SOLID

Brief description

The SOLID project aims to conduct an initial analysis of the current state of global battery value chains to provide a detailed evaluation of the potential opportunities available to industrial companies in North Rhine-Westphalia within a local ASSB value chain. This potential evaluation will be based both on existing work in the lithium-ion battery value chain and on the identification of transfer potential, particularly with regard to the production technologies used.

A key challenge is the trend toward very low drying chamber temperatures, which results in significant energy consumption. The project therefore aims to develop an innovative solution that addresses the drying chamber issue by optimizing a mini-environment. This concept is specifically tailored to the production requirements of solid-state batteries and aims to optimize energy-intensive conditions without compromising the quality and safety of the batteries. These innovations are of crucial importance for high-quality future production and product research in the field of solid-state battery manufacturing.

Furthermore, PFAS-free binder systems will be evaluated and optimized with regard to their applicability, specifically in the production of sulfide-based solid-state batteries. The binders will be evaluated in solid-state electrolytes at their current stage of development, and further development will be designed and implemented on a pilot basis using promising candidates.

The project follows a structured approach to establish a local value chain for the manufacturing of solid-state batteries (ASSB) in North Rhine-Westphalia.

The process is divided into a total of six work packages:

WP1: In WP 1, a comprehensive market analysis is conducted. This analysis aims to identify current trends and requirements in the ASSB sector and forms the basis for subsequent activities by highlighting relevant market developments and potential competitors.

In WP 2, a detailed competency analysis is performed of the companies in North Rhine-Westphalia involved in ASSB manufacturing. The goal is to assess the strengths and weaknesses of the regional industry and identify potential for future collaborations.

In WP 3, the technology assessment, existing technologies and manufacturing approaches for ASSB cells are systematically examined. This assessment makes it possible to identify both current technologies and innovative approaches, thereby creating a solid technological foundation for the development of new solutions.

In WP 4 and WP 5, the successful utilization of the local value chain is further specified.

• Work Package 4 focuses on the development of innovative production processes, with particular emphasis on the implementation of an innovative mini-environment system. This system is designed to meet the specific production requirements of ASSB manufacturing and to optimize energy efficiency. These processes are an example of how regional cooperation and technological synergies can be effectively leveraged.
• Work Package 5 focuses on material development, specifically the development and evaluation of PFAS-free binders in collaboration with Daikin. These innovation activities not only strengthen regional industry but also contribute to the creation of more environmentally friendly production methods.

WP 6 is dedicated to planning and preparing targeted measures for transferring the developed technological innovations into industrial value creation. The integration of the developed solutions into the existing production processes of regional companies is intended to increase their competitiveness while simultaneously promoting the sustainability of ASSB manufacturing.

The innovations being researched in the field of binder materials and mini-environments are intended to benefit both the scientific community and local industry. Through technology transfer initiatives, technological gaps are to be closed and companies connected to create a competitive battery manufacturing sector “Made in NRW.” In doing so, recommendations for action will be developed for industry in North Rhine-Westphalia that would cover the entire value chain.