Not directly personal finance related, but the CRT class action posts from a couple years ago were allowed, and $20 is $20.
If you purchased a device with a rechargeable lithium ion battery between 2000–2012, you're likely eligible to file a claim. If you don't have a receipt you can still be eligible for a $20 settlement. Deadline is December 17th.
https://www.batteriessettlement.ca/
Greetings fellow autists.
I’ve been meaning to give back to this community from which I’ve benefitted a lot since its founding, and decided to do a write-up on the modern EV Battery and Grid Storage sectors. I also wanted to do one for Magnis Energy Technology’s projects (MNS) and where it strategically fits in this high growth but very complex sector, so I combined the two DDs into what you have here.
While I do hold MNS stocks, and I WILL address the current Murdoch media/Twitter/HC campaign against MNS, this post will first and foremost be to help understand the global EV Battery sector and related sub-industries/downstream markets.
Then using this as a framework, I’ll share my own DD on MNS, their projects/holdings, and whether it is a good or risky investment choice within the sector & in the current ASX/media climate. Anything I couldn't fit in 40k characters will go into a FAQ comment.
But tl;dr for those just wanting a quick answer, I am holding firm, with a SP target of ~$2.15 by June 2022 depending on MANY factors.
1 - Lithium Ion Batteries 101
Batteries are a way of storing electrical energy that can be collected at any point in time, then discharged for consumption at any other point in time, and due to its relative technological maturity and long lifespan, the overwhelming majority of passenger electric vehicles (PEVs) made in commercial quantities today use Lithium-ion Batteries as their energy solution.
1.1 How does a lithium-ion battery work?
A modern Lithium-ion Battery (or LiB), co-invented in the 1970s by Nobel Laureates Professor M. Stanley Whittingham, John Goodenough, and Akira Yoshino, is made up of 5 key aspects: the Cathode, Anode, Electrolyte, Separator and a Cell form factor. The way these batteries discharges or recharges electrical energy is by transferring electrically charged atoms (the ions) between the cathode material and the anode material through the electrolyte medium. The lithium part of LiBs sits in the anode.
See diagram below for high level illustration.
Key components of a Lithium-ion Battery
1.2 What exactly is inside your LiBs (Battery Cell Chemistry)?
There are a large
... keep reading on reddit ➡
My 21 Bolt has had a check engine light on and off with this message for 3 months. I've taken it to the dealership twice and all they've done is reset the codes and update the software for the recall. The light has come back on within a week each time, but then will turn back off anytime I'm thinking about dropping it off at the dealer. As far as I can tell, this is not a common problem that all Bolts are having. If I push the dealer on it, they just tell me to wait for the battery replacement.
The message is as follows:
> An issue with the lithium-ion battery in your 2021 Chevrolet Bolt EV has been detected. Please service your vehicle within 1 day.
Also, I get this message in the myChevrolet app:
> Lithium-Ion Battery: Issue found with On-Board Charging System. Please schedule a service appointment.
This sounds far more serious than just sit and wait. Timing of the error/CEL happens randomly. Sometimes right after charging, sometimes 3-4 days after charging, then it'll turn off and come back on later between charging...
I called the EV concierge just now and got told to take it back to the dealership, the same one that doesn't seem to care or know what to do to fix it. I'm in Houston, if anyone in the area has had good luck with EV service near here, please let me know.
I think we all know it is very common knowledge that you should not charge a lithium ion battery if it's below the freezing temp of water, and it's often said this will result in "irreversible damage". What I'm curious about is exactly why this is, and the failure mode of a battery charged in these conditions.
For example, if you charge a battery that is at -1°C,, is that "less damaging" than charging it while it is at -40°C?
How about if you charge a battery that is warm, but the ambient temp is very cold. During charging the battery may cool to below freezing since any minimal heat generated during charging may not be able to offset heat loss to the environment.
Does the rate of charge affect it? Like, is there any charge level that would be safe below freezing, even if slow? 0.1C? 0.05C?
How about a battery that is currently cold, e.g. it's been being used while outdoors, say on an ebike, but now you've brought the battery inside. How do you know when it's safe to attach your charger? The battery's casing is plastic so it's hardly a good proxy for the actual cell temps. The battery may even warm unevenly, e.g. the outer parts of the cell might warm up while the middle core is still below freezing.
Finally, assume you do abuse a battery and charge it while frozen. What happens? Does the battery just lose some capacity? Does it become unstable and unsafe to use even in normal conditions? Is charging, say, one or two times accidentally without the pack having sufficiently warmed enough to warrant tossing out the entire pack?
I'm basically just hoping for some more insight into this piece of advice and the technical specifics of it. Thanks!
