JP2014224028A - 体積変化を緩和できるSi―ブロック共重合体コア―シェルナノ粒子及びこれを用いたリチウム二次電池用負極活物質 - Google Patents
体積変化を緩和できるSi―ブロック共重合体コア―シェルナノ粒子及びこれを用いたリチウム二次電池用負極活物質 Download PDFInfo
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Abstract
Description
Claims (22)
- Siコア;及び
Siとの親和度が高いブロック及びSiとの親和度が低いブロックを含み、前記Siコアを中心に球状のミセル構造を形成するブロック共重合体シェル;を含むSi―ブロック共重合体コア―シェルナノ粒子。 - 前記Siコアと前記ブロック共重合体シェルの重量比は2:1ないし1000:1である、請求項1に記載のSi―ブロック共重合体コア―シェルナノ粒子。
- 前記Siコアと前記ブロック共重合体シェルの重量比は4:1ないし20:1である、請求項1に記載のSi―ブロック共重合体コア―シェルナノ粒子。
- 前記Siコアは2nmないし200nmの直径を有する球状である、請求項1に記載のSi―ブロック共重合体コア―シェルナノ粒子。
- 前記ブロック共重合体シェルの厚さは1nmないし50nmである、請求項1に記載のSi―ブロック共重合体コア―シェルナノ粒子。
- 前記Si―ブロック共重合体コア―シェルナノ粒子の全体直径は4nmないし300nmである、請求項1に記載のSi―ブロック共重合体コア―シェルナノ粒子。
- 前記Siコアの直径と前記ブロック共重合体シェルの厚さの比は1:25ないし200:1である、請求項1に記載のSi―ブロック共重合体コア―シェルナノ粒子。
- 前記Siとの親和度が高いブロックは、ポリアクリル酸、ポリアクリレート、ポリメタクリル酸、ポリメチルメタクリレート、ポリアクリルアミド、カルボキシメチルセルロース、ポリビニルアセテート、又はポリマレイン酸である、請求項1に記載のSi―ブロック共重合体コア―シェルナノ粒子。
- 前記Siとの親和度が低いブロックは、ポリスチレン、ポリアクリロニトリル、ポリフェノール、ポリエチレングリコール、ポリラウリルメタクリレート、又はポリビニルジフルオライドである、請求項1に記載のSi―ブロック共重合体コア―シェルナノ粒子。
- 前記ブロック共重合体シェルは、ポリアクリル酸―ポリスチレンブロック共重合体シェルである、請求項1に記載のSi―ブロック共重合体コア―シェルナノ粒子。
- 前記ポリアクリル酸の数平均分子量(Mn)は100ないし100,000である、請求項10に記載のSi―ブロック共重合体コア―シェルナノ粒子。
- 前記ポリスチレンの数平均分子量(Mn)は100ないし100,000である、請求項10に記載のSi―ブロック共重合体コア―シェルナノ粒子。
- a)Siとの親和度が高いブロック及びSiとの親和度が低いブロックからなるブロック共重合体を溶媒と混合する段階;
b)前記混合溶液にSi粒子を添加する段階;及び
c)前記Si粒子が添加された混合溶液を分散及びコーティングする段階;を含むSi―ブロック共重合体コア―シェルナノ粒子を含む混合溶液の製造方法。 - 前記a)段階で、溶媒は、N―メチル―2―ピロリドン(NMP)、テトラヒドロフラン(THF)、水、メタノール、エタノール、シクロヘキサノール、シクロヘキサノン、メチルエチルケトン、アセトン、ジメチルスルホキシド(DMSO)及びこれらの組み合わせからなる群より選ばれた一つ以上である、請求項13に記載のSi―ブロック共重合体コア―シェルナノ粒子を含む混合溶液の製造方法。
- 前記a)段階で、Siとの親和度が高いブロックは、ポリアクリル酸、ポリアクリレート、ポリメタクリル酸、ポリメチルメタクリレート、ポリアクリルアミド、カルボキシメチルセルロース、ポリビニルアセテート、又はポリマレイン酸である、請求項13に記載のSi―ブロック共重合体コア―シェルナノ粒子を含む混合溶液の製造方法。
- 前記a)段階で、Siとの親和度が低いブロックは、ポリスチレン、ポリアクリロニトリル、ポリフェノール、ポリエチレングリコール、ポリラウリルメタクリレート、又はポリビニルジフルオライドである、請求項13に記載のSi―ブロック共重合体コア―シェルナノ粒子を含む混合溶液の製造方法。
- 前記c)段階で、分散及びコーティングは、超音波処理、ファインミル(fine mill)処理、ボールミル(ball mill)処理、3段ロールミル(three roll mill)処理、スタンプミル(stamp mill)処理、エディーミル(eddy mill)処理、ホモミキサー(homo mixer)処理、遠心混合器(planetary centrifugal mixer)処理、均質器(homogenizer)処理又は加振器(vibration shaker)処理によって行われる、請求項13に記載のSi―ブロック共重合体コア―シェルナノ粒子を含む混合溶液の製造方法。
