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August 23, 2021 12:00 AM

VW, Stellantis, Renault enter new battlefields in EV race

Competing battery chemistries, standardized cells, increased insourcing on key e-components will be game-changing aspects of the shift

Nick Gibbs
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    Disposal and recycling information for a VW ID3’s lithium-ion battery pack during assembly in Zwickau, Germany
    Bloomberg

    Disposal and recycling information for a VW ID3’s lithium ion battery pack during assembly in Zwickau, Germany. Automakers will need 550 gigawatt-hours of battery cell capacity in Europe by 2030, up from 60 gWh last year.

    The battery cell "is tomorrow's combustion chamber," Porsche CEO Oliver Blume declared at parent Volkswagen Group's recent Power Day.

    The VW event, which came not long after Tesla's Battery Day in September 2020, marked the first of a series of announcements from European automakers that laid out their plans to replace internal combustion engines with battery-driven propulsion.

    They included: VW's Power Day in March; Renault's eWays ElectroPop event in June; Stellantis' EV Day in July; and Daimler's EV strategy announcement in July.

    The automakers used the events to expand on how they were going meet the 468 gigawatt-hours of battery cell capacity IHS Markit estimates is needed in Europe to meet the EU's proposed 55 percent CO2 reduction target by 2030.

    The promise of new gigafactories, mostly with cell partners, was the concrete results of 2.9 billion euros ($3.5 billion) of investments from European Union countries promised under the European Battery Innovation Project, which aimed to create 18,000 new jobs and help replace those lost in the shift away from internal combustion engines.

    The online events went beyond investment announcements.

    Europe's automakers also laid out in a series of PowerPoint slides with varying degrees of detail outlining how they would offer different battery chemistries and unify battery pack design to balance customer demands for increased range and lower cost.

    At the same time, executives such as Porsche's Blume introduced the idea that, far from being just a commodity, battery cells are as much a differentiator for automakers as the combustion engine ever was.

    'The game has changed'

    The events signified a profound shift in recent thinking among automakers.

    "Even two years ago they were saying ‘We are carmakers, not chemical players', but the game has changed," said Jakob Fleischmann, associate partner at consultancy McKinsey & Co. "The future uptake of EVs requires battery manufacturing to gigafactory scale."

    The relationship with cell suppliers is changing. Rather than inking supply deals with Tier 1s such as LG Chem or Samsung, the automakers are entering into partnerships.

    Renault, for example, announced it would buy 20 percent of French startup Verkor to co-develop and build "a high-performance battery" for higher-end vehicles.

    VW, meanwhile, has partnered with Chinese battery maker Gotion, in which the German company has a stake, to build cells at VW's plant in Salzgitter, Germany, to complement its existing partnership with Northvolt there.

    "Cell production is further away from automakers' traditional strategies, but that is where the value sits so they want to get involved," Fleischmann said.

    The desire to control more of the value chain has prompted a look at investments not normally associated with vehicle production such as raw materials.

    Vertical integration

    VW spoke about "a second wave of industrialization" to help reduce costs.

    "Vertical integration is the key to this," VW Group Chief Procurement Officer Joerg Teichmann said in March. "A third of the cost of the battery is manufacturing, engineering and integration into the vehicle. Two-thirds are the components, the raw materials and raw materials processing."

    VW head of components Thomas Schmall didn't rule out following Tesla and investing in the mining of battery raw materials.

    "We are looking at the entire process chain from the mine to recycling. We have to get actively involved in the raw materials business," he told German business daily Handelsblatt in June.

    Competing chemistries

    Questions around cost, supply and ethical sourcing of raw materials needed for the cathode in most lithium ion batteries have prompted European automakers to invest in different chemistries.

    The metals typically used in the cathode in today's batteries -- nickel, manganese and cobalt (or NMC) -- are expensive. To tackle this, VW has announced it will use three different chemistries, all of which reduce or remove the pricey cobalt.

    During its Power Day presentations, VW said its three new cathode chemistries will be:

    • Lithium iron phosphate (LFP) for the "cost-sensible entry segment"
    • High manganese for "the main volume segment"
    • High nickel "for premium and high-performance solutions."
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    Meanwhile, Stellantis announced two new cobalt-free cell chemistries:

    • Iron manganese for entry-level cars
    • Nickel manganese for more energy-dense applications.

    LFP, which is popular in China, is considered a key to unlocking cheaper EV motoring in Europe.

