Achieving a Sustainable Economy with Digital Product Passports
• On the other hand , companies can query comparable sustainability information from the Sustainability Knowledge Base and thus expand and validate their digital product passports .
USE CASE VALIDATION AND APPLICABILITY
The previously described concepts are discussed here and evaluated for two use cases involving a Li-ion battery supply chain in the automotive industry ( see Figure 5-1 ). The first use case describes the derivation and flow of information between DPPs , products and processes . The second use case is about the description of supply chains with DPPs .
Figure 5-1 : Li-ion battery supply chain .
There are various ways of deriving information for or from DPPs , as presented below . The relevant concepts for these conclusions are shown in a simplified form in Figure 5-2 . The DPPs can be extended with information from the Supplier Knowledge Base . In the opposite direction , information can be obtained from the DPPs and their hierarchical structure to expand the Supplier Knowledge Base . A supplier needs to integrate its DPP management into the classic inhouse Bill of Materials ( BOM ) and Bill of Process ( BOP ) management with version control of products .
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