JP7345470B2 - 表面安定化活物質粒子を含む複合アノード材料およびその作製方法 - Google Patents
表面安定化活物質粒子を含む複合アノード材料およびその作製方法 Download PDFInfo
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Description
によって測定される。
Claims (11)
- グラフェン、還元型酸化グラフェン、酸化グラフェン、またはこれらの組合せを含むカプセルと、
前記カプセルに包封された活物質粒子であり、各粒子が、
結晶質ケイ素を含むコア粒子、および
Li2Si2O5、Li2SiO3、Li4SiO4、またはこれらの組合せを含み、前記コア粒子を取り囲む緩衝層
を含む、活物質粒子と
を含み、前記カプセルが、前記カプセル内の前記活物質粒子が膨張できるように構成された内部空隙を形成する、アノード材料。 - 前記緩衝層が、Li2Si2O5を含む、請求項1に記載のアノード材料。
- 前記緩衝層が、Li2SiO3を含む、請求項1に記載のアノード材料。
- 前記緩衝層が、Li4SiO4を含む、請求項1に記載のアノード材料。
- 前記緩衝層が、5nmから50nmに及ぶ平均厚さを有する、請求項1に記載のアノード材料。
- 請求項1~4のいずれか一項に記載のアノード材料と、
結合剤と
を含む、アノード。 - グラフェン、還元型酸化グラフェン、酸化グラフェン、またはこれらの組合せを含むカプセルと、
前記カプセルに包封された活物質粒子であり、各粒子が、
電気化学的活物質、および
前記電気化学的活物質を取り囲む緩衝層
を含み、前記緩衝層と前記電気化学的活物質が異なる材料を含む、活物質粒子と、ならびに、
ポリテトラフルオロエチレン(PTFE)、ポリフッ化ビニリデン(PVDF)、ポリ(アクリル)酸、ポリエチレンテトラフルオロエチレン(ETFE)、ポリアミド、およびポリイミド、ポリエチレン(UHMW)、スチレン-ブタジエンゴム、セルロース、ポリアクリレートゴム、またはこれらの混合物を含む結合剤、
とを含むアノードであって、
前記アノードが、式
によって測定されたときに40パーセントから60パーセントに及ぶ内部気孔率を有する、
前記アノード。 - アノード材料を形成する方法であって、
結晶質ケイ素粒子を、不活性雰囲気中で、700℃から900℃に及ぶ第1の温度で加熱するステップと、
前記粒子を、酸化雰囲気中、前記第1の温度で第1の期間にわたり加熱して、結晶質ケイ素電気化学的活物質を取り囲む酸化ケイ素層をそれぞれが含む酸化粒子を形成するステップと、
前記酸化粒子を不活性雰囲気中で冷却するステップと
を含み、
前記アノード材料が
グラフェン、還元型酸化グラフェン、酸化グラフェン、またはこれらの組合せを含むカプセルと、
前記カプセル内に配置された活物質粒子であり、各粒子が、
前記酸化粒子、および
前記電気化学的活物質を取り囲む緩衝層
を含み、前記緩衝層と前記電気化学的活物質が異なる材料を含む、活物質粒子と
を含む、方法。 - 前記第1の期間が、10分から40分に及び、
前記粒子が管状炉内で加熱される、
請求項8に記載の方法。 - 前記酸化粒子、リチウム塩、および溶媒を混合して、混合物を形成するステップと、
前記混合物を乾燥させるステップと、
前記乾燥した混合物を、600℃から700℃に及ぶ温度で、不活性雰囲気中で第2の期間にわたり加熱して、結晶質ケイ素電気化学的活物質を取り囲むケイ酸リチウムを含む緩衝層を形成するステップと
をさらに含む、請求項8に記載の方法。 - 前記活物質粒子を、グラフェン、還元型酸化グラフェン、酸化グラフェン、またはこれらの組合せを含むカプセルに包封するのに噴霧乾燥プロセスを使用することをさらに含む、請求項10に記載の方法。
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US15/667,882 | 2017-08-03 | ||
US15/667,882 US10804530B2 (en) | 2017-08-03 | 2017-08-03 | Composite anode material including surface-stabilized active material particles and methods of making same |
PCT/US2018/042631 WO2019027673A2 (en) | 2017-08-03 | 2018-07-18 | COMPOSITE ANODE MATERIAL COMPRISING SURFACE-STABILIZED ACTIVE MATERIAL PARTICLES AND METHODS OF MANUFACTURING THE SAME |
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JP2020530194A JP2020530194A (ja) | 2020-10-15 |
JP2020530194A5 JP2020530194A5 (ja) | 2021-08-26 |
JP7345470B2 true JP7345470B2 (ja) | 2023-09-15 |
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EP (1) | EP3662526A4 (ja) |
JP (1) | JP7345470B2 (ja) |
