Regenerating spent LiFePO4 with tailored molecular groups: from bulk lattice repair to surface conductive coating for enhanced cycling stability

Yi Chen, Xizhuo Chen, Zihao Zeng, Wei Sun, Yue Yang and Peng Ge

Chem. Sci., 2026
DOI: 10.1039/D6SC01492E

Recycling of spent lithium-ion batteries via the hydrothermal process

Yafei Shen

Green Chem., 2025, 27, 15403
DOI: 10.1039/D5GC04598C

Efficient direct regeneration of spent LiFePO4 from various degradation states for sustainable battery recycling

Jintao Zhang, Song Lin Zhang, Nguk Neng Tham, Hui Ru Tan, Wanwan Wang, Yi Ren, Qing Wang and Zhaolin Liu

Chem. Commun., 2025, 61, 8375
DOI: 10.1039/D5CC01308A

A review on the insights into redox-based regeneration strategies for LiFePO4 batteries

Junhui Cai, Yanjuan Li, Shengnv Xu, Yiran Li, ZhanZhan Wang, Jie Liu, Shun Yang and Xiao Yan

Nanoscale, 2025, 17, 12048
DOI: 10.1039/D4NR04671D

From direct regeneration to upcycling: recycling of spent LiFePO4 cathodes

Mingze Li, Xinyu Dai, Ran Bi, Fangxi Xie and Lei Zhang

J. Mater. Chem. A, 2026, 14, 9772
DOI: 10.1039/D5TA09906D

Thermal-overdischarge coupling induced aging mechanisms in LiFePO4 batteries: insights from multi-scale electrochemical and material diagnostics

Rui Tang, Yuelei Xu, Jinyang Dong, Qi Shi, Kang Yan, Yibiao Guan, Yun Lu, Yu Su, Jinzhong Liu, Fangze Zhao, Yi Jin, Ning Li, Yuefeng Su, Feng Wu and Lai Chen

Applied Energy, 2025, 401, 126870
DOI: 10.1016/j.apenergy.2025.126870

Medium-entropy-induced in-situ surface spinel phase towards stable Co-free Li-rich cathode material

Jiaming Miao, Qile Duan, Piluan Li, Haonan Li, Liangwei Liu, Yi Xiao, Jinyang Liu, Yue Lin, Xiang Ding and Lili Han

Journal of Energy Chemistry, 2026, 112, 294
DOI: 10.1016/j.jechem.2025.08.031

From degradation to restoration: Rapid regulation of antisite defects and interface reconstruction for upgrading spent LiFePO4 cathodes

Ruihang Su, Ran An and Pengfei Yan

Journal of Energy Chemistry, 2026, 117, 868
DOI: 10.1016/j.jechem.2026.02.034

Enhanced low-temperature performance of LiFePO4 cathode via large-scale production of reduced graphene oxide-based ternary point-line-plane conductive network

Shaoqiu Wang, Xiaoming Cai, Junwen Tang, Jianwen Su, Aniqa Jadoon, Shuaishuai Fang, Zijian Liu and Jinming Cai

Ionics, 2026, 32, 261
DOI: 10.1007/s11581-025-06777-1

Streamlined Precise Delamination and Structural Restoration of Spent LiFePO4 Cathode Materials

Yuxin Fan, Shiwen Gong, Jiajun Li, Pinxian Jiang, Fangyan Liu, Shuaipeng Hao, Jianlong Cong, Qiming Zhao, Mengzhao Wang, Jing Xu, Xiaoxiang Wang, Aiqi He, Jiwei Ma, Yu Ding, Yifei Yu, Renyuan Zhang, Guangmin Zhou and Yunhui Huang

Advanced Energy Materials, 2026, 16
DOI: 10.1002/aenm.70768

Elimination of lattice strain to reconstruct ion transport channels facilitates direct regeneration of spent LiFePO4 cathode materials

Menghang Sun, Sen Dang, Kai Jia, Bo Wen, Jiyuan Xiao, Xiaofeng Liu, Weijia Li, Song Xue, Limin Liu, Yang Gao, Lili Li, Kai Xi, Wei Yan, Shujiang Ding and Guorui Yang

