Research progress in failure mechanisms and electrolyte modification of high‐voltage nickel‐rich layered oxide‐based lithium metal batteries
Jiandong Liu,
Xinhong Hu,
Shihan Qi,
Yurong Ren,
Yong Li,
Jianmin Ma
Affiliations
Jiandong Liu
School of Chemistry Tiangong University Tianjin the People's Republic of China
Xinhong Hu
School of Chemistry Tiangong University Tianjin the People's Republic of China
Shihan Qi
School of Physics and Electronics Hunan University Changsha the People's Republic of China
Yurong Ren
School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Changzhou University Changzhou the People's Republic of China
Yong Li
State Key Laboratory of Space Power‐Sources Technology, Shanghai Institute of Space Power Sources Shanghai the People's Republic of China
Jianmin Ma
School of Chemistry Tiangong University Tianjin the People's Republic of China
Abstract High‐voltage nickel (Ni)‐rich layered oxide‐based lithium metal batteries (LMBs) exhibit a great potential in advanced batteries due to the ultra‐high energy density. However, it is still necessary to deal with the challenges in poor cyclic and thermal stability before realizing practical application where cycling life is considered. Among many improved strategies, mechanical and chemical stability for the electrode electrolyte interface plays a key role in addressing these challenges. Therefore, extensive effort has been made to address the challenges of electrode‐electrolyte interface. In this progress, the failure mechanism of Ni‐rich cathode, lithium metal anode and electrolytes are reviewed, and the latest breakthrough in stabilizing electrode‐electrolyte interface is also summarized. Finally, the challenges and future research directions of Ni‐rich LMBs are put forward.
