<s>
A	O
semi-solid	B-Algorithm
flow	I-Algorithm
battery	I-Algorithm
is	O
a	O
type	O
of	O
flow	B-Algorithm
battery	I-Algorithm
using	O
solid	O
battery	O
active	O
materials	O
or	O
involving	O
solid	O
species	O
in	O
the	O
energy	O
carrying	O
fluid	O
.	O
</s>
<s>
This	O
design	O
takes	O
advantage	O
of	O
both	O
the	O
designing	O
flexibility	O
of	O
flow	B-Algorithm
batteries	I-Algorithm
and	O
the	O
high	O
energy	O
density	O
active	O
materials	O
of	O
lithium-ion	O
batteries	O
.	O
</s>
<s>
By	O
using	O
lithium-ion	O
battery	O
active	O
materials	O
,	O
the	O
energy	O
density	O
of	O
the	O
flow	B-Algorithm
battery	I-Algorithm
system	O
can	O
be	O
significantly	O
improved	O
.	O
</s>
<s>
Other	O
chemistries	O
have	O
also	O
been	O
explored	O
for	O
this	O
system	O
,	O
such	O
as	O
sodium-ion	B-Algorithm
battery	I-Algorithm
,	O
lithium-sulfur	B-Algorithm
battery	I-Algorithm
,	O
and	O
others	O
.	O
</s>
<s>
Another	O
research	O
team	O
in	O
University	O
of	O
Virginia	O
reported	O
a	O
carbon-free	O
flow	B-Algorithm
battery	I-Algorithm
system	O
.	O
</s>
<s>
In	O
this	O
new	O
system	O
,	O
also	O
called	O
Solid	B-Algorithm
Dispersion	I-Algorithm
Flow	I-Algorithm
Battery	I-Algorithm
,	O
a	O
new	O
reaction	O
mechanism	O
was	O
discovered	O
with	O
electrochemical	O
reactions	O
occurring	O
based	O
on	O
particle	O
collisions	O
.	O
</s>
<s>
A	O
research	O
group	O
reported	O
redox	O
targeting	O
flow	B-Algorithm
battery	I-Algorithm
.	O
</s>
