High-rate capable organic radical cathodes for lithium rechargeable batteries

Poly(2,2,6,6-tetramethyl-1-piperidinyloxy-4-yl methacrylate) (PTMA) is the most common active material with a stable radical molecular structure used for lithium rechargeable cells. Because it is an organic active material, PTMA can be dissolved easily in various solvents. Using a solution of active...

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Published in:Journal of power sources 2007-03, Vol.165 (2), p.870-873
Main Authors: Nakahara, Kentaro, Iriyama, Jiro, Iwasa, Shigeyuki, Suguro, Masahiro, Satoh, Masaharu, Cairns, Elton J.
Format: Article
Language:English
Subjects:
Applied sciences
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Exact sciences and technology
Lithium rechargeable battery
Organic radical battery
PTMA
Stable radical
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cited_by cdi_FETCH-LOGICAL-c439t-99dba78ad06bf35bd4a54c37ff20392383fdd127f919c5140fb5ef7e2b27b6d73
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container_title Journal of power sources
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creator Nakahara, Kentaro
Iriyama, Jiro
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description Poly(2,2,6,6-tetramethyl-1-piperidinyloxy-4-yl methacrylate) (PTMA) is the most common active material with a stable radical molecular structure used for lithium rechargeable cells. Because it is an organic active material, PTMA can be dissolved easily in various solvents. Using a solution of active material in the electrode making process, we formed an extremely large surface area between the active material and the conducting additive. The electrode has excellent power capability and can be charged and discharged in 1 min. We believe that this cell can be used like an electric double layer capacitor. We also believe that the cell, whose cycle life is good, retaining 89% of original capacity after 1000 cycles, can be put into practical use.
doi_str_mv 10.1016/j.jpowsour.2006.11.045
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source ScienceDirect Freedom Collection
subjects Applied sciences
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Exact sciences and technology
Lithium rechargeable battery
Organic radical battery
PTMA
Stable radical
title High-rate capable organic radical cathodes for lithium rechargeable batteries
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