Sci. China Mater., 2026, 69, 1475
DOI: 10.1007/s40843-025-3748-9

Electrochemical lithium extraction from alkaline brine using carbon-coated LiFePO4: degradation mechanism and stability enhancement

Haigang Huang, Dongfu Liu, Tianyu Zhao, Siqi Zhou, Wenhua Xu and Zhongwei Zhao

Separation and Purification Technology, 2026, 392, 137187
DOI: 10.1016/j.seppur.2026.137187

Direct Regeneration of Spent LiNi0.8Co0.1Mn0.1O2 into Ce-Doped Single-Crystal Cathodes

Yudi Shao, Shuaipeng Hao, Fangyan Liu, Yuelin Kong, Haijin Ji, Zhangyating Xie, Yaqi Liao, Wei Liu, Yunhui Huang and Lixia Yuan

Chem Bio Eng., 2026, 3, 470
DOI: 10.1021/cbe.5c00155

Aromatic Ketone-Mediated Two-Electron Lithiation for Rapid and Room-Temperature Regeneration of Spent LiFePO4 Cathodes

Jiaxin Ren, Xuanze Wang, Zu Chang, Jiaxian Zhu, Qian Zhang, Mingli Xu, Pengcheng Chai, Chen Wu, Kun Zhang, Xinping Ai and Jiangfeng Qian

J. Am. Chem. Soc., 2025, 147, 44972
DOI: 10.1021/jacs.5c13455

Structure-Selective Regeneration of Heterogeneously Degraded LiFePO4 via Spontaneous Lithiation and Defect Reconstruction

Xuan Cao, Wei Mao, Yingze Song and Shaochun Tang

ACS Nano, 2025, 19, 35618
DOI: 10.1021/acsnano.5c10930

Achieving Stable and Fast Ion Transport in Regenerated LiFePO4 Via Vacancy‐Mediated Upcycling

Lei Cheng, Minghui Shan, Yuhang Wang, Zhongxiu Liu, Long Yu, Yilin Zhao, Yunteng Cao, Guiyin Xu and Meifang Zhu

Angew Chem Int Ed, 2026, 65
DOI: 10.1002/anie.202524847

Stress‐Mediated Lattice Reconstruction Regenerates Spent LiFePO4 Cathodes

Zhiheng Wu, Yangyang Liu, Yan Tang, Siyu Zhang, Bingan Lu, Junwei Han and Jiang Zhou

Advanced Materials, 2026, 38
DOI: 10.1002/adma.72952

N–doped carbon coating boosts the construction of high–performance regenerated LFP cathodes

Yifeng Li, Haoxuan Yu, Yuan Ding, Meiting Huang, Yaohui Xie, Peilin Li, Zhihao Wang, Lihua Wang, Liang Chen, Xubiao Luo and Liming Yang

Chemical Engineering Journal, 2025, 522, 168096
DOI: 10.1016/j.cej.2025.168096

Radical Anion‐Driven Electron‐Ion Coupled Repair Chemistry for Direct Regeneration of Degraded LiFePO4 Cathodes

Yirui Wang, Jin Yan, Xiaowei Lv, Jiacheng Li, Li Li, Ji Qian and Renjie Chen

Angewandte Chemie, 2026
DOI: 10.1002/ange.2043607

ZIF-8 modification of lithium manganese iron phosphate cathode enables mitigating manganese dissolution for stable lithium-ion batteries

Yangziyu Chen, Kun Qian, Tan Wang, Wanning Liu, Yu Bai, Zhenhua Wang and Kening Sun

Chinese Chemical Letters, 2026, 112458
DOI: 10.1016/j.cclet.2026.112458

Achieving Stable and Fast Ion Transport in Regenerated LiFePO4 Via Vacancy‐Mediated Upcycling

Lei Cheng, Minghui Shan, Yuhang Wang, Zhongxiu Liu, Long Yu, Yilin Zhao, Yunteng Cao, Guiyin Xu and Meifang Zhu

Angewandte Chemie, 2026, 138
DOI: 10.1002/ange.202524847

Oxidation-reconstructed Li+ transport enables high-tap-density single-crystal regeneration of spent LiNi0.5Co0.2Mn0.3O2 positive electrodes

