Quantitative text analysis of circular economy policies for electric vehicle batteries in China: Focus on objectives and tools

IF 10 1区 环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL Journal of Cleaner Production Pub Date : 2025-04-10 Epub Date: 2025-02-17 DOI:10.1016/j.jclepro.2025.145021
Wenhao Sun , Shuhan Hu , Lei Shen
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中国电动汽车电池循环经济政策的定量文本分析:聚焦目标与工具
本研究采用主题提取和内容分析相结合的方法,对选取的电动汽车电池CE政策文本进行定量分析。主题提取是使用概率模型(如Latent Dirichlet Allocation, LDA)识别文档集合中潜在主题的过程(Blei et al., 2003)。它广泛应用于政策文本分析,揭示政策主题和重点,构建揭示政策发展阶段关系和演变的网络。根据政策数量和类型随时间的分布(见图2),中国电动汽车电池CE政策的发展可分为三个阶段:(1)2012-2014年:探索阶段,(2)2015-2017年:指导阶段,(3)2018-2023年:快速发展阶段。2012年,中央政策《节能与新能源汽车产业发展规划(2012-2020年)》在中国首次提到电动汽车电池回收。基于2012-2014年中国电动汽车电池CE政策的内容分析结果,我们提出了以下政策建议:结论利用LDA模型的文本挖掘结果,我们构建了一个“目标”和“工具”的二维分析框架,定量分析了2012- 2023年266份中央和地方各级不同阶段的电动汽车电池CE政策。我们的分析表明,中国电动汽车电池CE政策经历了探索(2012-2014)、指导(2015-2017)和快速发展(2018-2023)三个阶段,并越来越注重系统框架。绿色和平组织;中华环保联合会,2020;Li et al., 2021;Liu et al., 2023;新储能项目管理规范,2021;法规2023/1542,191 OJ L, 2023;O et al., 2010;钱,2024;Zhang et al., 2020;Zhang等,2023。有竞争利益的声明☒作者声明,他们没有已知的可能影响本文所报告工作的有竞争利益的财务利益或个人关系。感谢匿名审稿人为提高论文质量提出的宝贵建议。国家自然科学基金(批准号:42371310)资助;中国科学院国际合作局国际合作重点项目(批准号131551KYSB20210030)
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来源期刊
Journal of Cleaner Production
Journal of Cleaner Production 环境科学-工程:环境
CiteScore
20.40
自引率
9.00%
发文量
4720
审稿时长
111 days
期刊介绍: The Journal of Cleaner Production is an international, transdisciplinary journal that addresses and discusses theoretical and practical Cleaner Production, Environmental, and Sustainability issues. It aims to help societies become more sustainable by focusing on the concept of 'Cleaner Production', which aims at preventing waste production and increasing efficiencies in energy, water, resources, and human capital use. The journal serves as a platform for corporations, governments, education institutions, regions, and societies to engage in discussions and research related to Cleaner Production, environmental, and sustainability practices.
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