JP6892382B2 - 電池電極用の電極材料を製造する方法 - Google Patents
電池電極用の電極材料を製造する方法 Download PDFInfo
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Description
a)ケイ素源、炭素源およびドーパントを含む、混合物を得るステップであって、少なくともケイ素源および炭素源が固形粒状体の粒子中に共通に供給されるステップと、
b)ステップa)で得られた混合物を≧1400℃から≦2000℃の範囲内、特に≧1650℃から≦1850℃の範囲内の温度で処理するステップであって、堆積面を備える反応器内で実行され、その堆積面の温度が、反応器の少なくとも1つの別の内面に比べて低くされるステップとを含む。
c)ケイ素源、炭素源、および任意選択でドーパントを含む前駆物質混合物を供給するステップであって、この前駆物質混合物が溶剤中に存在するステップと、
d)前駆物質混合物を乾燥させながら、前駆物質混合物を、特に室温(22℃)に比べて高温で処理するステップと、
e)任意選択で、乾燥させた前駆物質混合物を≧800℃から≦1200℃の範囲の、特に≧900℃から≦1100℃の範囲の温度まで加熱するステップと
を含むようにしてもよい。
Claims (14)
- 電池用の電極材料を製造する方法であって、前記電極材料がナノ構造化炭化ケイ素繊維を含み、
a)ケイ素源、炭素源およびドーパントを含む、混合物を得るステップであって、少なくとも前記ケイ素源および前記炭素源が固形粒状体の粒子中に共通に存在し、前記固形粒状体中に炭素が、ケイ素に比べて等モル量より大きい量で存在するステップと、
b)ステップa)で得られた前記混合物を≧1400℃から≦2000℃の範囲内の設定温度で処理するステップであって、堆積面を備える反応器内で実行され、その堆積面の温度が、前記設定温度より≧30℃から≦200℃の範囲内で低くされるステップと
を含むことを特徴とする、方法。 - 前記電池がリチウムイオン電池であることを特徴とする、請求項1に記載の方法。
- ステップa)で得られた前記固形粒状体が、ゾル・ゲル・プロセスを使用することによって調製されることを特徴とする、請求項1又は2に記載の方法。
- 前記ゾル・ゲル・プロセスが少なくとも以下の、
c)ケイ素源、炭素源、および任意選択でドーパントを含む前駆物質混合物を供給するステップであって、前記前駆物質混合物が溶剤中に存在するステップと、
d)前記前駆物質混合物を乾燥させながら、前記前駆物質混合物を22℃に比べて高温で処理するステップと、
e)任意選択で、前記ステップd)で処理された前駆物質混合物を≧800℃から≦1200℃の範囲内の温度まで加熱するステップと
を含むことを特徴とする、請求項3に記載の方法。 - 前記ステップd)における前記前駆物質混合物の処理中に、≧1μmから≦10μmの範囲のサイズの固体粒子が形成されることを特徴とする、請求項4に記載の方法。
- 前記ステップd)における前記前駆物質混合物の処理中に、>10μmから≦2mmの範囲のサイズの固体粒子が形成されることを特徴とする、請求項4に記載の方法。
- 電池電極を製造するための、請求項1〜6のいずれか一項に記載の方法の使用。
- リチウムイオン電池の電極を製造するための、請求項1〜6のいずれか一項に記載の方法の使用。
- 請求項1〜6のいずれか一項に記載の方法によって製造されたナノ構造化炭化ケイ素繊維の表面に炭素膜を有することを特徴とする、電池電極用の電極材料。
- 請求項1〜6のいずれか一項に記載の方法によって製造されたナノ構造化炭化ケイ素繊維の表面に炭素膜を有することを特徴とする、リチウムイオン電池電極用の電極材料。
- 請求項9に記載の電極材料を含むことを特徴とする、電池電極。
- 請求項10に記載の電極材料を含むことを特徴とする、リチウムイオン電池電極。
- 請求項11又は12に記載の電池電極を備えることを特徴とする、電池。
- 請求項11又は12に記載の電池電極が陽極として構成されることを特徴とする、電池。
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DE102014116868.2 | 2014-11-18 | ||
DE102014116868.2A DE102014116868A1 (de) | 2014-11-18 | 2014-11-18 | Verfahren zum Herstellen eines Elektrodenmaterials für eine Batterieelektrode |
PCT/EP2015/076088 WO2016078955A1 (de) | 2014-11-18 | 2015-11-09 | Verfahren zum herstellen eines elektrodenmaterials für eine batterieelektrode |
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KR101868686B1 (ko) * | 2016-06-30 | 2018-06-19 | 중앙대학교 산학협력단 | 이온전도성 막의 제조 방법 |
DE102017114243A1 (de) | 2017-06-27 | 2018-12-27 | Psc Technologies Gmbh | Verfahren zur Herstellung von siliciumcarbidhaltigen Fasern und Schäumen sowie ihre Verwendung |
KR102244952B1 (ko) * | 2017-11-06 | 2021-04-27 | 주식회사 엘지화학 | 음극 활물질, 상기 음극 활물질을 포함하는 음극, 상기 음극을 포함하는 이차 전지, 및 상기 음극 활물질의 제조 방법 |
DE102018100681A1 (de) * | 2018-01-12 | 2019-07-18 | Universität Paderborn | Verfahren zum Herstellen von Siliziumcarbid |
