JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 35

FEATURE
pressure vessels
Enabling superior storage efficiency for
type 4 tanks with FPP dome reinforcements
Composite pressure vessels (PVs) are the key storage system for
hydrogen-powered mobility. Automation specialist Cevotec has
developed an industrial solution that, in combination with the
established filament winding (FW) process, improves the material
efficiency significantly by reducing the composite fibre material
consumption of a tank approx. 15% or more while simultaneously
increasing the available storage capacity.
One of the challenges is to efficiently
and safely store hydrogen for mobility
applications. H2
is typically stored in
T
he number of countries committing
to emission neutrality by
2050 is growing.
Deploying hydrogen (H2
) as an energy
carrier is a promising approach to
achieve this goal, especially for the
transportation sector. Fuel cell electric
vehicles (FCEV), in particular
for long-haul transport systems such
as trucks, buses and trains, as well as
hydrogen-related aircraft programmes,
are on the rise.
Type 4 pressure vessels, which have a
very high consumption of carbon fibre
material due to their working pressure
of up to 700 bar.
This negatively influences the production
costs of hydrogen pressure vessels,
with carbon fibres representing over
50% of the total tank costs.
To decrease the material consumption,
Cevotec developed an industrial automation
solution to reinforce the domes
Tank reinforcement
with FPP technology
PVs are typically manufactured by
winding filaments of impregnated fibres
around a polymer liner with different
principal fibre orientations, as shown in
Figure 2.
The primary stresses in the tank laminate
are in the circumferential and longitudinal
directions, which are covered
by the hoop and low-angle helical layers
(LAHL).
The high-angle helical layers (HAHL)
significantly absorb the stresses that
occur in the boundary area. In the cylindrical
region, however, the fibre orientation
of the HAHLs deviates from
the main stress direction, so only a small
fraction of their load-bearing capacity
is used. Due to the continuous winding
process, however, they cover the whole
tank and not just the dome area, which
leads to a considerable amount of inefficiently
used fibre material.
Fig. 1: Laminate reinforcement of filament-wound pressure tanks ©
Cevotec
As a solution, the HAHLs can be replaced
by local dome reinforcements.
The reinforcements only contribute to
the dome area, as shown in Figure 3,
while the cylindrical part is then covered
only by the hoop windings and LAHLs.
N°147 September - October 2022 / jec composites magazine
35
of pressure vessels, using Fibre Patch
Placement (FPP) technology.
Feature Automotive

JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022

Cover
Edito
Creating the interior of “The most beautiful building in the world”
Contents
NEWS
In brief
Agenda
Perspectives - Creating a forum to work together
Opening - New fibreglass factory in the heart of Central Asia
BUSINESS
Graphene - Effectiveness of graphene nano-platelets in composites
Carbon fibre - Sinopec intends to lead by example in China
Glass fibre - China promotes the use of glass fibre in construction
MANUFACTURING
Additive manufacturing - Towards a digital twin of UD tapes for automated fibre placement
Testing - Optical data rectification and ML-aided impedance analysis for quality assurance of carbon fibre
FEATURE AUTOMOTIVE: How are composites driving the future of automotive?
- Transportation - Thermoplastic composites: the path towards zero CO2 emissions in transport
- Compounding: Cutting-edge FDC technology reduces costs and CO2 emissions
- Pressure vessels: Enabling superior storage efficiency for Type 4 tanks with FPP dome reinforcements
- Battery: A new generation of battery packs with a recyclable epoxy SMC casing
- Lightweighting: Serial CFRTP structural part for BMW body-in-white application
- Natural fibre: Towards lightweight flax fibre-reinforced automotive headliners
SOLUTION
Sustainability - Upcycling gives a boost to coffee waste management
Defence - On field applications with composites
TECHNOLOGY
Ceramic: Cerapreg – a new concept for cost-effective reinforced ceramic composites
Index
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JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Cover
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 2
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Edito
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Creating the interior of “The most beautiful building in the world”
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 5
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Contents
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 7
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - In brief
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Agenda
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Perspectives - Creating a forum to work together
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Opening - New fibreglass factory in the heart of Central Asia
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 12
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 13
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Graphene - Effectiveness of graphene nano-platelets in composites
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 15
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 16
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Carbon fibre - Sinopec intends to lead by example in China
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 18
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 19
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Glass fibre - China promotes the use of glass fibre in construction
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 21
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 22
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Additive manufacturing - Towards a digital twin of UD tapes for automated fibre placement
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 24
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Testing - Optical data rectification and ML-aided impedance analysis for quality assurance of carbon fibre
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 26
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 27
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 28
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 29
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - - Transportation - Thermoplastic composites: the path towards zero CO2 emissions in transport
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 31
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - - Compounding: Cutting-edge FDC technology reduces costs and CO2 emissions
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 33
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 34
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - - Pressure vessels: Enabling superior storage efficiency for Type 4 tanks with FPP dome reinforcements
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - - Battery: A new generation of battery packs with a recyclable epoxy SMC casing
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 37
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 38
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 39
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - - Lightweighting: Serial CFRTP structural part for BMW body-in-white application
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 41
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 42
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 43
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 44
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - - Natural fibre: Towards lightweight flax fibre-reinforced automotive headliners
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 46
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 47
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Sustainability - Upcycling gives a boost to coffee waste management
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 49
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Defence - On field applications with composites
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 51
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Ceramic: Cerapreg – a new concept for cost-effective reinforced ceramic composites
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 53
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - Advertisers
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 55
JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 56
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