Driven

DRIVEN MILE­STONE / The Mercedes-Benz S-Class 450 SEL 6.9

- Cars · Consumer Goods · Gadgets · Tech · Mercedes-Benz · Tesla Motors · Nikola Tesla · Tesla Model Y · Elon Musk · Powerbanks · Mercedes-Benz W220

On top of these ma­jor ad­vances in nickel ex­trac­tion, Tesla all but an­nounced the lo­ca­tion of a new North Amer­i­can Cath­ode Pro­duc­tion fac­tory. Over time, though, Tesla plans to in­te­grate both an­ode and cath­ode pro­duc­tion, along with cell for­ma­tion, into each Gi­gafac­tory, where raw ma­te­ri­als would en­ter on one side, and cars would exit on the other.

Bat­tery/Ve­hi­cle in­te­gra­tion – 15% re­duc­tion in $/KWh cost

Tesla re­cently com­mis­sioned the largest cast­ing ma­chine ever made at its Fre­mont fac­tory. This gi­ant high pres­sure die cast alu­minium cast­ing ma­chine cur­rently makes the entire rear end of the Model Y in a sin­gle piece, and soon will do the same with the front end of the car. For this pur­pose Tesla de­vel­oped its own high strength al­loy that does not re­quire coat­ings or heat treat­ment.

The two sin­gle piece cast­ings, front and rear, are de­signed to in­ter­face to what Musk de­scribed as a struc­tural bat­tery, where the bat­tery, for the first time ever, will have a dual use. In this ar­chi­tec­ture the bat­tery will be both an en­ergy de­vice and a struc­tural de­vice. Musk likened it to fuel tanks used in early air­craft, where the fuel tanks were used to carry fuel as cargo (like the cur­rent bat­tery packs in EVs). One of the great­est break­throughs in avi­a­tion came in the form of fuel tanks that were de­signed to be wings, thus be­com­ing a de­vice suit­able for en­ergy stor­age, lift gen­er­a­tion and struc­tural sup­port. Tesla’s new struc­tural bat­tery es­sen­tially be­comes a struc­tural part of the sub-frame assem­bly. Us­ing a flame re­tar­dant ad­he­sive be­tween the bat­tery cells, the cells are glued to the up­per and lower sheets,

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