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Circular Economy 2022, 1(2): 100013 https://doi.org/10.1016/j.cec.2022.100013
Original Research | Open Access | Issue | Published: 21 September 2022

Comparative analysis of recycling modes of power batteries based on extended producer-responsibility principle

Show Author's Information Shuyuan Chena,  Mengjun Chena( ),  Jiancheng Shua,  Yi Denga,b
Key Laboratory of Solid Waste Treatment and Resource Recycle (SWUST), Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, China
Solid Waste and Chemical Management Technology Center of the Ministry of Ecological Environment, Beijing 100000, China
Keywords:
Sensitivity analysis, Waste power batteries, Recycling mode, Extended producer-responsibility principle, Profit analysis
Cite this article:
Chen S, Chen M, Shu J, et al. Comparative analysis of recycling modes of power batteries based on extended producer-responsibility principle. Circular Economy, 2022, 1(2): 100013. https://doi.org/10.1016/j.cec.2022.100013
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Abstract Full text Electronic supplementary material About this article

To improve the effectiveness of recycling, echelon utilization, and recovery mechanism of waste power batteries (WPBs), 12 recycling modes were proposed based on extended producer-responsibility principle. By employing profit and sensitivity analyses, we found that resource-recovery companies (Rs) are the key for recycling, echelon utilization, and recovery mechanism. For R, the high resale price of waste LiNixMnyCo1−x−yO2 batteries was not conducive to recovering waste batteries. However, the recycling behavior of R was beneficial for resisting the risk of high resale price of waste LiNixMnyCo1−x−yO2 batteries. This condition increased the profits by saving on the buying cost and reselling of WPBs to echelon-utilization companies. Following the decrease in the number of recyclers in the recycling system, the profits of R also increased. However, when the proportion of recycled waste LiNixMnyCo1−x−yO2 batteries was 100%, the profits of R faced risks due to the high resale price of waste LiNixMnyCo1−x−yO2 batteries. For other recyclers, only the power-battery manufacturers (Ms) were willing to reduce the resale price of waste LiNixMnyCo1−x−yO2 batteries to let R earn profit because R supplied regenerated materials to M at a lower price than the material companies. This condition created a cycle for WPB recovery and reduced the use of raw materials. Thus, Mode M–R was considered as the optimal recycling mode.


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About this article

Comparative analysis of recycling modes of power batteries based on extended producer-responsibility principle

Show Author's information Shuyuan Chena, Mengjun Chena( ), Jiancheng Shua, Yi Denga,b
Key Laboratory of Solid Waste Treatment and Resource Recycle (SWUST), Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, China
Solid Waste and Chemical Management Technology Center of the Ministry of Ecological Environment, Beijing 100000, China

Abstract

To improve the effectiveness of recycling, echelon utilization, and recovery mechanism of waste power batteries (WPBs), 12 recycling modes were proposed based on extended producer-responsibility principle. By employing profit and sensitivity analyses, we found that resource-recovery companies (Rs) are the key for recycling, echelon utilization, and recovery mechanism. For R, the high resale price of waste LiNixMnyCo1−x−yO2 batteries was not conducive to recovering waste batteries. However, the recycling behavior of R was beneficial for resisting the risk of high resale price of waste LiNixMnyCo1−x−yO2 batteries. This condition increased the profits by saving on the buying cost and reselling of WPBs to echelon-utilization companies. Following the decrease in the number of recyclers in the recycling system, the profits of R also increased. However, when the proportion of recycled waste LiNixMnyCo1−x−yO2 batteries was 100%, the profits of R faced risks due to the high resale price of waste LiNixMnyCo1−x−yO2 batteries. For other recyclers, only the power-battery manufacturers (Ms) were willing to reduce the resale price of waste LiNixMnyCo1−x−yO2 batteries to let R earn profit because R supplied regenerated materials to M at a lower price than the material companies. This condition created a cycle for WPB recovery and reduced the use of raw materials. Thus, Mode M–R was considered as the optimal recycling mode.

Keywords: Sensitivity analysis, Waste power batteries, Recycling mode, Extended producer-responsibility principle, Profit analysis

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Publication history

Received: 17 July 2022
Revised: 21 August 2022
Accepted: 30 August 2022
Published: 21 September 2022
Issue date: December 2022

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© 2022 The Author(s). Published by Elsevier B.V. on behalf of Tsinghua University Press.

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Acknowledegments

This research was supported by the National Natural Science Foundation of China (Grant No. 51974262).

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This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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