Current status and future prospects of biochar application in electrochemical energy storage devices: A bibliometric review

Biochar has garnered significant attention across various fields due to its outstanding catalytic properties, making it a focal point in biochar development. This study employs Citespace software to perform a bibliometric analysis, elucidating the research hotspots and developmental trends of biochar in electrochemical energy storage devices. It visualizes the trends and research status of biochar within this context. A visual analysis network, encompassing national collaboration, institutional cooperation, and author levels, is established and categorized. Additionally, the visualization of cited documents and journal co-citation networks reveals the primary subject distribution and core journals in this domain. The main research content is identified through journal co-citation visualization. Keyword co-occurrence and burst analyses highlight current research hotspots and emerging frontiers. This comprehensive analysis explores the collaborative efforts and contributions of biochar in electrochemical energy storage devices, from individual researchers to institutions and countries, providing insights into its developmental status. The paper offers a detailed exposition, further organizing the development narrative of this field and clarifying its research hotspots and trends. The conclusions and outlooks presented can offer scholars a deeper understanding of biochar's role in electrochemical energy storage devices and guide future research directions in this area.