Cathode materials for next generation lithium ion batteries

•We provide critical opinions on the current and future cathode materials for lithium ion batteries.•Continued R&D efforts on the cathode materials can greatly reduce the cost and increase the efficiency of lithium ion batteries.•This will open up the rich field of cathode materials with vast opportunities for commercialization of lithium ion batteries.

The recent progress and future development of cathode materials for lithium ion batteries have been critically reviewed in this article. We have given some critical opinions and rational ideas regarding the development of cathode materials to dramatically reduce the cost and increase the efficiency of future lithium ion batteries, which will revolutionize the way for transportation and affect many aspects of our lives.

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