What kind of Schottky diode should I use to parallel wire 9 VOLT batteries together?

[OntheBoard120]

I need help knowing what kind of schottky diode to use to wire parallel 9 volt batteries to make a really long lasting battery. I want to wire together like 9 of them. is it possible?

 

[James]

a diode would not normally be required.

is their a reason why just coupling several 9v batteries together is un acceptable?
otherwise, it might be worth considering a 12v battery as they can come in much larger capacity's and then use a voltage regulator to bring it down to 9v.

 

[OntheBoard120]

a diode would not normally be required.

is their a reason why just coupling several 9v batteries together is un acceptable?
otherwise, it might be worth considering a 12v battery as they can come in much larger capacity's and then use a voltage regulator to bring it down to 9v.

I am trying to wire a phone to either a charger that is powered by this battery pack or a phone to a battery pack