Dan Steingartinthe unfortunate tetrahedronOn Running Things From Ambient HeatProfessor Goodenough recently provided an update to his “Braga” battery in this this brief interview with Bloomberg New Energy Finance…Nov 3, 20172Nov 3, 20172
Dan Steingartinthe unfortunate tetrahedronOn Leaving Batteries Plugged In: SafetySo for lifetime, I’ve made my point. Everything in that piece assumes that the BMS and battery are well designed and well matched.Sep 2, 20171Sep 2, 20171
Dan Steingartinthe unfortunate tetrahedronOn Leaving Batteries Plugged In: LifetimeAn astute reader asked me to clarify this for safety, which you can find here. This piece focuses on lifetime. Remember: a badly designed…Aug 31, 2017Aug 31, 2017
Dan Steingartinthe unfortunate tetrahedronOn InventoryIn the beginning of the recorded history of batteries, there was no formal distinction between rechargeable, or secondary, cells and…May 10, 2017May 10, 2017
Dan Steingartinthe unfortunate tetrahedronMechanisms MatterA post meant for analysis with friends got some attention, and I’ve got some feedback about the analysis from the non-battery community…Mar 22, 2017Mar 22, 2017
Dan Steingartinthe unfortunate tetrahedronRedox without RedoxRecently Braga et. al. published Alternative Strategy for a Safe Rechargeable Battery in Energy and Environmental Science. This is a subtle…Mar 4, 201715Mar 4, 201715
Dan Steingartinthe unfortunate tetrahedronSafer vs. NeverThis is a letter I sent to the New York Times regarding the story published 2016–12–11, Designing a Safer Battery for Smartphones (That…Dec 14, 2016Dec 14, 2016
Dan Steingartinthe unfortunate tetrahedronThe Palmer Tech Powercell: Felicity Smoak Solved BatteriesFelicity Smoak, my favorite primetime hacker/superhero/tech company CEO and her sidekick Curtis Holt put me out of business last night, as…Feb 4, 2016Feb 4, 2016
Dan Steingartinthe unfortunate tetrahedronThe 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…May 17, 2015May 17, 2015
Dan Steingartinthe unfortunate tetrahedronThe Unfortunate TetrahedronAll batteries are a compromise between energy, power, cost and lifetime. This brief primer explains the compromise.May 12, 20153May 12, 20153
