JEC COMPOSITES MAGAZINE - Issue #147 - September/October 2022 - 38

FEATURE
battery
A new generation of battery packs
with a recyclable epoxy SMC casing
An impact-resistant, yet lightweight, battery pack using an
aluminium sandwich plate and glass fibre-reinforced epoxy
SMC composites was developed by a consortium founded in
2019 including Lorenz Kunststofftechnik GmbH.
Peter ooMS,
Managing Director
Sarah Kindt,
Marketing & Human Resources
Lorenz Kunststofftechnik GmbH
F
aster, further, more effi cient: Developers
of e-vehicles and plug-in hybrids
are aiming ever higher. Th e key element
of these eff orts is the batt ery. On the
one hand, it must be as ergonomic as possible
to meet the increasing demands, but
on the other hand, it must also have various
safety-relevant properties as deformations
or penetrating debris, such as they occur in
accidents but also on uneven road surfaces,
can trigger short circuits and dangerous fi res
that are diffi cult to extinguish. However, the
materials that provide suffi cient protection
for the batt ery packs are oft en relatively
heavy, which in turn has a negative impact
on consumption and vehicle range. Th e
new Pure Performance Batt ery now aims to
solve this dilemma. A consortium consisting
of companies from the automotive and
mechanical engineering industries as well as
from the chemical and plastics sectors, including
Lorenz Kunststofft echnik GmbH,
optimized the performance and resistance
of proven high-voltage batt ery packs. Th e
new Pure Performance Batt ery features a
space-saving aluminium sandwich plate
that prevents damage during ground impact
and increases integration capability. Th e
glass fi bre-reinforced epoxy SMC casing
off ers high fi re resistance and optimal crash
performance while also being a fully integrated
package solution.
38
jec composites magazine / N°
Genesis
Back in 2019, Lorenz Kunststofft echnik
GmbH joined forces with Vestaro GmbH,
Forward Engineering GmbH, Evonik Resource
Effi ciency GmbH and LION Smart
GmbH to form a development consortium,
which was joined by Minth GmbH in 2021.
Drawing on the accumulated expertise of
its member companies, the group initially
designed a cost-eff ective glass fi bre-epoxy
SMC cover for high-voltage batt eries based
on Evonik's high-performance epoxy curing
agent Vestalite® S. At that time, Lorenz
Kunststofft echnik GmbH was already able
to achieve a weight reduction of almost 10%
for the batt ery housing compared to previous
systems made of more cost-intensive materials.
In addition, the state-of-the-art SMC materials
allow complex geometries to be produced
in a one-step process, making them
ideal for semi-integral ergonomic design.
Now, the partner companies have successfully
developed a new generation of high-performance
batt ery packs for electromobility.
Aluminium sandwich plate improves
performance and vehicle integration
In most e-vehicles, the batt ery pack is located
in the fl oor area in order to improve the
centre of gravity and thus the driving performance,
but also to provide more space
in the vehicle cabin. However, this design
increases the risk of dangerous batt ery
damage due to impact situations or objects
hitt ing the underside of the vehicle, such as
loose stones or branches. Th erefore, special
protective measures must be taken to prevent
deformation or the ingress of foreign
objects. Th e bott om-impact use case and
the vehicle integration are two major challenges
for today's batt ery packs. Th is is why
the main focus in developing the new generation
of performance batt ery packs lay on
these two aspects. To fulfi ll the stringent
requirements, the consortium designed a
novel approach that takes maximum advantage
of the design freedom of the proven
SMC material.
Fig. 1: The new
Pure Performance
Battery features a
space-saving aluminium
sandwich
plate that prevents
damage during
ground impact and
increases integration
capability
(source: Lorenz
Kunststofftechnik
GmbH)
147 September - October 2022

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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