DataVXAdvanced Functional MaterialsPaper
journal article·2024-06

High‐Capacity, Long‐Life Sulfide All‐Solid‐State Batteries with Single‐Crystal Ni‐Rich Layered Oxide Cathodes

Huan Liu, Yue Wang, Liquan Chen, Hong Li, Fan Wu

Advanced Functional Materials· Volume 34· Issue 26
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Source abstract

Abstract

Abstract Sulfide all‐solid‐state battery (SASSB) with ultrahigh‐nickel layered oxide cathode (LiNixCoyMn1‐x‐yO2, NCM, x ≥ 0.9) offers the potential of high energy density and safety for superior energy storage systems. However, stable cycling is difficult to realize due to adverse interfacial reactions, space charge layer (SCL), and elemental diffusion. Herein, a straightforward solid‐phase coating strategy is exploited to synthesize Ni90‐S cathode, which greatly improves the charge transmission capability of the composite cathode and suppresses interfacial reactions in SASSB. The consequent SC‐Ni90‐0.2%S/Li6PS5Cl/Li4Ti5O12 SASSB exhibits enhanced electrochemical performance, including a long life of 500 cycles with 87% capacity retention at 1C, high areal capacity of 11.44 mAh cm−2, and excellent rate performance at 20 C. These results promise an efficient strategy for designing cathode materials for SASSBs.
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Research context

Energy storageComposites

OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Thermal Expansion and Ionic Conductivity

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Tianmu Lake Institute of Advanced Energy Storage Technologies Liyang Jiangsu 213300 China

Nano Science and Technology Institute University of Science and Technology of China Suzhou 215123 China

Beijing Advanced Innovation Center for Materials Genome Engineering Key Laboratory for Renewable Energy Beijing Key Laboratory for New Energy Materials and Devices Institute of Physics Chinese Academy of Sciences Beijing 100190 China

School of Physical Sciences University of Chinese Academy of Sciences Beijing 100049 China

Yangtze River Delta Physics Research Center Liyang Jiangsu 213300 China

Funding

National Natural Science Foundation of China

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