In 2022 QuantumScapesolid-state battery developer, has begun shipping the first prototypes of 24-layer solid-state batteries to OEMs and some automakers such as Volkswagen to test cell performance.
Tests carried out by PowerCo in the Salzgitter laboratory not only confirmed results obtained from QuantumScape experiments also confirmed the possibility of improved performance.
The American company continues to improve its product and recently published news about it. delivery of more productive prototypes – Alpha-2 elements, consisting of only 6 layers.
The US manufacturer’s roadmap for the development and scale-up of solid-state batteries for the electric vehicle sector is now at a turning point after four years of progress. “especially exciting” what led to the development patented ceramic separator, a key element for the production of single-layer, 10-, 16-layer and finally 24-layer cells.
With the latest prototypes Alpha-2 QuantumScape demonstrated that it has benefited from its know-how by integrating the strengths of each previous generation in only 6 layers, which significantly increases the energy density of the cells.
Plays a central role high load capacity of the cathode (i.e. measuring the amount of cathode active material contained in an electrode as a function of area) combined with “package” more efficient and functional, capable it is best to optimize the space and materials contained in the cage thanks to narrower internal fields, thinner current collectors and thinner design.
Each of these elements will be indicated in the final productafter completion of the prototype testing phase; Tim Holm, co-founder and CTO of QuantumScape, commented:
The improvements in energy density and power demonstrated by the Alpha-2 prototypes indicate that the QSE-5 can push the boundaries of solid-state battery performance. We continue to improve the performance and reliability of our anodeless solid-state battery by methodically completing our goals.
In addition to testing new prototypes, QuantumScape is working to commercialize QSE-5 B0 cells, refining the process. “Raptor” what will it be based on? large-scale production of new batteries, which should begin (on a small scale) this year.
At the same time, the American manufacturer intends to lay the foundation for industrial production of its solid-state electrolyte separator by improving the technological process. “Cobra”, by 2025.
Dr. Siva Sivaram, President and CEO of QuantumScape, said:
Delivery of Alpha 2 represents an important milestone on our path to commercialization; Customer feedback is the most important input into the product development cycle as it provides insight into areas for improvement and strengthens collaboration. The faster we can get new versions of the product into the hands of customers, the faster we can get into production. We are very excited about the initial results from Alpha-2 and are excited about the first elements of QSE-5, which we plan to produce later this year.
Source: HD Motori
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