Best of LinkedIn: Charging & Battery Technology CW 40/ 41

Show notes

We curate most relevant posts about Charging & Battery Technology on LinkedIn and regularly share key takeaways. We at Frenus supports automotive suppliers with building feature-by-feature competitive intelligence that shows exactly how their product stacks up against the competition. You can find more info here: https://www.frenus.com/usecases/product-feature-benchmarking-and-sales-battle-cards-know-exactly-where-you-win-where-you-lose-and-why

This edition outlines the current transition in the electric vehicle sector, where the primary limitations have shifted from vehicle availability to grid connections, charging infrastructure, and regulatory frameworks. Heavy-duty electric trucks are advancing rapidly with the expansion of megawatt charging systems and depot power networks, though obtaining sufficient grid capacity remains a significant bottleneck. Meanwhile, public charging networks across Europe and the United States are experiencing substantial consolidation and corporate acquisitions, alongside shifting regional pricing strategies and stricter legal mandates like digital product passports. On the manufacturing front, battery technology is evolving with higher-capacity storage containers, improved thermal management for faster charging speeds, and a growing reliance on LFP chemistries. Despite regional fluctuations in passenger vehicle sales, strong EV adoption data in countries like Germany and Spain highlights ongoing market maturation.

This podcast was created via Gemini Notebook.

Show transcript

00:00:00: Provided by Thomas Allgaier and Freiness, based on the most relevant LinkedIn posts about charging in battery technology.

00:00:06: In calendar weeks forty-and-forty one.

00:00:08: Freiness is a B to B market research company that supports automotive suppliers with building feature by feature competitive intelligence That shows exactly how their product stacks up against the competition.

00:00:19: you can find more info in the description.

00:00:21: So imagine trying to run a fleet of heavy delivery trucks right?

00:00:26: But instead of just pouring some asphalt and putting in a diesel pump, you have to build an electrical hub that literally consumes as much power as a small town.

00:00:35: Yeah?

00:00:35: That's the reality now!

00:00:36: The heavy hardware to charge those trucks... I mean it is finally rolling off the assembly lines.

00:00:40: Exactly but the wait list for plug-that-hub into the grid was like three years long….

00:00:46: The trucks are here..but infrastructure lagging.

00:00:49: so today we're unpacking real constraints on electrification

00:00:53: Right.

00:00:54: And we're looking at a massive stack of industry insights.

00:00:56: today, heavily curated for mobility.

00:00:58: professionals like you are missions really just to distill the absolute most important trends in charging and battery tech and figure out the mechanics actually driving

00:01:07: them?

00:01:08: Yeah no fluff.

00:01:09: No.

00:01:09: over explaining The basics.

00:01:11: You already know this industry.

00:01:12: We're going do a rapid focus deep dive into what is Actually moving the needle.

00:01:16: right now

00:01:17: and Looking At the sources the overarching theme Is A major Structural Shift Like The core constraint on electrification has officially moved.

00:01:26: Oh, for sure We're no longer waiting for the vehicles or the chargers to be invented.

00:01:31: Exactly!

00:01:32: The bottleneck is entirely about power distribution regulatory frameworks and well asset reliability now.

00:01:39: So let's unpack that heavy hardware first.

00:01:42: I mean four years of conversation around electric heavy-duty trucks felt like we were just staring at prototypes at trade shows.

00:01:48: Yeah

00:01:48: vaporware basically.

00:01:49: But now they are pulling real freight.

00:01:51: And man, they are incredibly thirsty for megawatts.

00:01:55: David D'Amato actually highlighted a major milestone on this front.

00:01:58: Oh right the Tesla semi-production?

00:02:00: Yeah!

00:02:01: Tesla has officially started high volume production of the Semi in Nevada and we're finally seeing real operational data.

00:02:08: like PepsiCo is proving initial use case

00:02:10: Because their running highly predictable routes Right.

00:02:13: Exactly They return to exact same depot every single night proves that the closed loop depot model actually works at scale.

00:02:24: And

00:02:24: it's not just private depots anymore, which is interesting.

00:02:27: Jason Geese shared that Tesla is pushing the mega charger network aggressively eastward.