KR (1) | KR20200030113A (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10804530B2 (en) | 2017-08-03 | 2020-10-13 | Nanograf Corporation | Composite anode material including surface-stabilized active material particles and methods of making same |
US11038195B2 (en) | 2018-06-01 | 2021-06-15 | Global Graphene Group, Inc. | Multi-level graphene-protected anode active material particles for battery applications |
US11018336B2 (en) * | 2018-06-06 | 2021-05-25 | Global Graphene Group, Inc. | Multi-level graphene-protected anode active material particles for fast-charging lithium-ion batteries |
CN111293284B (zh) * | 2018-12-07 | 2023-02-28 | 贝特瑞新材料集团股份有限公司 | 一种负极材料、及其制备方法和用途 |
KR102564970B1 (ko) * | 2019-03-12 | 2023-08-09 | 주식회사 엘지에너지솔루션 | 음극 및 이를 포함하는 이차전지 |
CN112751029A (zh) * | 2019-10-30 | 2021-05-04 | 贝特瑞新材料集团股份有限公司 | 一种硅氧复合负极材料及其制备方法和锂离子电池 |
EP4055650A4 (en) | 2019-11-06 | 2024-03-27 | Nanograf Corp | THERMALLY DISPROPORTIONED ANODE ACTIVE MATERIAL INCLUDING TURBOSTRATIC CARBON COATING |
US20230197935A1 (en) * | 2020-03-16 | 2023-06-22 | The Johns Hopkins University | Ultra-stable silicon anode by three-dimensional nanoarchitecture design |
CN111509224B (zh) * | 2020-04-17 | 2021-07-23 | 中南大学 | 一种联动改性的富锂锰基正极材料及其制备方法 |
CN112320792B (zh) * | 2020-11-03 | 2023-03-24 | 青岛泰达华润新能源科技有限公司 | 一种锂离子电池用的负极材料的制备方法及其产品 |
CN112421008B (zh) * | 2020-11-23 | 2022-09-02 | 上海纳米技术及应用国家工程研究中心有限公司 | 用于锂离子电池负极的碳包覆氧化亚硅材料的制备方法及其产品和应用 |
CN113247915B (zh) * | 2021-06-08 | 2022-07-29 | 哈尔滨工程大学 | 利用长碳链咪唑诱导制备二维magadiite/氧化石墨烯纳米片复合物的方法 |
CN114864909A (zh) * | 2022-06-13 | 2022-08-05 | 珠海冠宇电池股份有限公司 | 一种负极材料及包括该负极材料的负极片和电池 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012140790A1 (ja) | 2011-04-13 | 2012-10-18 | エス・イー・アイ株式会社 | リチウム二次電池用電極材およびリチウム二次電池 |
CN103311526A (zh) | 2013-06-09 | 2013-09-18 | 深圳市贝特瑞新能源材料股份有限公司 | 一种氧化硅/碳复合材料及其制备方法与用途 |
WO2017083028A1 (en) | 2015-11-11 | 2017-05-18 | Sabic Global Technologies B.V. | Multi-layered graphene material having a plurality of yolk/shell structures |
CN106816594A (zh) | 2017-03-06 | 2017-06-09 | 深圳市贝特瑞新能源材料股份有限公司 | 一种复合物、其制备方法及在锂离子二次电池中的用途 |
US20170187070A1 (en) | 2015-12-24 | 2017-06-29 | Samsung Electronics Co., Ltd. | Lithium secondary battery |
JP2018506818A (ja) | 2014-12-31 | 2018-03-08 | オレンジ パワー リミテッド | シリコン系負極活物質及びその製造方法 |
