Prof. David Howey: The Charging Curve // + Does LFP 'Like' to be Charged to 100%?

David Howey runs the Battery Intelligence Lab at the University of Oxford. In this interview we do a deep dive into battery charging curves, from determining the state of charge, to what the core problem is with charging, to trade-off decisions, and does lfp really like to be charged to 100%?


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Timeline
00:00 Introduction
01:09 How is Charge State Determined?
08:35 Challenges with Iron vs Nickel Batteries
14:29 Sodium Ion Batteries
17:24 The Charging Curve // The Key Variables
26:56 The Charging Curve // Building the Model
30:26 Is there a Discharge Curve?
31:34 The Charging Curve // Trade-Off Decisions
37:48 Does LFP ‘Like’ to be Charged to 100%?
47:01 What Causes Rapid Changes in Charge State?
49:01 Any Improvements Coming in Charging Software?
52:19 What David is Doing and How to Follow Him

Intro Music by Dyalla: Homer Said