Timeline for LiFePO4 in cold: charging
Current License: CC BY-SA 3.0
11 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 7, 2022 at 2:24 | history | protected | SamGibson♦ | ||
| Jan 7, 2022 at 2:22 | comment | added | Mark Pedzinski | If you're worried about temps include these peltiers in the housing of the batteries! Well worth the cost difference to cold temp batteries, even cooling during hot days! It could be energy efficient to adopt a (6 foot deep) heat pump | |
| Mar 29, 2020 at 21:13 | answer | added | John C | timeline score: 0 | |
| Dec 30, 2019 at 5:59 | answer | added | D.A.S. | timeline score: 1 | |
| Dec 30, 2019 at 5:26 | answer | added | zoonman | timeline score: 1 | |
| Nov 4, 2019 at 8:22 | answer | added | BDavis | timeline score: 0 | |
| Mar 5, 2019 at 11:14 | comment | added | Russell McMahon♦ | Consider insulating battery and using charging input to raise battery temperature. I just did some rough calculations on this and the energy required is more than I'd hoped. eg for a car battery sized unit (say 60 Ah +/- a bit) bringing it up by 20 degrees C with 120 Watts worked out at about an hour. At your 1.5A that's "rather longer :-(. | |
| Jun 11, 2017 at 4:45 | comment | added | user57037 | I can't give you a real answer. But my understanding, based on conversations with a battery expert, is that the chemical reaction rate inside the battery slows down due to cold temperatures. (Arrhenius equation). If you try to charge at a rate faster than the chemistry can support, you will get some other undesirable reaction (I think metallic lithium may electroplate onto the anode) and rapid destruction of the battery can result. But this does imply that very slow charging may be permissible. | |
| Jun 11, 2017 at 0:39 | answer | added | Glenn W9IQ | timeline score: 4 | |
| Jun 10, 2017 at 21:35 | history | edited | Zorglub29 | CC BY-SA 3.0 |
edited title
|
| Jun 10, 2017 at 21:25 | history | asked | Zorglub29 | CC BY-SA 3.0 |
