Transactions in Earth Environment and Sustainability,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 30, 2024
Building
carbon
emissions
(BCEs)
from
the
construction
industry
are
crucial
to
realizing
‘Dual-Carbon’
Goals
of
China,
but
their
spatio-temporal
and
stage
differences
not
fully
understood.
Here,
we
explored
spatial
temporal
building
in
Yangtze
River
Delta
urban
agglomeration
by
combining
life
cycle
assessment
analysis,
further
compared
contribution
rates
each
influencing
factor
BCEs
based
on
LMDI-STIRPAT
model.
The
results
revealed
that
2005
2020,
growth
rate
slowed
after
2013,
with
a
trend
‘slow
east
fast
west’.
With
respect
whole
process,
materials
production
transportation
is
most
significant.
Additionally,
types
energy
used
have
changed
dramatically
over
16
years.
Furthermore,
GDP
per
capita
intensity
strongest
positive
negative
drivers,
respectively.
These
findings
provide
complete
understanding
for
regional
exploration
contribute
formulating
low-carbon
policies
within
agglomerations.
Deleted Journal,
Год журнала:
2025,
Номер
unknown, С. 100078 - 100078
Опубликована: Янв. 1, 2025
<p>Building
sector
is
a
significant
contributor
to
global
carbon
emission,
primarily
driven
by
electricity
consumption
and
air-conditioning
demands.
A
sustainable
pathway
toward
building
decarbonization
involves
harnessing
solar
energy
simultaneously
generate
address
indoor
humidity
control.
In
this
work,
we
present
an
innovative
hybrid
system
that
integrates
photovoltaic
cells,
thermoelectric
generators,
metal-organic
frameworks
enable
all-day
power
generation
efficient
air
dehumidification.
This
leverages
the
synergy
between
moisture-induced
adsorption/desorption
heat
from
MOFs
harvesting
of
radiative
cooling
PV
cells.
Notably,
synergistic
effects
significantly
enhanced
efficiency
cell
23%
due
intensified
exchange
during
moisture
desorption,
increased
average
353%.
Additionally,
it
effectively
reduced
relative
79.12%
63.34%
within
4
hours.
We
further
demonstrate
application
on
roofs,
achieving
maximum
densities
88
W·m<sup>-2</sup>
day
2.12
at
night
in
Nanjing,
respectively.
Across
various
cities
China,
shows
annual
generated
ranges
1.08×10<sup>4</sup>
1.69×10<sup>4</sup>
kW,
along
with
savings
29
498
kW.
novel
approach
provides
low-energy
solution
for
continuous
dehumidification,
supporting
buildings.<br/>
</p>
Energies,
Год журнала:
2025,
Номер
18(1), С. 135 - 135
Опубликована: Янв. 1, 2025
The
replacement
of
greenhouse
surfaces
with
photovoltaic
cells
currently
presents
issues
internal
shading
and
uneven
illumination,
which
adversely
affect
crop
growth
yield.
Therefore,
in
order
to
improve
lighting
by
altering
the
arrangement
for
greater
economic
environmental
benefits,
four
cities
(Harbin,
Shenyang,
Nanjing,
Guangzhou)
were
selected
this
study.
Greenhouse
models
established
using
DesignBuilder
software
tool,
focusing
on
summer
winter
stages
cherry
tomatoes
strawberries.
Two
arrangements
employed—compact
(CR)
checkerboard
(BR)—to
evaluate
18
scenarios
based
power
generation,
illuminance
uniformity,
temperature.
Analysis
revealed
that,
among
cities,
improved
average
illumination
uniformity
37.34%,
37.9%,
38.2%,
35.8%,
respectively,
compared
compact
arrangement.
Except
nine
rows
Guangzhou,
unit
area
generation
schemes
exceeded
80
kWh/m2
summer,
excellent
efficiency.
In
winter,
there
was
a
relative
decrease.
Among
only
Harbin
reached
seven
produced
more
than
under
cells,
while
other
three
achieved
five
rows.
Strawberries
are
not
suitable
growing
Shenyang
winter.
addition
this,
strawberries
different
regions
at
have
best
maximizing
cost
