KR20190140071A - 리튬 이온 배터리 및 애노드의 사전 리튬화 방법 - Google Patents
리튬 이온 배터리 및 애노드의 사전 리튬화 방법 Download PDFInfo
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- KR20190140071A KR20190140071A KR1020197035786A KR20197035786A KR20190140071A KR 20190140071 A KR20190140071 A KR 20190140071A KR 1020197035786 A KR1020197035786 A KR 1020197035786A KR 20197035786 A KR20197035786 A KR 20197035786A KR 20190140071 A KR20190140071 A KR 20190140071A
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Abstract
Description
도 1은 본 개시물의 실시예 및 비교예에 따른 충전된/방전된 전지의 사이클링 성능을 비교한다.
도 2는 본 개시물의 실시예 및 비교예에 따른 충전된/방전된 전지의 방전/충전 프로파일을 비교한다.
Claims (10)
- 리튬 이온 배터리의 애노드를 사전 리튬화하기 위한 방법으로서,
(a) 제1 온도에서 약 4.2 내지 약 4.5 V의 전압으로 상기 배터리를 충전하는 단계; 및
(b) 상기 제1 온도보다 약 20 내지 40℃ 더 낮은 제2 온도에서 약 2.5 내지 약 3.2 V의 전압으로 상기 배터리를 방전하는 단계를 포함하는,
리튬 이온 배터리의 애노드를 사전 리튬화하기 위한, 방법. - 제1항에 있어서,
단계 (a) 및 (b)는 1 내지 3 사이클 동안 교대로 수행되는, 방법. - 제1항 또는 제2항에 있어서,
단계 (a) 및 (b)의 사이클 후에, 상기 방법은, 후속 사이클 동안 상기 제2 온도에서 약 2.5 내지 약 4.5 V의 전압 범위 내에서 상기 배터리를 충전 및 방전하는 단계 (c)를 더 포함하는, 방법. - 제1항 또는 제2항에 있어서,
상기 제1 온도는 약 45 내지 약 65℃이며, 상기 제2 온도는 약 25℃인, 방법. - 제1항 내지 제4항 중 어느 한 항에 있어서,
단계 (a) 이전에, 상기 배터리는 약 3 내지 7 시간 동안 상기 제1 온도로 유지되며, 바람직하게는 서모스탯 챔버에서 유지되는, 방법. - 제1항 내지 제5항 중 어느 한 항에 있어서,
단계 (a) 및 (b)를 거치지 않는 동일한 배터리의 애노드의 가역 리튬 양에 비해, 5 내지 25 중량%, 바람직하게는 10 내지 20 중량%의 추가적인 리튬이 상기 애노드에 저장되는, 방법. - 제6항에 있어서,
상기 사전 리튬화 동안 상기 애노드에 저장된 상기 추가적인 리튬을 제외하면, 상기 애노드의 가역 용량(단위: mAh/cm2)은 캐소드의 가역 용량(단위: mAh/cm2)의 약 1 내지 약 1.3 배, 바람직하게는 약 1.05 내지 약 1.25 배인, 방법. - 제1항 내지 제7항 중 어느 한 항에 따른 방법에 따라 사전 리튬화된 애노드를 포함하는 리튬 이온 배터리.
- 제8항에 있어서,
상기 애노드는 실리콘계 활성 물질, 흑연계 활성 물질 및 이들의 임의의 조합물로 이루어진 그룹에서 선택된 애노드 활성 물질을 포함하는, 배터리. - 제8항 또는 제9항에 있어서,
상기 캐소드는 리튬계 캐소드 활성 물질을 포함하는, 배터리.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/083159 WO2018201427A1 (en) | 2017-05-05 | 2017-05-05 | Lithium ion battery and prelithiation method of anode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20190140071A true KR20190140071A (ko) | 2019-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020197035786A Ceased KR20190140071A (ko) | 2017-05-05 | 2017-05-05 | 리튬 이온 배터리 및 애노드의 사전 리튬화 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11769900B2 (ko) |
| EP (1) | EP3619767B1 (ko) |
| JP (1) | JP6985416B2 (ko) |
| KR (1) | KR20190140071A (ko) |
| CN (1) | CN110710043A (ko) |
| WO (1) | WO2018201427A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024128887A1 (ko) * | 2022-12-15 | 2024-06-20 | 주식회사 엘지에너지솔루션 | 리튬 이차전지의 충방전 방법 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102331068B1 (ko) * | 2018-02-09 | 2021-11-25 | 삼성에스디아이 주식회사 | 관통 특성이 개선된 리튬전지 및 이의 제조방법 |
| CN109671999B (zh) * | 2018-12-20 | 2021-01-12 | 国联汽车动力电池研究院有限责任公司 | 一种锂离子电池原位预锂化的方法及锂离子电池 |
| KR102542291B1 (ko) * | 2019-02-01 | 2023-06-14 | 주식회사 엘지에너지솔루션 | 이차전지용 음극의 제조방법 |
| KR102766500B1 (ko) * | 2019-09-23 | 2025-02-12 | 주식회사 엘지에너지솔루션 | 전지 시스템, 이의 사용방법, 및 이를 포함하는 전지 팩 |
| US12385979B2 (en) * | 2019-10-23 | 2025-08-12 | Gbatteries Energy Canada Inc. | Methods and systems for battery formation |
