert
positive
influences.
Conversely,
energy
intensity,
population
scale,
structure
collectively
Notably,
effect
emerges
primary
factor
propelling
augmentation
emissions,
while
intensity
serves
curbing
such
escalation.
Finally,
pertinent
policy
recommendations
are
put
forth.
Developments in the Built Environment,
Год журнала:
2023,
Номер
17, С. 100314 - 100314
Опубликована: Дек. 29, 2023
Hydration
process,
products,
microstructure,
and
compressive
strength
of
steel
slag
in
alkaline
environments
at
room
high
temperature
were
investigated.
Results
show
that
high-temperature
curing
significantly
promotes
the
early
hydration,
causing
more
products.
The
promoting
effect
becomes
apparent
with
higher
activator
content.
cumulative
heat
apparently
increases
by
approximately
twice
6%
alkali
Increasing
has
no
on
types
products
hydration
inactive
components.
remain
as
Ca(OH)2
C-(A)-S-H,
but
Ca/Si
Al/Si
ratios
increase
from
1.42
to
2.41
0.14
0.21,
respectively.
High-temperature
makes
matrix
denser,
resulting
a
substantial
strength.
However,
diminishes
over
time.
growth
rates
28
d
are
only
−1%
4%
different
Moreover,
alkali-activated
material
great
potential
field
low-carbon
cementitious
materials.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Март 25, 2024
Abstract
Northwest
China
has
great
natural
resource
endowment
to
develop
its
economy,
but
factors
such
as
geographic
remoteness
and
technological
backwardness
result
in
lower
economic
levels
higher
carbon
emissions.
This
study
calculated
the
energy-related
emissions
of
five
provinces
this
region,
evolutionary
characteristics
were
analysed
from
spatiotemporal
perspective.
The
Kaya
identity
was
applied
decompose
influencing
emissions,
logarithmic
mean
divisia
index
(LMDI)
refined
Laspeyres
combined
calculate
role
each
factor
on
Finally,
Tapio
LMDI
models
used
analyse
evolution
decoupling
relationship
between
growth
various
factors.
showed
an
increasing
trend.
In
terms
factors,
urban
expansion
had
highest
contributions
inhibition,
whereas
population
agglomeration
opposite
effect.
trends
growth.
Energy & Environment,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 15, 2025
Carbon
emission
efficiency
(CEE)
reflects
the
interplay
between
carbon
emissions
and
economy,
which
refers
to
achieving
more
economic
benefits
lower
while
considering
energy,
labor,
capital
inputs.
Assessing
regional
CEE
is
crucial
for
evaluating
level
of
China's
low-carbon
development.
Thus,
this
paper
proposes
a
scenario-based
hybrid
model
with
foresight
perspective
game
cross-efficiency
(GCE)
analysis.
It
measures
future
41
Yangtze
River
Delta
(YRD)
cities
from
2023
2030.
The
improved
gray
forecasting
models
generate
input
output
datasets
GCE
analysis,
assurance
region
constraint
simulates
energy
consumption
dual-control
policy.
results
show
that:
(1)
CEEs
are
generally
low,
an
average
0.2142.
Shanghai
has
highest
CEE,
0.8089,
Tongling
lowest,
0.0307,
under
current
policy
constraint.
(2)
Under
four
control
scenarios,
YRD
urban
agglomeration
follows
U-shaped
trend.
indicates
that
may
lead
short-term
decline
in
YRD,
but
long
term,
it
gradually
increase
2025
or
2026.
(3)
Spatial–temporal
analysis
reveals
government
should
flexibly
optimize
update
intensity
value
based
on
development
differences
focus
consumption.
These
provide
forward-looking
guidance
high-quality
