From: RussellMc <apptechnz@gmail.com>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
CC: "ken@elecsyn.com" <ken@elecsyn.com>, "Reid,	John (Oji Fibre Solutions)"
	<john.reid@ojifs.com>, Peter Clark <clarkp381@gmail.com>, Rod Macdonald
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	"hanimamiruthm@gmail.com" <hanimamiruthm@gmail.com>
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Date: Sat, 4 Apr 2020 18:35:28 -0700
Subject: Re: [EE]:: Interesting LiIon battery - 25,000 cycle life, -30C
	operation, 20C charge and discharge, 5 x LiIon power density. .
Thread-Topic: [EE]:: Interesting LiIon battery - 25,000 cycle life, -30C
	operation, 20C charge and discharge, 5 x LiIon power density. .
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These are LTO (Lithium Titanate) cells, which I missed until it was pointed
out to me.
Several superb characteristics.


On Sat, 4 Apr 2020 at 19:55, RussellMc <apptechnz@gmail.com> wrote:

> A liIon battery with 25,000 cycle life, -30C operation, 20C charge and
> discharge, and 5x usual LiIon power density sounds highly attractive.
>
> Add low energy density, tiny capacities, VERY large cost/mAh, .... and
> it's not so attractive.
>
> But they may still have a place in specialist equipment.
> The cycle life implies an ~=3D 75 year lifetime at 1 cycle/day.  Whether
> there are calendar life issues is unknown.
>
> This is a Stack Exchange Q&A with an answer by me. I had not met these
> cells before I saw this question  - my answer is based on LiIon experienc=
e
> and the available data.
>
>                  https://electronics.stackexchange.com/q/490846/3288
>
>
>
>          Russell
>
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