β All-Solid-State Battery Value Chain
QuantumScape (NASDAQ: QS): Solid-State Battery Technology & Licensing
QuantumScape is a U.S. solid-state battery company developing lithium-metal cells built on a proprietary ceramic separator. It's the company that made solid-state batteries a household phrase on Wall Street β and in 2024 bet its whole business on licensing that technology instead of building the factories itself.
Who they are
QuantumScape came out of Stanford research on ceramic materials in 2010, spent a decade mostly in stealth, and went public in 2020 through a SPAC merger β one of the most closely watched listings of that entire SPAC wave. It's still, over 15 years later, a pre-mass-production company: no factory shipping batteries into cars yet. What it has instead is a very deep patent position and roughly a decade of joint development work with Volkswagen.
What they do
QuantumScape's core product is the QSE-5 β a solid-state lithium-metal cell built around a ceramic separator, its actual patented invention. No liquid electrolyte, no separator film like conventional lithium-ion cells use. The company also runs a pilot manufacturing line ("Eagle Line") in San Jose using its "Cobra" heat-treatment process, which it says now runs about 25x faster than earlier methods β the kind of manufacturing-speed detail that matters more than energy-density specs once a technology tries to leave the lab.
How they make money
This is the part that changed. QuantumScape originally planned to manufacture batteries itself through a joint venture with Volkswagen. In 2024 it pivoted to a licensing model instead β lower capital needs, letting PowerCo (Volkswagen's battery subsidiary) do the actual manufacturing under license. The current PowerCo agreement, amended again in July 2026, caps QuantumScape's payments from that specific program at $75.4 million and licenses PowerCo to produce up to 85 GWh of QS cells a year. The company still isn't profitable β Q2 2026 net loss was $98.2 million β but customer billings are starting to show up, which is new.
Where it sits in the value chain
QuantumScape doesn't mine anything, and it doesn't run a gigafactory. It sits squarely in Stage 3 β Cell Technology & IP: the layer that owns the underlying physics and licenses it downstream to the companies that actually manufacture and sell batteries.
The bigger trend
QuantumScape spent years being valued almost entirely on hope β a pre-revenue company with a market cap in the billions. 2026 is the first year that story has real deliverables attached to it: an operating pilot line, PowerCo customer billings, and a new joint research agreement with Honda. It's also starting to talk about itself less as an "EV battery company" and more as an energy-storage platform, with CEO Siva Sivaram flagging AI data centers and aerospace/defense as new demand channels alongside cars. Whether that broadening is diversification or a hedge against a slower-than-hoped EV ramp is exactly the kind of thing worth watching over the next few quarters.
What to watch
- Whether PowerCo actually converts its licensed 85 GWh capacity into real production volume, or the relationship stays milestone-payment-sized.
- Progress on the Honda joint research agreement β QuantumScape's first named automotive partner beyond the Volkswagen ecosystem.
- How much of the "AI data centers and aerospace/defense" expansion turns into named contracts versus remaining a talking point on earnings calls.
Related companies
FAQ
Does QuantumScape make its own batteries?
Not at commercial scale. It runs a pilot production line (Eagle Line) in San Jose to produce sample cells, but its business model is now built around licensing its cell technology to manufacturing partners like PowerCo β not running its own gigafactories.
Is QuantumScape profitable?
No. As of Q2 2026 it was still posting net losses (about $98 million that quarter) and guiding to a full-year adjusted EBITDA loss in the $250β275 million range, though losses have been narrowing year over year as licensing billings start to appear.
What's QuantumScape's relationship with Volkswagen?
Volkswagen's battery subsidiary, PowerCo, is QuantumScape's primary commercialization partner. Under an amended 2026 agreement, PowerCo is licensed to manufacture up to 85 GWh of QuantumScape's cells annually, with milestone-based payments to QuantumScape capped at $75.4 million under the current program.