All organic battery using thienothiophene-triphenyamine as cathode and poly(anthraquinonyl sulphide) as anode

Sezer E. , Topal S., Ustamehmetoğlu B. , Öztürk T.

Organic Battery Days, Tokyo, Japan, 25 - 27 November 2021, pp.47

  • Publication Type: Conference Paper / Summary Text
  • City: Tokyo
  • Country: Japan
  • Page Numbers: pp.47


With the growing demands for green and sustainable energy storage systems organic material can be used as alternatives due to their abundance, low-cost, low-weight and environmentally friendly. Conducting polymers (CP) have made a great impact on applications of modified electrodes such as electrochromic, energy storage, electroanalysis, and sensors due to their unique abilities such as reversible doping/dedoping process, tunable chemical and electrochemical properties and easy processability. Thienothiophenes (TT), possessing two fused thiophenes, are known to be good electron donors. Their π- conjugated system support their promising applications in electronic devices such as organic photovoltaics, field-effect transistors, pseudo-capacitors etc. , [1,2] Another significant organic compound triphenylamine (TPA) units, which are an efficient electron rich hole transporter, are widely used in electronic and optoelectronic materials.[3-5]  Poly(anthraquinonyl sulphide) (PAQS) was known to have n-type redox activity through reversible electrochemical association of cations with its redox-active anthraquinonyl groups.[6,7]
In this work, we report an all organic battery based on new TT derivative possessing a strong electron donating TPA group (TTpTPA) cathode and PAQS anode. During the charge/discharge process, anion of the electrolyte moves into/from PTTpTPA cathode simultaneously with association/disassociation of cation into/from PAQS anode.