Company Filing History:
4 out of 12 
2 out of 72 
Years Active: 2021-2025
Title: Mahmood Alemrajabi: Innovator in Battery Recycling Technologies
Introduction
Mahmood Alemrajabi is a prominent inventor based in Stockholm, Sweden. He has made significant contributions to the field of battery recycling, holding a total of 4 patents. His innovative approaches focus on the recovery of valuable materials from used batteries, which is crucial for sustainable energy solutions.
Latest Patents
Alemrajabi's latest patents include a groundbreaking process for the recovery of cathode materials in the recycling of batteries. This process involves the removal of aluminum and iron from rechargeable batteries by providing a leachate from black mass, adding phosphoric acid, and adjusting the pH to form iron phosphate and aluminum phosphate. The formed compounds are then precipitated and removed, allowing for the recovery of cathode metals, primarily NMC-metals and lithium.
Another notable patent is his process and method for producing crystallized metal sulfates. This involves crystallizing a metal sulfate from an aqueous solution, separating the crystallized product from the mother liquor, and converting uncrystallized metal sulfate into a basic metal salt. The resulting crystallized metal sulfate can be of battery-grade or electroplating-grade quality.
Career Highlights
Throughout his career, Alemrajabi has worked with leading companies in the industry, including Northvolt AB and Hatch Ltd. His experience in these organizations has allowed him to refine his expertise in battery technology and recycling processes.
Collaborations
Alemrajabi has collaborated with notable professionals in his field, including Robert John Fraser and Evangelos Stamatiou. These partnerships have contributed to the advancement of his innovative projects and patents.
Conclusion
Mahmood Alemrajabi is a key figure in the development of sustainable battery recycling technologies. His patents and career achievements reflect his commitment to innovation in this critical area. His work not only enhances the efficiency of battery recycling but also supports the broader goal of environmental sustainability.