TWI246212B - Anode material for lithium secondary cell with high capacity - Google Patents

Anode material for lithium secondary cell with high capacity Download PDF

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TWI246212B
TWI246212B TW093118302A TW93118302A TWI246212B TW I246212 B TWI246212 B TW I246212B TW 093118302 A TW093118302 A TW 093118302A TW 93118302 A TW93118302 A TW 93118302A TW I246212 B TWI246212 B TW I246212B
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carbon layer
anode material
metal core
core layer
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TW200501469A (en
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You-Min Kim
Ki-Young Lee
Seo-Jae Lee
Suk-Myung Roh
Ou-Jung Kwon
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Lg Chemical Ltd
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Description

1246212 九、發明說明： 【發明所屬之技術領域】 以及一種利 本發明係關於一種鋰二次電池之陽極材料 用此陽極材料之鋰二次電池。 【先前技術】 目前，碳質（carbonaceous)材料常作為鋰二次電池之陽 ㈣才料。然而，使用一具有較高容量之陽極材料以增加鋰二 -欠電池之電容是刻不容緩的。 10 15 為了達成這個目的，與鋰離子電化學地形成合金，且具 有高度充電/放電容量之金屬，如石夕、銘等，可被考慮作為 陽極=料。然而，此類以金屬為基礎的陽極材料，在鋰離子 進行嵌入/去嵌入（intercalation/deintercalati〇n)過程中，合谔 經極大的體積變化，因此該等活性材料終將彼此分離，= 離子電池具有低落的電池壽命特; 日本公開之申請案版2__297757揭露了一種陽極材 枓，其陽極材料包括1_相（例如：石夕）且具有至少一元辛 可進行鐘離子嵌入/去极入；以及一 β_相其係為一介金屬 (mtermetallic)化合物或一元素與另—以素組成之固能 20液。 心/ 然而，該習知技藝之陽極材料無法提供足夠且可接受的 電池壽命特徵’因此無法實際作為—鋰二次電池之陽：材 料0 1246212 【發明内容】 因此為了解決上述習知問題，本發 供一種链二次電池之陽極材料，俾能使該電池具有的^f充提/ 放電容量，以及較長的電池壽命特徵。 又充 5 10 15 本發明之另-目的係在提供—種鐘二次 料’其中包括-金屬層（核心層）具有鋰離子二二％:材 /去甘入之月匕力，其表面部分地或全部地依序覆 (a,〇« 〇 可:抑制一金屬在輯子嵌入/去嵌入過程中所造成之體積 改維持陽極材料粒子的高導電性，因而提m 放电合里以及良好的電池壽命特徵。 又 本發明之又一目的係在提供一-上述之陽極材料。μ、軸一二人電池，其係利用 為達成上述目的，本發明提供一種陽極 一金屬核心層，具備鋰齙孚舌、—山 具包括· 糸石山s计 重複嵌入及去後入能力；—非晶 二、、係塗佈於該金屬核心層之表面；以及—… 二、、係塗佈於該非晶系碳層之表面。根據本發明之另二二 。’本發明係提供_種利用上述陽極材料之鐘二次電'、也。 本發明之金屬核心層能夠提供高度充/放電容量。’ 此外’本發明之非晶系碳層與該晶質碳層可 在鐘離子嵌入/去嵌 卩利孟屬 較佳的電池壽命特徵私中所造成之體積變化，因而提供 力愈即使一金屬層（例如-由矽所構成之金屬層）且有導. 力與鋰離子僖導鈐士少 曰^ 百¥電 專V此力，而允許鋰離子之嵌入/去 20 1246212 順地使鋰離子嵌入/去嵌入之電子導電力依然太低。因此， 藉由形成一晶質碳層以降低在活性金屬層與集電體（current collector)之間、各金屬材料粒子之間之接觸阻力，而可提高 其鐘離子嵌入/去嵌入性質。 5 所形成的覆蓋層包括非晶系碳層以及晶質碳層，二者部 分地或全部地塗佈於於金屬核心層之表面。 同日守，忒1¼極材料從核心往外較佳依序包括了金屬核心 層、非晶系碳層、以及晶質碳層。 圖1係本發明一較佳實施例之陽極材料之剖面圖。從圖i 10中可見，該具有電化學充/放電能力之金屬表面，其表層覆 盍包括一非晶系碳層以及一晶質石炭層。 形成金屬核心層之金屬可包括至少一金屬選自一群組 包括：矽（S1)、鋁（A1)、錫（Sn)、銻（sb)、鉍（B1)、砷（As)、、 鍺（Ge)、鉛（Pb)、以及上述之合金。然而金屬之材質並無特 15殊限制，只要其能夠進行電化學及可逆之鋰離子嵌入/去嵌 入即可。 人 此非晶系碳層可包括從煤焦瀝f、石油瀝t及多種有機 物之中經由熱處理而獲得之含碳材料。 此晶質碳層可包括高度石墨化之天然石墨、人造石墨 2〇等，且以此石墨為基礎之材質可包括介穩相碳微粒ς (MesoCarbon MicroBead)、碳纖維及天然石墨。 