JPWO2020241105A5 - - Google Patents
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- Publication number
- JPWO2020241105A5 JPWO2020241105A5 JP2021522697A JP2021522697A JPWO2020241105A5 JP WO2020241105 A5 JPWO2020241105 A5 JP WO2020241105A5 JP 2021522697 A JP2021522697 A JP 2021522697A JP 2021522697 A JP2021522697 A JP 2021522697A JP WO2020241105 A5 JPWO2020241105 A5 JP WO2020241105A5
- Authority
- JP
- Japan
- Prior art keywords
- layer
- negative electrode
- active material
- core particles
- secondary battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007771 core particle Substances 0.000 claims 6
- 239000007773 negative electrode material Substances 0.000 claims 5
- 150000002484 inorganic compounds Chemical group 0.000 claims 3
- 229910010272 inorganic material Inorganic materials 0.000 claims 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 229910003481 amorphous carbon Inorganic materials 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 1
- 239000011149 active material Substances 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 150000001642 boronic acid derivatives Chemical class 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000002134 carbon nanofiber Substances 0.000 claims 1
- 229910021393 carbon nanotube Inorganic materials 0.000 claims 1
- 239000002041 carbon nanotube Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 229920001940 conductive polymer Polymers 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 claims 1
- 229910001416 lithium ion Inorganic materials 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 239000011777 magnesium Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910021645 metal ion Inorganic materials 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 1
- 150000003016 phosphoric acids Chemical class 0.000 claims 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical class O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019101106 | 2019-05-30 | ||
| JP2019101106 | 2019-05-30 | ||
| PCT/JP2020/016668 WO2020241105A1 (ja) | 2019-05-30 | 2020-04-16 | 二次電池用の負極活物質、及び二次電池 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2020241105A1 JPWO2020241105A1 (https=) | 2020-12-03 |
| JPWO2020241105A5 true JPWO2020241105A5 (https=) | 2022-02-25 |
| JP7474951B2 JP7474951B2 (ja) | 2024-04-26 |
Family
ID=73552313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021522697A Active JP7474951B2 (ja) | 2019-05-30 | 2020-04-16 | 二次電池用の負極活物質、及び二次電池 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20220231282A1 (https=) |
| EP (1) | EP3979365A4 (https=) |
| JP (1) | JP7474951B2 (https=) |
| CN (1) | CN113892200A (https=) |
| WO (1) | WO2020241105A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381021A (zh) * | 2021-03-30 | 2021-09-10 | 万向一二三股份公司 | 一种硅基负极材料及其制备方法、应用 |
| KR102376217B1 (ko) * | 2021-07-28 | 2022-03-18 | 주식회사 그랩실 | 다층 구조의 음극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차전지 |
| JP2024534385A (ja) * | 2021-09-15 | 2024-09-20 | ナノグラフ コーポレイション | 表面改質酸化ケイ素粒子を含む電極材料 |
| EP4439717A4 (en) * | 2022-09-05 | 2025-09-10 | Lg Energy Solution Ltd | NEGATIVE ACTIVE MATERIAL, NEGATIVE ELECTRODE COMPRISING SAME, SECONDARY BATTERY COMPRISING SAME, AND METHOD FOR PRODUCING NEGATIVE ACTIVE MATERIAL THEREOF |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140370380A9 (en) * | 2009-05-07 | 2014-12-18 | Yi Cui | Core-shell high capacity nanowires for battery electrodes |
| WO2011084817A1 (en) * | 2009-12-21 | 2011-07-14 | A123 Systems, Inc. | Anode material |
| CN102122708A (zh) * | 2010-01-08 | 2011-07-13 | 中国科学院物理研究所 | 用于锂离子二次电池的负极材料、含该负极材料的负极及其制备方法以及含该负极的电池 |
| CN102544464B (zh) * | 2010-12-28 | 2014-06-25 | 清华大学 | 钛酸锂复合材料及其制备方法以及锂离子电池 |
| KR101849976B1 (ko) * | 2011-04-08 | 2018-05-31 | 삼성전자주식회사 | 전극 활물질, 그 제조방법, 이를 포함한 전극 및 이를 채용한 리튬 이차 전지 |
| KR101368474B1 (ko) * | 2012-03-23 | 2014-03-03 | 강원대학교산학협력단 | 리튬 이차 전지용 음극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지 |
| JP2014022041A (ja) | 2012-07-12 | 2014-02-03 | Sony Corp | 負極活物質および負極活物質の製造方法、ならびにリチウムイオン電池、電池パック、電子機器、電動車両、蓄電装置および電力システム |
| KR101708363B1 (ko) | 2013-02-15 | 2017-02-20 | 삼성에스디아이 주식회사 | 음극 활물질, 및 이를 채용한 음극과 리튬 전지 |
| JP2016046204A (ja) * | 2014-08-26 | 2016-04-04 | トヨタ自動車株式会社 | リチウムイオン二次電池用負極活物質 |
| US10529978B2 (en) | 2015-03-30 | 2020-01-07 | Sanyo Electric Co., Ltd. | Nonaqueous electrolyte secondary battery |
| JP6536302B2 (ja) * | 2015-09-07 | 2019-07-03 | トヨタ自動車株式会社 | 被覆負極活物質 |
| JP6536301B2 (ja) * | 2015-09-07 | 2019-07-03 | トヨタ自動車株式会社 | 被覆負極活物質 |
| DE102016202459A1 (de) * | 2016-02-17 | 2017-08-17 | Wacker Chemie Ag | Kern-Schale-Kompositpartikel |
| US10290864B2 (en) * | 2016-04-07 | 2019-05-14 | StoreDot Ltd. | Coated pre-lithiated anode material particles and cross-linked polymer coatings |
| JP7113248B2 (ja) | 2017-03-22 | 2022-08-05 | パナソニックＩｐマネジメント株式会社 | 二次電池用負極およびその製造方法並びに二次電池 |
-
2020
- 2020-04-16 EP EP20813692.9A patent/EP3979365A4/en active Pending
- 2020-04-16 WO PCT/JP2020/016668 patent/WO2020241105A1/ja not_active Ceased
- 2020-04-16 CN CN202080039210.5A patent/CN113892200A/zh active Pending
- 2020-04-16 JP JP2021522697A patent/JP7474951B2/ja active Active
- 2020-04-16 US US17/613,655 patent/US20220231282A1/en active Pending
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