Journal
CHINESE PHYSICS B
Volume 25, Issue 1, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1674-1056/25/1/018205
Keywords
thermal stability; cathode; oxide; lithium ion batteries; safety
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Funding
- U.S. Department of Energy, the Assistant Secretary for Energy Efficiency and Renewable Energy, Office of Vehicle Technologies [DE-SC0012704]
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Structural transformation behaviors of several typical oxide cathode materials during a heating process are reviewed in detail to provide in-depth understanding of the key factors governing the thermal stability of these materials. We also discuss applying the information about heat induced structural evolution in the study of electrochemically induced structural changes. All these discussions are expected to provide valuable insights for designing oxide cathode materials with significantly improved structural stability for safe, long-life lithium ion batteries, as the safety of lithium-ion batteries is a critical issue; it is widely accepted that the thermal instability of the cathodes is one of the most critical factors in thermal runaway and related safety problems.
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