Lithium Ion Batteries - ongoing research.

Merve replied on 18/04/2019 08:12

Posted on 18/04/2019 08:12

I read this morning of the ongoing research into Lithium Ion Batteries. Hundreds of laboratories throughout the world are working on the capacity and charging times of this new technology. A breakthrough from any one of these labs can mean untold wealth for the company involved. As a lithium Ion Phosphate Battery user I am always interested in anything that changes the game in this technology.  Here is the first few paragraphs of the report. Exciting where it will lead don’t you think? 

Lithium ion batteries may soon be able to charge much faster thanks to what seems like a simple substitution of one mineral for another in the battery’s cathode.

Researchers from the Rensselaer Polytechnic Institute this month announced they had achieved much faster charging rates in lithium ion batteries by replacing the usual cobalt oxide used together with lithium in the cathode with vanadium disulfide.
 

“It gives you higher energy density, because it’s light. And it gives you faster charging capability, because it’s highly conductive. From those points of view, we were attracted to this material,” said Nikhil Koratkar, the lead author of the study.

The researcher added that improving the electrodes was the way to making lithium ion batteries perform even better.

It seems lithium ion batteries’ dominance will be hard to break with so much work being put into improving these batteries. Koratkar’s team’s work is only the latest example of this work, but there are scores of labs around the world looking for the same ultimate reward: maximizing the performance of the world’s dominant battery technology before a viable alternative really makes it out of another lab.

Recently, the race to reduce charging times for EV batteries specifically heated up as new superchargers came on the scene with few batteries capable of actually using them without getting fried in the process.

 

 

Johnny57 replied on 25/04/2019 08:49

Posted on 25/04/2019 08:49

It appears DD has much knowledge, it would be great if it could shared with us!
Is this what its all about?
EU certification (referred to as EC), the e-Mark: e-Mark is based on EU Directive and is a safety certification mark. Which the European Commission requires that member states apply it on a motor vehicle, parts and systems. The e-Mark logo is a rectangular frame. The number is the EU country or state number that granted the approval. If one state grants approval then it is deemed sufficient for all other member states.
E13 appears to be – Luxembourg (E11 is UK)
The only E13 LiFePO4 batteries I could find available in the UK were by Advanced Mobile Power Systems (YSEBAERT) - Lithium batteries with internal BMS and safety shutdown see http://www.ysebaert.be/assets/pdf/productfiches/energie/batterijen/datasheetamps.pdf

replied on 25/04/2019 09:35

Posted on 24/04/2019 22:15 by Merve

I have a feeling DD that you already know the answer so perhaps you would be kind enough to enlighten us all.to E13

Posted on 25/04/2019 09:35

The user and all related content has been Deleted User

SteveL replied on 25/04/2019 10:01

Posted on 25/04/2019 10:01

Frankly, I have now lost interest and my last word on the subject is to all. If you are considering fitting Li's to your van before you pay out £1k plus per battery be certain that what you choose has been tested and approved for road use.

Reading the above posts the approval seemed to be related to interference with other safety systems within the vehicle. Presumably this would be much more of an issue if fitting one in a MH rather than a caravan?

Merve replied on 25/04/2019 10:20

Posted on 25/04/2019 10:20

My battery has BMS and external electronics keeping an eye on it but again, I say it’s a Lithium Phosphate Battery- not a Lithium Ion. It is totally safe in the situation it has.  Roadpro have been fitting Lion batteries for years and to hundreds of vehicles without one single issue - including mine! I really think DD that you should not spend your time talking about things that only technical experts know about. I have used hundreds of things during my life with only a smattering of the technical brilliance behind them. Why would I bother about such things? Life is too short. I leave it to the experts and extract what I need. I am still not sure what you mean by ‘Road Use’ - a Lithium in the battery tray of a car, a battery in a caravan being towed along a road? You seem to be only too keen to discourage, divert, frighten and generally have a negative angle on everything. You said in another thread that you have been and are ‘way in front of Merve’ and yet only a week previous to that you were saying you were thinking of going down the Lithium route. I asked you to share this amazing power source that you obviously have for the benefit of the forum but funnily enough, we haven’t seen anything. My last word to you is try to be more positive about life and just enjoy it- even if you have to put up with a red passport!!

Metheven replied on 25/04/2019 10:30

Posted on 25/04/2019 10:30

My last word to you is try to be more positive about life and just enjoy it- even if you have to put up with a red passport!!

laughing

JayOutdoors replied on 26/04/2019 16:17

Posted on 23/04/2019 10:24 by TwoNomads

Thanks EasyT.  Don't know why mine didn't work.........

Will

Posted on 26/04/2019 16:17

Thanks - TwoNomads and EasyT ref  the link.  Read some interesting bits there.

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