Carbon4tank Hydrogen Vessel – 700 bar 350 L

by Voith Group

  • More miles and kilograms can be driven and transported by Carbon4Tank
  • Lighter and enable more hydrogen storage capacity than conventionally wound (wet filament winding) tanks
  • Highest quality according to automotive standards
  • Highest quality and safety by setting an optimum in CFRP layer
  • Hydrogen vessels for heavy commercial vehicles
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Carbon4tank Hydrogen Vessel – 700 bar 350 L

  • Transport more miles and goods, because of lighter tanks with more hydrogen capacity than others produced with conventional wet winding.
  • Cost-efficiency and best quality due to winding with our own developed towpreg material, an optimal material use, and sophisticatedly determined and set CFRP layers.
  • Supply of any lot size possible, by our industrialized smart production facility for a constant, economical, and high-quality production – Composites 4.0 principles.
  • Automotive quality standard thanks to more than 12 years of experience in production of complex CFRP structural parts for automotive and winding high-performance CFRP rolls.
  • Can be integrated into Voith´s complete (from tank nozzle to fuel cell inlet) ready-to-drive H_2 storage system – after installation, the vehicle is in less than 10 minutes ready to drive up to 1000km.
  • Subject to in-house and external safety tests CFRP material recycling concept – sustainability strategy since 2012.
  • Since 2022 in a partnership with a CFRP sustainability company for giving the thanks after 15 years a second life as a fully functional CFRP part for automotive.

Key features

  • Carbon4Tank are lighter tanks and have more H_2 capacity, which lead to more miles and transportation of more goods (in kg).
  • Economical use of material (towpreg) without any compromise in quality for best cost-performance ratio.
  • Highest quality and safety by setting an optimum in CFRP layer.
  • Complete ready-to-drive storage system with an easy installation available
  • Robust and flexible sealing concept – down to -60°C (-76° F)
  • Number of cycles: 11 000
  • Thread: 1 ¹/2 UNF
  • Design life: 15 years
  • Type of fueling: CHG
  • Material: Towpreg
  • Kern: PA6 Line

Hydrogen Vessels - Carbon4tank - Voith - 700bar


  • Hydrogen vessel for heavy duty trucks
  • Refueling and storage on hydrogen in stations
  • Long Distance or heavy Vehicles (busses, construction, and mining vehicles, agricultural vehicles).
  • Further applications (like Train or Maritime) are in development.

Contact us

  • Transport more miles and goods with light weight tanks from Voith. Interested? Please contact Voith by filling in the contact vendor form.
Weight190 kg
Dimensions219 cm
Diameter (in mm)

Type of Tank

Max Storage (in kg H2)

Nom. Oper. Pressure (in bar)

Volume Water equival. (in L)

Compliant with

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Manufacturing Readiness (MRL)

Technology Readiness (TRL)

Product Flyer

Product Flyer: Carbon4Tank

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      Voith Group

      The Voith Group is a global technology company. With its broad portfolio of systems, products, services and digital applications, Voith sets standards in the markets of energy, paper, raw materials and transport & automotive. Founded in 1867, the company today has around 21,000 employees, sales of € 4.9 billion and locations in over 60 countries worldwide and is thus one of the larger family-owned companies in Europe. Voith's DNA is “Sustainable technologies for future generations”. With its innovative developments, Voith is driving the decarbonization of industry and acting as a game changer and co-creator. In doing so, Voith has a broad portfolio of sustainable technology solutions and services that make it possible to reduce emissions in the customers' value chains, improve ecological performance, increase efficiency and thus reduce CO2 emissions.

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