QuantumScape
QuantumScape is an American battery-technology company developing solid-state lithium-metal batteries for electric vehicles.
Last updated October 29, 2026
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Overview
QuantumScape Corporation is an American battery-technology company focused on the research and development of solid-state rechargeable lithium-metal batteries, principally for electric vehicles. The company was founded in 2010 by Jagdeep Singh, Tim Holme, and Stanford University professor Fritz Prinz. Its technology program is intended to address several limitations associated with conventional lithium-ion batteries, including energy density, charging speed, safety, and the use of graphite or silicon-based anodes. QuantumScape's central design uses a lithium-metal anode together with a ceramic solid-state separator. The separator is intended to prevent dendrite formation and to remain stable when exposed to lithium metal. In the company's cell architecture, an organic liquid electrolyte surrounds the cathode, meaning that the technology is a solid-state system rather than a conventional all-solid-state configuration in every component. The proposed architecture is designed to reduce cell complexity while enabling a higher energy density than many existing lithium-ion designs. The company began working with Volkswagen in 2012, establishing a relationship that became central to QuantumScape's commercialization strategy. Volkswagen invested $100 million in 2018 and became the company's largest shareholder. In the same year, the two companies announced a joint production project intended to prepare solid-state batteries for eventual mass production. Volkswagen invested a further $200 million in June 2020. Volkswagen's battery company, PowerCo, later became the principal industrial partner for a planned volume-production pathway. QuantumScape entered the public markets in 2020 through a merger with Kensington Capital Acquisition, a special-purpose acquisition company. The transaction provided approximately $1 billion in financing from investors that included Volkswagen and the Qatar Investment Authority. Following the merger, QuantumScape began trading on the Nasdaq under the symbol QS. Its public-market valuation rose sharply during late 2020 despite the company having no commercial product or revenue at that stage, making it a highly visible and speculative investment in the emerging electric-vehicle battery sector. The company has reported a series of prototype and testing milestones. In 2022 it announced a solid-state battery capable, under the stated test conditions, of a claimed range equivalent of 650 kilometers and a 15-minute charging time. In early 2024, Volkswagen and QuantumScape presented a prototype based on QuantumScape's technology. The companies stated that the prototype had completed 1,000 charging cycles with approximately 5% capacity loss and offered energy density at least one-third higher than a reference battery. In July 2024, Volkswagen's PowerCo and QuantumScape announced an agreement supporting volume production, with an initial target of 40 gigawatt-hours of annual battery capacity. In October 2024, QuantumScape presented the QSE-5 B-sample cell, its first planned commercial-product prototype. The company reported measured cell energy of 21.6 watt-hours at a C/5 discharge rate and 25 degrees Celsius, corresponding to 844 watt-hours per liter of volumetric energy density and 301 watt-hours per kilogram of gravimetric energy density. In October 2025, according to the supplied reference material, QuantumScape began shipping QSE-5 B1 samples and demonstrated QSE-5 cells in a Ducati V21L electric motorcycle. QuantumScape remains a development-stage battery company rather than an established mass-market battery manufacturer. Its business prospects depend on validating laboratory and prototype results, scaling manufacturing processes, securing automotive qualification, and achieving competitive cost and reliability in volume production. Volkswagen Group and Bill Gates are identified among its major investors, while the company continues to operate as an independent publicly traded corporation.