- 前記超音波処理時には、10kHzないし100kHzの超音波を1分ないし120分間処理する、請求項17に記載のSi―ブロック共重合体コア―シェルナノ粒子を含む混合溶液の製造方法。
- 請求項1ないし請求項12のいずれか1項によるSi―ブロック共重合体コア―シェルナノ粒子が炭化されて形成されたSi―ブロック共重合体コア―シェルナノ炭化粒子。
- 内部に気孔を含む非晶質系炭素;及び
前記気孔の内部に分散されている請求項19項によるSi―ブロック共重合体コア―シェルナノ炭化粒子;を含むリチウム二次電池用負極活物質。 - 前記非晶質系炭素は、ソフトカーボン(soft carbon)又はハードカーボン(hard carbon)である、請求項20に記載のリチウム二次電池用負極活物質。
- 前記Si―ブロック共重合体コア―シェルナノ炭化粒子のシェルの厚さは、炭化される前のSi―ブロック共重合体コア―シェルナノ粒子のブロック共重合体シェルの厚さに対して10%ないし50%である、請求項20に記載のリチウム二次電池用負極活物質。
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KR1020130054163A KR101458309B1 (ko) | 2013-05-14 | 2013-05-14 | 부피 변화를 완화할 수 있는 Si-블록 공중합체 코어-쉘 나노 입자 및 이를 이용한 리튬 이차전지용 음극활물질 |
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KR101786195B1 (ko) * | 2015-08-28 | 2017-10-18 | 오씨아이 주식회사 | 탄소-실리콘 복합체 및 이를 포함하는 이차전지용 음극활물질 |
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WO2018084252A1 (ja) * | 2016-11-04 | 2018-05-11 | 日産自動車株式会社 | 電池用電極及び電池 |
WO2018110386A1 (ja) | 2016-12-15 | 2018-06-21 | 昭和電工株式会社 | 粒状複合材、リチウムイオン二次電池用負極及びその製造方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10439208B2 (en) * | 2013-07-31 | 2019-10-08 | Lg Chem, Ltd. | Negative electrode active material for secondary batteries having improved lifespan characteristics |
KR102452944B1 (ko) * | 2015-05-12 | 2022-10-11 | 삼성전자주식회사 | 전해질 복합체, 및 이를 포함하는 음극과 리튬 이차 전지 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004221014A (ja) * | 2003-01-17 | 2004-08-05 | Hitachi Chem Co Ltd | ブロック共重合体を用いた電池用バインダ樹脂組成物、電極及び電池 |
JP2011040326A (ja) * | 2009-08-17 | 2011-02-24 | Toyota Industries Corp | 非水系二次電池用負極および非水系二次電池 |
JP2012501951A (ja) * | 2008-09-12 | 2012-01-26 | コミッサリア ア ロンネルジー アトミック エ オ ゾンネルジー ザルテルナティーフ | ケイ素/炭素複合物質を調製するためのプロセス、こうして調製された物質、およびこの物質を含む電極、特に負電極 |
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CN100452493C (zh) * | 2003-01-06 | 2009-01-14 | 三星Sdi株式会社 | 再充电锂电池用的负极活性材料、其制法和再充电锂电池 |
US20090186267A1 (en) * | 2008-01-23 | 2009-07-23 | Tiegs Terry N | Porous silicon particulates for lithium batteries |
KR101378125B1 (ko) * | 2010-04-19 | 2014-03-25 | 주식회사 엘지화학 | 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
