WO2011155781A3 - 리튬 이차전지용 양극 활 물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 - Google Patents

리튬 이차전지용 양극 활 물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 Download PDF

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WO2011155781A3
WO2011155781A3 PCT/KR2011/004239 KR2011004239W WO2011155781A3 WO 2011155781 A3 WO2011155781 A3 WO 2011155781A3 KR 2011004239 W KR2011004239 W KR 2011004239W WO 2011155781 A3 WO2011155781 A3 WO 2011155781A3
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secondary battery
lithium secondary
positive electrode
active material
electrode active
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WO2011155781A2 (ko
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홍지준
변기택
김효원
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주식회사 루트제이제이
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    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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    • C01—INORGANIC CHEMISTRY
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    • C01G45/1235—Manganates or manganites with trivalent manganese, tetravalent manganese or mixtures thereof of the type (Mn2O4)2-, e.g. Li2Mn2O4 or Li2(MxMn2-x)O4
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Abstract

리튬 이차전지용 양극 활 물질, 그 제조방법 및 이를 포함하는 리튬 이차전지가 제공된다. 본 발명에 따른 리튬 이차전지용 양극 활 물질은 Li2MO4 / X의 복합체를 포함하며, 여기에서 M은 Mn, Fe, Co, Ni, Al, Mn, V, Cr, Fe, Co, Zn, Zr, Nb, Mo, Ag, Ge, Sn, Mg, Si, S, Ca, Ti, Cu, Ba, W 및 Pb로 이루어진 군으로부터 선택된 1종 또는 2종 이상의 원소이며, X는 탄소원 또는 리튬티탄산화물(Lithium Titanium Oxide, Li4Ti5O12) 또는 이들의 혼합물인 것을 특징으로 하며, 본 발명에 따르면, 경제적인 방식으로 우수한 전기 전도도 및 기계적 특성을 갖는 리튬이차전지용 양극 활 물질이 제조될 수 있다. 특히, 상기 Li2MM'O4 입자상 표면에 균일하게 분산, 함유된 탄소원 또는 리튬티탄산화물(LTO)은 리튬이차전지용 양극 활 물질 복합체로 하여금 향상된 전기 전도도를 갖게 한다. 또한, 본 발명에 따른 양극 활 물질은 이차전지에 적용하기 적합한 에너지 밀도를 가지고, 안정성과 안전성이 뛰어나며, 우수한 전지특성을 유지하면서도 사이클 수명이 긴 장점을 갖는다.
PCT/KR2011/004239 2010-06-09 2011-06-09 리튬 이차전지용 양극 활 물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 WO2011155781A2 (ko)

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KR10-2010-0054224 2010-06-09
KR20100054224 2010-06-09

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WO2011155781A3 true WO2011155781A3 (ko) 2012-04-19

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN103682278A (zh) * 2013-12-26 2014-03-26 山东精工电子科技有限公司 一种纳米化碳包覆钛酸锂负极材料的制备方法

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JP6254258B2 (ja) 2013-07-30 2017-12-27 エルジー・ケム・リミテッド 非可逆添加剤が含まれている二次電池用正極合剤
CN104549201A (zh) * 2013-10-11 2015-04-29 天津大学 光催化剂氧化石墨烯掺杂二氧化钛纳米纤维及其制备方法和应用
KR102272265B1 (ko) 2014-11-21 2021-07-05 삼성에스디아이 주식회사 리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지
DE202017007585U1 (de) 2016-07-05 2023-07-13 Semiconductor Energy Laboratory Co., Ltd. Positivelektrodenaktivmaterial und Sekundärbatterie
KR102392937B1 (ko) 2016-10-12 2022-05-03 가부시키가이샤 한도오따이 에네루기 켄큐쇼 양극 활물질 입자 및 양극 활물질 입자의 제작 방법
KR20230167132A (ko) 2017-05-12 2023-12-07 가부시키가이샤 한도오따이 에네루기 켄큐쇼 양극 활물질 입자
CN111900358B (zh) 2017-05-19 2024-09-17 株式会社半导体能源研究所 正极活性物质以及二次电池
CN111933906A (zh) 2017-06-26 2020-11-13 株式会社半导体能源研究所 正极活性物质的制造方法
CN108539131A (zh) * 2018-03-27 2018-09-14 宁夏汉尧石墨烯储能材料科技有限公司 一种石墨烯改性高镍系正极材料的制备方法
CN108922795B (zh) * 2018-07-15 2019-09-03 重庆文理学院 一种导电性能优异的石墨烯基复合导电薄膜的制备方法
KR101985372B1 (ko) * 2018-10-24 2019-06-03 한국지질자원연구원 리튬 화합물로부터 리튬니켈산화물 제조방법
CN109449439B (zh) * 2018-11-12 2022-05-24 吉林大学 钴钼硫/石墨烯复合材料的制备方法及其应用

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103682278A (zh) * 2013-12-26 2014-03-26 山东精工电子科技有限公司 一种纳米化碳包覆钛酸锂负极材料的制备方法
CN103682278B (zh) * 2013-12-26 2016-05-11 山东精工电子科技有限公司 一种纳米化碳包覆钛酸锂负极材料的制备方法

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