Jun 26, 2025 · 37m · catalyst
GM's big new battery tech push
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gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions
In this episode of Catalyst, host Shail Khan interviews Kurt Kelty, Vice President of Battery Propulsion and Sustainability at General Motors, to examine GM's breakthrough Lithium Manganese-Rich (LMR) cathode technology. The discussion details the manufacturing economics, technical trade-offs, and industrial strategies required to onshore resilient battery supply chains across North America.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. Shayle holds 21.7% of the talking time here. How this is scored →
Shayle as informed peer 5.6 Guest teaching 5.7 Guest disagreement 1.5 Shayle pushing back 2.2
speaking balance: gold is Shayle, purple is the guest (3 minute bins)
Sharpest disagreement ▶ 26:14 Kurt dismisses the viability of automakers manufacturing cells independently
Kurt points to failures like Northvolt and his arguments with Elon Musk to flatly assert that auto OEMs cannot make cells alone without dedicated partners.
Hardest push from Shayle ▶ 28:05 Shayle refuses generalities and demands specific technical hurdlesAfter Kurt answers a technical question with corporate partnership anecdotes, Shayle interrupts to pin him down directly on the exact technical failure modes.
Biggest teaching moment ▶ 11:30 Kurt details the chemical and physical logistics of precursor refiningKurt educates Shayle on why shipping nickel sulfate liquid is economically irrational compared to converting it to precursor powder at the extraction site.
Shayle holds their own ▶ 20:24 Shayle probes stationary storage market dynamics and system-level trade-offsShayle demonstrates deep market knowledge by challenging Kurt on why GM is not using LMR to disrupt LFP in stationary storage where balance-of-system costs scale with density.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | Shayle as informed peer | Guest teaching | Guest disagreement | Shayle pushing back | Why |
|---|---|---|---|---|---|---|
| The State of Domestic EV Battery Manufacturing | 4 | 6 | 1 | 1 | Shayle asks broad foundational questions about domestic manufacturing. Kurt responds with a comprehensive historical and industrial overview spanning his Tesla days to GM's current 40 GWh factories. | |
| Mapping the Battery Supply Chain and Nearshore Localization | 5 | 7 | 1 | 1 | Shayle prompts a breakdown of upstream vs downstream localization. Kurt gives an educational masterclass detailing logistics constraints and geographical sourcing from Congolese cobalt to Indonesian nickel. | |
| Economic and Policy Calculus in Onshoring Cell Materials | 6 | 7 | 2 | 2 | Shayle challenges Kurt to isolate pure economic drivers from artificial policy distortions like IRA subsidies. Kurt explains the chemical logistics of nickel sulfate liquids, precursor powders, and the counterproductive risks of excessive tariffs. | |
| Mid-Episode Sponsor Messages | 5 | 6 | 1 | 1 | Following the mid-roll break, Shayle contextualizes corporate announcements and frames the chemistries. Kurt lays out the transition from NMC 111 to high nickel and the chemical value proposition of manganese-rich LMR. | |
| Comparing LMR and LFP Trade-offs in Vehicles and Storage | 7 | 5 | 2 | 4 | Shayle pushes hard on stationary storage markets, suggesting LMR could swamp LFP if costs and energy density are favorable. Kurt explains the cycle-life trade-off, pointing out that stationary storage requires thousands more daily cycles than automotive use. | |
| History of LMR Research and GM's Wallace Center Prototyping | 5 | 6 | 1 | 1 | Shayle asks about the academic origins of LMR and why it stalled historically. Kurt outlines Jeff Dahn's early work at Dalhousie, Argonne's involvement, and GM's scale testing at the Wallace Center. | |
| Solving Technical Bottlenecks: Cycle Life and Formation Time | 7 | 5 | 3 | 6 | When Kurt gives high-level historical context about manufacturing challenges, Shayle refuses to let him dodge and explicitly pins him down to name specific technical hurdles. Kurt concedes and explains cycle life degradation and slow formation process times. | |