Shuaipeng Hao, Yi Zhang, Shuaiwei Liu, Zhouliang Tan, Wei Liu, Yuanguang Xia, Wen Yin, Yaqi Liao, Haijin Ji, Yuelin Kong, Yudi Shao, Yuelin Lv, Long Qie, Yunhui Huang and Lixia Yuan

Nat Commun, 2026
DOI: 10.1038/s41467-026-71730-3

Interfacial Evolution and Accelerated Aging Mechanism for LiFePO4/Graphite Pouch Batteries Under Multi-Step Indirect Activation

Yun Liu, Jinyang Dong, Jialong Zhou, Yibiao Guan, Yimin Wei, Jiayu Zhao, Jinding Liang, Xixiu Shi, Kang Yan, Yun Lu, Ning Li, Yuefeng Su, Feng Wu and Lai Chen

Nano-Micro Lett., 2026, 18
DOI: 10.1007/s40820-025-01971-2

Efficient Direct Recycling Strategy of Spent LiFePO4 Cathodes by Structural Defect Repair and Interface Construction

Meng Li, Ziwen Ying, Zhiyuan Zeng, Jiehui Hu, Zhen Shang and Shengming Xu

Advanced Materials, 2026, 38
DOI: 10.1002/adma.202521012

Unified Upcycling of Degraded LiFePO4 Materials toward a High-Performance LiMn0.25Fe0.75PO4 Cathode for High-Voltage Lithium-Ion Batteries

Peng Wang, Jian Zhou, Jiawei Huang, Peng Yang, Yucheng Zhang, Zhuoli Yang, Guangren Wang, Da Guo, Jiapeng Song and Linfeng Fei

ACS Sustainable Chem. Eng., 2025, 13, 12647
DOI: 10.1021/acssuschemeng.5c04688

Defect-Accelerated Direct Regeneration of Spent LiFePO4 via a Mechanochemical Route with Short-Term Annealing

Huanming Zhang, Yitian Jiang, Xiao Zhou, Kuo Wang, Jiangning Liu, Yan Liu, Yuanzhen Chen, Liting Liu and Qiang Tan

ACS Nano, 2026
DOI: 10.1021/acsnano.5c22666

Direct repair of spent LiFePO4 via a closed-loop deep eutectic solvent process

Yuelin Kong, Shuaipeng Hao, Yaqi Liao, Yudi Shao, Le Hu, Wei Liu, Yuanguang Xia, Wen Yin, Jingwei Xiang, Yunhui Huang and Lixia Yuan

Journal of Energy Chemistry, 2026, 117, 224
DOI: 10.1016/j.jechem.2026.02.022

From Calendar Aging to Cycle Degradation: SOC‐Dependent Structural and Interfacial Evolution in LiFePO4/Graphite Batteries

Yi Jin, Rui Tang, Qi Shi, Jinyang Dong, Zhiheng Wang, Yibiao Guan, Yun Lu, Kang Yan, Yun Liu, Ning Li, Qiongqiong Qi, Jiaxin Gao, Lai Chen, Feng Wu and Yuefeng Su

Chin. J. Chem., 2026, 44, 931
DOI: 10.1002/cjoc.70428

Revealing position-dependent degradation mechanisms in LiFePO4/graphite batteries under high-temperature over-discharge condition

Xinbai He, Jianan Hao, Qi Shi, Lai Chen, Jinyang Dong, Yibiao Guan, Yun Lu, Kang Yan, Yiya Wang, Ning Li, Qiongqiong Qi, Feng Wu and Yuefeng Su

Journal of Power Sources, 2026, 667, 239278
DOI: 10.1016/j.jpowsour.2026.239278

Universal and Normalized Regeneration of Heterogeneous Spent LiFePO4 via Mechanochemical Delithiation and Flash Relithiation

Yaduo Song, Hao Zhang, Sanqi Guo, Cheng Lin, Junyi Lian, Xin Hu, Jinming Guo, Dinggen Li, Minglei Cao, Zhiqiang Wang, Jinyu Wen, Yunhui Huang, Jia Xie and Yonggang Yao

Energy & Environ Materials, 2026
DOI: 10.1002/eem2.70225

Regeneration of Spent LIB Electrode Materials: An Outlook from Lab-Scale Feasibility to Industrial Integration

