Advances in Recycling and Upcycling of Spent Lithium-Ion Batteries

A special issue of Batteries (ISSN 2313-0105). This special issue belongs to the section "Battery Processing, Manufacturing and Recycling".

Deadline for manuscript submissions: 25 July 2025 | Viewed by 246

Special Issue Editors


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Guest Editor
Program of Materials Science and Engineering, University of California, La Jolla, San Diego, CA 92093, USA
Interests: lithium-ion batteries; recovery; battery recycling; fast charging; electrolyte design

E-Mail Website
Guest Editor
Wildcat Discovery Technologies, San Diego, CA 92121, USA
Interests: lithium-ion batteries; battery recycling; battery cathode materials; grain boundary; ceramics sintering

Special Issue Information

Dear Colleagues,

The rapid increase in demand for lithium-ion batteries (LIBs) for use in consumer electronics and electric vehicles (EVs) has led to serious concerns regarding the materials and environmental sustainability of wasted LIBs. Despite the benefits of enhanced LIB deployment, such as the lowering of carbon dioxide emissions and a reduction in the reliance on fossil fuels, spent LIBs containing metal elements (Li, Co, Ni, Mn) and flammable organic electrolytes are harmful to the environment if not disposed of or treated properly. It is therefore essential to develop an effective waste management plan for end-of-life LIBs that can mitigate environmental risks while also effectively recycling valuable materials.

Therefore, this Special Issue focuses on advancements in the recycling of battery materials by highlighting innovative spent battery material separation processes, advanced resource regeneration technologies, the direct recycling of battery electrode materials, the modeling and analysis of economic and environmental impacts, and novel designs that enhance the sustainability of batteries and the integration of a circular economy.

Dr. Hongpeng Gao
Dr. Qizhang Yan
Guest Editors

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Keywords

  • end-of-life electrical vehicle
  • lithium-ion battery
  • recycling
  • upcycling
  • sustainability

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Published Papers (1 paper)

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Research

16 pages, 3545 KiB  
Article
Effects of Ultrasonic Pretreatment on the Discharge for Better Recycling of Spent Lithium-Ion Batteries
by Weichen Yang, Zheng Tong, Hezhan Wan, Shuangyin Jiang, Xiangning Bu and Lisha Dong
Batteries 2025, 11(2), 56; https://doi.org/10.3390/batteries11020056 - 2 Feb 2025
Viewed by 215
Abstract
Discharge treatment is a vital process in the pretreatment of spent lithium-ion batteries (LIBs). This paper focuses on the effects of ultrasonic pretreatment on the discharge of spent LIBs from the perspective of electrolyte concentration and ultrasonic power. By integrating characterizations such as [...] Read more.
Discharge treatment is a vital process in the pretreatment of spent lithium-ion batteries (LIBs). This paper focuses on the effects of ultrasonic pretreatment on the discharge of spent LIBs from the perspective of electrolyte concentration and ultrasonic power. By integrating characterizations such as pH measurement and X-ray fluorescence (XRF), the effect of ultrasonic pretreatment on the discharge of spent LIBs is evaluated. Experimental results show that sodium chloride (NaCl) solution and potassium chloride (KCl) solution have a more significant and better discharge efficiency (DE) under ultrasonic treatment, while organic electrolyte solutions which mainly contain formate and acetate generally show a less ideal DE. Under experimental conditions of using electrolyte discharge solutions with various electrolyte concentrations with the same ultrasonic power of 300 W, the DE generated from the experimental condition with KCl solution in 30 g/200 mL deionized water is the highest, 64.9%; under different ultrasonic powers in the same electrolyte solutions, the DE of 10 wt.% HCOONa solution is the highest at ultrasonic power of 500 W, at 4.7%. This work provides a reference for the efficient and cost-effective pretreatment of spent LIBs and the discharge mechanism in different electrolyte solutions with ultrasonic treatment is also explored to support the recycling of spent LIBs. Full article
(This article belongs to the Special Issue Advances in Recycling and Upcycling of Spent Lithium-Ion Batteries)
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