JPWO2023021958A5 - - Google Patents
Download PDFInfo
- Publication number
- JPWO2023021958A5 JPWO2023021958A5 JP2022569471A JP2022569471A JPWO2023021958A5 JP WO2023021958 A5 JPWO2023021958 A5 JP WO2023021958A5 JP 2022569471 A JP2022569471 A JP 2022569471A JP 2022569471 A JP2022569471 A JP 2022569471A JP WO2023021958 A5 JPWO2023021958 A5 JP WO2023021958A5
- Authority
- JP
- Japan
- Prior art keywords
- less
- spheroidized graphite
- coated
- volume ratio
- graphite
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 9
- 229910002804 graphite Inorganic materials 0.000 claims 9
- 239000010439 graphite Substances 0.000 claims 9
- 239000011163 secondary particle Substances 0.000 claims 4
- 239000011148 porous material Substances 0.000 claims 3
- 239000011164 primary particle Substances 0.000 claims 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims 2
- 229910001416 lithium ion Inorganic materials 0.000 claims 2
- 239000002245 particle Substances 0.000 claims 2
- 239000003575 carbonaceous material Substances 0.000 claims 1
- 229910021382 natural graphite Inorganic materials 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021132828 | 2021-08-17 | ||
| JP2021132828 | 2021-08-17 | ||
| PCT/JP2022/029174 WO2023021958A1 (ja) | 2021-08-17 | 2022-07-28 | 被覆球状化黒鉛、リチウムイオン二次電池用負極およびリチウムイオン二次電池 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2023021958A1 JPWO2023021958A1 (https=) | 2023-02-23 |
| JP7309087B1 JP7309087B1 (ja) | 2023-07-14 |
| JPWO2023021958A5 true JPWO2023021958A5 (https=) | 2023-07-26 |
Family
ID=85240620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022569471A Active JP7309087B1 (ja) | 2021-08-17 | 2022-07-28 | 被覆球状化黒鉛、リチウムイオン二次電池用負極およびリチウムイオン二次電池 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US11840452B2 (https=) |
| EP (1) | EP4212479A4 (https=) |
| JP (1) | JP7309087B1 (https=) |
| KR (1) | KR102618399B1 (https=) |
| CN (1) | CN116368635B (https=) |
| CA (2) | CA3234344C (https=) |
| TW (1) | TWI825921B (https=) |
| WO (1) | WO2023021958A1 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102691511B1 (ko) * | 2022-05-20 | 2024-08-05 | 주식회사 엘피엔 | 신규한 조립구상흑연의 제조방법, 이를 이용하여 제조된 조립구상흑연, 및 이를 음극활물질로 포함하는 이차전지 |
| EP4579770A4 (en) * | 2022-09-30 | 2025-09-10 | Ningde Amperex Technology Ltd | NEGATIVE ELECTRODE MATERIAL, RECHARGEABLE BATTERY AND ELECTRICAL APPLIANCE |
| EP4657532A3 (en) * | 2022-09-30 | 2026-02-18 | LG Energy Solution, Ltd. | Negative electrode and secondary battery |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8038977B2 (en) | 2008-02-06 | 2011-10-18 | Chuo Denki Kogyo Co., Ltd. | Carbon powder suitable as a negative electrode material for nonaqueous secondary batteries |
| JP5754098B2 (ja) | 2009-09-15 | 2015-07-22 | 三菱化学株式会社 | リチウムイオン二次電池用炭素材料 |
| EP2650955B1 (en) * | 2010-12-08 | 2015-11-04 | Nippon Coke & Engineering Co., Ltd. | Negative electrode material for lithium ion secondary batteries, and method for producing same |
| KR20140016925A (ko) * | 2011-03-30 | 2014-02-10 | 미쓰비시 가가꾸 가부시키가이샤 | 비수계 이차 전지용 흑연 입자 및 그 제조 방법, 부극 그리고 비수계 이차 전지 |
| CN103460459B (zh) * | 2011-03-30 | 2016-01-20 | 三菱化学株式会社 | 非水系二次电池用碳材料及负极、以及非水系二次电池 |
| JP6040022B2 (ja) * | 2012-03-02 | 2016-12-07 | Ｊｆｅケミカル株式会社 | リチウムイオン二次電池用負極材料、リチウムイオン二次電池用負極およびリチウムイオン二次電池 |
