GM to mass-produce prismatic LMR battery cells with 33% higher energy density than LFP

General Motors said it will become the first automaker to mass-produce prismatic lithium-metal-rich battery cells, offering 33% higher energy density than LFP chemistry at comparable cost.

First covered Sep 29, 2026 · 12:23 PM PT · 2 articles

GM to mass-produce prismatic LMR battery cells with 33% higher energy density than LFP — Image via electrek.co

Coverage

3h CleanTechnica GM Really Wasn’t Kidding About Those New LMR EV Batteries — Regardless of the sharp U-turn in federal energy policy, General Motors is on track to manufacture EV batteries based on an LMR formula that delivers improved…

11h Electrek GM’s new EV battery tech will cut costs without sacrificing performance or range — GM said it will be the world’s first to mass-produce prismatic LMR battery cells. The new battery tech can deliver 33% higher energy density than LFP at a…

More coverage from around the web

cnbc.com GM unveils new 'groundbreaking' EV battery tech, aims to be first ...

gmauthority.com GM’s Ultium Cells Spring Hill Plant Will Manufacture LMR Batteries

insideevs.com General Motors Says New LMR Battery Will Deliver Major Cost Savings

automotive-fleet.com GM and LG Energy Solution Introduce the "Prismatic" Battery Cell ...

batterytechonline.com Why GM Is Betting on LMR Battery Technology

Appeared in: 2026-09-30 (#3)

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