DE102018127877A1 (de) | 2018-11-08 | 2020-05-14 | Psc Technologies Gmbh | Präkursormaterial für die Herstellung siliciumcarbidhaltiger Materialien |
DE102019102083A1 (de) | 2019-01-28 | 2020-07-30 | Ludwig Schletter | Nanopartikuläres Siliziumcarbid und Elektrode umfassend nanopartikuläres Siliziumcarbid |
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JP2002056843A (ja) * | 2000-08-09 | 2002-02-22 | Sumitomo Metal Ind Ltd | リチウム二次電池用負極材料とその製造方法 |
FR2885734B1 (fr) * | 2005-05-13 | 2013-07-05 | Accumulateurs Fixes | Materiau nanocomposite pour anode d'accumulateur au lithium |
JP2008066128A (ja) | 2006-09-07 | 2008-03-21 | Bridgestone Corp | リチウムイオン電池用負極活物質及びその製造方法、リチウムイオン電池用負極、並びにリチウムイオン電池 |
ES2910086T3 (es) * | 2009-05-19 | 2022-05-11 | Oned Mat Inc | Materiales nanoestructurados para aplicaciones de batería |
JP5593665B2 (ja) | 2009-09-29 | 2014-09-24 | 住友ベークライト株式会社 | リチウム二次電池負極合剤、リチウム二次電池負極およびリチウム二次電池 |
US8629076B2 (en) * | 2010-01-27 | 2014-01-14 | Lawrence Livermore National Security, Llc | High surface area silicon carbide-coated carbon aerogel |
CN102195031A (zh) * | 2010-03-05 | 2011-09-21 | 张少波 | 一种高温制备锂离子电池纳米线碳化硅/石墨复合负极材料的方法 |
CN102195037A (zh) * | 2010-03-05 | 2011-09-21 | 张少波 | 一种制备纳米晶碳化硅/非晶态碳化硅/石墨复合负极材料的方法 |
CN102347475B (zh) | 2010-07-27 | 2016-01-20 | 鲁南煤化工研究院 | 一种高性能锂离子电池及其制作工艺 |
US8734674B1 (en) | 2011-04-26 | 2014-05-27 | Northwestern University | Method of enhanced lithiation of doped silicon carbide via high temperature annealing in an inert atmosphere |
JP2013171627A (ja) * | 2012-02-17 | 2013-09-02 | Bridgestone Corp | 非水電解質二次電池用負極材及びリチウムイオン二次電池 |
EP2839526B1 (en) * | 2012-04-19 | 2019-06-12 | Robert Bosch GmbH | Metal/air battery with oxidation resistant cathode |
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2014
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2015
- 2015-11-09 KR KR1020177016398A patent/KR20170084280A/ko not_active Application Discontinuation
- 2015-11-09 CA CA2998531A patent/CA2998531A1/en not_active Abandoned
- 2015-11-09 CN CN201580062090.XA patent/CN107001052B/zh not_active Expired - Fee Related
- 2015-11-09 US US15/527,463 patent/US11165056B2/en active Active
- 2015-11-09 JP JP2017526909A patent/JP6892382B2/ja active Active
- 2015-11-09 WO PCT/EP2015/076088 patent/WO2016078955A1/de active Application Filing
- 2015-11-09 EP EP15790995.3A patent/EP3230205B1/de active Active
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JP2018502420A (ja) | 2018-01-25 |
US11165056B2 (en) | 2021-11-02 |
CA2998531A1 (en) | 2016-05-26 |
CN107001052B (zh) | 2020-12-01 |
CN107001052A (zh) | 2017-08-01 |
EP3230205A1 (de) | 2017-10-18 |
EP3230205B1 (de) | 2020-05-20 |
WO2016078955A1 (de) | 2016-05-26 |
DE102014116868A1 (de) | 2016-05-19 |
US20170338481A1 (en) | 2017-11-23 |
KR20170084280A (ko) | 2017-07-19 |
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