Company Filing History:
Years Active: 2025
Title: Chie Nakajima: Innovator in Lithium-Ion Battery Processing
Introduction
Chie Nakajima is a prominent inventor based in Kobe, Japan. She has made significant contributions to the field of lithium-ion battery processing, holding 2 patents that focus on innovative methods for recycling and improving the efficiency of waste battery treatment.
Latest Patents
One of her latest patents is a system for and method of processing waste lithium-ion batteries. This system includes a first aqueous solution generator that immerses an active material from the waste battery in water, subjecting it to carbon dioxide bubbling to generate an aqueous solution with a pH of 5.5 to 8.5, allowing lithium to be eluted. Additionally, it features a first solid-liquid separator to remove solid components and a first crystallizer that deposits lithium carbonate from the solution. Another patent focuses on a system that enhances heat treatment efficiency for large-sized waste lithium-ion batteries without the need for disassembly. This system utilizes a heater to treat the battery at temperatures below 400° C, effectively decomposing and removing the electrolyte solution.
Career Highlights
Chie Nakajima is associated with Kawasaki Jukogyo Kabushiki Kaisha, where she applies her expertise in battery technology. Her work has been instrumental in advancing methods for recycling lithium-ion batteries, contributing to environmental sustainability.
Collaborations
She collaborates with notable colleagues, including Fuminori Ando and Hiroaki Osawa, to further enhance the development of innovative battery processing technologies.
Conclusion
Chie Nakajima's work in lithium-ion battery processing exemplifies her commitment to innovation and sustainability. Her patents reflect a deep understanding of the challenges in battery recycling and offer practical solutions for the future.