00:02:32: Right.

00:02:32: I saw that.

00:02:33: Yeah they're opening sites in Conley near Atlanta and a pilot flying J site near Savannah like on consecutive days

00:02:40: Which really implies they've figured out hardware grid integration for these very specific high traffic nodes.

00:02:46: But then Felix Hamer posted something kind of completely recontextualizes this whole expansion.

00:02:53: He observed a mega-charging rate of just thirty cents per kilowatt hour in Palo Alto.

00:02:57: Wait,

00:02:59: thirty cents?

00:02:59: Yeah, thirty sense!

00:03:00: I mean to offer that for megawatt charging in the US.

00:03:03: they must be doing some extreme localized load balancing right.

00:03:08: otherwise the demand charges from utility would be crippling.

00:03:11: Oh

00:03:12: sure.

00:03:12: and he poses this fascinating question if Is Tesla planning to launch the Semi in Europe with megawatt charging as this massive strategic power move?

00:03:24: Like, to permanently undercut the European OEMs on operating costs.

00:03:27: Exactly Interesting.

00:03:29: I mean a thirty cent operating cost would completely upend European fleet economics.

00:03:33: But...to be fair The European market is preparing its own heavy hitters

00:03:37: Right?

00:03:37: Thomas Studer was talking about BYD.

00:03:39: Yeah, you pointed out the specs for BYD's new ETT-IV truck which is hitting Europe in Q.II of twenty twenty seven.

00:03:47: and The engineering is just staggering.

00:03:49: it uses a six hundred fifty one kilowatt hour blade battery.

00:03:53: Wow that's massive.

00:03:55: It relies on really dense efficient LFP cell packaging claiming up to six hundred kilometers of range.

00:04:02: But more importantly it can take over one point five megawatts of charging power.

00:04:07: So taking it from twenty to eighty percent in what, twenty minutes?

00:04:10: Yeah.

00:04:11: All while hauling the legal payload limit of a diesel truck.

00:04:13: That's wild.

00:04:15: so BYD is betting hard on ultra-fast megawatt charging.

00:04:18: but Raul Hernandez noted Scania Is Taking A Totally Different Mechanical Approach To Get That Range

00:04:24: The battery behind cab thing right.

00:04:25: Yeah, they're literally introducing a battery-behind cab configuration.

00:04:30: Just mounting two extra vertical battery packs right behind the driver's cab to push the range up to seven hundred twenty kilometers.

00:04:38: It is!

00:04:39: It feels like strapping heavy external power banks into smartphone you know just because internal batteries aren't big enough.

00:04:45: That good analogy actually

00:04:47: In world moving toward megawatt charging carrying thousands of pounds of extra physical battery weight.

00:04:53: really long term end game?

00:04:56: Or is it just a temporary kind of inefficient fix until the fast charging grid actually catches up.

00:05:01: Well, It's definitely a calculated compromise because Scania knows that relying on public megawatt charging today Is A massive gamble

00:05:08: Because Of The Grid Right.

00:05:10: Not Just The Grid But The Physical And Thermal Challenge Of Delivering That Power.

00:05:14: Mark Hellman Rugubi Shared A Visual Of What It Takes To Deliver Just One Thousand Kilowatts.

00:05:21: Oh Yeah Those Cables

00:05:22: yeah.

00:05:22: and Requires Twelve heavy, two hundred and forty square millimeter copper cables bundled into a single connector.

00:05:29: It literally looks like a mechanical

00:05:31: Medusa.".

00:05:32: And it's not just copper in there which is the crazy part to keep those cables from literally melting in your hands?

00:05:38: From all that electrical resistance they have to pump active liquid cooling directly through the connector while its hooked up

00:05:44: Right, because pushing that much current generates immense heat.

00:05:48: But the liquid-cooled umbilical cord is what gets a truck back on the road in half time of standard CCS charger.

00:05:54: And we are seeing infrastructure to support these mechanical medusas scare up Europe.

00:06:00: Yeah Susan with Hayakumar mentioned ProLogist opening a hub at Valencia with secured four megawatt grid connection for fifty ports.

