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Odyssey of Multivalent Cathode Materials: Open Questions and Future Challenges
Pieremanuele Canepa1,2, Gopalakrishnan Sai Gautam1,2,3, Daniel C Hannah1
1Materials Science Division, Lawrence Berkeley National Laboratory , Berkeley, California 94720, United States.
Chemical Reviews
|March 9, 2017
Summary
Nonaqueous multivalent intercalation batteries show promise for safer, cheaper, and more energy-dense alternatives to lithium-ion technology. This review analyzes cathode materials and ion insertion mechanisms, guiding future research.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Current lithium-ion batteries face limitations in safety, cost, and energy density.
- Nonaqueous multivalent intercalation batteries are emerging as a promising alternative technology.
- Understanding multivalent ion behavior in cathode materials is crucial for battery development.
Purpose of the Study:
- To critically analyze the growing body of research on nonaqueous multivalent intercalation batteries.
- To review various intercalation cathode materials and their performance characteristics.
- To identify key challenges and suggest future research directions for multivalent cathode development.
Main Methods:
- Comprehensive literature review of multivalent battery research.
- Analysis of experimental and theoretical studies on intercalation cathode materials.
- Evaluation of different material chemistries, including chalcogenides, oxides, and polyanions.
Main Results:
- Nonaqueous multivalent batteries offer potential advantages over Li-ion technology.
- Various cathode material classes (chalcogenides, oxides, polyanions) exhibit distinct merits and challenges.
- The interplay between experimental findings and theoretical modeling is vital for rational design.
Conclusions:
- Further research is needed to fully realize the potential of multivalent intercalation batteries.
- Emphasis on unambiguous characterization of intercalation mechanisms is essential for progress.
- Development of next-generation multivalent cathodes requires integrated experimental and theoretical approaches.
