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 Geely’s new battery boasts 50-year service life, 3,500 charge cycles

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Modasatan
post Jul 4 2024, 10:37 AM

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i am confused, 3500 cycles, if charges once per day, then isnt it less than 10 years?

TS30624770
post Jul 4 2024, 10:41 AM

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QUOTE(Modasatan @ Jul 4 2024, 11:37 AM)
i am confused, 3500 cycles, if charges once per day, then isnt it less than 10 years?
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1 cycle is considered as 0 to 100.

If you do charging everyday, it’s never 0 to 100.

If you really need to charge everyday from 0 to 100, can you really say it’s not lasting enough if it’s 10 years?

This post has been edited by 30624770: Jul 4 2024, 10:41 AM
Modasatan
post Jul 4 2024, 10:44 AM

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QUOTE(30624770 @ Jul 4 2024, 10:41 AM)
1 cycle is considered as 0 to 100.

If you do charging everyday, it’s never 0 to 100.

If you really need to charge everyday from 0 to 100, can you really say it’s not lasting enough if it’s 10 years?
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thks for explaination, but why battery charges between 40~80% not degrading the battery? but charging 0% to 100% degrades it more?
Tariq_H
post Jul 4 2024, 10:53 AM

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QUOTE(KevProp @ Jul 4 2024, 09:17 AM)
Agreed.

IMHO, hybrid market will boom first then only EV once they have solve the charging duration & infrastructure

Sometimes I also feel lazy to refill my ICE car LOL so i aint goin to wait 20min to charge the EV
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Charge overnight at home is not an option?
TS30624770
post Jul 4 2024, 10:53 AM

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QUOTE(Modasatan @ Jul 4 2024, 11:44 AM)
thks for explaination, but why battery charges between 40~80% not degrading the battery? but charging 0% to 100% degrades it more?
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This is my understanding. So, you might need to confirm with EV salespeople.

40-80% does not mean no degrading to the battery. It just degrades less.

It says 3500 time. So, only when your recharging is total up to 100%, it is considered as reduced to 3499.

Of course, it's all estimate. Real life usage will of course be different.
TS30624770
post Jul 4 2024, 10:54 AM

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QUOTE(Tariq_H @ Jul 4 2024, 11:53 AM)
Charge overnight at home is not an option?
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If you stay in condo and there's no EV charging port, it is not an option
Tariq_H
post Jul 4 2024, 10:56 AM

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QUOTE(Modasatan @ Jul 4 2024, 10:37 AM)
i am confused, 3500 cycles, if charges once per day, then isnt it less than 10 years?
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One time charge equal to 500km, 500X3500= 1.7million km. Translate to 50 years of usage.
max_cavalera
post Jul 4 2024, 10:56 AM

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QUOTE(Modasatan @ Jul 4 2024, 11:37 AM)
i am confused, 3500 cycles, if charges once per day, then isnt it less than 10 years?
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1 day you drive 350-450km full battery capacity cycle?
kembayang
post Jul 4 2024, 11:00 AM

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QUOTE(axelrade1 @ Jul 4 2024, 10:28 AM)
are you sure. the different in weight is in microgram or maybe less. Weight of grain of salt is higher than full charge battery against depleted battery.
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I thought there is a groundbreaking technology at this era. Sounds disappointing.
Modasatan
post Jul 4 2024, 11:00 AM

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QUOTE(max_cavalera @ Jul 4 2024, 10:56 AM)
1 day you drive 350-450km full battery capacity cycle?
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lets say i am a grab driver, or my workplace is really far, or i meeting many clients in a day... and the 500km capacity is only fetched 80% in real world usage right?
khusyairi
post Jul 4 2024, 11:03 AM

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QUOTE(Modasatan @ Jul 4 2024, 11:00 AM)
lets say i am a grab driver, or my workplace is really far, or i meeting many clients in a day... and the 500km capacity is only fetched 80% in real world usage right?
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Biasa la Tesla/ BYD brag their EV car can go to 600++km.
Real life around 500km.
trix
post Jul 4 2024, 11:03 AM

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QUOTE(Modasatan @ Jul 4 2024, 11:00 AM)
lets say i am a grab driver, or my workplace is really far, or i meeting many clients in a day... and the 500km capacity is only fetched 80% in real world usage right?
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million km in 50 years or million km in 10 years is still a million km
TS30624770
post Jul 4 2024, 11:05 AM

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QUOTE(khusyairi @ Jul 4 2024, 12:03 PM)
Biasa la Tesla/ BYD brag their EV car can go to 600++km.
Real life around 500km.
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ICE cars also do the same thing lar. Can anyone really achieve the so called fuel consumption they advertise?
Kasawari 2
post Jul 4 2024, 11:08 AM

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QUOTE(30624770 @ Jul 4 2024, 08:54 AM)
It’s just a matter of adoption. If everyone say it’s not matured and wait and see, it will actually slow down the tech development. That’s why EV was going nowhere until Tesla came out. Then China began mass adoption and we see the rapid changes today.
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Rapid self ignition of Chinese EV more like it.
khusyairi
post Jul 4 2024, 11:08 AM

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QUOTE(30624770 @ Jul 4 2024, 11:05 AM)
ICE cars also do the same thing lar. Can anyone really achieve the so called fuel consumption they advertise?
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Ada... Lagi bagus dr ads..

https://www.tiktok.com/@paultancars/video/7...256450715454736

This post has been edited by khusyairi: Jul 4 2024, 11:09 AM
Icehart
post Jul 4 2024, 11:11 AM

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QUOTE(Modasatan @ Jul 4 2024, 10:44 AM)
thks for explaination, but why battery charges between 40~80% not degrading the battery? but charging 0% to 100% degrades it more?
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At a high state of charge, the battery operates at a higher voltage, which can increase stress on the battery's internal components. Keeping a battery at high charge levels for prolonged periods can accelerate unwanted side reactions in the battery, leading to the formation of a solid electrolyte interphase (SEI) layer on the anode. While some SEI formation is normal, excessive growth can impede battery performance and capacity.

Likewise, at a low state of charge, the voltage is lower, which can also stress the battery and lead to degradation of the cell's structure. Allowing a battery to remain at very low charge levels can lead to increased internal resistance and potential for electrolyte decomposition, both of which degrade the battery’s capacity over time.


trix
post Jul 4 2024, 11:35 AM

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QUOTE(khusyairi @ Jul 4 2024, 11:08 AM)
guess what, you can also hypermile with ev
Atrocious
post Jul 4 2024, 11:39 AM

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That's just a battery, it's not whether it can last 50 or 500 years, it's whether YOU HAVE ANOTHER 50 YEARS TO LIVE NOT? Lol...

This post has been edited by Atrocious: Jul 4 2024, 11:40 AM
jasontoh
post Jul 4 2024, 11:41 AM

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So the 3.5K cycles only applicable if we are doing 20-80% recharge? Another question is the battery degrade per the cycles, so assuming the after 10% cycle, our range will drop 10%? This is at least applicable to phone battery.
KevProp
post Jul 4 2024, 11:45 AM

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QUOTE(Tariq_H @ Jul 4 2024, 10:53 AM)
Charge overnight at home is not an option?
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i need a car that travel outstation frequently for family holiday without additional hassle

charging a night at home is barely enough for that usage

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