    "In the past, European automakers were very dismissive of LFP, seeing it as a poor quality solution for EVs," said James T. Frith, head of energy storage for Bloomberg NEF. "But they are now coming to realize that if you want an EV to cost less than 20,000 pounds [$27,800], you have to offer a low-cost chemistry that sacrifices some range."

    Stellantis has promised its iron-manganese pack will come in 2024.

    China's lead in industrializing LFP will mean that European automakers are more likely to turn to Chinese automakers for raw materials and partnerships, Frith said.

    Gotion, for example, is expected to make LFP cells for VW in Salzgitter, while Stellantis will most likely leverage its new agreement with Svolt, a spinoff of Great Wall Motors, to supply LFP-style cells from a planned factory in Saarlouis, Germany, with production slated to begin in 2023.

    Daimler will also "vary chemistries depending on customer needs in different markets" Chief Technology Officer Sajjad Khan said at the company's July EV strategy presentation, without going into more detail.

    One European automaker sticking with its current NMC chemistry is Renault. It said NMC "will cover 100 percent of the future BEV [battery-electric vehicle] launches across all segments" during its June presentation, citing 20 percent longer range "compared to other chemistry solutions" and "a much better recycling performance."

    One drawback of LFP is that its low valuable-metal content makes it less appealing to recyclers, meaning automakers might have to shoulder that cost.

    IHS Markit estimates Europe needs 468 gigawatt-hours of battery cell capacity to meet the 2030 emissions target proposed by the EU. These are some of the main plants announced

    ASIAN GIANTS & FRIENDS

    • CATL: A 32 gWh factory in Erfurt, Germany, with clients including BMW and Volvo is to open in 2022 
    • LG Chem: A 10 gWh factory, with plans to expand to 65 gWh, in Wroclaw, Poland, provides batteries to Audi, Daimler, Jaguar, Volvo and VW
    • SK Innovation: A 7.5 gWh factory, with plans to reach 17.3 gWh by 2022, in Kamarom, Hungary, provides batteries to VW
    • Samsung SDI: A 3 gWh factory in Goed, Hungary, will supply batteries to BMW and VW starting in 2021
    • Svolt: Plans plant with up to 24 gWh in Saarlouis, Germany, starting by late 2023. Will supply Stellantis among others
    • Nissan/Envision AESC: Lithium ion battery plant in Sunderland, England, with initial annual capacity of 9 gWh, growing to 25 gWh by 2030, with potential for up to 35 gWh; plant to serve Nissan but could add others, including Jaguar Land Rover
    • Renault Group/Envision AESC: Partners will develop a gigafactory in Douai, France, with a capacity of 9 gWh by 2024 with aim to reach 24 gWh by 2030
    • VW/Gotion: Cell factory within VW’s Salzgitter, Germany, facility that is scheduled start production in 2025; no capacity announced

    HOME-GROWN HOPEFULS

    • Northvolt: A 16 gWh factory in Skelleftea, Sweden, due to open this year, with plans to expand to 32 gWh; customers includes BMW, VW, Scania and Volvo (starting in 2024)  
    • VW Group/Northvolt: A 16 gWh factory in Salzgitter, Germany, is to open by early 2024
    • Volvo/Northvolt: Planned 50/50 JV will establish a new gigafactory in Europe with a potential capacity of up to 50 gWh a year; production scheduled to start in 2026
    • Automotive Cell Company (ACC): JV between PSA and Total-Saft plans two 24 gWh factories; one in Douvrin, France, and one in Kaiserslautern, Germany; both set to open in 2023 
    • Stellantis: Battery plant in Termoli, Italy
    • Verkor/Renault: Starting in 2026, Verkor aims to build high-performance batteries in France, with an initial capacity of 10 gWh, potentially rising to 20 gWh by 2030
    • Britishvolt: A 30 gWh factory in Blyth, England, scheduled to open in 2023. No customers announced

    MORE TO COME

    • VW "is willing" to build a gigafactory in Spain depending on local government support; the company also plans to add three more plants in Europe
    • Stellantis plans a total of five gigafactories in Europe and North America; three have been announced
    • Daimler has four battery plants slated for Europe and a total of eight planned worldwide; working with its "existing strategic partners and with a new partner"

    NO ANNOUNCED PLANS

    • BMW
    • Ford
    • Hyundai/Kia
    • Jaguar Land Rover
    • Toyota

    Source: Automotive News Europe

    Cell-to-pack

    Removing cost from the battery pack is central to European automakers' drive to push down battery prices.