History
QuantumScape was established in 2010 by Jagdeep Singh, Tim Holme, and Fritz Prinz, a professor associated with Stanford University. From its beginning, the company concentrated on rechargeable lithium-metal battery technology intended to improve on conventional lithium-ion cells. Its research program centered on a ceramic solid-state separator that could operate with a lithium-metal anode. The company claimed that this architecture could limit dendrite formation while increasing energy density and supporting rapid charging. In 2012, QuantumScape began collaborating with Volkswagen. The relationship provided an automotive development partner and eventually became the foundation of the company's commercialization plans. Volkswagen invested $100 million in 2018, becoming QuantumScape's largest shareholder. That year, Volkswagen and QuantumScape also announced a joint production project to prepare for the possible mass manufacture of solid-state batteries. Volkswagen added another $200 million investment in June 2020. QuantumScape became a publicly traded company in 2020 after merging with Kensington Capital Acquisition, a special-purpose acquisition company. The transaction supplied approximately $1 billion in financing from investors including Volkswagen and the Qatar Investment Authority. QuantumScape began trading on the Nasdaq under the ticker QS. During the final quarter of 2020, its market valuation briefly exceeded that of Ford despite the absence of a commercial product and reported revenue, illustrating the high investor expectations surrounding electric-vehicle battery technology. The public profile of the company also brought substantial scrutiny. On April 15, 2021, Scorpion Capital announced that it had taken a short position in QuantumScape and criticized the company's prospects, characterizing it as a possible pump-and-dump scheme. This became one of the most prominent public challenges to the company's claims, although it represented the position of a short seller rather than a regulatory finding. QuantumScape continued reporting prototype results. On June 26, 2022, it announced a solid-state battery with a claimed 650-kilometer range and a 15-minute charging time. In early 2024, Volkswagen and QuantumScape presented a prototype based on QuantumScape's technology. The companies reported 1,000 charging cycles with approximately 5% capacity loss and energy density at least one-third higher than a comparison battery. In July 2024, Volkswagen's PowerCo and QuantumScape announced an agreement aimed at enabling volume production. The initial production objective was stated as 40 gigawatt-hours of batteries per year. In October 2024, QuantumScape presented the QSE-5 B-sample, described as the first planned commercial-product prototype. The reported measurements were 21.6 watt-hours of cell energy at a C/5 discharge rate and 25 degrees Celsius, with volumetric energy density of 844 watt-hours per liter and gravimetric energy density of 301 watt-hours per kilogram. The supplied reference material states that QuantumScape began shipping QSE-5 B1 samples in October 2025 and demonstrated QSE-5 cells in a Ducati V21L electric motorcycle. These activities represent progression from laboratory research toward customer and application validation, but they do not by themselves establish commercial-scale production. QuantumScape's continuing challenge is to convert its cell research into a reliable, cost-effective, qualified automotive product manufactured at volume.
- 2025
QSE-5 B1 samples are shipped
[1]The supplied reference material states that QuantumScape begins shipping QSE-5 B1 samples and demonstrates the cells in a Ducati V21L motorcycle.
- 2024
Automotive prototype and volume-production agreement
[1]Volkswagen and QuantumScape present a prototype, and PowerCo and QuantumScape announce a planned volume-production pathway with an initial 40-gigawatt-hour annual target.
- 2024
QSE-5 B-sample is introduced
[1]QuantumScape reports specifications for its QSE-5 B-sample cell, including 21.6 watt-hours of cell energy, 844 watt-hours per liter, and 301 watt-hours per kilogram under stated test conditions.
- 2022
Solid-state battery performance announcement
[1]QuantumScape announces a battery it says can support a 650-kilometer range and a 15-minute charging time.
- 2020
QuantumScape becomes publicly traded
[1]The company merges with Kensington Capital Acquisition, obtains approximately $1 billion in financing, and lists on Nasdaq under QS.
- 2018
Volkswagen invests and production project is announced
[1]Volkswagen invests $100 million and becomes QuantumScape's largest shareholder. The companies also announce a joint project focused on preparing solid-state batteries for mass production.
- 2012
Work with Volkswagen begins
[1]QuantumScape begins working with Volkswagen on solid-state battery development for automotive applications.
- 2010
QuantumScape is founded
[1]Jagdeep Singh, Tim Holme, and Fritz Prinz establish QuantumScape to develop advanced rechargeable battery technology.
Products and positioning
QuantumScape positions itself as a developer of high-energy-density solid-state lithium-metal battery technology for electric vehicles, emphasizing faster charging, improved energy density, cycle life, and safety relative to conventional lithium-ion batteries.
