JP2017520089A - 多孔質シリコン電極および方法 - Google Patents
多孔質シリコン電極および方法 Download PDFInfo
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Abstract
Description
本願は、出願日2014年6月20日、名称「POROUS SILICON ELECTRODE AND METHOD」の米国特許仮出願番号第62/015,019号に対する優先権を主張し、同仮出願全体を参照により本明細書に組み込む。
本発明は、シリコン・ベース材料の微細構造および方法に関する。一例では、本発明は、リチウムイオン・バッテリー用のシリコン・ベースのアノードに関する。
リチウムイオン・バッテリーなどの改良されたバッテリーが所望される。改良可能なバッテリー構造の一例は、アノード構造である。
Mg(g)+SiO2→Si(s)+MgO(s) (1)
Mg(g)+Si(s)→Mg2Si(s) (2)
[実施例]
Claims (10)
- バッテリー電極を形成する方法であって、
酸化シリコン粉末と塩化ナトリウムとを混合することと、
還元剤を添加することと、
シリコンを生成するために、前記酸化シリコン−塩化ナトリウム混合物を還元することと、
多孔質シリコン微細構造を形成するために、前記還元されたシリコンにエッチングを施すことと
を含む方法。 - 前記酸化シリコン−塩化ナトリウム混合物を還元することが、前記酸化シリコン−塩化ナトリウム混合物をマグネシウム熱還元することを含む、
請求項1に記載の方法。 - 酸化シリコン粉末と塩化ナトリウムとを混合することが、重量で約1:10の酸化シリコン対塩化ナトリウム比で酸化シリコン粉末と塩化ナトリウムとを混合することを含む、
請求項1に記載の方法。 - 重量で約1:0.9の酸化シリコン対マグネシウム比で、前記酸化シリコン粉末および前記塩化ナトリウムにマグネシウム粉末を混合することを更に含む、
請求項2に記載の方法。 - 前記多孔質シリコン微細構造を炭素コーティングでコーティングすることを更に含む、
請求項1に記載の方法。 - 前記多孔質シリコン微細構造を炭素コーティングでコーティングすることが、前記多孔質シリコン微細構造をアモルファス炭素コーティングでコーティングすることを含む、
請求項5に記載の方法。 - 約300〜350m2g−1の比表面積および約9nmの孔直径を有する多孔質シリコン材料を含む第1の電極と、
第2の電極と、
前記第1の電極と前記第2の電極との両方に接触する電解質と
を備えるバッテリー。 - 前記多孔質シリコン材料を覆った炭素コーティングを更に含む、
請求項7に記載のバッテリー。 - 前記第1の電極が、炭素コーティングを施された多孔質シリコン粒子と、アセチレンブラックと、ポリアクリル酸との混合物を含む、
請求項8に記載のバッテリー。 - 前記電解質が、炭酸エチレンと炭酸ジメチルとの混合物を含む、
請求項7に記載のバッテリー。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462015019P | 2014-06-20 | 2014-06-20 | |
US62/015,019 | 2014-06-20 | ||
PCT/US2015/036719 WO2015196088A1 (en) | 2014-06-20 | 2015-06-19 | Porous silicon electrode and method |
Publications (2)
Publication Number | Publication Date |
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JP2017520089A true JP2017520089A (ja) | 2017-07-20 |
JP6807233B2 JP6807233B2 (ja) | 2021-01-06 |
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Application Number | Title | Priority Date | Filing Date |
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JP2016573954A Active JP6807233B2 (ja) | 2014-06-20 | 2015-06-19 | バッテリー電極を形成する方法、及び、バッテリーを形成する方法 |
Country Status (6)
Country | Link |
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US (1) | US20170194631A1 (ja) |
EP (1) | EP3158599B1 (ja) |
JP (1) | JP6807233B2 (ja) |
KR (1) | KR20170023076A (ja) |
CN (1) | CN107078273A (ja) |
WO (1) | WO2015196088A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021022554A (ja) * | 2019-07-26 | 2021-02-18 | トヨタ自動車株式会社 | 負極活物質、負極活物質の製造方法および電池 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
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US10246337B2 (en) * | 2017-02-17 | 2019-04-02 | Battelle Memorial Institute | Safe and low temperature thermite reaction systems and method to form porous silicon |
KR102201589B1 (ko) * | 2017-06-12 | 2021-01-11 | 주식회사 엘지화학 | 중공형 실리콘계 입자의 제조 방법 |
KR102007562B1 (ko) * | 2017-08-11 | 2019-08-05 | 전남대학교산학협력단 | 나노 다공성 실리콘, 그 제조 방법, 및 그를 포함하는 리튬이온전지 |
KR102144771B1 (ko) * | 2017-08-25 | 2020-08-18 | 동아대학교 산학협력단 | 다공성 실리콘-탄소 복합체의 제조방법, 상기 제조방법에 의해 제조된 다공성 실리콘-탄소 복합체를 포함하는 이차전지 음극 및 상기 이차전지 음극을 포함하는 이차전지 |
GB201803983D0 (en) | 2017-09-13 | 2018-04-25 | Unifrax I Llc | Materials |
CN108172787B (zh) * | 2017-09-18 | 2020-10-30 | 浙江大学 | 一种单分散空心纳米硅/碳球及其制备方法和应用 |
US11367869B2 (en) * | 2018-04-19 | 2022-06-21 | The Regents Of The University Of California | Glass bottles based silicon electrode materials |
US11831012B2 (en) * | 2019-04-25 | 2023-11-28 | StoreDot Ltd. | Passivated silicon-based anode material particles |
US11584653B2 (en) | 2020-11-13 | 2023-02-21 | Ionobell, Inc. | Silicon material and method of manufacture |
US11242258B1 (en) * | 2020-11-13 | 2022-02-08 | ionobell Inc. | Method of manufacture of porous silicon |
US11066305B1 (en) | 2020-11-13 | 2021-07-20 | ionobell Inc | Porous silicon manufactured from fumed silica |
US20220380606A1 (en) | 2021-05-25 | 2022-12-01 | Ionobell, Inc. | Silicon material and method of manufacture |
WO2023064395A1 (en) | 2021-10-12 | 2023-04-20 | Ionobell, Inc | Silicon battery and method for assembly |
WO2023114211A2 (en) | 2021-12-13 | 2023-06-22 | Ionobell, Inc. | Porous silicon material and method of manufacture |
CN116873932A (zh) * | 2023-07-28 | 2023-10-13 | 北京华威锐科化工有限公司 | 一种高纯片状硅生产系统及制备方法 |
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- 2015-06-19 EP EP15808900.3A patent/EP3158599B1/en active Active
- 2015-06-19 CN CN201580041783.0A patent/CN107078273A/zh active Pending
- 2015-06-19 JP JP2016573954A patent/JP6807233B2/ja active Active
- 2015-06-19 US US15/320,686 patent/US20170194631A1/en not_active Abandoned
- 2015-06-19 KR KR1020177001137A patent/KR20170023076A/ko not_active Application Discontinuation
- 2015-06-19 WO PCT/US2015/036719 patent/WO2015196088A1/en active Application Filing
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JP6807233B2 (ja) | 2021-01-06 |
EP3158599B1 (en) | 2019-06-05 |
US20170194631A1 (en) | 2017-07-06 |
EP3158599A1 (en) | 2017-04-26 |
KR20170023076A (ko) | 2017-03-02 |
EP3158599A4 (en) | 2017-11-22 |
WO2015196088A1 (en) | 2015-12-23 |
CN107078273A (zh) | 2017-08-18 |
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