Arindam Sen, Prachi Kumari and Rajen Kundu

Energy Fuels, 2025, 39, 13879
DOI: 10.1021/acs.energyfuels.5c02037

Molten salt regeneration of single-crystal LiNi_0.8Co_0.1Mn_0.1O₂ from end-of-life cathodes

Fangshu He, Yuelin Lv, Jingyuan Wu, Qi Zhang, Shuaipeng Hao, Lixia Yuan, Haiping Yang and Yang Yang

E, 2025, 1, 0
DOI: 10.48130/een-0025-0004

Upcycling of degraded LiFePO4 into next-generation phosphate-based cathode materials via solid-state redox and lattice reconstruction

Bingbing Hu, Jiayu Jiang, Chenbo Zhao, Dongshan Li, Yinbing Li, Junyang Dan, Jinzhong Wu, Guisheng Zeng and Zhi Li

Chemical Engineering Journal, 2026, 535, 175433
DOI: 10.1016/j.cej.2026.175433

Achieving Low-Temperature Aqueous Relithiation for Direct Regeneration of Spent Lithium Iron Phosphate via Hydroxylamine Mediation

Xuejing Qiu, Peixiang Gao, Huan Wang, Leiyuan Lu, Pengbo Zhou, Lei Wang, Qing Han, Lingling Xie, Limin Zhu and Xiaoyu Cao

ACS Sustainable Chem. Eng., 2026, 14, 2457
DOI: 10.1021/acssuschemeng.5c10969

Quasi-solid-state electrolytes engineered by metal-organic frameworks: A synergic effect from pore characteristics and ligand functionalities

Shiwei Mei, Xinyu Zhang, Yanzhi Zhang, Mutian Ma, Zhihe Wei, Zhangyi Zheng, Chang Lu, Yang Peng and Zhao Deng

Energy Storage Materials, 2025, 82, 104644
DOI: 10.1016/j.ensm.2025.104644

Closed-loop upcycling of spent LiFePO4 and LiCoO2 enables high-voltage regeneration of layered cathodes

Guangying Gao, Yu Zhang, Yuxin Zhu, Zhongbiao Li, Xiaoning Tong, Jihoon Choi, Shulan Wang and Li Li

Energy Storage Materials, 2025, 83, 104734
DOI: 10.1016/j.ensm.2025.104734

Inhomogeneous degradation mechanisms in LiFePO4/Graphite pouch cells under temperature and over-discharge coupled accelerated aging

Rui Tang, Jinyang Dong, Yuefeng Su, Xuebing Han, Fangze Zhao, Yun Lu, Kang Yan, Yi Jin, Ning Li, Lai Chen and Feng Wu

eTransportation, 2026, 27, 100523
DOI: 10.1016/j.etran.2025.100523

Radical Anion‐Driven Electron‐Ion Coupled Repair Chemistry for Direct Regeneration of Degraded LiFePO4 Cathodes

Yirui Wang, Jin Yan, Xiaowei Lv, Jiacheng Li, Li Li, Ji Qian and Renjie Chen

Angew Chem Int Ed, 2026
DOI: 10.1002/anie.2043607

Direct regeneration of spent LiFePO4 cathode materials: challenges, strategies, modifications, and economic benefits

Xi‐Yan Bao, Yu‐Tong Zhang, Jiang‐Tao Pan, Jing‐Yu Li, Lin Lv, Han‐Bing Wang, Chuan‐Yu Bie, Yin Xu, Chun‐Lei Liu and Hou‐Zhao Wan

Rare Metals, 2025, 44, 9475
DOI: 10.1007/s12598-025-03646-8

Fluorine-Doped Carbon Coated LiMn0.25Fe0.75PO4 Nanoplates for Ultra-Fast Charging and Wide-Temperature Lithium-Ion Batteries with Superior Cycling Stability

Shuo Wang, Xiao-Bin Zhong, Jiao-Yan Sang, Hang Yao, Shou-Fu Wang, Hao Tong, Yue-Xian Song, Yun-Rui Tian and Zhi-Yuan Wang

J. Electrochem. Soc., 2026, 173, 040513
DOI: 10.1149/1945-7111/ae4544