期刊
ACS APPLIED MATERIALS & INTERFACES
卷 12, 期 46, 页码 51546-51554出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c15704
关键词
lithium-ion batteries; recycling; direct regeneration; lithium manganese oxide; life-cycle analysis; sustainability
资金
- US National Science Foundation [CBET-1805570]
- U.S. Department of Energy (DOE) via the ReCell Center
- Jacob School of Engineering at UC San Diego
- Scientific User Facilities Division, Office of Basic Energy Sciences (BES)
- Center for Synthetic Control Across Length-Scales for Advancing Rechargeables (SCALAR), an Energy Frontier Research Center - US DOE, Office of Science, BES [DESC0019381]
Due to the large demand of lithium-ion batteries (LIBs) for energy storage in daily life and the limited lifetime of commercial LIB cells, exploring green and sustainable recycling methods becomes an urgent need to mitigate the environmental and economic issues associated with waste LIBs. In this work, we demonstrate an efficient direct recycling method to regenerate degraded lithium manganese oxide (LMO) cathodes to restore their high capacity, long cycling stability, and high rate perform ance, on par with pristine LMO materials. This one-step regeneration, achieved by a hydrothermal reaction in dilution Li-containing solution, enables the reconstruction of desired stoichiometry and microphase purity, which is further validated by testing spent LIBs with different states of health. Life-cycle analysis suggested the great environmental and economic benefits enabled by this direct regeneration method compared with today's pyro- and hydrometallurgical processes. This work not only represents a fundamental understanding of the relithiation mechanism of spent cathodes but also provides a potential solution for sustainable and closed-loop recycling and remanufacturing of energy materials.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据