Rechargeable quasi-solid state lithium battery with organic crystalline cathode

Yuki Hanyu, Itaru Honma

Research output: Contribution to journalArticlepeer-review

141 Citations (Scopus)


Utilization of metal-free low-cost high-capacity organic cathodes for lithium batteries has been a long-standing goal, but critical cyclability problems owing to dissolution of active materials into the electrolyte have been an inevitable obstacle. For practical utilisation of numerous cathode-active compounds proposed over the past decades, a novel battery construction strategy is required. We have designed a solid state cell that accommodates organic cathodic reactions in solid phase. The cell was successful at achieving high capacity exceeding 200 mAh/g with excellent cycleability. Further investigations confirmed that our strategy is effective for numerous other redox-active organic compounds. This implies hundreds of compounds dismissed before due to low cycleability would worth a re-visit under solid state design.

Original languageEnglish
Article number453
JournalScientific Reports
Publication statusPublished - 2012


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