| ES2663004T3 (es) * | 2012-05-21 | 2018-04-10 | Imerys Graphite & Carbon Switzerland Ltd. | Partículas híbridas de carbón de superficie modificada, procedimientos para hacerlas y aplicaciones de las mismas |
| CN105050952A (zh) | 2013-03-26 | 2015-11-11 | 三菱化学株式会社 | 碳材料、使用该碳材料的非水系二次电池 |
| KR101343568B1 (ko) * | 2013-05-29 | 2013-12-20 | 주식회사 그라셀 | 고밀도 압축가공 팽창흑연 입자를 포함하는 복합흑연 방열재 및 그 제조 방법 |
| CN118572107A (zh) * | 2014-07-07 | 2024-08-30 | 三菱化学株式会社 | 碳材料、碳材料的制造方法、以及使用了碳材料的非水系二次电池 |
| KR101685832B1 (ko) * | 2014-07-29 | 2016-12-12 | 주식회사 엘지화학 | 흑연 2차 입자 및 이를 포함하는 리튬 이차전지 |
| JP6240586B2 (ja) * | 2014-10-28 | 2017-11-29 | Ｊｆｅケミカル株式会社 | リチウムイオン二次電池負極材料用黒鉛質粒子、リチウムイオン二次電池負極およびリチウムイオン二次電池 |
| JP6561790B2 (ja) * | 2014-11-19 | 2019-08-21 | 三菱ケミカル株式会社 | 非水系二次電池用炭素材及び非水系二次電池 |
| JP2017134937A (ja) | 2016-01-26 | 2017-08-03 | 東ソー株式会社 | リチウム二次電池用複合活物質およびその製造方法 |
| JP6757704B2 (ja) * | 2017-08-31 | 2020-09-23 | 日本カーボン株式会社 | リチウムイオンキャパシタ用負極活物質の製造方法 |
| KR102240777B1 (ko) * | 2018-12-19 | 2021-04-14 | 주식회사 포스코 | 리튬 이차전지용 음극 활물질의 제조방법 |
| KR102475986B1 (ko) | 2019-01-17 | 2022-12-09 | 주식회사 엘지에너지솔루션 | 이차전지용 음극 활물질, 이를 포함하는 음극 및 이의 제조방법 |
| WO2021066581A1 (ko) * | 2019-10-04 | 2021-04-08 | 주식회사 엘지화학 | 구형화된 카본계 음극활물질, 이의 제조방법, 이를 포함하는 음극 및 리튬 이차전지 |
| WO2021166812A1 (ja) | 2020-02-21 | 2021-08-26 | Ｊｆｅケミカル株式会社 | 球状化黒鉛、被覆球状化黒鉛、リチウムイオン二次電池用負極およびリチウム二次電池 |
| CN112499624B (zh) | 2020-11-30 | 2023-05-05 | 湖北亿纬动力有限公司 | 一种天然石墨的改性方法、改性天然石墨及应用 |
-
2022
- 2022-07-28 JP JP2022569471A patent/JP7309087B1/ja active Active
- 2022-07-28 US US18/030,097 patent/US11840452B2/en active Active
- 2022-07-28 WO PCT/JP2022/029174 patent/WO2023021958A1/ja not_active Ceased
- 2022-07-28 CA CA3234344A patent/CA3234344C/en active Active
- 2022-07-28 CN CN202280007046.9A patent/CN116368635B/zh active Active
- 2022-07-28 EP EP22858279.7A patent/EP4212479A4/en active Pending
- 2022-07-28 CA CA3229558A patent/CA3229558A1/en not_active Withdrawn
- 2022-07-28 KR KR1020237011485A patent/KR102618399B1/ko active Active
- 2022-08-16 TW TW111130741A patent/TWI825921B/zh active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPWO2023021958A5 (https=) | ||
| JP2024054161A5 (https=) | ||
| JP2014505968A5 (https=) | ||
| CN104332632B (zh) | 一种锂离子电池硅碳负极材料及其制备方法 | |
| TWI366939B (en) | Nanoscale silicon particles in negative electrode materials for lithium ion batteries | |
| CN113871574B (zh) | 锂离子电池负极片及其制备方法与应用 | |
| JPWO2022050251A5 (https=) | ||
| Zeng et al. | Template-free fabrication of hierarchical porous carbon based on intra-/inter-sphere crosslinking of monodisperse styrene–divinylbenzene copolymer nanospheres | |
| JP2009170109A5 (https=) | ||
| JPWO2022181447A5 (https=) | ||
| JP2002348109A5 (https=) | ||
| KR101975033B1 (ko) | 비반복적이고 불규칙적인 3차원 기공을 포함하는 그래핀 및 이의 제조 방법 | |
| JP2016143462A5 (https=) | ||
| WO2020108255A9 (zh) | 一种活性炭吸音材料和发声装置 | |
| CN109216689A (zh) | 一种硅碳复合材料及其制备方法和锂离子电池 | |
| JP2015079681A5 (https=) | ||
| JPWO2022230661A5 (https=) | ||
| CN105609711A (zh) | 一种微纳结构化硅碳复合微球及其制备方法和应用 | |
| JP2013225501A5 (https=) | ||
| CN107331838A (zh) | 一种氯离子电池纳米复合电极材料及其制备方法 | |
| JP2007194201A5 (https=) | ||
| JP2016136517A5 (https=) | ||
| JPWO2023021959A5 (https=) | ||
| JPWO2020184665A5 (https=) | ||
| JPWO2023021957A5 (https=) |