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Coal
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The summer of 2022 was
undoubtedly a very hot and
unbearable period. in the Arctic
Circle, the temperature once
soared to 32.5 degrees
centigrade, and the ice sheet
covering Greenland, the world's
largest island, is also melting
faster.
CO
2
CH
4
N
2
O
"Greenhouse gas emissions
from the burning of fossil fuels
such as coal, gas and oil are
making heatwaves hotter,
more persistent and more
frequent.“
——Friederike Otto
a leading UK climatologist
Alternative
Alternative
Microbial Fuel Cell
Cytochromes with
Fe
2+
/Fe
3+
redox center
After
in situ
reduction
Compared with Fe
2+
/Fe
3+
redox center, AgNPs may act as metal
shortcuts to bypass redox center-mediated slow electrons,
which boost the current density of MFC.
We call it
Silvanela = Silver + Shewanella
MFC can directly convert
chemical energy stored in
organic matter into electricity,
and have important applications
in power generation and
wastewater treatment.
However, current MFC
generally exhibit
undesirably low power
density. So how to
improve it?
We plan to display a
silver-binding protein on
the membrane of
Shewanella
to help it
capture silver ions and
reduce silver in into
nanoparticles.
silver nanoparticles can boost
the charge-extraction efficiency
So we got a synthetic biohybrid
system of
Shewanella
and silver
nanoparticles
Shewanella
is often used in
microbial fuel cells(MFCs)
E
l
e
c
t
r
o
n
i
c
C
o
n
d
u
c
t
i
v
i
t
y
The climate crisis is not waiting for us
!
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