改良された非水溶媒リチウム二次電池

Abstract

PURPOSE:To provide a lithium secondary battery having favorable safety because of difficulty in deterioration of a negative electrode, and of a high battery capacity. CONSTITUTION:Material organic compound obtained by reaction of condensation polycyclic compound with nitro compound or nitriding agent is baked at 800-1800 deg.C under an inert gas atmosphere. Negative electrode material is thus formed with included quantity of nitrogen atoms set at 0.5-6%, and more than 80% the nitrogen atom generated by C=N and C-N connection.
(57)【要約】 改良された非水溶媒リチウム二次電池 【目的】 負極の劣化が起こりにくいため安全性に優 れ、且つ電池容量の高いリチウム二次電池。 【構成】 縮合多環式化合物とニトロ化合物またはニト ロ化剤との反応により得られた原料有機化合物を、不活 性ガス雰囲気下、800〜1800℃で焼成することに より調製された窒素原子の含量が0.5〜6%であり、 更に該窒素原子の80%以上がC=NおよびC−Nの結 合に由来する負極材料を用いることを特徴とする非水溶 媒リチウム二次電池。

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    JP-2005281127-AOctober 13, 2005Mitsubishi Gas Chem Co Inc, 三菱瓦斯化学株式会社Production process for carbonized product and carbonized product obtained by the process
    JP-2016213204-ADecember 15, 2016三菱化学株式会社, Mitsubishi Chemicals Corp非水系二次電池用炭素材、該炭素材を用いた負極及び非水系二次電池
    JP-6003886-B2October 05, 2016三菱化学株式会社非水系二次電池用炭素材、該炭素材を用いた負極及び非水系二次電池
    US-5605618-AFebruary 25, 1997Petoca, Ltd.Process for preparing nitrogen-containing isotropic pitch and nitrogen-containing isotropic pitch
    US-8936876-B2January 20, 2015Mitsubishi Chemical CorporationCarbon material for nonaqueous secondary battery, negative electrode using carbon material and nonaqueous secondary battery
    WO-2012157590-A1November 22, 2012三菱化学株式会社非水系二次電池用炭素材、該炭素材を用いた負極及び非水系二次電池