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High-voltage system - General information - Edition 02.2021
6
High-voltage battery
⇒ h6.1 igh-voltage battery”, page 26
⇒ b6.2 attery handling and storage”, page 33
⇒ h6.3 igh-voltage batteries”, page 34
⇒ c6.4 ritical high-voltage batteries with Warning status”, page
54
⇒ i6.5 nformation on opening and bonding high-voltage batter‐
ies”, page 77
6.1
Classifying high-voltage battery
⇒ o6.1.1 f classifying lithium-ion high-voltage batteries”, page
26
⇒ o6.1.2 f lithium-ion high-voltage batteries with aid of ODIS”,
page 30
6.1.1
Fundamentals of classifying lithium-ion
high-voltage batteries
Classifying lithium-ion batteries
The lithium-ion high-voltage batteries that Volkswagen installs
in electric and hybrid vehicles are highly complex components
and systems that may not be immune to defects, failure or
partial failure over the course of their service life.
Lithium-ion high-voltage batteries can also suffer damage in
traffic accidents.
Since lithium-ion high-voltage batteries are deemed to be haz‐
ardous materials on account of the substances inside them, the
respective battery condition plays a decisive role in how high-
voltage batteries are handled during service operations and the
workshop process.
This applies in particular to:
♦ The qualification requirements of service employees (EIP,
HVT, HVE)
♦ The repairability of the lithium-ion high-voltage battery
♦ The transport and packaging process for lithium-ion high-
voltage batteries
♦ The quarantine arrangements and reporting processes nec‐
essary in special cases
Rating and assessment criteria during classification
To determine whether and to what extent the lithium-ion high-
voltage battery poses a higher level of danger, it must be sub‐
ject to classification.
26
Rep. gr.93 - Electric drive systems
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