DataVXACS Energy LettersPaper
journal article·2023-03-10

Organic Hydronium-Ion Battery with Ultralong Life

Yanrong Wang, Caixing Wang, Wei Wang, Yu Zhang, Zhaowei Guo, Jianhang Huang, Lei Yan, Jing Ma, Yonggang Wang

ACS Energy Letters· Volume 8· Issue 3
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Source abstract

Abstract

The nonmetallic charge carrier hydronium (H 3 O + ) possesses the advantages of cost-efficiency and high ionic conductivity. However, only several available electrode materials have been reported for reversibly storing H 3 O +, and most of them suffer from limited cycle life due to the soluble and/or structurally unstable nature. Herein, we demonstrate that an organic quinone dibenzo[b,i]thianthrene-5,7,12,14-tetraone (DTT) exhibits the capability to accommodate H 3 O + in an acid electrolyte, with a capacity of 212 mAh g DTT –1 at 0.05 A g DTT –1 and long-term cycling stability. Theoretical calculation results indicate that DTT undergoes a two-electron and subsequent one-electron redox process during reversible storage of H 3 O + . When coupling with an MnO 2 cathode, the constructed MnO 2 //DTT battery provides long cycling stability over 50000 cycles at 2 A g DTT –1 with a capacity retention of 72%. Furthermore, the battery can operate well and shows cycle stability even at −70 °C, implying promising prospective capability in low-temperature environments.
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Research context

Energy storage

OpenAlex topics: Advanced battery technologies research · Advancements in Battery Materials · Advanced Battery Materials and Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China

Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Institute of New Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Fudan University, Shanghai 200433, China

MOE Key Laboratory of Mesoscopic Chemistry, MOE Key Laboratory of High Performance Polymer Materials and Technology, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China

Funding

Fudan University · Major Basic Research Project of the Natural Science Foundation of the Jiangsu Higher Education Institutions · National Natural Science Foundation of China · High-Level Innovation and Entrepreneurship Talents in Jiangsu Province · Lvyangjinfeng Talent Program of Yangzhou

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