US9209456B2 (en) * | 2010-10-22 | 2015-12-08 | Amprius, Inc. | Composite structures containing high capacity porous active materials constrained in shells |
KR101442318B1 (ko) * | 2011-07-05 | 2014-09-25 | 울산대학교 산학협력단 | 실리콘-탄소 코어쉘을 이용한 리튬이차전지용 음극활물질 및 이의 제조방법 |
CN102299306B (zh) * | 2011-07-15 | 2015-01-21 | 中国科学院广州能源研究所 | 聚(3,4-乙撑二氧噻吩)包覆及其为碳源的纳米硅复合锂离子电池负极材料及其制备方法 |
CN102786061B (zh) * | 2012-07-20 | 2014-01-29 | 东华大学 | 一种中空介孔二氧化硅纳米粒子的制备方法 |
-
2013
- 2013-05-14 KR KR1020130054163A patent/KR101458309B1/ko active IP Right Grant
-
2014
- 2014-02-28 JP JP2014038716A patent/JP5779681B2/ja active Active
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-
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- 2016-03-28 US US15/083,094 patent/US20160285104A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004221014A (ja) * | 2003-01-17 | 2004-08-05 | Hitachi Chem Co Ltd | ブロック共重合体を用いた電池用バインダ樹脂組成物、電極及び電池 |
JP2012501951A (ja) * | 2008-09-12 | 2012-01-26 | コミッサリア ア ロンネルジー アトミック エ オ ゾンネルジー ザルテルナティーフ | ケイ素/炭素複合物質を調製するためのプロセス、こうして調製された物質、およびこの物質を含む電極、特に負電極 |
JP2011040326A (ja) * | 2009-08-17 | 2011-02-24 | Toyota Industries Corp | 非水系二次電池用負極および非水系二次電池 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016094333A (ja) * | 2014-10-29 | 2016-05-26 | オーシーアイ カンパニー リミテッドOCI Company Ltd. | コアシェル構造ナノシリコンの高分子分散溶液製造装置 |
KR101786195B1 (ko) * | 2015-08-28 | 2017-10-18 | 오씨아이 주식회사 | 탄소-실리콘 복합체 및 이를 포함하는 이차전지용 음극활물질 |
KR20180016586A (ko) | 2015-10-01 | 2018-02-14 | 쇼와 덴코 가부시키가이샤 | 리튬 이온 이차전지의 부전극 제조용 입상 복합재 |
WO2018084252A1 (ja) * | 2016-11-04 | 2018-05-11 | 日産自動車株式会社 | 電池用電極及び電池 |
US10601050B2 (en) | 2016-11-04 | 2020-03-24 | Nissan Motor Co., Ltd. | Electrode for cell, and cell |
WO2018110386A1 (ja) | 2016-12-15 | 2018-06-21 | 昭和電工株式会社 | 粒状複合材、リチウムイオン二次電池用負極及びその製造方法 |
KR20190074322A (ko) | 2016-12-15 | 2019-06-27 | 쇼와 덴코 가부시키가이샤 | 입상 복합재, 리튬이온 이차전지용 음극 및 그 제조 방법 |
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KR101458309B1 (ko) | 2014-11-04 |
JP5779681B2 (ja) | 2015-09-16 |
US20160285104A1 (en) | 2016-09-29 |
US20140342222A1 (en) | 2014-11-20 |
CN104157862B (zh) | 2017-04-26 |
CN104157862A (zh) | 2014-11-19 |
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