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Toward a High‐Performance All‐Plastic Full Battery with a'Single Organic Polymer as Both Cathode and Anode
Author(s) -
Xie Jian,
Wang Zilong,
Xu Zhichuan J.,
Zhang Qichun
Publication year - 2018
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201703509
Subject(s) - anode , cathode , materials science , battery (electricity) , electrode , polymer , fabrication , optoelectronics , nanotechnology , electronics , energy density , chemical engineering , composite material , electrical engineering , engineering physics , chemistry , medicine , power (physics) , physics , alternative medicine , quantum mechanics , pathology , engineering
The design and fabrication of high‐performance all‐plastic batteries is essentially important to achieve future flexible electronics. A major challenge in this field is the lack of stable and reliable soft organic electrodes with satisfactory performance. Here, a novel all‐plastic‐electrode based Li‐ion battery with a single flexible bi‐functional ladderized heterocyclic poly(quinone), (C 6 O 2 S 2 ) n , as both cathode and anode is demonstrated. Benefiting from its unique ladder‐like quinone and dithioether structure, the as‐prepared polymer cathode shows a high energy density of 624 Wh kg −1 (vs lithium anode) and a stable battery life of 1000 cycles. Moreover, the as‐fabricated symmetric full‐battery delivers a large capacity of 249 mAh g −1 (at 20 mA g −1 ), a good capacity retention of 119 mAh g −1 after 250 cycles (at 1.0 A g −1 ) and a noteworthy energy density up to 276 Wh kg −1 . The superior performance of poly(2,3‐dithiino‐1,4‐benzoquinone)‐based electrode rivals most of the state‐of‐the‐art demonstrations on organic‐based metal‐ion shuttling batteries. The study provides an effective strategy to develop stable bi‐functional electrode materials toward the next‐generation of high performance all‐plastic batteries.