OT: Do electric cars let you monitor INDIVIDUAL battery temperature?...

[John Doe]

Seems to me that is an important question, no matter what alleged device
protection there is.

I would want to know what the highest INDIVIDUAL battery temperature is. I
would want an alarm when any battery reaches X degrees.

Doesn\'t matter how many batteries there are. The more batteries, the more
important for the driver to know what\'s going on.

I suppose they do not keep track of individual battery temperature, but maybe
they should. I would want that. Too many batteries to keep track of? Then too
risky.

 

[John Doe]

Off topic troll...

--
John Doe <always.look@message.header> wrote:

Path: not-for-mail
From: John Doe <always.look@message.header
Newsgroups: sci.electronics.design
Subject: OT: Do electric cars let you monitor INDIVIDUAL battery temperature?
Date: Mon, 20 Jun 2022 03:09:31 -0000 (UTC)
Organization: A noiseless patient Spider
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X-Received-Bytes: 1353

Seems to me that is an important question, no matter what alleged device
protection there is.

I would want to know what the highest INDIVIDUAL battery temperature is. I
would want an alarm when any battery reaches X degrees.

Doesn\'t matter how many batteries there are. The more batteries, the more
important for the driver to know what\'s going on.

I suppose they do not keep track of individual battery temperature, but maybe
they should. I would want that. Too many batteries to keep track of? Then too
risky.

 

[Edward Hernandez]

Troll Doe stated the following in message-id
<svsh05$lbh$5@dont-email.me>
(http://al.howardknight.net/?ID=164904625100) posted Fri, 4 Mar 2022
08:01:09 -0000 (UTC):

Compared to other regulars, Bozo contributes practically nothing
except insults to this group.

Yet, since Wed, 5 Jan 2022 04:10:38 -0000 (UTC) Troll Doe\'s post ratio
to USENET (**) has been 62.0% of its posts contributing \"nothing except
insults\" to USENET.

** Since Wed, 5 Jan 2022 04:10:38 -0000 (UTC) Troll Doe has posted at
least 1989 articles to USENET. Of which 173 have been pure insults and
1060 have been Troll Doe \"troll format\" postings.

The John Dope troll stated the following in message-id
<sdhn7c$pkp$4@dont-email.me>:

> The troll doesn\'t even know how to format a USENET post...

And the John Dope troll stated the following in message-id
<sg3kr7$qt5$1@dont-email.me>:

The reason Bozo cannot figure out how to get Google to keep from
breaking its lines in inappropriate places is because Bozo is
CLUELESS...

And yet, the clueless John Dope troll has itself posted yet another
incorrectly formatted USENET posting on Mon, 20 Jun 2022 03:16:50 GMT in
message-id <CERrK.357724$%OV1.281696@usenetxs.com>.

UMVFlEZUpR8r

 

[corvid]

On 6/19/22 20:16, John Doe wrote:
> Off topic troll...

The troll means cells, but doesn\'t know it. There needs to be a pie
chart, with an appropriately colored slice of pie for each cell.

 

[whit3rd]

On Sunday, June 19, 2022 at 8:09:38 PM UTC-7, John Doe wrote:

Seems to me that is an important question, no matter what alleged device
protection there is.

It\'s important, all right, so a battery diagnostic could show the effects.
Individual cell temperatures, though, is hundreds of numbers, mainly
about the same because the cells are thermally regulated (heated/cooled)
in operation.

When the vehicle is stationary, you\'d just see temperature settling to ambient,
and when it\'s moving, you have more important info (like children running into
the road) than a thermometer reading on cell #225.

 

[John Doe]

Some use 18650 batteries, or maybe 20/21. Apparently some beginning to use
bigger batteries.

Yes, you can call the whole thing a \"battery\", or a \"cluster of
cells/batteries\" but in fact it\'s made up of a bunch of INDIVIDUAL
batteries. Each battery is in its own individual package, therefore calling
those individual batteries \"batteries\" is sensible.

But seriously. This thing must be perpetually stoned/drunk...


corvid <bl@ckb.ird> wrote:

On 6/19/22 20:16, John Doe wrote:
Off topic troll...

The troll means cells, but doesn\'t know it. There needs to be a pie
chart, with an appropriately colored slice of pie for each cell.

 

[John Doe]

whit3rd <whit3rd@gmail.com> wrote:

John Doe wrote:

Seems to me that is an important question, no matter what alleged
device protection there is.

