Solid-State Batteries

ashlandrail

Fisker solid-sate battery

This blog started out by providing technical analysis of the proposed Ashland third rail. The intent was to show that trying to squeeze a third rail through town — whether at grade or in a trench — is not feasible from an engineering point of view.

But what has happened in the two years that we have been blogging is that it is becoming increasingly obvious (a) that the transportation business is in turmoil as new technology advances very quickly, and (b) authorities such as DRPT and the CTB have not considered how these changes could apply to their proposed high-speed rail project.

As an example of how fast things are changing, just a few days ago a small company called Fisker announced that it has filed for patents for solid-state batteries. Here is what they claim.

  • They have an energy density 2.5 times that found in batteries used in…

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