| CN112525958B (zh) * | 2020-12-03 | 2023-04-25 | 蜂巢能源科技有限公司 | 一种预锂锂离子电池实际预锂量的测定方法 |
| US20230299371A1 (en) * | 2021-06-17 | 2023-09-21 | Wacker Chemie Ag | Method for the prelithiation of a silicon-containing anode in a lithium-ion battery |
| CN115149106B (zh) * | 2021-08-27 | 2023-06-06 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池预锂化方法及锂离子电池 |
| US20230246158A1 (en) * | 2022-02-02 | 2023-08-03 | Enevate Corporation | Cycle life in si/li batteries using high temperature deep discharge cycling |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000149996A (ja) | 1998-11-12 | 2000-05-30 | Toyota Central Res & Dev Lab Inc | 非水電解液二次電池の製造方法 |
| JP4717276B2 (ja) | 2001-07-06 | 2011-07-06 | 株式会社Kri | 非水系二次電池及びその製造方法 |
| US9293773B2 (en) * | 2008-04-08 | 2016-03-22 | California Institute Of Technology | Electrolytes for wide operating temperature lithium-ion cells |
| US8241793B2 (en) * | 2009-01-02 | 2012-08-14 | Nanotek Instruments, Inc. | Secondary lithium ion battery containing a prelithiated anode |
| CN102376972A (zh) | 2010-08-20 | 2012-03-14 | 深圳市比克电池有限公司 | 锂离子电池及提高离子电池高温存储性能的方法 |
| WO2012047596A2 (en) | 2010-09-27 | 2012-04-12 | Amprius Inc. | Auxiliary electrodes for electrochemical cells containing high capacity active materials |
| CN104956522A (zh) * | 2013-01-30 | 2015-09-30 | 那诺思卡乐康母庞特公司 | 分阶段将锂导入锂离子电化学电池的预锂化阳极 |
| CN103117412B (zh) | 2013-01-31 | 2016-08-03 | 深圳市海太阳实业有限公司 | 锂离子电池及其化成方法 |
| KR20140111622A (ko) * | 2013-03-11 | 2014-09-19 | 주식회사 엘지화학 | 리튬의 프리도핑 방법, 상기 방법을 포함하는 리튬 이차전지의 제조방법, 및 상기 제조방법으로부터 제조된 리튬 이차전지 |
| US20150364795A1 (en) | 2014-06-12 | 2015-12-17 | Amprius, Inc. | Prelithiation solutions for lithium-ion batteries |
| CN104319422B (zh) | 2014-10-10 | 2017-01-18 | 奇瑞汽车股份有限公司 | 一种用于提高富锂锰锂离子电池循环稳定性的方法 |
| JP6724311B2 (ja) | 2015-08-31 | 2020-07-15 | 日本ゼオン株式会社 | 非水系二次電池の製造方法 |
| US10862129B2 (en) * | 2017-04-12 | 2020-12-08 | Global Graphene Group, Inc. | Lithium anode-protecting polymer layer for a lithium metal secondary battery and manufacturing method |
-
2017
- 2017-05-05 KR KR1020197035786A patent/KR20190140071A/ko not_active Ceased
- 2017-05-05 US US16/610,779 patent/US11769900B2/en active Active
- 2017-05-05 EP EP17908629.3A patent/EP3619767B1/en active Active
- 2017-05-05 CN CN201780091589.2A patent/CN110710043A/zh active Pending
- 2017-05-05 WO PCT/CN2017/083159 patent/WO2018201427A1/en not_active Ceased
- 2017-05-05 JP JP2019560774A patent/JP6985416B2/ja active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024128887A1 (ko) * | 2022-12-15 | 2024-06-20 | 주식회사 엘지에너지솔루션 | 리튬 이차전지의 충방전 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3619767B1 (en) | 2024-07-24 |
| US20200067129A1 (en) | 2020-02-27 |
| WO2018201427A1 (en) | 2018-11-08 |
| JP6985416B2 (ja) | 2021-12-22 |
| JP2020518991A (ja) | 2020-06-25 |
| US11769900B2 (en) | 2023-09-26 |
| CN110710043A (zh) | 2020-01-17 |
| EP3619767A1 (en) | 2020-03-11 |
| EP3619767A4 (en) | 2020-06-17 |
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