Leroy N. Soetoro
2023-07-22 18:54:28 UTC
https://jalopnik.com/its-too-hot-for-evs-to-work-right-1850663950
The heat wave affecting much of the U.S. may be causing electric vehicles
to lose nearly a third of their range.
We already knew electric vehicles dont do so well when it gets really
cold outside. Well, apparently they dont really like extreme heat either.
According to Automotive News, the recent heat wave across much of the
Southern and Western U.S. has brought their range issue to the forefront.
A Seattle-based EV battery and range analytics company called Recurrent
has reportedly tested thousands of vehicles in various weather conditions.
It found that many vehicles experienced significant declines in their
range as temperatures rose. Some apparently suffered a 31 percent drop
when temps got about 100 degrees Fahrenheit. That is less than ideal. At
cooler temperatures, the outlet reports that the range loss wasnt as
high. There was an average of 5 percent reduction at 90 degrees and 2.8
percent at 80, so its definitely not linear.
Auto News says that in order to calculate these average temperatures,
Recurrent used a blend of data from the 17,000 vehicles the company keeps
track of. This data includes 65 EVs and plug-in hybrid models that include
mainstays like Teslas entire lineup, the Chevy Bolt EV, Hyundai Konda,
Nissan Leaf, Ford F-150 Lightning and Mustang Mach-E.
Unfortunately, we dont know which models did the worst in terms of range
loss. However, Recurrent did say that all four of Teslas vehicles had the
smallest range degradation, but they also had the widest gap between their
real-world range and the EPAs estimates. Part of the reason for their
resistance to range loss may be because of their heat pumps, Recurrents
CEO Scott Case told AutoNews. Theyre apparently much more efficient at
cooling than standard automotive air conditioners.
The outlet also spoke with Greg Less, the technical director of the
University of Michigan Battery Lab. He explained that range decline from
heat has its roots in battery chemistry.
Once youre above [104 degrees Fahrenheit] you start to have a breakdown
of the passive emission layer on the anode, and that breakdown will then
cause consumption of the liquid electrolyte, which will shorten the
lifetime of your battery, Less told the outlet.
Luckily for EV owners, he doesnt think the excessive heat will damage EV
batteries long term. Thats because they arent always driven in 100+
degree weather, and EVs have a fairly robust system to cool batteries.
From what Less says, it sounds like high temperatures arent the direct
cause of range degradation. Its got more to do with the fact they use
more electricity to run stuff in that sort of weather.
Youre running the fan harder, youre running the refrigerant faster. All
of these things take more electricity, Less said to Auto News. So thats
going to reduce the range.
--
We live in a time where intelligent people are being silenced so that
stupid people won't be offended.
Durham Report: The FBI has an integrity problem. It has none.
No collusion - Special Counsel Robert Swan Mueller III, March 2019.
Officially made Nancy Pelosi a two-time impeachment loser.
Thank you for cleaning up the disaster of the 2008-2017 Obama / Biden
fiasco, President Trump.
Under Barack Obama's leadership, the United States of America became the
The World According To Garp. Obama sold out heterosexuals for Hollywood
queer liberal democrat donors.
President Trump boosted the economy, reduced illegal invasions, appointed
dozens of judges and three SCOTUS justices.
The heat wave affecting much of the U.S. may be causing electric vehicles
to lose nearly a third of their range.
We already knew electric vehicles dont do so well when it gets really
cold outside. Well, apparently they dont really like extreme heat either.
According to Automotive News, the recent heat wave across much of the
Southern and Western U.S. has brought their range issue to the forefront.
A Seattle-based EV battery and range analytics company called Recurrent
has reportedly tested thousands of vehicles in various weather conditions.
It found that many vehicles experienced significant declines in their
range as temperatures rose. Some apparently suffered a 31 percent drop
when temps got about 100 degrees Fahrenheit. That is less than ideal. At
cooler temperatures, the outlet reports that the range loss wasnt as
high. There was an average of 5 percent reduction at 90 degrees and 2.8
percent at 80, so its definitely not linear.
Auto News says that in order to calculate these average temperatures,
Recurrent used a blend of data from the 17,000 vehicles the company keeps
track of. This data includes 65 EVs and plug-in hybrid models that include
mainstays like Teslas entire lineup, the Chevy Bolt EV, Hyundai Konda,
Nissan Leaf, Ford F-150 Lightning and Mustang Mach-E.
Unfortunately, we dont know which models did the worst in terms of range
loss. However, Recurrent did say that all four of Teslas vehicles had the
smallest range degradation, but they also had the widest gap between their
real-world range and the EPAs estimates. Part of the reason for their
resistance to range loss may be because of their heat pumps, Recurrents
CEO Scott Case told AutoNews. Theyre apparently much more efficient at
cooling than standard automotive air conditioners.
The outlet also spoke with Greg Less, the technical director of the
University of Michigan Battery Lab. He explained that range decline from
heat has its roots in battery chemistry.
Once youre above [104 degrees Fahrenheit] you start to have a breakdown
of the passive emission layer on the anode, and that breakdown will then
cause consumption of the liquid electrolyte, which will shorten the
lifetime of your battery, Less told the outlet.
Luckily for EV owners, he doesnt think the excessive heat will damage EV
batteries long term. Thats because they arent always driven in 100+
degree weather, and EVs have a fairly robust system to cool batteries.
From what Less says, it sounds like high temperatures arent the direct
cause of range degradation. Its got more to do with the fact they use
more electricity to run stuff in that sort of weather.
Youre running the fan harder, youre running the refrigerant faster. All
of these things take more electricity, Less said to Auto News. So thats
going to reduce the range.
--
We live in a time where intelligent people are being silenced so that
stupid people won't be offended.
Durham Report: The FBI has an integrity problem. It has none.
No collusion - Special Counsel Robert Swan Mueller III, March 2019.
Officially made Nancy Pelosi a two-time impeachment loser.
Thank you for cleaning up the disaster of the 2008-2017 Obama / Biden
fiasco, President Trump.
Under Barack Obama's leadership, the United States of America became the
The World According To Garp. Obama sold out heterosexuals for Hollywood
queer liberal democrat donors.
President Trump boosted the economy, reduced illegal invasions, appointed
dozens of judges and three SCOTUS justices.