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This still has the potential to be quite green, despite CO2 in the manufacturing process. When combined with a Li-ion pack for regular journeys, the average dr

This still has the potential to be quite green, despite CO2 in the manufacturing process. When combined with a Li-ion pack for regular journeys, the average driver isn't going to be using the Al-O2 battery very much. Our current solutions to range issues are packaging a shit-ton of li-ion capacity (model s), or including a separate engine (volt). These both add enormous weight and manufacturing costs to the car. The much higher energy density of this solution means that you carry a lot less weight with you during most of your journeys. Let's say that these guys' estimates hold up, and the average driver does < 2000 miles in long distance journeys out of a total of, say, 12000 miles per year. How much difference in total energy consumption will shaving 200kg (lose 300kg for 2/3rds of the tesla's battery pack, gain 100kg for the new al-o2 pack) off the weight of the car make? edit: I realise this is rather hand-wavy, considering the 1800 mile range for this system is based off a smaller car than the model s, but I still think it's worth considering the difference in overall energy consumption that the higher energy density of this pack provides.

lloeki 12y ago
> a smaller car For reference, this is a Citroën C1 or Peugeot 107 (same car as Toyota Aygo, albeit with a slightly different design) [0]: http://en.wikipedia.org/wiki/Citroën_C1 http://en.wikipedia.org/wiki/Citroën_C1
stonemetal 12y ago
> 1800 mile range for this system It is 1800KM, which is closer to 1000 than 2000 miles. At 12000 miles a year that is about a battery a month rather than a battery every other month.
- AlisdairO 12y ago
  They're claiming that it has a max range of 1860 miles for a 100kg battery system: > The Phinergy aluminum-air battery at 100 kilograms (220 pounds) weight contained enough on board energy to allow the vehicle to travel up to 3,000 kilometers (over 1,860 miles) The article does seem slightly unclear on that point, though. Again, if you have normal driving patterns this Al-O2 system is a backup battery. You'd be using a smaller li-ion battery for the day-to-day drives. That means a normal user wouldn't need a new Al-O2 battery every month, because they'd only rarely be using it.

lloeki 12y ago

> a smaller car For reference, this is a Citroën C1 or Peugeot 107 (same car as Toyota Aygo, albeit with a slightly different design) [0]: http://en.wikipedia.org/wiki/Citroën_C1 http://en.wikipedia.org/wiki/Citroën_C1

stonemetal 12y ago

> 1800 mile range for this system It is 1800KM, which is closer to 1000 than 2000 miles. At 12000 miles a year that is about a battery a month rather than a battery every other month.

AlisdairO 12y ago
They're claiming that it has a max range of 1860 miles for a 100kg battery system: > The Phinergy aluminum-air battery at 100 kilograms (220 pounds) weight contained enough on board energy to allow the vehicle to travel up to 3,000 kilometers (over 1,860 miles) The article does seem slightly unclear on that point, though. Again, if you have normal driving patterns this Al-O2 system is a backup battery. You'd be using a smaller li-ion battery for the day-to-day drives. That means a normal user wouldn't need a new Al-O2 battery every month, because they'd only rarely be using it.