Lithium-ion battery (LIB) applications in consumer electronics and electric vehicles are rapidly growing, resulting in boosting resources demand, including cobalt and lithium. So recycling of batteries will be a necessity, not only to decline the consumption of energy, but also to relieve the shortage of rare resources and eliminate the pollution of hazardous components, toward sustainable industries related to consumer electronics and electric vehicles. The authors review the current status of the recycling processes of spent LIBs, introduce the structure and components of the batteries, and summarize all available single contacts in batch mode operation, including pretreatment, secondary treatment, and deep recovery. Additionally, many problems and prospect of the current recycling processes will be presented and analyzed. It is hoped that this effort would stimulate further interest in spent LIBs recycling and in the appreciation of its benefits.
1 January 2021 in Science of The Total Environment
Plastic has become an integral part of our lives. Addressing the global environmental concerns of plastics requires a comprehensive analysis along the whole supply chain. Here, we provide a global trade-linked material flow analysis of plastics for the year 2022. Globally, 436.66 million tonnes (Mt) of plastics were traded in 2022, with final products alone accounting for 111 Mt. Our findings suggest that plastics are subject to geographical concentration, with feedstocks concentrated in oil-resource rich countries and processing in countries with large manufacturing capacity. Furthermore, there is a significant shift in waste disposal: incineration is emerging as a prominent waste disposal method (34%), landfill is decreasing substantially (40%), while the global recycling rate remained stagnant (9%). Income disparities among countries diminish in the context of plastic waste imports, reshaping the global plastics trade patterns. Uncovering the complex plastic supply chain is crucial for reducing pollution and promoting sustainable plastic management.
4 April 2018 in Environmental Science & Technology