Journal
ENERGY STORAGE MATERIALS
Volume 50, Issue -, Pages 274-307Publisher
ELSEVIER
DOI: 10.1016/j.ensm.2022.05.019
Keywords
Lithium ion battery; Cathode materials; Nickel-rich and cobalt-free; Research progress
Funding
- National Natural Science Foundation of China [51974368]
- Hunan Provincial Natural Science Foundation of China [2020JJ2048]
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This review comprehensively summarizes the development of nickel-rich and cobalt-free cathode materials, highlighting their competitive advantages in reducing costs and increasing energy density. It emphasizes the importance of developing new materials and provides solutions and future research directions to address current deficiencies in this field.
For conventional cathode materials, cobalt plays an important role, but the cobalt content of lithium battery cathode materials must be reduced because of the scarcity of cobalt resources, high price fluctuations, and other factors that cannot be ignored. Nickel-rich and cobalt-free layered oxides have dual competitive advantages in reducing cathode costs and increasing energy density, thereby opening a new path for the sustainable devel-opment of electric vehicle batteries. Therefore, the development of new nickel-rich and cobalt-free cathode materials has become the primary task. This review starts with the two aspects of composition modification and structure modification. It comprehensively summarizes and analyzes the development of nickel-rich and cobalt- free materials. This review helps researchers fully understand the recent development of nickel-rich and cobalt- free materials and proposes solutions and future research directions for current research deficiencies on nickel- rich and cobalt-free materials.
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