00:06:08: And Dr.

00:06:09: Jay, Carl Philip Tuleman Dalima highlighted GP Juul delivering a two megawatt park in Bohum under a year

00:06:17: Which is really impressive

00:06:18: It Is.

00:06:19: But because that physical hardware requires so much power, we kind of have to transition to our next theme.

00:06:24: You have these connectors ready to pump one point five megawatts into a single truck meaning A fifty port hub needs the electrical capacity Of an actual small town.

00:06:33: The bottleneck has completely shifted from building the charger To just finding the electricity.

00:06:38: Yeah

00:06:39: Carl Magnus Norden framed this perfectly.

00:06:41: Depot Power is the actual binding constraint on electric trucks right now Not vehicle range, not charger standards.

00:06:47: It's the grid connection?

00:06:48: Exactly!

00:06:49: The industry spent a decade perfecting the trucks powertrain but kind of ignored that fact that Logistics Depot was never wired to act as high capacity power plant.

00:06:58: The timelines are just totally misaligned.

00:07:00: Yeah

00:07:00: you can build a logistics depot in six months But getting municipal grid connections upgraded takes three-five years.

00:07:06: That is painful.

00:07:08: And Petar Georgiev shared a summary of an ICCT and Fraunhofer ISI study that maps out this exact collision course.

00:07:15: Oh, the

00:07:15: one about location density?

00:07:17: Yes!

00:07:17: They found that a mere ten percent of European locations will account for up to ninety percent... ...of all e-truck charging energy.

00:07:25: That's huge concentration.

00:07:26: It is.

00:07:27: Those vital logistics nodes are going need twenty to fifty megawatts each

00:07:31: Wow To unlock that kind localized power.

00:07:34: The study points three very specific regulatory and economic levers we have to

00:07:39: pull.

00:07:39: Okay, what are they?

00:07:40: First connection queue reform.

00:07:43: We basically have to scrap the outdated first come-first serve queues that just get clogged by speculative real estate projects.

00:07:50: I was so moving too flexible.

00:07:52: use it or lose at Connection Agreements

00:07:53: Exactly.

00:07:54: Second...we desperately need dynamic network tariffs because right now if a depot hits a massive power peak for The utility hits them with a capacity charge that ruins their economics for the whole month.

00:08:06: That makes no sense!

00:08:07: It doesn't.

00:08:08: And third, grid operators need legal mandate to make anticipatory investments before demand officially even exists

00:08:15: Which is huge shift in how utilities operate Totally tipped.

00:08:20: I mean Peter Schwartz and Simon Vogt reported from a major charging conference in Berlin And they noted that literally nobody is talking about the sheer quantity of charge points anymore,

00:08:31: right?

00:08:32: The numbers game is over.

00:08:33: exactly the entire focus Is on power quality and securing the grid connection.

00:08:37: the CEO of fastnet actually stated it perfectly.

00:08:39: He said without a grid connection there is no charging station.

00:08:43: i mean he's not wrong

00:08:44: He's not, but I have to push back here a little.

00:08:46: It feels like we're building a fleet of state-of the art high speed bullet trains and then suddenly realizing We forgot to build the train stations or lay down the electrical rails.

00:08:55: Yeah The planning was totally backwards

00:08:57: Right.

00:08:58: So are these flexible connection agreements?

00:09:00: And dynamic tariffs just a bandaid for an underfunded outdated grid that policymakers Just completely failed to plan For?

00:09:08: I mean yes.

00:09:09: Policymakers definitely underestimated the sheer velocity of a power demand curve.

00:09:14: But while the grid operators scrambled to catch up, engineers on-the-ground are inventing some really clever workarounds for these spatial and power constraints...

00:09:22: Like what?

00:09:23: Well, Innebomb Drang highlighted Vector's new vsecc.inplug solution.

00:09:28: Okay!

00:09:28: The name is a mouthful but what does it actually do?

00:09:30: Right so historically due signal degradation in voltage drop the actual charging plug could only sit about seven point five meters away from heavy power cabinets

00:09:39: which takes up a ton of prime parking space.

