鋰電池最好不要充滿? - 手機討論

By Aaliyah
at 2019-01-17T13:42
at 2019-01-17T13:42
Table of Contents
※ 引述《dcoog7880 (給貓)》之銘言:
: 最近聽到一個說法,說鋰電池最好不要過充或過度放電。
: 所以最好不要在20%以下,或充到90%以上,不然會傷害電池。
: 這是真的嗎?
: --
我個人是用accubattery
他們的研究你可以參考看看
撿重點如下:
*Re: Battery University article BU-808*
https://bit.ly/2CuA8ps
簡單來說會影響電池壽命的是充電截止電壓
放電截止電壓則不會(3.5V左右手機就自動關機了, 不會放電到2.75V)
Figure 1: end of charge voltage vs cycle life
http://i.imgur.com/ojEzxwD.png
Figure 2: end of discharge voltage vs cycle life
http://i.imgur.com/0psBJFI.png
所以accubattery的結論是用到0%充到80%是使用時間和電池壽命的良好折衷方式。
We're confident that our suggestion to cycle between 0% and 80% by default is
a good trade off between run time and long term battery health.
*Charging - research and methodology*
https://bit.ly/2bJ0YwP
快充要超過1C對電池壽命才會有顯著影響
1C就是0%充到100%只要1小時
https://i.imgur.com/dqTpMn1.png
再來就是維持恆壓充電狀態(充到100%繼續充電)對電池壽命的影響
https://i.imgur.com/UWc0jbG.png
--
: 最近聽到一個說法,說鋰電池最好不要過充或過度放電。
: 所以最好不要在20%以下,或充到90%以上,不然會傷害電池。
: 這是真的嗎?
: --
我個人是用accubattery
他們的研究你可以參考看看
撿重點如下:
*Re: Battery University article BU-808*
https://bit.ly/2CuA8ps
簡單來說會影響電池壽命的是充電截止電壓
放電截止電壓則不會(3.5V左右手機就自動關機了, 不會放電到2.75V)
Figure 1: end of charge voltage vs cycle life
http://i.imgur.com/ojEzxwD.png

Figure 2: end of discharge voltage vs cycle life
http://i.imgur.com/0psBJFI.png

所以accubattery的結論是用到0%充到80%是使用時間和電池壽命的良好折衷方式。
We're confident that our suggestion to cycle between 0% and 80% by default is
a good trade off between run time and long term battery health.
*Charging - research and methodology*
https://bit.ly/2bJ0YwP
快充要超過1C對電池壽命才會有顯著影響
1C就是0%充到100%只要1小時
https://i.imgur.com/dqTpMn1.png

再來就是維持恆壓充電狀態(充到100%繼續充電)對電池壽命的影響
https://i.imgur.com/UWc0jbG.png

--
Tags:
手機
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