Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 8, Issue 22, Pages 11195-11201Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ta04083e
Keywords
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Funding
- German Federal Environmental Foundation (DBU)
- German Research Foundation (Emmy Noether grant) [ES 361/2-1, ES 361/4-1, INST 40/467-1 FUGG]
- state of Baden-Wurttemberg through bwHPC
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There is a growing interest in organic-based cathode materials for batteries due to their higher sustainability, low toxicity and energy-efficient production and recycling. Organic p-type compounds that undergo two reversible oxidations are relatively rare, but can provide a higher specific capacity compared to molecules undergoing one-electron processes. We herein present azine (N-N-linked diimine)-based polymers featuring two reversible oxidations at attractive potentials of 2.9 and 3.3 Vvs.Li/Li+. A cross-linked and end-capped azine-based polymer provided good cycling stability in a Li-based half cell and an available specific capacity of 133 mA h g(-1)paired with a high rate performance up to 100C rate. Our study introduces azines as attractive cathode-active battery materials.
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