Panasonic will mass-produce battery cells for US data centers at its Kansas plant by March 2029, and they’re deliberately avoiding the cheaper lithium iron phosphate chemistry everyone else uses.
CEO Yuki Kusumi told a Tokyo roundtable that LFP batteries are “less suited” to Panasonic’s target: distributed systems that smooth peak power demand at individual servers. LFP works fine for large centralized backup, but Panasonic is betting nickel-rich chemistry — the same high-energy-density pack used in Tesla EVs — can handle rapid charge-discharge cycles at rack-level granularity.
Why Nickel Wins for AI’s Spiky Power Loads
Data center power draw isn’t flat. GPU clusters delivering AI inference can spike demand within milliseconds. LFP’s lower energy density and voltage sag under high discharge rates make it a poor fit for per-server conditioning, even though it’s cheaper and dominates grid-scale storage. Panasonic’s nickel-cobalt-aluminum (NCA) cells hold more energy per kilogram and maintain voltage under load — exactly what you need when a rack of H100s suddenly pulls 10 kW.
Kusumi acknowledged the EV market is weak. Automakers are scrambling to repurpose battery factories for energy storage; Panasonic is doing the same, but with a specific architectural bet. The Kansas plant, currently supplying Tesla, will shift part of its output to data center storage systems.
Localization as a Supply-Chain Imperative
“Since most of our customers are in the US for these energy storage systems, we think it makes sense to complete the supply chain as much as possible within the US,” Kusumi said. That means sourcing raw materials, electrode production, and cell assembly domestically — no small feat given the US lacks a mature cathode precursor industry for nickel-rich chemistries. Panasonic isn’t worried about China export controls (20 Japanese firms were added to a dual-use list this week, but Panasonic wasn’t targeted), but the statement signals a deliberate decoupling for this specific product line.
Mass production won’t start for three years. By then, AI data center power demand is projected to exceed 5% of US electricity consumption. Panasonic’s bet is that the market will pay a premium for high-rate, distributed storage over centralized LFP megapacks. If they’re wrong, they’ve got a Kansas plant that can still feed Tesla’s EV lines — a hedge that makes this a low-risk conviction play rather than a moonshot.
Source: Panasonic to localise its US data centre battery production, CEO says
Domain: economictimes.indiatimes.com
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