Company Filing History:
Years Active: 2022-2025
Title: Inventor Profile: Emma Nehrenheim
Introduction
Emma Nehrenheim is a distinguished inventor based in Stockholm, Sweden, who has made significant contributions to the field of battery recycling. With two patents to her name, Emma is at the forefront of innovations that aim to enhance the sustainability of battery materials through advanced recycling processes.
Latest Patents
Emma's latest patents focus on the recovery of cathode materials from rechargeable batteries. The first patent describes a process for the removal of aluminum and iron in the recycling of these batteries. This innovative technique involves providing a leachate from black mass, adding phosphoric acid (HPO), and adjusting the pH to create iron phosphate (FePO) and aluminum phosphate (AlPO). The formed FePO and AlPO are then precipitated and removed, resulting in a filtrate that allows for the further recovery of crucial cathode metals, primarily NMC-metals and lithium.
The second patent also addresses the recovery of cathode materials by utilizing the same foundational process. It emphasizes the importance of efficiently separating aluminum and iron to improve the overall effectiveness of battery recycling.
Career Highlights
Emma Nehrenheim currently works at Northvolt AB, a company dedicated to developing sustainable battery solutions. Her expertise and innovative approach have positioned her as a leader in the field, contributing to important advancements in battery recycling technologies.
Collaborations
Throughout her career, Emma has collaborated with talented professionals, including Mahmood Alemrajabi and Ingrid Karlsson. Together, they work to further develop methods for recycling and recovering valuable materials from batteries, enhancing the ecological sustainability of these technologies.
Conclusion
Emma Nehrenheim's contributions to battery recycling through her patents reflect her commitment to innovation and sustainability. As she continues to refine her processes at Northvolt AB, her work stands as a testament to the importance of advancing technology in the pursuit of environmental responsibility. Emma's inventions not only showcase her skills as an inventor but also highlight the potential for innovation in creating a more sustainable future.