I want to calculate the energy lost from a battery to heat, and the energy stored in a battery. Are these formula's correct?

$ E_b$ = $I$$V$ x $t$

$ E_H$ = $I$$R$$^2$ x $t$

$E_b$ = energy stored in the battery.

$E_H$ = energy lost to heat.

$t$ = time.

  • 1
    $\begingroup$ $E_H=I^2 Rt$. You should consider efficiency of the charging process as well. $\endgroup$ – Qianyi Guo May 18 '14 at 7:11
  • $\begingroup$ What will calculate the energy stored? ... I will after understanding this step first. $\endgroup$ – Pupil May 18 '14 at 10:00
  • 1
    $\begingroup$ Do you want to know how much it stores or how much it can give? Amount stored could be calculated using nernst equation for alkaline batteries, how much a battery can give would be extremely difficult in my opinion! $\endgroup$ – Rijul Gupta May 18 '14 at 11:22
  • $\begingroup$ Both if possible, but if you can explain in an answer as why its difficult to know how much it could give out would be useful. $\endgroup$ – Pupil May 18 '14 at 12:43

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.