| Drop-In Manufacturing Compatibility and Supply Chain Fit | 6 | 6 | 1 | 2 | Shayle inquires whether LMR requires brand-new manufacturing lines and questions whether chemistry innovation will ever settle on a single winner. Kurt explains that LMR is drop-in compatible with existing high-nickel lines and describes upcoming silicon anode integrations. | |
| GM's Tri-Chemistry Portfolio and Prismatic Cell Transition | 7 | 5 | 2 | 3 | Shayle probes whether ultra-low-cost Chinese LFP sets an unbeatable floor for Western automakers. Kurt details GM's multi-chemistry segmentation and notes that switching to prismatic form factors cuts pack part counts by 50%. | |
| LMR Commercial Roadmap and Final Reflections | 4 | 4 | 1 | 1 | Shayle wraps up by asking for the tangible commercial production target. Kurt confirms a clear timeline of early 2028 with Ultium and LG. |
Statements from this episode (15)
Khan: EV battery startups face an almost impossible OEM gauntlet
“The timeline, the capital intensity, the requirements of the vehicle OEMs, who are your ultimate customers if you're trying to build one of these businesses, they all present this nigh impossible gauntlet to cross for a startup.”
Khan: Most EV battery startup pitches make identical zero-downside promises
“Second though, to a first order, virtually all of these battery technology pitches kind of sound the same. At least on their surface. They promise better performance at lower or equivalent costs. Lots of upside, no downside. And so it becomes a little bit of a…”
Kelty: GM is the largest North American OEM battery cell producer
“And we're now at a point where we are the largest OEM producer of battery cells in North America with these two factories.”
Kelty: Battery anode supply is currently almost 100% sourced from China
“The anode right now is almost a hundred percent from China.”
Kelty: GM will localize its battery supply base eightfold by 2028
“So between now and twenty-twenty-eight, we're going to localize the supply base by about eightfold between now and 28.”
Kelty: Tariffs to force domestic battery production increase EV prices and stifle demand
“Like, if you want, if you're really trying to encourage domestic production, ah, in the US, you would put in tariffs to increase the cost overseas, and you'd, you'd incentivize local production. The problem with that is that your cost would end up going up hig…”
Kelty: LMR cathode achieves intermediate range at LFP battery cost
“So that, that's the advantage, is that you get something in between there, in terms of your driving range, but you're able to do it at the cost of the LFP.”
Kelty: LFP beats LMR for daily-cycling stationary energy storage
“LMR is, is good for some energy storage applications that are cycling periodically, that are cycling 30 times a year, 50 times a year, something like that. LMR would be great for that, because you'd have a smaller footprint that would be required for it compar…”
Kelty convinced Elon Musk to partner with Panasonic for Gigafactory cells
“Starting back in my days at Tesla when Elon wanted to get into cell manufacturing, and I really argued that, no, we shouldn't do that argued with him the second time, we shouldn't do that, because he really wanted to get into cell manufacturing, because no one…”
Kurt Kelty: LMR batteries use GM's existing Ultium high-nickel manufacturing lines
“So this is one of the beauties of LMR is that it really piggybacks off all the work that we've done with high nickel. So it's the same manufacturing process. So we'll use the same Ultium factories. The it's the same electrode manufacturing process. The packagi…”
Kelty: LFP batteries have little room left for major improvements
“LFP's been around now, For 20 odd years, it's been commercialized. They've come down that cost curve over time, and so there's not a whole lot of improvements that you can make with LFP. You've got to jump to a new chemistry.”
Kelty: GM does not conduct internal solid-state battery R&D
“We're not doing solid state R&D. Within GM. What we're doing is we're evaluating and leveraging all those startup players that are out there and the major manufacturers like Samsung's a big solid state developer as well.”
Kelty: Tri-chemistry EV battery market will persist over the next five years
“So we see a future over the next five years where you're going to have these three chemistries.”