POSITIVE ELECTRODE MATERIAL AND POWER STORAGE DEVICE

To provide a new positive electrode material that allows ions to easily move in the positive electrode when a power storage device is charged and discharged.SOLUTION: A positive electrode material 12 includes a polymer includes a polyether skeleton or a polyether skeleton in which some or all of oxy...

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Hauptverfasser:	ASANO TSUYOSHI, SATO YASUSHI, KOYAIZU KENICHI, HATAKEYAMA KAN, MATSUOKA KOJI, NISHIDE HIROYUKI, NAGATSUKA TOMOZO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	To provide a new positive electrode material that allows ions to easily move in the positive electrode when a power storage device is charged and discharged.SOLUTION: A positive electrode material 12 includes a polymer includes a polyether skeleton or a polyether skeleton in which some or all of oxygen atoms are replaced with sulfur in the main chain, and a radical compound having a nitroxyl radical site in the side chain, and the number average molecular weight (Mn) is 5000 or more, and a solid oxide or sulfide capable of being bound to at least one element selected from the group consisting of lithium, sodium, potassium, magnesium, and aluminum.SELECTED DRAWING: Figure 1 【課題】蓄電デバイスの充放電時に正極においてイオンが移動しやすい新規な正極材を提供する。【解決手段】正極材１２は、ポリエーテル骨格、または酸素原子の一部もしくはすべてが硫黄で置換されたポリエーテル骨格を主鎖に、ニトロキシルラジカル部位を有するラジカル化合物を側鎖に含み、数平均分子量（Ｍｎ）が５０００以上である高分子と、リチウム、ナトリウム、カリウム、マグネシウムおよびアルミニウムからなる群より選択される少なくとも一つの元素と結合可能である、固体の酸化物または硫化物と、を含む。【選択図】図１