Solid-state lithium-metal battery cell · 2024
QSE-5
QSE-5 is QuantumScape's planned commercial-product cell platform. The October 2024 B-sample was reported to deliver 21.6 watt-hours of measured cell energy at a C/5 discharge rate and 25 degrees Celsius. QuantumScape reported 844 watt-hours per liter of volumetric energy density and 301 watt-hours per kilogram of gravimetric energy density. The cell uses the company's lithium-metal anode and ceramic solid-state separator architecture and is intended for eventual electric-vehicle applications.
Battery technology platform
Solid-state lithium-metal battery technology
QuantumScape's core technology combines a lithium-metal anode with a ceramic solid-state separator. The separator is designed to prevent dendrites and avoid reacting with lithium, while an organic liquid electrolyte surrounds the cathode. The architecture is intended to improve energy density, charging performance, cycle life, and safety compared with conventional lithium-ion battery designs.
Controversies
2021
Scorpion Capital short-seller allegations
On April 15, 2021, hedge fund Scorpion Capital announced a short position in QuantumScape and accused the company of being a possible pump-and-dump scheme. The episode represented an investor dispute and public challenge to QuantumScape's technology and valuation claims; the supplied material does not identify a regulatory finding establishing the allegations.
2021
Class action lawsuit filed against QuantumScape
RM LAW announced that a class action lawsuit had been filed against QuantumScape Corporation on behalf of purchasers of its securities. According to the announcement, the complaint alleges that the company overstated the purported success of its solid-state battery technology and made materially misleading statements. These are allegations made in the lawsuit and are not a stated court determination.
Brand decisions
2024
Agree on a volume-production pathway with PowerCoStrategyBackground
QuantumScape sought an industrial route for scaling its solid-state battery technology beyond prototype production.
Action taken
Volkswagen's PowerCo and QuantumScape announced an agreement supporting volume production, with an initial target of 40 gigawatt-hours of annual battery capacity.
Aftermath
The agreement strengthened Volkswagen's role as QuantumScape's automotive and manufacturing partner, while actual commercialization remained dependent on technical validation and production scale-up.
2024
Introduce the QSE-5 B-sampleProduct launchBackground
QuantumScape needed to demonstrate progress from laboratory cells toward a cell design suitable for customer evaluation and eventual automotive qualification.
Action taken
The company introduced the QSE-5 B-sample and disclosed measured energy and energy-density results under specified test conditions.
Aftermath
The B-sample provided a defined prototype platform for subsequent sampling, testing, and manufacturing development.
2020
Merge with Kensington Capital AcquisitionM&ABackground
QuantumScape needed substantial capital to continue battery development and move toward automotive-scale commercialization.
Action taken
The company merged with the special-purpose acquisition company Kensington Capital Acquisition and became publicly traded on Nasdaq under QS.
Aftermath
The transaction provided approximately $1 billion in financing and gave QuantumScape access to public equity markets.
Financing received. Approximately $1 billion (2020 transaction)
Recent events
Reported
QuantumScape announces battery production-line plan[3]
QuantumScape announced plans for a 100 megawatt-hour solid-state battery production line for artificial intelligence data centers.
Reported
QuantumScape reports quarterly earnings[4]
QuantumScape posted quarterly earnings data, reporting a loss of $0.14 per share, which was $0.03 better than the consensus estimate of a $0.17 loss.
Reported
QuantumScape and Volkswagen agree on battery pilot-line joint venture[5]
QuantumScape announced an agreement with Volkswagen Group of America to select a location for their joint-venture solid-state battery pilot-line facility by the end of 2021. The companies contemplated Salzgitter, Germany, as the location.
Reported
Class action lawsuit filed against QuantumScape[2]
RM LAW announced that a class action lawsuit had been filed against QuantumScape Corporation on behalf of purchasers of its securities. The complaint alleges that the company overstated the purported success of its solid-state battery technology and made materially misleading statements; these are allegations, not a stated court determination.
Sources5 sources
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