00:09:41: Exactly,

00:09:42: but Vector decoupled the communication controller from the power electronics so now they've extended that range up to one hundred meters.

00:09:49: oh wow!

00:09:50: So instead of trying to shoehorn these massive loud heat generating power cabinets next every single parking bay in a cramped hub you can just centralize all that heavy electrical infrastructure near the depot's single grid connection.

00:10:04: yes And then you just run the sleek charging cables out to trucks.

00:10:08: Centralizing heavy equipment and active cooling systems completely changes spatial geometry of a depot.

00:10:14: That's huge for real estate.

00:10:16: It is When space is at a premium, that architectural flexibility is literally the difference between electrifying a fleet... ...and being forced to stick with diesel

00:10:25: For sure!

00:10:26: Because this physical grid connection takes years it is changing the business model.

00:10:33: The real estate itself isn't even the most valuable asset anymore.

00:10:36: The secured grid capacity is the gold

00:10:38: mine.".

00:10:39: Oh, hundred percent!

00:10:40: And that artificial scarcity is triggering a massive wave of consolidation and cutthroat pricing strategies?

00:10:47: By the way while we're talking about staying ahead of these massive industry shifts.

00:10:50: if you are finding this deep dive valuable make sure you subscribe so you don't miss our future industry roundups.

00:10:55: Yeah definitely hit subscribe.

00:10:57: but going back to that scarcity of power it's driving major M&A activity.

00:11:01: Companies are buying up smaller operators just to capture their existing grid capacity.

00:11:05: Right, like the EON deal?

00:11:07: Exactly!

00:11:08: Christian Sevdovry and Stefan Koch noted that EON Drive infrastructure acquired the BP Pulse network in The Netherlands

00:11:15: which instantly adds over three hundred fifty fast charging points right yeah

00:11:18: and vaults them right into the top four operators in the country.

00:11:22: And Dennis Wadling shared that ChargeGuru and Z plug merged to form Tomo creating a European giant with over one hundred thousand installed charge points.

00:11:32: It is a pure land grab for energized

00:11:34: sites.".

00:11:35: It really is!

00:11:36: Now, With all this consolidation local pricing power becomes the ultimate competitive weapon.

00:11:41: but data shows that market is behaving very strangely.

00:11:45: Casper H Rasmussen analyzed data from Montes Pricing Engine and found that forty-seven percent of sites are just blindly priced at their operator's national average which

00:11:54: defies basic economics

00:11:56: Totally.

00:11:57: You wouldn't price a cup of coffee in central London the same as a cup and tiny rural village, right?

00:12:02: But The deeper data reveals the game theory at play here.

00:12:05: Six-in-ten local charging markets are highly concentrated And nearly three-in ten our near monopolies.

00:12:11: Oh wow Yeah.

00:12:12: So when Monta's algorithm models local competition it actively holds back about forty five percent of proposed price cuts.

00:12:20: Because if an operator cuts their price next to a dominant rival the rival simply matches It.

00:12:24: nobody gains volume and both operators just destroy their own margins.

00:12:29: So we are essentially watching the creation of a new gas station oligopoly, if the localized algorithms calculate that price wars or losing game you know the consumers permanently locked into high rates.

00:12:41: well regulators are keenly aware this localized pricing power which brings us to amassive legal disruption.

00:12:47: it's just hit European money market

00:12:49: all them.

00:12:49: unit court ruling

00:12:50: yes Lydie Latapov and Jens Romer reported on this ruling between DCS & EWE GO.

00:12:56: To understand the stakes here, you have to look at new European AFIR regulations.

00:13:01: The alternative fuels infrastructure regulation designed to ensure price transparency in open access.

00:13:07: So basically under AFIR a charge point operator can't heavily penalize drivers who use third party roaming card instead of operators native

00:13:16: app.

00:13:17: Exactly!

00:13:17: And the Munich court essentially validated that interpretation.

00:13:21: In this specific case, direct customers were paying fifty-two cents a kilowatt hour.

00:13:26: But roaming customers from third party mobility provider are being charged over eighty three cents plus the blocking fee.

00:13:33: Wait that's a sixty percent markup for exact same electrons?

