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  • Summary & Details

Environmental Impacts of Hydrothermal Acid Leaching of Lithium-Ion Battery Cathode Materials

リチウムイオン電池正極材料回収における水熱浸出法の環境影響評価

Detailed Information

Author(J)1) 張 政陽, 2) Muhammed Engha Isah, 3) 呉 盼盼, 4) 鄭 慶新, 5) 渡邊 賢, 6) 松八重 一代
Author(E)1) Zhengyang Zhang, 2) Muhammed Engha Isah, 3) Panpan Wu, 4) Qingxin Zheng, 5) Masaru Watanabe, 6) Kazuyo Matsubae
Affiliation(J)1) 東北大学, 2) 東北大学, 3) 東北大学, 4) 東北大学, 5) 東北大学, 6) 東北大学
Affiliation(E)1) Tohoku University, 2) Tohoku University, 3) Tohoku University, 4) Tohoku University, 5) Tohoku University, 6) Tohoku University
Abstract(J)使用済みリチウムイオン電池の都市鉱山採掘及びグリーンリサイクル技術の開発は,循環型社会の構築における重要な戦略である.本研究では,ライフサイクルアセスメントを用いて,ブラックマスからリチウム,コバルト,ニッケル及びマンガンを回収する新たな水熱有機酸浸出プロセスの環境影響を明らかにする.

Translation

Abstract(E)Urban mining and the development of green recycling technologies for spent lithium-ion batteries represent critical strategies for transitioning toward a circular economy. This research employs life cycle assessment (LCA) to quantify the environmental impacts of a newly developed hydrothermal organic acid leaching process for the recovery of lithium, cobalt, nickel, and manganese from black mass, with the aim of elucidating the environmental advantages of the proposed process compared to existing acid leaching processes.

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