JP2018048070A (ja) | 2016-09-19 | 2018-03-29 | 三星電子株式会社Samsung Electronics Co., Ltd. | 多孔性シリコン複合体クラスタ、それを利用した炭素複合体、並びにそれを含んだ、電極、リチウム電池、電界放出素子、バイオセンサ、半導体素子及び熱電素子 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4752508B2 (ja) | 2003-12-26 | 2011-08-17 | 日本電気株式会社 | 二次電池用負極材料、二次電池用負極およびそれを用いた二次電池 |
TWI263702B (en) | 2004-12-31 | 2006-10-11 | Ind Tech Res Inst | Anode materials of secondary lithium-ion battery |
JP4985949B2 (ja) | 2006-03-27 | 2012-07-25 | 信越化学工業株式会社 | 珪素−珪素酸化物−リチウム系複合体の製造方法、並びに非水電解質二次電池用負極材 |
US7776473B2 (en) * | 2006-03-27 | 2010-08-17 | Shin-Etsu Chemical Co., Ltd. | Silicon-silicon oxide-lithium composite, making method, and non-aqueous electrolyte secondary cell negative electrode material |
JP5503858B2 (ja) * | 2008-09-22 | 2014-05-28 | 株式会社東芝 | 非水電解質電池用負極活物質及び非水電解質電池 |
US8551650B2 (en) | 2011-05-12 | 2013-10-08 | Northwestern University | Graphene materials having randomly distributed two-dimensional structural defects |
US10135059B2 (en) | 2011-06-30 | 2018-11-20 | Northwestern University | Crumpled particles, methods of synthesizing same and applications using same |
US10135063B2 (en) | 2011-06-30 | 2018-11-20 | Northwestern University | Crumpled graphene-encapsulated nanostructures and lithium ion battery anodes made therefrom |
US20140234722A1 (en) * | 2011-08-31 | 2014-08-21 | Tohoku University | Si/C COMPOSITE MATERIAL, METHOD FOR MANUFACTURING THE SAME, AND ELECTRODE |
IN2014MN00954A (ja) | 2011-10-24 | 2015-04-24 | Lg Chemical Ltd | |
JP6050106B2 (ja) * | 2011-12-21 | 2016-12-21 | 株式会社半導体エネルギー研究所 | 非水二次電池用シリコン負極の製造方法 |
US20130230769A1 (en) | 2012-02-01 | 2013-09-05 | Electrochemical Materials | Silicon and lithium silicate composite anodes for lithium rechargeable batteries |
US20120171560A1 (en) | 2012-02-01 | 2012-07-05 | Electrochemical Materials, LLC | Silicon and lithium silicate composite anodes for lithium rechargeable batteries and preparation method thereof |
JP2014073942A (ja) | 2012-10-05 | 2014-04-24 | Osaka Titanium Technologies Co Ltd | リチウム含有酸化珪素粉末の製造方法、およびリチウム含有酸化珪素粉末 |
JP6239326B2 (ja) * | 2013-09-20 | 2017-11-29 | 株式会社東芝 | 非水電解質二次電池用負極材料、非水電解質二次電池用負極、非水電解質二次電池及び電池パック |
JP6474548B2 (ja) | 2014-01-16 | 2019-02-27 | 信越化学工業株式会社 | 非水電解質二次電池用負極材及び負極活物質粒子の製造方法 |
KR101914093B1 (ko) | 2015-06-03 | 2018-11-01 | 성균관대학교산학협력단 | 요크-쉘 구조체, 이의 제조 방법, 및 이를 포함하는 이차전지 음극재 |
US10115998B2 (en) | 2015-06-22 | 2018-10-30 | SiNode Systems, Inc. | Cathode additives to provide an excess lithium source for lithium ion batteries |