金屬核心層、非晶系碳層與晶質碳層之較佳比例係為 9〇〜U)wt% : 〇·i〜50wt% : 9〜9〇_。若金屬核心層之含量低 於總量之1〇wt%時，充電容量低’因此不可能成為具有高電 1246212 容量之陽極材料。若曰片 非曰系π M ^，則不能有效抑制金屬之膨脹，而當 及Ϊ電^日之含量高於總量之5Gwt%時，則可能降低電容量 ίο 15 :::月，陽極材料可藉由以下步驟製備。此非晶系碳I ，輪沈積製程（如化學氣相沈積法、物理氣相沈積 2)直接形成於金屬層之上。或者，先在金屬核心層表面 各種有機前驅材料，如石油瀝青、煤焦瀝青、酚醛樹脂、 ^a^^(p〇iyvinyl chloride) ^^^SKpoiyvi^ alc〇h^ 等，接著將該前驅材料在惰性氣體下，在5〇〇〜13〇〇。〇下進行 30刀1里至3小日守之熱處理，以完成碳化，藉以將此非晶系石夏 =形成於金屬核心層之表面。接著，在一含有9〇〜98以％晷 質碳材料以及2〜l〇wt%之黏著劑（選擇性地含有5%或更少之 導電劑）之混合物中，加入足量的溶劑，參勻混合以得到4 泥狀聚體。將此泥狀漿體塗佈於非晶系碳層之上並乾燥之， 以付到晶質碳層。 在一種變化形式中，形成核心層的金屬先與晶質碳以^ 預定比例混合，例如金屬比晶質碳為10〜9〇wt%^ 90〜l〇wt%。接著，非晶系碳層以及晶質碳層可以同時藉由 如球磨法（ball mill)、機械融合法（meck^no-fusion)或其他機 械合金法（mechanical alloying)來形成。 機械合金法係藉由機械施力而使得生成物具有均一的 組成。 20

Claims (1)

  1. 5 十、申請專利範圍： 1 · 一種陽極材料，包括·· 二金屬核心層，具備雜子重複嵌人及去嵌入能力； 二^系碳層，其係覆蓋於該金屬核心層之表面；以及 -晶質碳層，其係覆蓋於該非晶系碳層之表面。 如申請專利範圍第1項所述之陽極材料，其中該金屬 核二係由—金屬或—合金所構成，該金屬或該合金係包括 ”、-金屬選自一由：矽、鋁、錫、銻、鉍、砷、鍺、以及 鉛組成之群組。 10 如申請專利範圍第1項所述之陽極材料，其中該金屬 核心層，表面係部分地或全部地被-塗佈層所覆蓋，該塗佈 層包括该非晶系碳層及該晶質碳層。 =如申請專利範圍第i項所述之陽極材料，其中該金屬 核心層、該非晶系碳層與該晶質碳層之比例係為9〇〜10重量 15百分比.（M〜50重量百分比：9〜9〇重量百分比。 …5·如中料利範圍第丨項所述之陽極材料，其中該非晶 糸石厌層包括有一碳原子層間距（㈣2)其係等於或大於 0.34nm ’且該非晶系碳層之厚度係等於或大於5·。 中請專利範圍第1項所述之陽極材料，其中該晶質 20石厌θ匕括有-碳原子層間距_2)其係、介於my麵至 〇/5麵之間’ j_該晶f碳層之厚度係介於1微米至職米之 17 1246212 7· —種鋰二次電池，其包括一陰極，一陽極，一非水 相電解液以及一隔離片，其中該陽極係使用申請專利範圍第 1貝至弟6項中任一項所述之陽極材料，該陽極材料係含： 一金屬核心層，具備鋰離子重複嵌入及去嵌入能力； 一非晶系碳層，其係覆蓋於該金屬核心層之表面；以及 一晶質碳層，其係覆蓋於該非晶系碳層之表面。 8· —種陽極材料之製備方法，該陽極材料係如申請專 利範圍第1項至第6項中任一項所述，該製備方法包括以^步 10 15 20 *、在一金屬核心層之表面形成一非晶系碳層，其係利用 膜沈積製程、或者先在該金屬核心層之表面塗佈瀝青或 前驅材料並熱處理以進行碳化，以塗佈—非晶系❹於1金 屬核心層之表面;以及塗佈一層含有晶質碳材質之; 於该非晶系碳層之表面’並乾燥之，以形成一晶質碳層-久-種陽極材料之製備方法，該陽極材料係如申曰 ^圍弟旧至第6項中任—項所述，該製備方法包括以^步 以及進行-機械合 質碳層於該金屬核 將一金屬形成一核心層並與晶質碳混合，· 金製程，以同時形成一非晶系碳層與一晶 心層之上。 ι〇·如中請專利範圍第9項所述之製備方法， 對δ亥晶質碳之混合比例為1 〇〜9〇 : 〜1 〇。 ζ盅屬 18
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Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6531600A (en) 1999-08-27 2001-03-26 Lex Kosowsky Current carrying structure using voltage switchable dielectric material
KR100776912B1 (ko) 2003-06-25 2007-11-15 주식회사 엘지화학 리튬 이차 전지용 고용량 부극재
CN100367543C (zh) * 2004-08-17 2008-02-06 比亚迪股份有限公司 一种锂合金复合材料及其制备方法、负极材料、负极结构体及锂二次电池
KR100789093B1 (ko) * 2005-10-27 2007-12-26 주식회사 엘지화학 이차 전지용 고용량 전극활물질
KR100814617B1 (ko) * 2005-10-27 2008-03-18 주식회사 엘지화학 이차 전지용 전극활물질
KR100814618B1 (ko) * 2005-10-27 2008-03-18 주식회사 엘지화학 이차 전지용 전극활물질
US7923844B2 (en) 2005-11-22 2011-04-12 Shocking Technologies, Inc. Semiconductor devices including voltage switchable materials for over-voltage protection