It\'s important, all right, so a battery diagnostic could show the
effects. Individual cell temperatures, though, is hundreds of numbers,
mainly about the same because the cells are thermally regulated
(heated/cooled) in operation.

When the vehicle is stationary, you\'d just see temperature settling to
ambient, and when it\'s moving, you have more important info (like
children running into the road) than a thermometer reading on cell #225.

Seems everybody else missed Flyguy\'s post...

https://youtu.be/5r-yN8SugWM

\"An Electric Bus Caught Fire After Battery Explosion in Paris\"

What was that molten rain was, pouring down on both sides of the bus? Gotta
be the best electric vehicle explosion video to date.

 

[John Doe]

It\'s not a troll, and it\'s properly labeled \"OT\".

We have a convention here on USENET. Most agree that off-topic posts are okay
if they are properly labeled \"OT\". In any case, calling an \"OT\" post \"off-
topic\" is REDUNDANT.



John Doe <always.look@message.header> wrote:

Off topic troll...

 

[server]

John Doe <always.look@message.header> wrote in
news:t8oodb$jl3$1@dont-email.me:

Seems to me that is an important question, no matter what alleged
device protection there is.

I would want to know what the highest INDIVIDUAL battery
temperature is. I would want an alarm when any battery reaches X
degrees.

Doesn\'t matter how many batteries there are. The more batteries,
the more important for the driver to know what\'s going on.

I suppose they do not keep track of individual battery
temperature, but maybe they should. I would want that. Too many
batteries to keep track of? Then too risky.

They are called cells. A group of cells is called a battery.

It was always that way. Even a nine volt battery is a group of
small cells. Individual cells like C cell or D cell or AA or AAA
cell got called \"battery\" by idiots in the \'60s and beyond until
Webster finally \"adopted\" battery as meaning any DC power source.
Another place where America\'s folks got the dumbed down version and
now they are all that way.

But in this case... These are individual cells arrayed together to
form a battery. And individual cells can be and likey are
temperature monitored but likely would not \"let you monitor\" it. It
is internal. Part of the charge/discharge \"watchdog\" circuitry.

 

[server]

John Dope <always.look@message.header> wrote in news:t8p0hs$q7d$2@dont-
email.me:

Yes, you can call the whole thing a \"battery\", or a \"cluster of
cells/batteries\" but in fact it\'s made up of a bunch of INDIVIDUAL
batteries.

Individual CELLS. There is no such thing as an individual battery.
The two terms are mutually exclusive.

Bwuhahahahahhahahha!

 

[a a]

On Monday, 20 June 2022 at 11:59:23 UTC+2, DecadentLinux...@decadence.org wrote:

John Dope <alway...@message.header> wrote in news:t8p0hs$q7d$2@dont-
email.me:
Yes, you can call the whole thing a \"battery\", or a \"cluster of
cells/batteries\" but in fact it\'s made up of a bunch of INDIVIDUAL
batteries.
Individual CELLS. There is no such thing as an individual battery.
The two terms are mutually exclusive.

Bwuhahahahahhahahha!

John Doe’s profile photo
John Doe
unread,
05:16 (7 hours ago)
to
Off topic troll...

--
John Doe <alway...@message.header> wrote:

Path: not-for-mail
From: John Doe <alway...@message.header
Newsgroups: sci.electronics.design
Subject: OT: Do electric cars let you monitor INDIVIDUAL battery temperature?
Date: Mon, 20 Jun 2022 03:09:31 -0000 (UTC)
Organization: A noiseless patient Spider
Lines: 12
Message-ID: <t8oodb$jl3$1...@dont-email.me
Injection-Date: Mon, 20 Jun 2022 03:09:31 -0000 (UTC)
Injection-Info: reader02.eternal-september.org; posting-host=\"1fd94f1ab3319182823e9a7cc17b0810\"; logging-data=\"20131\"; mail-complaints-to=\"ab....@eternal-september.org\"; posting-account=\"U2FsdGVkX1/kW6t4HSU9uYD1yxWt3KMwZFSvwBfvTWg=\"
User-Agent: Xnews/2006.08.05
Cancel-Lock: sha1:3dRubR1cmnjuh8xhiSBpq8pxOno> X-Received-Bytes: 1353

 

[a a]

On Monday, 20 June 2022 at 11:59:23 UTC+2, DecadentLinux...@decadence.org wrote:

John Dope <alway...@message.header> wrote in news:t8p0hs$q7d$2@dont-
email.me:
Yes, you can call the whole thing a \"battery\", or a \"cluster of
cells/batteries\" but in fact it\'s made up of a bunch of INDIVIDUAL
batteries.
Individual CELLS. There is no such thing as an individual battery.
The two terms are mutually exclusive.

