<s>
In	O
battery	O
technology	O
,	O
a	O
concentration	B-Algorithm
cell	I-Algorithm
is	O
a	O
limited	O
form	O
of	O
a	O
galvanic	O
cell	O
that	O
has	O
two	O
equivalent	O
half-cells	O
of	O
the	O
same	O
composition	O
differing	O
only	O
in	O
concentrations	O
.	O
</s>
<s>
A	O
concentration	B-Algorithm
cell	I-Algorithm
produces	O
a	O
small	O
voltage	O
as	O
it	O
attempts	O
to	O
reach	O
chemical	O
equilibrium	O
,	O
which	O
occurs	O
when	O
the	O
concentration	O
of	O
reactant	O
in	O
both	O
half-cells	O
are	O
equal	O
.	O
</s>
<s>
Because	O
an	O
order	O
of	O
magnitude	O
concentration	O
difference	O
produces	O
less	O
than	O
60	O
millivolts	O
at	O
room	O
temperature	O
,	O
concentration	B-Algorithm
cells	I-Algorithm
are	O
not	O
typically	O
used	O
for	O
energy	O
storage	O
.	O
</s>
<s>
A	O
concentration	B-Algorithm
cell	I-Algorithm
generates	O
electricity	O
from	O
the	O
reduction	O
in	O
the	O
thermodynamic	O
free	O
energy	O
of	O
the	O
electrochemical	O
system	O
as	O
the	O
difference	O
in	O
the	O
chemical	O
concentrations	O
in	O
the	O
two	O
half-cells	O
is	O
reduced	O
.	O
</s>
<s>
Concentration	B-Algorithm
cell	I-Algorithm
methods	O
of	O
chemical	O
analysis	O
compare	O
a	O
solution	O
of	O
known	O
concentration	O
with	O
an	O
unknown	O
,	O
determining	O
the	O
concentration	O
of	O
the	O
unknown	O
via	O
the	O
Nernst	O
Equation	O
or	O
comparison	O
tables	O
against	O
a	O
group	O
of	O
standards	O
.	O
</s>
<s>
Concentration	B-Algorithm
cell	I-Algorithm
corrosion	O
occurs	O
when	O
two	O
or	O
more	O
areas	O
of	O
a	O
metal	O
surface	O
are	O
in	O
contact	O
with	O
different	O
concentrations	O
of	O
the	O
same	O
solution	O
.	O
</s>
<s>
There	O
are	O
two	O
general	O
types	O
of	O
concentration	B-Algorithm
cells	I-Algorithm
.	O
</s>
<s>
Concentration	B-Algorithm
cells	I-Algorithm
can	O
be	O
electrode	O
concentration	B-Algorithm
cells	I-Algorithm
or	O
electrolyte	O
concentration	B-Algorithm
cells	I-Algorithm
.	O
</s>
<s>
Electrolyte	O
Concentration	B-Algorithm
cell	I-Algorithm
-	O
In	O
this	O
type	O
of	O
cell	O
the	O
electrodes	O
in	O
both	O
half	O
cells	O
are	O
made	O
of	O
the	O
same	O
substance	O
and	O
the	O
electrolyte	O
is	O
a	O
solution	O
of	O
the	O
same	O
substance	O
but	O
with	O
different	O
concentrations	O
.	O
</s>
<s>
Electrode	O
Concentration	B-Algorithm
cell	I-Algorithm
-	O
In	O
this	O
type	O
of	O
cell	O
two	O
electrodes	O
of	O
the	O
same	O
substance	O
but	O
of	O
different	O
concentrations	O
are	O
dipped	O
in	O
the	O
same	O
solution	O
.	O
</s>
