Organic radical battery: Nitroxide polymers as a cathode-active material

Hiroyuki Nishide; Shigeyuki Iwasa; Yong Jin Pu; Takeo Suga; Kentaro Nakahara; Masaharu Satoh

doi:10.1016/j.electacta.2004.02.052

Organic radical battery: Nitroxide polymers as a cathode-active material

Hiroyuki Nishide, Shigeyuki Iwasa, Yong Jin Pu, Takeo Suga, Kentaro Nakahara, Masaharu Satoh

School of Advanced Science and Engineering

Research output: Contribution to journal › Article

340 Citations (Scopus)

Abstract

Purely organic-derived nitroxide radicals, including their polymer derivative, poly(2,2,6,6-tetramethylpiperidinyloxy methacrylate) (PTMA), were characterized as a new class of cathode-active materials for lithium batteries. PTMA was stable at ambient conditions, had a tunable solubility and processability, and could undergo thermal runaway without any odor and ash. The nitroxide radicals displayed a reversible and very rapid redox to form their oxoammonium salts, which enabled a high power-rate performance during the charge and discharge process of the battery.

Original language	English
Pages (from-to)	827-831
Number of pages	5
Journal	Electrochimica Acta
Volume	50
Issue number	2-3 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.electacta.2004.02.052
Publication status	Published - 2004 Nov 30

Keywords

Cathode materials
Lithium secondary batteries
Polymer batteries
Radical molecules

ASJC Scopus subject areas

Chemical Engineering(all)
Electrochemistry

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10.1016/j.electacta.2004.02.052

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abstract = "Purely organic-derived nitroxide radicals, including their polymer derivative, poly(2,2,6,6-tetramethylpiperidinyloxy methacrylate) (PTMA), were characterized as a new class of cathode-active materials for lithium batteries. PTMA was stable at ambient conditions, had a tunable solubility and processability, and could undergo thermal runaway without any odor and ash. The nitroxide radicals displayed a reversible and very rapid redox to form their oxoammonium salts, which enabled a high power-rate performance during the charge and discharge process of the battery.",

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AU - Nishide, Hiroyuki

AU - Iwasa, Shigeyuki

AU - Pu, Yong Jin

AU - Suga, Takeo

AU - Nakahara, Kentaro

AU - Satoh, Masaharu

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AB - Purely organic-derived nitroxide radicals, including their polymer derivative, poly(2,2,6,6-tetramethylpiperidinyloxy methacrylate) (PTMA), were characterized as a new class of cathode-active materials for lithium batteries. PTMA was stable at ambient conditions, had a tunable solubility and processability, and could undergo thermal runaway without any odor and ash. The nitroxide radicals displayed a reversible and very rapid redox to form their oxoammonium salts, which enabled a high power-rate performance during the charge and discharge process of the battery.

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KW - Polymer batteries

KW - Radical molecules

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