Bwuhahahahahhahahha!

Edward Hernandez’s profile photo
Edward Hernandez
05:19 (7 hours ago)
to
Troll Doe stated the following in message-id
<svsh05$lbh$5...@dont-email.me>
(http://al.howardknight.net/?ID=164904625100) posted Fri, 4 Mar 2022
08:01:09 -0000 (UTC):

Compared to other regulars, Bozo contributes practically nothing
except insults to this group.

Yet, since Wed, 5 Jan 2022 04:10:38 -0000 (UTC) Troll Doe\'s post ratio
to USENET (**) has been 62.0% of its posts contributing \"nothing except
insults\" to USENET.

** Since Wed, 5 Jan 2022 04:10:38 -0000 (UTC) Troll Doe has posted at
least 1989 articles to USENET. Of which 173 have been pure insults and
1060 have been Troll Doe \"troll format\" postings.

The John Dope troll stated the following in message-id
<sdhn7c$pkp$4...@dont-email.me>:

> The troll doesn\'t even know how to format a USENET post...

And the John Dope troll stated the following in message-id
<sg3kr7$qt5$1...@dont-email.me>:

The reason Bozo cannot figure out how to get Google to keep from
breaking its lines in inappropriate places is because Bozo is
CLUELESS...

And yet, the clueless John Dope troll has itself posted yet another
incorrectly formatted USENET posting on Mon, 20 Jun 2022 03:16:50 GMT in
message-id <CERrK.357724$%OV1.2...@usenetxs.com>.

UMVFlEvR8r

 

[bitrex]

On 6/20/2022 5:52 AM, DecadentLinuxUserNumeroUno@decadence.org wrote:

John Doe <always.look@message.header> wrote in
news:t8oodb$jl3$1@dont-email.me:

Seems to me that is an important question, no matter what alleged
device protection there is.

I would want to know what the highest INDIVIDUAL battery
temperature is. I would want an alarm when any battery reaches X
degrees.

Doesn\'t matter how many batteries there are. The more batteries,
the more important for the driver to know what\'s going on.

I suppose they do not keep track of individual battery
temperature, but maybe they should. I would want that. Too many
batteries to keep track of? Then too risky.


They are called cells. A group of cells is called a battery.

It was always that way. Even a nine volt battery is a group of
small cells. Individual cells like C cell or D cell or AA or AAA
cell got called \"battery\" by idiots in the \'60s and beyond until
Webster finally \"adopted\" battery as meaning any DC power source.
Another place where America\'s folks got the dumbed down version and
now they are all that way.

But in this case... These are individual cells arrayed together to
form a battery. And individual cells can be and likey are
temperature monitored but likely would not \"let you monitor\" it. It
is internal. Part of the charge/discharge \"watchdog\" circuitry.

On the Chevy Volt you can monitor the voltage of every individual cell
with any OB2 app, don\'t know about individual cell temperature or
whether that\'s even relevant information for the ECU, maybe not.

Individual cell temperature is surely monitored internal to the battery
by the battery controller and if something\'s seriously amiss it\'ll flag
the ECU and report some cryptic battery-related fault code to the user

 

[Anthony William Sloman]

On Monday, June 20, 2022 at 5:09:38 AM UTC+2, John Doe wrote:

Seems to me that is an important question, no matter what alleged device
protection there is.

I would want to know what the highest INDIVIDUAL battery temperature is. I
would want an alarm when any battery reaches X degrees.

Doesn\'t matter how many batteries there are. The more batteries, the more
important for the driver to know what\'s going on.

A battery is a battery of cells. The cell is a component with two different electrodes at each end, and a battery of cells is built up out of an arbitrary number of individual cells connected in parallel and in series.

It\'s very helpful to know the temperature of the cell in the middle of the battery - it\'s mostly going to be the hottest cell in the assembly.
If there is variation between individual cells you may get hotspots elsewhere, and four more sensor arranged as tetrahedron around the centre can let you pick this up.

