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Hansen KA, Nerkar J, Thomas K, Bottle SE, O'Mullane AP, Talbot PC, Blinco JP. New Spin on Organic Radical Batteries-An Isoindoline Nitroxide-Based High-Voltage Cathode Material. ACS Appl Mater Interfaces 2018; 10:7982-7988. [PMID: 29411960 DOI: 10.1021/acsami.7b18252] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Organic electrode materials are a highly promising and environmentally benign class of battery materials with radical polymers being at the forefront of this research. Herein, we report the first example of the 1,1,3,3-tetramethylisoindolin-2-yloxyl class of nitroxides as an organic electrode material and the synthesis and application of a novel styrenic nitroxide polymer, poly(5-vinyl-1,1,3,3-tetramethylisoindolin-2-yloxyl) (PVTMIO). The polymer was synthesized from the precursor monomer, 2-methoxy-5-vinyl-1,1,3,3-tetramethylisoindoline, and subsequent oxidative deprotection yielded the electroactive radical species. Cyclic voltammetry revealed a high oxidation potential of 3.7 V versus Li, placing it among the top of the nitroxide class of electrode materials. The suitability of PVTMIO for utilization in a high-voltage organic radical battery was confirmed with a discharge capacity of 104.7 mAh g-1, high rate performance, and stability under cycling conditions (90% capacity retention after 100 cycles), making it one of the highest reported organic p-dopable cathode materials.
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Affiliation(s)
- Kai-Anders Hansen
- School of Chemistry, Physics and Mechanical Engineering , Queensland University of Technology , 2 George Street , Brisbane , QLD 4000 , Australia
| | - Jawahar Nerkar
- School of Chemistry, Physics and Mechanical Engineering , Queensland University of Technology , 2 George Street , Brisbane , QLD 4000 , Australia
| | - Komba Thomas
- School of Chemistry, Physics and Mechanical Engineering , Queensland University of Technology , 2 George Street , Brisbane , QLD 4000 , Australia
| | - Steven E Bottle
- School of Chemistry, Physics and Mechanical Engineering , Queensland University of Technology , 2 George Street , Brisbane , QLD 4000 , Australia
| | - Anthony P O'Mullane
- School of Chemistry, Physics and Mechanical Engineering , Queensland University of Technology , 2 George Street , Brisbane , QLD 4000 , Australia
| | - Peter C Talbot
- School of Chemistry, Physics and Mechanical Engineering , Queensland University of Technology , 2 George Street , Brisbane , QLD 4000 , Australia
| | - James P Blinco
- School of Chemistry, Physics and Mechanical Engineering , Queensland University of Technology , 2 George Street , Brisbane , QLD 4000 , Australia
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