LeydenJar Techologies

Last updated
LeydenJar Technologies B.V.
Company type Private
Industry Batteries
Founded2016 in Leiden, the Netherlands
FounderChristian Rood, Gabriel de Scheemaker
Headquarters
Leiden
,
Netherlands
Key people
Christian Rood, Ashley Cooke
Productsbattery anodes
Number of employees
90

LeydenJar Techologies B.V. is a deep tech company that specializes in solutions for batteries and electric power use. It was founded in 2016 and is based in Leiden, the Netherlands.

LeydenJar Technologies was founded in 2016 as a spin-off of Dutch scientific research organisation TNO. [1] The name LeydenJar stems from the 18th century Leyden Jar technology that preceded the battery and which was invented in Leiden.

Originally, LeydenJar Technologies was working on a technology to deposit silicon as plasma for solar cells, but this wasn't successful. The technology did, however, work very well to make anodes for lithium-ion batteries. Batteries made this way can store 50-70 % more energy than regular ones of the same type and size. Because this technology involves just one step instead of four to produce battery anodes, it takes 60-85 % less energy to make the product. [2] [3]

Application of such batteries can vary from consumer electronics to EV's and even airplanes. In order to produce these new battery anodes, LeydenJar Technologies has planned a production facility in Eindhoven, the area in the Netherlands where high-tech industry sector is concentrated. Thanks to an investment of 23 million euros (US$26.7 million), the company is building this factory, which should be ready in 2027. [1]

In October 2025, LeydenJar Technologies has reached an agreement with the Chinese battery manufacturer Highpower Technology, for production of batteries with LeydenJar anodes. Those will be shipped as OEM parts from the Netherlands to China. [4]

References

  1. 1 2 Finelli, Donato (10 September 2025). "LeydenJar haalt miljoenen binnen voor batterijfabriek: 'Wij zijn uniek in wat we doen'" [LeydenJar raises millions for battery factory: 'We are unique in what we do']. BNR.nl (in Dutch).
  2. ↑ Seijlhouwer, Marc (23 July 2020). "Nederlandse batterij met 70 procent meer energie trekt aandacht van auto-industrie" [Dutch battery with 70 percent more energy attracts attention from the automotive industry]. change.inc (in Dutch).
  3. ↑ "LeydenJar haalt investering binnen voor doorbraak in batterijtechnologie" [LeydenJar secures investment for breakthrough battery technology]. Holland High Tech (in Dutch). 12 September 2025.
  4. ↑ Wismans, Laura (2 October 2025). "Superbatterij van Leids bedrijf LeydenJar gaat in massaproductie" [Leiden company LeydenJar's superbattery goes into mass production]. nrc.nl (in Dutch).
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