I suppose they do not keep track of individual battery temperature, but maybe
they should. I would want that. Too many batteries to keep track of? Then too
risky.

The temperature if an individual cell is determined both by the heat being generated in that cell and the heat being generated in adjacent cells.
The temperature of the central cell is determined by the thermal gradient from the central cell out to cells on the periphery of the battery, who have to dissipate the heat they generate, and the heat generated by all the cells in the layers below them.

Monitoring the temperature of individual cells would probably be an overkill, but monitoring the half-way points on the thermal gradients could well make sense.

Flyguy has already posted idiotic misconceptions about this sort of stuff. I\'ve suggested that you aren\'t quite a stupid as he is, but it\'s arguing precedence between a flea and louse.

--
Bill Sloman, Sydney

 

[server]

On Mon, 20 Jun 2022 09:12:59 -0400, bitrex <user@example.net> wrote:

On 6/20/2022 5:52 AM, DecadentLinuxUserNumeroUno@decadence.org wrote:
John Doe <always.look@message.header> wrote in
news:t8oodb$jl3$1@dont-email.me:

Seems to me that is an important question, no matter what alleged
device protection there is.

I would want to know what the highest INDIVIDUAL battery
temperature is. I would want an alarm when any battery reaches X
degrees.

Doesn\'t matter how many batteries there are. The more batteries,
the more important for the driver to know what\'s going on.

I suppose they do not keep track of individual battery
temperature, but maybe they should. I would want that. Too many
batteries to keep track of? Then too risky.


They are called cells. A group of cells is called a battery.

It was always that way. Even a nine volt battery is a group of
small cells. Individual cells like C cell or D cell or AA or AAA
cell got called \"battery\" by idiots in the \'60s and beyond until
Webster finally \"adopted\" battery as meaning any DC power source.
Another place where America\'s folks got the dumbed down version and
now they are all that way.

But in this case... These are individual cells arrayed together to
form a battery. And individual cells can be and likey are
temperature monitored but likely would not \"let you monitor\" it. It
is internal. Part of the charge/discharge \"watchdog\" circuitry.

On the Chevy Volt you can monitor the voltage of every individual cell
with any OB2 app, don\'t know about individual cell temperature or
whether that\'s even relevant information for the ECU, maybe not.

Individual cell temperature is surely monitored internal to the battery
by the battery controller and if something\'s seriously amiss it\'ll flag
the ECU and report some cryptic battery-related fault code to the user

A Tesla has 3k to over 6k cells, depending on model. I doubt they have
thousands of temp sensors.



--

Anybody can count to one.

- Robert Widlar

 

[Ed Lee]

On Sunday, June 19, 2022 at 8:09:38 PM UTC-7, John Doe wrote:

Seems to me that is an important question, no matter what alleged device
protection there is.

I would want to know what the highest INDIVIDUAL battery temperature is. I
would want an alarm when any battery reaches X degrees.

Doesn\'t matter how many batteries there are. The more batteries, the more
important for the driver to know what\'s going on.

I suppose they do not keep track of individual battery temperature, but maybe
they should. I would want that. Too many batteries to keep track of? Then too
risky.

There are four temperature sensors for the Leaf. The highest temperature tends to be at the back seat stack. The danger zone is 120C.

 

[bitrex]

On 6/20/2022 10:39 AM, jlarkin@highlandsniptechnology.com wrote:

On Mon, 20 Jun 2022 09:12:59 -0400, bitrex <user@example.net> wrote:

On 6/20/2022 5:52 AM, DecadentLinuxUserNumeroUno@decadence.org wrote:
John Doe <always.look@message.header> wrote in
news:t8oodb$jl3$1@dont-email.me:

Seems to me that is an important question, no matter what alleged
device protection there is.

I would want to know what the highest INDIVIDUAL battery
temperature is. I would want an alarm when any battery reaches X
degrees.

Doesn\'t matter how many batteries there are. The more batteries,
the more important for the driver to know what\'s going on.

I suppose they do not keep track of individual battery
temperature, but maybe they should. I would want that. Too many
batteries to keep track of? Then too risky.


They are called cells. A group of cells is called a battery.

