Amit Kumar | A Circular Economy for Electric Vehicle Batteries

It’s a complex challenge to figure out how to minimize logistical costs and maximize the value recovery from used batteries. In a new paper, Amit Kumar and his colleagues at Hitachi America put forth a value optimization approach that provides innovative ways of bringing about a circular economy for EV batteries.

The team created an advanced digital solution framework, combining innovative analytical models and a trusted data platform. This framework enabled them to provide transparency and traceability among different stages in the circular economy. The framework also provided data-driven insights into how to improve operational efficiency.

The optimization approach features five key principles. The first – safety – involves ensuring that batteries are handled with utmost care during each stage of their cycle, including removal, storage, transport, and recycling. The second – regulatory compliance – helps guarantee that used batteries are managed as per hazardous material regulations all along the way.

The third principle involves carbon footprint reduction. The carbon footprint of recycled materials can be up to 38% smaller than those of primary raw materials, so a circular economy can help EV manufacturers reach and keep their carbon footprint pledges.

The fourth principle helps address consumer concerns about the quality of recycled materials and second-life batteries, and the fifth principle involves closely monitoring revenue & costs to ensure that the circular business model is profitable overall.

Kumar’s team calculates that when these principles are followed, the average transportation costs of used batteries could drop by up to 44%. The value recovery from used batteries could also increase by up to 60%. The researchers hope that their approach could go far in helping to design and maintain a circular economy for EV batteries, making electric vehicles all the more sustainable, for the health and future of our planet.