CN109888284B - 锂离子电池负极材料、锂离子电池负极、锂离子电池、电池组及电池动力车 - Google Patents
锂离子电池负极材料、锂离子电池负极、锂离子电池、电池组及电池动力车 Download PDFInfo
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Abstract
Description
电池性能 | S1 | S2 | S3 | S4 | S5 | S6 | D1 |
放电比容量/mAh/g | 358 | 357 | 365 | 365 | 362 | 354 | 350 |
首次库伦效率/% | 92.5 | 92.7 | 91.8 | 90 | 89.5 | 88.4 | 87.5 |
0.5C容量保持率/% | 99.1 | 99 | 98.5 | 98.2 | 98 | 97.54 | 96.4 |
1C容量保持率/% | 98.85 | 98.2 | 98.1 | 97.47 | 97.8 | 95.25 | 92.51 |
4C容量保持率/% | 90.67 | 90.73 | 88.9 | 89.8 | 88.5 | 79.7 | 68.97 |
Claims (22)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811643308.2A CN109888284B (zh) | 2018-12-29 | 2018-12-29 | 锂离子电池负极材料、锂离子电池负极、锂离子电池、电池组及电池动力车 |
JP2021522336A JP7161045B2 (ja) | 2018-12-29 | 2019-09-25 | リチウムイオン電池負極材料およびその製造方法 |
US17/293,761 US20210408542A1 (en) | 2018-12-29 | 2019-09-25 | Negative electrode material for lithium ion battery, negative electrode for lithium ion battery, lithium ion battery, battery pack and battery powered vehicle |
KR1020217012613A KR102620786B1 (ko) | 2018-12-29 | 2019-09-25 | 리튬 이온 배터리 음극 재료, 리튬 이온 배터리 음극, 리튬 이온 배터리, 배터리 팩 및 배터리 동력차 |
EP19906148.2A EP3876317B1 (en) | 2018-12-29 | 2019-09-25 | Negative electrode material for lithium ion battery, negative electrode for lithium ion battery, lithium ion battery, battery pack and battery powered vehicle |
PCT/CN2019/107753 WO2020134242A1 (zh) | 2018-12-29 | 2019-09-25 | 锂离子电池负极材料、锂离子电池负极、锂离子电池、电池组及电池动力车 |
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CN201811643308.2A CN109888284B (zh) | 2018-12-29 | 2018-12-29 | 锂离子电池负极材料、锂离子电池负极、锂离子电池、电池组及电池动力车 |
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CN109888284A CN109888284A (zh) | 2019-06-14 |
CN109888284B true CN109888284B (zh) | 2020-05-01 |
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US (1) | US20210408542A1 (zh) |
EP (1) | EP3876317B1 (zh) |
JP (1) | JP7161045B2 (zh) |
KR (1) | KR102620786B1 (zh) |
CN (1) | CN109888284B (zh) |
WO (1) | WO2020134242A1 (zh) |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109888284B (zh) * | 2018-12-29 | 2020-05-01 | 湖南晋烨高科股份有限公司 | 锂离子电池负极材料、锂离子电池负极、锂离子电池、电池组及电池动力车 |
CN112289986B (zh) * | 2020-09-28 | 2022-11-04 | 合肥国轩高科动力能源有限公司 | 一种高倍率快充石墨负极材料的制备方法 |
CN114956037B (zh) * | 2022-05-13 | 2024-06-14 | 溧阳中科海钠科技有限责任公司 | 一种钠离子电池负极用碳材料及其制备方法以及钠离子电池负极极片和钠离子电池 |
CN115028156A (zh) * | 2022-05-30 | 2022-09-09 | 山西水木新碳材科技有限公司 | 一种机械化学法制备氮掺杂无烟煤基碳材料的方法及应用 |
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CN103443977A (zh) * | 2011-03-30 | 2013-12-11 | 三菱化学株式会社 | 非水系二次电池用石墨粒子及其制造方法、负极以及非水系二次电池 |
CN106672960A (zh) * | 2016-12-23 | 2017-05-17 | 巴中意科碳素股份有限公司 | 一种高密度石墨材料及其生产工艺 |
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CN109888284A (zh) | 2019-06-14 |
EP3876317A1 (en) | 2021-09-08 |
KR20210062694A (ko) | 2021-05-31 |
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JP2022505691A (ja) | 2022-01-14 |
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EP3876317B1 (en) | 2024-09-18 |
EP3876317A4 (en) | 2022-01-26 |
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US20210408542A1 (en) | 2021-12-30 |
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