Mach-e 99 kwh Battery: How did they do it?

Nak

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The Porsche Taycan is 10% or so bigger--L x W--than the Mach-e and they fit a 93 kwh battery in the floor. Same battery manufacturer as Ford. The Tesla Model 3 is roughly the same size as the e; they fit about a 78 kwh battery in the floor. Tesla is the acknowledged leader in EV battery technology and Elon said that's all they had room for. How did Ford fit a 99 kwh battery in the Mach e?

My guess is the battery doesn't exist yet; they're working on something new. That would explain the lack of any solid performance numbers. Without knowing what the battery can safely put out, they can't know how fast the car will be. Speaking of which, with a 99 kwh battery, why are the performance numbers so low? With that much current available they should be targeting sub 3, not sub 4. Yes I know, kwh is not current. But a larger kwh battery has more cells and is therefore capable of outputting more current.

Ideas?
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benboy12

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The Porsche Taycan is 10% or so bigger--L x W--than the Mach-e and they fit a 93 kwh battery in the floor. Same battery manufacturer as Ford. The Tesla Model 3 is roughly the same size as the e; they fit about a 78 kwh battery in the floor. Tesla is the acknowledged leader in EV battery technology and Elon said that's all they had room for. How did Ford fit a 99 kwh battery in the Mach e?

My guess is the battery doesn't exist yet; they're working on something new. That would explain the lack of any solid performance numbers. Without knowing what the battery can safely put out, they can't know how fast the car will be. Speaking of which, with a 99 kwh battery, why are the performance numbers so low? With that much current available they should be targeting sub 3, not sub 4. Yes I know, kwh is not current. But a larger kwh battery has more cells and is therefore capable of outputting more current.

Ideas?

I am going to apologize in advance for butchering the lingo, but I believe Ford designed their batteries to be made up of multiple modules. The battery around 75 kwh is a flat surface made up of these modules. The 99 kwh battery has additional modules stacked on top that are under the rear bench seat.
 

JamieGeek

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Nope: Ford wouldn't announce it if the battery didn't exist.

The prototypes running around are probably like 99.9% production intent and thus the batteries in them are what will be sold to consumers.
 

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It is possible the "internal stuff" of each battery cell could be upgraded between November 2019 and late June 2020 (pre-production start) as LG makes advances to it battery chemistry.
 

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The 99 kwh battery has additional modules stacked on top that are under the rear bench seat.
And that's how they did it. The floor battery is 75.7 kwhr; the one under back seats is 24 kwhr.
 


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Nak

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Just to add a visual where the extra 24 kWh pack sits (underneath the rear seats)...

Ford Mustang Mach-E Mach-e 99 kwh Battery: How did they do it? 6a00d8341c4fbe53ef0240a4ec0276200b-550wi
Yeah, the 3 has a lump like that too and is still 75 - 80 kwh. On the 3 the AC charger sits there. The fact that Ford has bested both Porsche and tesla with the 99 kwh battery is a pretty big deal; I'm surprised there hasn't been more talk about that. Ford deserves pretty big kudos.
 
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Nak

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I'm sorry this is over your head. Let me help:

Battery make electric motor go round and round. Motor make wheels go round and round. Big battery let wheels go round faster than small battery. Big battery might make Mach e go really really fast. Ford beat both Porsche and Tesla with big battery. Ford engineers deserve big shouts of hooray for beating everyone. Big battery means all sorts of fast Mach e's might come to playground. We all very happy about that.
 

timbop

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You might think you're brilliant and witty with these pathetic, useless, tiresome, and juvenile posts but you are sadly mistaken. Clearly your coworkers have you at the top of their lists of people that need a punch in the throat.

:rolleyes:??
 

theothertom

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In my mind there are two ways they can get 99kWh:
1. More battery volume (stacked batteries), or
2. Different battery chemistry.
My guess it's the first one. I just hope they have the cooling system right...
 

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In my mind there are two ways they can get 99kWh:
1. More battery volume (stacked batteries), or
2. Different battery chemistry.
My guess it's the first one. I just hope they have the cooling system right...
Don't forget this isn't Ford's first rodeo with BEV's. The Focus Electric had a quite extensive cooling system for its battery (and many FFE owner's experienced very little degradation).

The hope is that Ford actually uses some of its lessons learned with the FFE and improves on them with the MME.
 

Billyk24

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Don't forget this isn't Ford's first rodeo with BEV's. The Focus Electric had a quite extensive cooling system for its battery (and many FFE owner's experienced very little degradation).

The hope is that Ford actually uses some of its lessons learned with the FFE and improves on them with the MME.
But wasn't the Focus electric essentially a "Magum" production out of Canada? Ford used a complete electric drive train developed and supplied by Magna International,[27] and a cooling system e advanced lithium-ion battery system is being engineered by Ford in cooperation with supplier Compact Power, Inc., a subsidiary of LG Chem.[26][28]
 

JamieGeek

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But wasn't the Focus electric essentially a "Magum" production out of Canada? Ford used a complete electric drive train developed and supplied by Magna International,[27] and a cooling system e advanced lithium-ion battery system is being engineered by Ford in cooperation with supplier Compact Power, Inc., a subsidiary of LG Chem.[26][28]
Sure but it was still a Ford and in the end Ford still has the blueprints and Ford engineers had to work with all their vendors to make sure everything worked.
 

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Don't forget this isn't Ford's first rodeo with BEV's. The Focus Electric had a quite extensive cooling system for its battery (and many FFE owner's experienced very little degradation).

The hope is that Ford actually uses some of its lessons learned with the FFE and improves on them with the MME.
I agree with your post. This is not Ford's first time experience with battery applications. I own a Fusion Hybrid which I gave it to my daughter to take to school. She has not treated that car with a velvet glove but it is still running at top shape. The battery is still in a good operating condition. I believe the same will be true with the Mach E's battery. I'm looking forward to ride it. I believe that the performance numbers will be better than the ones advertised earlier. We just gonna have to wait.
 

Billyk24

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I had a 2005 Ford Escape Hybrid that I drove 199,xxx miles until Octo 2019 when it flunked state inspection and I traded it in onto a RAV4 Hybrid. The battery was flawless until the last year when it began to show aging and losing a charge if it sat for two/three days or more. But the battery in that and the Fusion hybrid are not lithium ion. The other side of the discussion is the Ford CMax Energi which has a lithium ion battery pack but with many reports of degraded battery capacity due to an air cooled design that can not stand up to heat and excessive loads placed upon it.
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