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A bigger battery is just more modules right? So (theoretically) large batteries charge at the same speed as small ones? You just just need more power than we can deliver though a cable in the time we want to charge them all to 100% at their maximum charging speed. How does "Quantum" solve that?

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From TFA:

It's superabsorption that's responsible for the battery's most surprising property. In classical physics, molecules are little individualists – each acting on its own and absorbing energy at a rate independent of the molecules around it. But with quantum effects, they're a little more collectivist: they "act in unison and synergise", says Quach. "So that the rate at which you can absorb energy increases with the number of molecules there are."

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