KR100728160B1 (ko) * 2005-11-30 2007-06-13 삼성에스디아이 주식회사 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를포함하는 리튬 이차 전지
KR100796687B1 (ko) * 2005-11-30 2008-01-21 삼성에스디아이 주식회사 리튬 이차 전지용 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지
KR100873578B1 (ko) * 2005-12-06 2008-12-12 주식회사 엘지화학 이차 전지용 고용량 음극활물질
KR100847218B1 (ko) * 2005-12-14 2008-07-17 주식회사 엘지화학 이차 전지용 전극활물질
KR101483123B1 (ko) * 2006-05-09 2015-01-16 삼성에스디아이 주식회사 금속 나노결정 복합체를 포함하는 음극 활물질, 그 제조방법 및 이를 채용한 음극과 리튬 전지
KR20070109634A (ko) * 2006-05-12 2007-11-15 주식회사 엘지화학 고용량 전극활물질
CN100386906C (zh) * 2006-05-26 2008-05-07 清华大学 活性碳微球包覆金属复合物负极材料的制备方法
US20080029405A1 (en) * 2006-07-29 2008-02-07 Lex Kosowsky Voltage switchable dielectric material having conductive or semi-conductive organic material
US7981325B2 (en) 2006-07-29 2011-07-19 Shocking Technologies, Inc. Electronic device for voltage switchable dielectric material having high aspect ratio particles
US7872251B2 (en) 2006-09-24 2011-01-18 Shocking Technologies, Inc. Formulations for voltage switchable dielectric material having a stepped voltage response and methods for making the same
CN101595535A (zh) * 2006-09-24 2009-12-02 肖克科技有限公司 利用电压可切换电介质材料和光辅助进行电镀衬底器件的技术
US20090050856A1 (en) * 2007-08-20 2009-02-26 Lex Kosowsky Voltage switchable dielectric material incorporating modified high aspect ratio particles
US8206614B2 (en) * 2008-01-18 2012-06-26 Shocking Technologies, Inc. Voltage switchable dielectric material having bonded particle constituents
JP4725585B2 (ja) * 2008-02-01 2011-07-13 トヨタ自動車株式会社 負極活物質、リチウム二次電池、および負極活物質の製造方法
US20090220771A1 (en) * 2008-02-12 2009-09-03 Robert Fleming Voltage switchable dielectric material with superior physical properties for structural applications
CN101577332B (zh) * 2008-05-06 2014-03-12 安泰科技股份有限公司 一种锂离子电池负极材料及其制备方法
JP5357565B2 (ja) * 2008-05-27 2013-12-04 株式会社神戸製鋼所 リチウムイオン二次電池用負極材、および、その製造方法、ならびに、リチウムイオン二次電池
US9208931B2 (en) 2008-09-30 2015-12-08 Littelfuse, Inc. Voltage switchable dielectric material containing conductor-on-conductor core shelled particles
JP2012504870A (ja) 2008-09-30 2012-02-23 ショッキング テクノロジーズ インコーポレイテッド 導電コアシェル粒子を含有する電圧で切替可能な誘電体材料
JP5541560B2 (ja) * 2008-10-03 2014-07-09 株式会社Ｇｓユアサ 正極材料、正極材料の製造方法、及び該製造方法で製造された正極材料が備えられている非水電解質二次電池
JP5516929B2 (ja) * 2008-11-25 2014-06-11 独立行政法人産業技術総合研究所 負極用カーボンナノチューブ材料およびこれを負極とするリチウムイオン二次電池
