The document discusses tesa Automotive Electronics solutions for battery applications in electric vehicles (EVs), hybrid electric vehicles (HEVs), and plug-in hybrid electric vehicles (PHEVs). It describes tesa products that provide insulation, wrapping, labeling, mounting, and securing of battery cells, modules, and packs. Key requirements for these applications include adhesion during temperature cycling, electrical insulation, flame retardancy, and identification tracing of individual battery components.

1. - 1 -
Battery applications – Making use of synergies
Automotive Battery Solutions
2016
tesa Automotive Electronics

2. - 2 -
 Comfort & Infotainment
 Multimedia systems
 Instrument clusters
 Switches and smart controls
 Components for ADAS
 Cameras, Antennas, Sensors, ECUs
 Battery
 EV, HEV, PHEV
 Ambient lighting
 Interior & Exterior
Market sub-segments – Actual definition
tesa Automotive Electronics
2016
tesa Automotive Electronics

3. - 3 -
Example: Lithium Ion battery for Audi EV
2016
tesa Electronics Introduction
tesa Automotive Electronics
 What are we talking about?

4. - 4 -
Manufacturing Process of EV batteries
Battery Cell Making Battery Pack OEM
• After coating and
cutting, Mylar/PI
bonding on
electrode tab
• During wrapping
anode & cathode:
end tabbing
• During packing, heat
spreading and
insulation are critical
• Identity certification
is key for tracking
battery qualification
• During Assembling,
anti shock and
permanent fixing are
needed
• Heat spreading and
insulation are also
needed
tesa Automotive Electronics
Battery Management System
2016
tesa Automotive Electronics

5. - 5 -
Battery – EV | HEV | PHEV
tesa Automotive Electronics
2016
tesa Automotive Electronics
Insulation sheet mounting General mounting assortment
Lead Applications Solutions
Battery cell fixation General/ Special mounting assortment
Cell wrapping (electrical insulation) Covering tapes
Battery labelling (identification) Laser label
Battery pack securing s/s strapping
Dampening of battery package BSR assortment

6. - 6 -
Automotive Electronics
Insulation sheet mounting between battery cells
 Main requirements
 Reliable peel adhesion after storage & cycling test
acc. to OEM norms
‐ Substrate? / Rough or even? / Flat or rippled?
‐ Temperature resistance -40 – 85°C
 Electrical insulation resistance (e.g. DIN IEC 60093)
 Dielectric strength
‐ PET provides high electrical breakdown voltage
 Thermal conductivity (e.g. X > 0,1 W/ mK)
 Flame retardancy (FMVSS 302)
 Focus products (Feature / Benefit…)
 General mounting / (Special mounting)
 Focus customers
 OEM
 Tier 1/ 2
Battery – EV | HEV | PHEV
2016
tesa Automotive Electronics

7. - 7 -
Automotive Electronics
Battery – Plug-in, hybrid, …
Cell/ Module wrapping (Electrical insulation)
 Main requirements
 Reliable peel adhesion after storage & cycling test
acc. to OEM norms
‐ Substrate? / Rough or even? / Flat or rippled?
‐ Temperature resistance -40 – 85°C
 Electrical insulation resistance (e.g. DIN IEC 60093)
 Dielectric strength
‐ PET provides high electrical breakdown voltage
 Thermal conductivity (e.g. X > 0,1 W/ mK) (?)
 Flame retardancy (FMVSS 302)
 Focus products (Feature / Benefit…)
 Covering tapes
 Focus customers
 OEM
 Tier 1/ 2
Dispenser
2016
tesa Automotive Electronics

8. - 8 -
Automotive Electronics
Battery – Plug-in, hybrid, …
Battery identification label
 Secure ID for Battery-Cell/ -Module for tracing purpose
 Main requirements
 Reliable peel adhesion after storage & cycling test
acc. to OEM norms
 Tamper Proof & Serialized
 Self destroyable when removal attempt
 Focus products (Feature / Benefit…)
 Laser label
1. Light weight
2. Simple operation process
3. Match the requirements of the OEMs
tesa Laser Label
2016
tesa Automotive Electronics

9. - 9 -
tesa Solution for Auto Battery
Tape application for Cable Mounting on Battery-Module
 Cable mounting
 Main purpose:
 Mounting cables to battery-cover
 Secure from the beginning over the whole
lifetime of the battery
 Key requirements:
‐ Flexible backing
‐ High peel adhesion to metal
‐ Secure fixation of cables
LV 312
2016
tesa Automotive Electronics