Recharging Batteries  [ENDORSED]

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Annalyn Diaz 1J
Posts: 61
Joined: Fri Sep 28, 2018 12:15 am

Recharging Batteries

Postby Annalyn Diaz 1J » Fri Feb 22, 2019 10:30 am

Why is recharging a battery considered to be an unfavorable reaction?

IsabelLight2H
Posts: 34
Joined: Wed Oct 03, 2018 12:15 am

Re: Recharging Batteries

Postby IsabelLight2H » Fri Feb 22, 2019 10:44 am

I think it's because the battery is absorbing energy. A favorable reaction releases energy.

KatrinaPho_2I
Posts: 60
Joined: Fri Sep 28, 2018 12:28 am

Re: Recharging Batteries

Postby KatrinaPho_2I » Fri Feb 22, 2019 11:35 am

For batteries to be recharged, the reaction has to be reversed and electrical energy has to be supplied. Because we have to supply and input energy, this is not favorable.

makenzie2K
Posts: 31
Joined: Fri Sep 28, 2018 12:20 am

Re: Recharging Batteries

Postby makenzie2K » Fri Feb 22, 2019 4:24 pm

In a favorable reaction, the system is doing work. By charging a battery, you are doing work to a system. While possible, it is just simply not ideal.

Dimitri Speron 1C
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Been upvoted: 1 time

Re: Recharging Batteries

Postby Dimitri Speron 1C » Mon Feb 25, 2019 12:21 pm

The potential of the reverse reaction is negative, therefore it is not spontaneous and will require a supply of energy to occur.

Rehan Chinoy 1K
Posts: 67
Joined: Fri Sep 28, 2018 12:25 am

Re: Recharging Batteries

Postby Rehan Chinoy 1K » Mon Feb 25, 2019 2:42 pm

Charging a reaction is endergonic and thus not spontaneous.

Nicklas_Wright_1A
Posts: 60
Joined: Fri Sep 28, 2018 12:23 am

Re: Recharging Batteries  [ENDORSED]

Postby Nicklas_Wright_1A » Mon Feb 25, 2019 4:32 pm

Charging a battery requires supplying it with energy.

Rehan Chinoy 1K
Posts: 67
Joined: Fri Sep 28, 2018 12:25 am

Re: Recharging Batteries

Postby Rehan Chinoy 1K » Wed Feb 27, 2019 5:25 pm

Remember that in a battery electrical energy --> chemical energy.

Hannah Yates 1K
Posts: 59
Joined: Fri Sep 28, 2018 12:27 am

Re: Recharging Batteries

Postby Hannah Yates 1K » Sun Mar 03, 2019 3:29 pm

IsabelLight2H wrote:I think it's because the battery is absorbing energy. A favorable reaction releases energy.


Exactly. For example, we supply energy to our phone battery by plugging it in.

Maya Beal Dis 1D
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Joined: Sat Aug 17, 2019 12:16 am
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Re: Recharging Batteries

Postby Maya Beal Dis 1D » Tue Feb 25, 2020 7:17 pm

A battery dying or being used is releasing energy and therefore favorable, so the reverse reaction (charging the battery) would not be favorable.

AGaeta_2C
Posts: 112
Joined: Wed Sep 18, 2019 12:21 am

Re: Recharging Batteries

Postby AGaeta_2C » Sun Mar 01, 2020 10:25 pm

The favorable case would be if the battery was doing work and dying. Therefore the unfavorable action would be recharging it.


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