00:13:36: Right and judge indicated this level of discriminatory wholesale pricing violates core intent on regulation.

00:13:43: if president holds up entire business model high margin EV roaming could be regulated completely out existence

00:13:50: Because operators will be forced to justify any wholesale price difference mechanically, rather than just using it as a profit center.

00:13:57: Exactly.

00:13:58: But if the roaming margins collapse and you can't compete purely on price I mean The only differentiator left is the actual driver experience.

00:14:06: Dan Wilson brought up a really telling observation from Rove's new premium charging hub in California

00:14:12: One with the luxury lounges.

00:14:14: Yeah It features high-end grocery stores Luxury loungers pristine amenities.

00:14:19: But on a busy Saturday, he noticed the Tesla superchargers at The Hub were eighty-six percent occupied while the non-Tesla fast chargers where only forty one percent occupied.

00:14:29: And the amenities were identical for both sets of drivers right?

00:14:32: Exactly!

00:14:33: So the discrepancy highlights this brutal reality of capital allocation.

00:14:37: building premium lounges is incredibly expensive but Tesla actually solved back in software handshake

00:14:44: Right...the seamless plug and charge protocol using vehicle MAC addresses integrated billing

00:14:49: Yeah.

00:14:49: If that core vehicle charging experience is still the primary driver of utilization, then investing heavily in luxury amenities before perfecting the digital handshake is just a huge misallocation capital.

00:15:02: Well The ultimate bottleneck to that reliable fast plug experience isn't just the software handshake either.

00:15:07: What do you mean?

00:15:08: It's the chemical and thermal reality inside the vehicle itself!

00:15:12: The limit on how fast those premium hubs can push power really comes down to cell chemistry And How we track its degradation.

00:15:18: Oh, I see.

00:15:19: Yet Chaoyang Wang a pioneer in battery research noted that ten minute EV charging is rapidly becoming the industry standard target.

00:15:27: but pushing that much current generates massive internal resistance.

00:15:31: The i-squared R losses right?

00:15:33: Exactly To charge and ten minutes lithium ion cells inherently must operate at seventy to eighty degrees Celsius.

00:15:39: And if you are fast charging In the middle of a thirty five degree summer day...I mean That thermal load Is just immense

00:15:45: It IS!

00:15:45: And Wang points out the mechanical danger there.

00:15:47: Traditional lithium-ion solvents are highly volatile.

00:15:51: If the internal temperature exceeds the solvent's boiling point, which is often right around eighty degrees... ...the liquid turns into a gas!

00:15:58: Oh so the pouch cell just expands like balloon until it vents or catches fire?

00:16:02: Exactly that is why industry desperately racing to formulate new heat tolerant electrolytes and eliminate highly volatile solvence entirely.

00:16:12: You know when you mention flammable solvents and expanding cells people immediately jump to the fear of spontaneous battery fires.

00:16:17: But Alex Parker shared some forensic data that completely reframes.

00:16:21: That whole narrative.

00:16:22: Yes, it was super interesting

00:16:24: It was.

00:16:24: he noted that field EV batteries are overwhelmingly traced to preventable mechanical enclosure leaks in water intrusion not spontaneous internal chemistry failures.

00:16:35: Right.

00:16:35: The industry tends to treat thermal runaways as this deeply complex chemistry risk for the battery management system, to solve via software.

00:16:42: Exactly.

00:16:43: but Parker's data proves that devastating fires especially those happening after minor crashes or heavy rainstorms are caused by basic mechanical degradation.

00:16:52: coolant Or water leaks through compromise seals causes a short circuit and triggers the runway.

00:16:57: It is

00:16:57: hardware issue

00:16:58: Totally.

00:16:59: He pointed out that a recall for a leak defect costs one manufacturer over fourteen thousand dollars per vehicle to replace the modules.

00:17:06: yet A simple helium seal integrity test on the production line takes like five minutes.

00:17:11: Wow, this isn't a fundamental flaw in electric vehicle technology.

00:17:15: It's just some massive oversight and manufacturing quality control and yield management.

00:17:19: Well ensuring that kind of mechanical and chemical tracking over the entire life of the vehicle is The exact problem.