JP6470418B2 (ja) | 2015-08-28 | 2019-02-13 | 株式会社大阪チタニウムテクノロジーズ | Li含有酸化珪素粉末及びその製造方法 |
US11189825B2 (en) * | 2015-11-13 | 2021-11-30 | Nanograf Corporation | Graphene-encapsulated electroactive material for use in a lithium ion electrochemical cell |
WO2018074175A1 (ja) | 2016-10-19 | 2018-04-26 | 株式会社大阪チタニウムテクノロジーズ | 酸化珪素系負極材及びその製造方法 |
US10804530B2 (en) | 2017-08-03 | 2020-10-13 | Nanograf Corporation | Composite anode material including surface-stabilized active material particles and methods of making same |
CN111936422A (zh) | 2018-03-30 | 2020-11-13 | 株式会社大阪钛技术 | 氧化硅粉末的制造方法及负极材料 |
-
2017
- 2017-08-03 US US15/667,882 patent/US10804530B2/en active Active
-
2018
- 2018-07-18 KR KR1020207005927A patent/KR20200030113A/ko not_active Application Discontinuation
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- 2018-07-18 JP JP2020529091A patent/JP7345470B2/ja active Active
-
2020
- 2020-09-23 US US17/029,729 patent/US11916221B2/en active Active
-
2024
- 2024-01-24 US US18/421,341 patent/US20240162412A1/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012140790A1 (ja) | 2011-04-13 | 2012-10-18 | エス・イー・アイ株式会社 | リチウム二次電池用電極材およびリチウム二次電池 |
CN103311526A (zh) | 2013-06-09 | 2013-09-18 | 深圳市贝特瑞新能源材料股份有限公司 | 一种氧化硅/碳复合材料及其制备方法与用途 |
JP2018506818A (ja) | 2014-12-31 | 2018-03-08 | オレンジ パワー リミテッド | シリコン系負極活物質及びその製造方法 |
WO2017083028A1 (en) | 2015-11-11 | 2017-05-18 | Sabic Global Technologies B.V. | Multi-layered graphene material having a plurality of yolk/shell structures |
US20170187070A1 (en) | 2015-12-24 | 2017-06-29 | Samsung Electronics Co., Ltd. | Lithium secondary battery |
JP2018048070A (ja) | 2016-09-19 | 2018-03-29 | 三星電子株式会社Samsung Electronics Co., Ltd. | 多孔性シリコン複合体クラスタ、それを利用した炭素複合体、並びにそれを含んだ、電極、リチウム電池、電界放出素子、バイオセンサ、半導体素子及び熱電素子 |
CN106816594A (zh) | 2017-03-06 | 2017-06-09 | 深圳市贝特瑞新能源材料股份有限公司 | 一种复合物、其制备方法及在锂离子二次电池中的用途 |
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US20210057720A1 (en) | 2021-02-25 |
US11916221B2 (en) | 2024-02-27 |
EP3662526A2 (en) | 2020-06-10 |
EP3662526A4 (en) | 2021-05-19 |
KR20200030113A (ko) | 2020-03-19 |
US20240162412A1 (en) | 2024-05-16 |
US10804530B2 (en) | 2020-10-13 |
WO2019027673A3 (en) | 2019-04-11 |
JP2020530194A (ja) | 2020-10-15 |
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CN111095624A (zh) | 2020-05-01 |
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