US8272123B2 (en) 2009-01-27 2012-09-25 Shocking Technologies, Inc. Substrates having voltage switchable dielectric materials
US9226391B2 (en) 2009-01-27 2015-12-29 Littelfuse, Inc. Substrates having voltage switchable dielectric materials
US8399773B2 (en) * 2009-01-27 2013-03-19 Shocking Technologies, Inc. Substrates having voltage switchable dielectric materials
RU2397576C1 (ru) 2009-03-06 2010-08-20 ООО "Элионт" Анодный материал для литий-ионных хит и способ его получения
EP2412212A1 (en) * 2009-03-26 2012-02-01 Shocking Technologies Inc Components having voltage switchable dielectric materials
JP5351618B2 (ja) * 2009-06-05 2013-11-27 株式会社神戸製鋼所 リチウムイオン二次電池用負極材、および、その製造方法、ならびに、リチウムイオン二次電池
JP5330903B2 (ja) * 2009-06-08 2013-10-30 株式会社神戸製鋼所 リチウムイオン二次電池用負極材、および、その製造方法、ならびに、リチウムイオン二次電池
US9053844B2 (en) 2009-09-09 2015-06-09 Littelfuse, Inc. Geometric configuration or alignment of protective material in a gap structure for electrical devices
KR101093698B1 (ko) * 2010-01-05 2011-12-19 삼성에스디아이 주식회사 리튬 이차 전지용 음극 및 이를 포함하는 리튬 이차 전지
US9320135B2 (en) 2010-02-26 2016-04-19 Littelfuse, Inc. Electric discharge protection for surface mounted and embedded components
US9082622B2 (en) 2010-02-26 2015-07-14 Littelfuse, Inc. Circuit elements comprising ferroic materials
US9224728B2 (en) 2010-02-26 2015-12-29 Littelfuse, Inc. Embedded protection against spurious electrical events
DE102010018041A1 (de) * 2010-04-23 2011-10-27 Süd-Chemie AG Kohlenstoffhaltiges Verbundmaterial enthaltend eine sauerstoffhaltige Lithium-Übergangsmetallverbindung
CN102479948B (zh) * 2010-11-30 2015-12-02 比亚迪股份有限公司 一种锂离子电池的负极活性材料及其制备方法以及一种锂离子电池
KR101849976B1 (ko) * 2011-04-08 2018-05-31 삼성전자주식회사 전극 활물질, 그 제조방법, 이를 포함한 전극 및 이를 채용한 리튬 이차 전지
CN103548188B (zh) 2011-05-23 2016-03-30 株式会社Lg化学 具有增强的能量密度特性的高能量密度锂二次电池
WO2012161479A2 (ko) 2011-05-23 2012-11-29 주식회사 엘지화학 출력 밀도 특성이 향상된 고출력의 리튬 이차전지
KR101336083B1 (ko) 2011-05-23 2013-12-03 주식회사 엘지화학 출력 밀도 특성이 향상된 고출력의 리튬 이차전지
WO2012161476A2 (ko) 2011-05-23 2012-11-29 주식회사 엘지화학 에너지 밀도 특성이 향상된 고에너지 밀도의 리튬 이차전지
CN103503204B (zh) 2011-05-23 2016-03-09 株式会社Lg化学 具有增强的功率密度特性的高输出锂二次电池
WO2012161477A2 (ko) 2011-05-23 2012-11-29 주식회사 엘지화학 출력 밀도 특성이 향상된 고출력의 리튬 이차전지
KR101342601B1 (ko) * 2011-06-30 2013-12-19 삼성에스디아이 주식회사 음극 활물질, 그 제조방법 및 이를 포함하는 리튬 전지
CN103650212B (zh) 2011-07-13 2016-03-30 株式会社Lg化学 具有增强的能量密度特性的高能量锂二次电池
