Jianjun Ouyang

Title: Innovations by Jianjun Ouyang in Battery Waste Recycling

Introduction

Jianjun Ouyang is a notable inventor based in Yiyang, China, recognized for his contributions to the field of battery waste recycling. With a total of six patents to his name, Ouyang has developed innovative methods that address the challenges associated with the recovery of valuable materials from ternary battery wastes.

Latest Patents

Ouyang's latest patents include a manganese-lithium separation process and a pre-extraction solution preparation process aimed at the comprehensive recovery of ternary battery wastes. This method involves separating cobalt and nickel ions from an impurity-removed solution using a hydrolysis method. The process ensures that manganese and lithium ions are not subjected to extraction procedures, allowing for the effective removal of manganese ions through a wet method before extraction. Additionally, nickel ions are managed without full extraction, leading to the direct precipitation of nickel hydroxide after impurities are removed. Another significant patent involves a method for disassembling and separating waste lithium-ion batteries, which utilizes water and electricity to efficiently recover materials without discharging the batteries.

Career Highlights

Throughout his career, Jianjun Ouyang has worked with various companies, including Hunan Jin Yuan New Materials Joint Stock Company Limited. His work has significantly advanced the field of battery recycling, contributing to more sustainable practices in material recovery.

Collaborations

Ouyang has collaborated with notable colleagues, including Xunbing Liu and Xijuan Liu, enhancing the impact of his research and innovations in the industry.

Conclusion

Jianjun Ouyang's innovative approaches to battery waste recycling demonstrate his commitment to sustainability and material recovery. His patents reflect a significant advancement in the field, paving the way for more efficient recycling processes.