It was always that way. Even a nine volt battery is a group of
small cells. Individual cells like C cell or D cell or AA or AAA
cell got called \"battery\" by idiots in the \'60s and beyond until
Webster finally \"adopted\" battery as meaning any DC power source.
Another place where America\'s folks got the dumbed down version and
now they are all that way.

But in this case... These are individual cells arrayed together to
form a battery. And individual cells can be and likey are
temperature monitored but likely would not \"let you monitor\" it. It
is internal. Part of the charge/discharge \"watchdog\" circuitry.

On the Chevy Volt you can monitor the voltage of every individual cell
with any OB2 app, don\'t know about individual cell temperature or
whether that\'s even relevant information for the ECU, maybe not.

Individual cell temperature is surely monitored internal to the battery
by the battery controller and if something\'s seriously amiss it\'ll flag
the ECU and report some cryptic battery-related fault code to the user

A Tesla has 3k to over 6k cells, depending on model. I doubt they have
thousands of temp sensors.

The Model S a least looks to use the BQ76PL536:

<https://circuitdigest.com/article/tesla-model-s-battery-system-an-engineers-perspective>

as a macrocell controller, looks like it can likely at least detect
overtemp at the macrocell level and throw a fault as that feature seems
built into the controller:

<https://www.ti.com/product/BQ76PL536>>

I believe there\'s also a number of temperature sensors for the coolant
loop like 32 or 64 or something, coolant loop controller doesn\'t need to
know cell temperature at the 3-6 cell level of granularity to work OK

 

[John Doe]

Ed Lee <edward.ming.lee@gmail.com> wrote:

John Doe wrote:

Seems to me that is an important question, no matter what alleged
device protection there is.

I would want to know what the highest INDIVIDUAL battery temperature
is. I would want an alarm when any battery reaches X degrees.

Doesn\'t matter how many batteries there are. The more batteries, the
more important for the driver to know what\'s going on.

I suppose they do not keep track of individual battery temperature, but
maybe they should. I would want that. Too many batteries to keep track
of? Then too risky.

There are four temperature sensors for the Leaf. The highest
temperature tends to be at the back seat stack. The danger zone is
120C.

The driver controlled car seat warmer must be one of the best inventions
ever, leading to the funnest conversations.

 

[Edward Hernandez]

Troll Doe stated the following in message-id
<svsh05$lbh$5@dont-email.me>
(http://al.howardknight.net/?ID=164904625100) posted Fri, 4 Mar 2022
08:01:09 -0000 (UTC):

Compared to other regulars, Bozo contributes practically nothing
except insults to this group.

Yet, since Wed, 5 Jan 2022 04:10:38 -0000 (UTC) Troll Doe\'s post ratio
to USENET (**) has been 62.0% of its posts contributing \"nothing except
insults\" to USENET.

** Since Wed, 5 Jan 2022 04:10:38 -0000 (UTC) Troll Doe has posted at
least 2008 articles to USENET. Of which 173 have been pure insults and
1071 have been Troll Doe \"troll format\" postings.

The John Dope troll stated the following in message-id
<sdhn7c$pkp$4@dont-email.me>:

> The troll doesn\'t even know how to format a USENET post...

And the John Dope troll stated the following in message-id
<sg3kr7$qt5$1@dont-email.me>:

The reason Bozo cannot figure out how to get Google to keep from
breaking its lines in inappropriate places is because Bozo is
CLUELESS...

And yet, the clueless John Dope troll has itself posted yet another
incorrectly formatted USENET posting on Mon, 20 Jun 2022 23:27:17 -0000
(UTC) in message-id <t8qvok$u6p$8@dont-email.me>.

This posting is a public service announcement for any google groups
readers who happen by to point out that John Doe does not even follow
the rules it uses to troll other posters.

tg4qUkyWSp+y

 

[server]

John Dope <always.look@message.header> wrote in
news:t8qvok$u6p$8@dont-email.me:

At least here in America... That\'s common, to call one battery in
a group of batteries a \"battery\".

If you had enough brains to have read my post, I detailed where
idiots primarily in the US starting in the \'60s started incorrectly
calling a single cell a battery.

It got adopted by Webster and both the term \"cell\" and \"battery\" are
now considered correct, worldwide, even for units which are singular.

It is common for idiots like John Dope. Same type of idiot that
refers to a tissue as \"kleenex\".

Poorly raised word challenged AND discipline challenged (that follow
ups stupid shit you pull).