US9343732B2 (en) * 2011-09-23 2016-05-17 Samsung Electronics Co., Ltd. Electrode active material, electrode comprising the same, lithium battery comprising the electrode, and method of preparing the electrode active material
JP2013171798A (ja) * 2012-02-22 2013-09-02 National Institute Of Advanced Industrial & Technology ナトリウム二次電池用負極材料及びその製造方法、並びにナトリウム二次電池用負極、ナトリウム二次電池及びこれを用いた電気機器
JPWO2013146300A1 (ja) 2012-03-30 2015-12-10 戸田工業株式会社 非水電解質二次電池用負極活物質粒子粉末及びその製造方法、並びに非水電解質二次電池
JP6078986B2 (ja) * 2012-05-25 2017-02-15 日本電気株式会社 リチウムイオン二次電池用負極活物質、それを用いたリチウムイオン二次電池用負極およびリチウムイオン二次電池
CN103794766B (zh) * 2012-11-02 2016-01-20 华为技术有限公司 锂离子二次电池负极活性材料及其制备方法、锂离子二次电池负极极片和锂离子二次电池
CN103855368B (zh) * 2012-11-29 2016-03-30 华为技术有限公司 锂离子二次电池负极活性材料及其制备方法、锂离子二次电池负极极片和锂离子二次电池
KR102038620B1 (ko) * 2013-03-26 2019-10-30 삼성전자주식회사 음극, 이를 포함하는 리튬전지, 및 이의 제조 방법
JP2015011870A (ja) * 2013-06-28 2015-01-19 Jsr株式会社 電極活物質、電極及び蓄電デバイス
US10340520B2 (en) * 2014-10-14 2019-07-02 Sila Nanotechnologies, Inc. Nanocomposite battery electrode particles with changing properties
WO2016068740A1 (ru) * 2014-10-28 2016-05-06 Общество с ограниченной ответственностью "Литион" Анодный материал с покрытием и аккумулятор с металлическим анодом
RU2596023C2 (ru) * 2014-12-17 2016-08-27 Общество с ограниченной ответственностью "Литион" Анодный материал
US20160197352A1 (en) * 2015-01-07 2016-07-07 Ford Global Technologies, Llc. Physiochemical Pretreatment for Battery Current Collector
CN107112499B (zh) * 2015-02-25 2021-02-26 三洋电机株式会社 非水电解质二次电池用负极和非水电解质二次电池
CN107293701A (zh) * 2016-03-31 2017-10-24 比亚迪股份有限公司 一种锂离子电池负极活性材料及其制备方法、负极和包含该负极的锂离子电池
JP6914615B2 (ja) * 2016-04-06 2021-08-04 日新化成株式会社 リチウムイオン電池の負極材料、リチウムイオン電池、リチウムイオン電池の負極材料の製造方法及びその製造装置
WO2017190363A1 (zh) * 2016-05-06 2017-11-09 深圳先进技术研究院 一种负极活性材料及其制备方法、含所述负极活性材料的负极及二次电池
KR102580237B1 (ko) 2016-07-04 2023-09-20 삼성전자주식회사 복합 전극활물질, 이를 포함하는 리튬전지, 및 상기 복합 전극활물질의 제조방법
US10873075B2 (en) * 2017-09-01 2020-12-22 Nanograf Corporation Composite anode material including particles having buffered silicon-containing core and graphene-containing shell
KR102288294B1 (ko) * 2018-06-20 2021-08-10 주식회사 엘지화학 리튬 이차 전지용 양극 활물질 및 리튬 이차 전지
US11167375B2 (en) 2018-08-10 2021-11-09 The Research Foundation For The State University Of New York Additive manufacturing processes and additively manufactured products
CN111041303B (zh) * 2018-10-13 2021-06-01 天津大学 一种用非晶态合金制备Ti-Cu-Ni多孔材料的方法及其应用

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2110097C (en) * 1992-11-30 2002-07-09 Soichiro Kawakami Secondary battery