    VW, for example, says it will standardize its cell starting in 2023 to a prismatic design for what it calls the "unified cell."

    This cell will be designed to contain the different chemistries VW plans and will cover 80 percent of VW's batteries by 2030, Schmall said in March.

    Stellantis is also working on a unified design, in which its cobalt-free, longer-range, high-nickel formulas would use the same cell production process, separator, electrolyte and metal foils, electrified powertrain engineering boss Jean Personnaz said last month.

    Stellantis is developing a so-called "cell-to-pack" design that does away with modules common to today's battery packs with the aim of reducing pack costs by 40 percent by 2024.

    That's the date when the company will debut its cell-to-pack low-cost battery chemistry, while higher-range nickel-rich batteries will drop modules by 2026.

    Renault also wants to use cell-to-pack solutions, which it believes will reduce pack cost by 60 percent by 2030 and help it hit a battery cost of $80 per kilowatt hour by the same date, down from $170 kWh in 2019.

    Daimler also plans "highly standardized batteries" with only chemistry and cell height differences between packs, Daimler research boss Markus Schafer said last month.

    The step beyond cell-to-pack is called cell-to-car, which VW has promised. The solution integrates the pack into the structure of the car.

    Tesla has also said it will do this starting with the Model Y build near Berlin.

    "The battery for the first time will have dual use … as an energy device and as structure," Tesla CEO Elon Musk at the company's battery day event last September.

    High hopes for solid state

    "Solid state will be the game changer" VW's Schmall said last month. "It cuts charging time in half and improves range by 30 percent."

    VW is planning a pilot line to make solid-state batteries in Germany with its partner, Quantum Scape, as it tries to industrialize a technology that all European automakers see as their ultimate goal for e-mobility.

    The battery uses a solid electrolyte that improves on the performance provided by lithium ion batteries across almost every parameter. The technology remains experimental, but Europe's big players have announced definite timelines (see box, below).

    Early versions will be luxury applications, but Bloomberg NEF expects the cost to be closer to that of lithium ion batteries by 2030.

    Once that level of energy density is possible Daimler "would have the opportunity to rethink the design of the battery system" CTO Khan said.

    Next big thing

    When key automotive players plan to introduce vehicles with solid-state batteries

    • VW Group -- "mid-decade"
    • Stellantis -- 2026
    • Daimler -- 2028
    • BMW -- "end of the decade"
    • Renault -- 2030

    Insourcing surge

    Automakers are looking at far more than just the battery as they seek to reduce the cost of the electric drivetrain and stand apart from rivals.

    Daimler will "insource e-drive technology that will allow us to build truly differentiate products with unmatched performance," Schafer said.

    For example, it recently bought YASA, a UK maker of high-performance radial permanent magnet motors that also supplies the technology to Ferrari for its SP90 plug-in hybrid supercar.

    Stellantis is developing three electric drive modules that include the electric motor, transmission and inverter to use across EVs on its four planned architectures, with 800-volt capability on the top-spec variants.

    Renault plans to make 500,000 e-motors a year at its powertrain factory in Cleon, France, by 2024 as it tries to convert from combustion engines toward e-mobility.

    Bloomberg

    Audi employees assemble an electric motor at the automaker’s plant in Gyor, Hungary. Automakers will make about 70 percent of all e-motors in-house by 2030, up from 33 percent now, IHS Markit predicts.

    About 70 percent of e-motors will be made in-house by 2030, IHS Markit predicts, compared to 33 percent now.

    "We do expect integration of e-motors/e-axles will be increasingly in automakers' hands as economies of scale kick in," Matteo Fini, IHS' head of supply chain, technology and aftermarket, said. "Insourcing makes more sense with higher volumes per part."

    This increased vertical integration for EVs, however, is unlikely to result in like-for-like job replacement, Fini warned.

    "Major EV components lend themselves to comparatively more automation and less labor intensity than combustion engines," he said.

    The flurry of announcement for battery industrialization in 2021 means the supply will be in place to match the demand for the 54 percent EV sales scenario for Europe in 2030 required under the European Union's Fit for 55 proposals, McKinsey believes.

    Now, McKinsey's Fleischmann warns, automakers and their partners face "an extreme execution challenge" to deliver on their cell production promises.

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