00:17:24: the new EU digital product passport has designed us off.

00:17:28: Right, the battery passport.

00:17:29: Yeah, Mayak Sikarya pointed out that starting February eighteenth twenty-twenty seven EV batteries cannot be sold in the EU.

00:17:36: without

00:17:36: one The Passport is kind of pitched as this digital medical record That stays with the battery its entire life right.

00:17:42: but it's not just a static PDF generated at the factory.

00:17:45: No

00:17:45: Not At All!

00:17:46: The European Commission Requires Seventy One Specific Data Points.

00:17:50: Some are Static Sure Like Manufacturing Origin But The Core Of The Regulation Requires What They Call Living

00:17:56: Data like capacity fade.

00:17:58: Exactly, metrics tracking how much total charge the cell's internal structure has permanently lost over thousands of charged cycles.

00:18:06: it also tracks operating temperatures and fault codes.

00:18:09: The regulation demands this data stays current through.

00:18:14: But practically speaking, who actually owns the responsibility for maintaining that massive data pipeline?

00:18:20: I mean The battery management system logs the data but it has to be transmitted over-the-air To a cloud provider then managed by the automaker and finally exposed...to the regulator.

00:18:30: It's a logistical nightmare.

00:18:31: If a seal degrades in year five And the data isn't logged Who is legally liable?

00:18:37: The liability framework Is still being fiercely debated.

00:18:39: The company's treating this as a massive vehicle data infrastructure problem today, rather than just the compliance checklist or ones who will actually survive the twenty-twenty seven rollout.

00:18:50: Makes sense.

00:18:51: We also need to be realistic about limits of digital tracking though.

00:18:55: Hadea J. Husson analyzed China's battery tracking system which has been operational since twenty eighteen.

00:19:01: But it is really just their registry.

00:19:04: It doesn't physically stop a retired battery pack from being dumped in a landfill or sold on the black market for its raw cobalt and lithium.

00:19:11: How did China actually enforce the physical supply chain?

00:19:14: Well, initially they didn't... Every pack in China gets a trace code just like EU passport requires.

00:19:20: but recent study shows that despite this digital tracking more than seventy-five percent of retired EV batteries still ended up with informal unlicensed recyclers.

00:19:31: Because these informal shops don't pay for environmental overhead or safety protocols, right?

00:19:36: So they can just pay higher prices for the scrap packs.

00:19:39: Completely undercutting the formal circular economy.

00:19:42: Exactly so.

00:19:43: The registry alone completely failed to close the loop.

00:19:47: A passport is literally just a database

00:19:49: Right.

00:19:50: in China the needle only moved when they paired the registry with strict physical enforcement like mandating automakers physically take back the packs and heavily penalizing companies that sold to unlicensed channels.

00:20:03: With strict enforcement, formal recycling is projected to jump to over ninety-two

00:20:07: percent.".

00:20:10: So the lesson for Europe's twenty-twenty seven rollout is crystal clear The digital passport Is just a software layer.

00:20:16: Brutal physical enforcement will be true test of circular economy.

00:20:22: If you enjoyed this episode new episodes drop every two weeks.

00:20:25: Also check out our other editions on commercial fleet insights, autonomous and mobility markets.

00:20:31: And software defined an AI-defined vehicles.

00:20:33: but before we sign off I know you had one last thought on all this.

00:20:37: Yeah just one final concept to consider.

00:20:39: synthesizing some insides from Manfred Brazil and Paul Fabianic We spent the entire deep dive examining how The centralized grid is ultimate bottleneck for megawatt truck depots fast charging hubs.

00:20:52: But technology bi directional charging vehicle to grid or V-IIG, is now moving down market into smaller entry level cars like the VW ID Polo.

00:21:02: Research shows Germany alone has one point five million private wall boxes that could theoretically be shared and connected locally And that's interesting.

00:21:10: So what if the long-term solution to a massive grid bottleneck isn't building more centralized town sized power stations?

00:21:17: What if millions of private driveways and parked vehicles eventually networked together into become the largest, most flexible decentralized power plant

00:21:37: in?

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