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On Running Things From Ambient Heat

On Running Things From Ambient Heat

Professor Goodenough recently provided an update to his “Braga” battery in this this brief interview with Bloomberg New Energy Finance…
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Dan Steingart
On Leaving Batteries Plugged In: Safety

On Leaving Batteries Plugged In: Safety

So for lifetime, I’ve made my point. Everything in that piece assumes that the BMS and battery are well designed and well matched.
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Dan Steingart

On Leaving Batteries Plugged In: Lifetime

An astute reader asked me to clarify this for safety, which you can find here. This piece focuses on lifetime. Remember: a badly designed…
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Dan Steingart
On Inventory

On Inventory

In the beginning of the recorded history of batteries, there was no formal distinction between rechargeable, or secondary, cells and…
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Dan Steingart
Mechanisms Matter

Mechanisms Matter

A post meant for analysis with friends got some attention, and I’ve got some feedback about the analysis from the non-battery community…
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Dan Steingart
Redox without Redox

Redox without Redox

Recently Braga et. al. published Alternative Strategy for a Safe Rechargeable Battery in Energy and Environmental Science. This is a subtle…
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Dan Steingart

Safer vs. Never

This is a letter I sent to the New York Times regarding the story published 2016–12–11, Designing a Safer Battery for Smartphones (That…
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Dan Steingart
The Palmer Tech Powercell: Felicity Smoak Solved Batteries

The Palmer Tech Powercell: Felicity Smoak Solved Batteries

Felicity Smoak, my favorite primetime hacker/superhero/tech company CEO and her sidekick Curtis Holt put me out of business last night, as…
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Dan Steingart
The Cathodes of the Powerwall(s)

The Cathodes of the Powerwall(s)

I believe in dogfooding; I am using my musings on the Unfortunate Tetrahedron as a primer for my own students and students-to-be. This was…
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Dan Steingart
The Unfortunate Tetrahedron

The Unfortunate Tetrahedron

All batteries are a compromise between energy, power, cost and lifetime. This brief primer explains the compromise.
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Dan Steingart
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