JP3581474B2 (ja) * 1995-03-17 2004-10-27 キヤノン株式会社 リチウムを利用する二次電池
JPH103920A (ja) 1996-06-17 1998-01-06 Toshiba Corp リチウム二次電池及びその製造方法
JP3805053B2 (ja) * 1997-02-10 2006-08-02 旭化成エレクトロニクス株式会社 リチウム二次電池
US5908715A (en) * 1997-05-30 1999-06-01 Hughes Electronics Corporation Composite carbon materials for lithium ion batteries, and method of producing same
JP2000203818A (ja) 1999-01-13 2000-07-25 Hitachi Chem Co Ltd 複合炭素粒子、その製造法、負極材料、リチウム二次電池用負極及びリチウム二次電池
JP4393610B2 (ja) 1999-01-26 2010-01-06 日本コークス工業株式会社 リチウム二次電池用負極材料、リチウム二次電池、及び同二次電池の充電方法
JP4457429B2 (ja) * 1999-03-31 2010-04-28 パナソニック株式会社 非水電解質二次電池とその負極
CA2314310C (en) * 1999-07-23 2005-08-30 Nec Corporation Method for producing film packed battery
JP4416232B2 (ja) 1999-11-16 2010-02-17 三菱化学株式会社 非水系リチウム二次電池用負極材並びにこれを用いた非水系リチウム二次電池
US6541156B1 (en) * 1999-11-16 2003-04-01 Mitsubishi Chemical Corporation Negative electrode material for non-aqueous lithium secondary battery, method for manufacturing the same, and non-aqueous lithium secondary battery using the same
EP1120339A1 (de) 2000-01-24 2001-08-01 Gernot Grobholz Rollreffsysteme für Segel mit Feder- oder Gummiantrieb
JP2001297757A (ja) 2000-04-14 2001-10-26 Sumitomo Metal Ind Ltd 非水電解質二次電池用負極材料およびその製造方法
US6780388B2 (en) * 2000-05-31 2004-08-24 Showa Denko K.K. Electrically conducting fine carbon composite powder, catalyst for polymer electrolyte fuel battery and fuel battery
US6733922B2 (en) * 2001-03-02 2004-05-11 Samsung Sdi Co., Ltd. Carbonaceous material and lithium secondary batteries comprising same
JP4104829B2 (ja) 2001-03-02 2008-06-18 三星エスディアイ株式会社 炭素質材料及びリチウム二次電池
KR100416140B1 (ko) * 2001-09-27 2004-01-28 삼성에스디아이 주식회사 리튬 이차 전지용 음극 활물질 및 그 제조 방법
JP3982230B2 (ja) 2001-10-18 2007-09-26 日本電気株式会社 二次電池用負極およびそれを用いた二次電池
KR100776912B1 (ko) 2003-06-25 2007-11-15 주식회사 엘지화학 리튬 이차 전지용 고용량 부극재
KR100587220B1 (ko) * 2003-12-08 2006-06-08 한국전기연구원 카본을 도포한 실리콘 분말의 제조 방법 및 이를 이용한리튬이차전지
KR100789093B1 (ko) * 2005-10-27 2007-12-26 주식회사 엘지화학 이차 전지용 고용량 전극활물질
KR100814618B1 (ko) * 2005-10-27 2008-03-18 주식회사 엘지화학 이차 전지용 전극활물질
KR100814617B1 (ko) * 2005-10-27 2008-03-18 주식회사 엘지화학 이차 전지용 전극활물질

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WO2004114439A1 (en) 2004-12-29
BRPI0411397B8 (pt) 2023-01-17
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BRPI0411397B1 (pt) 2016-01-19
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