JP2018185944A - 二次電池システム、充電方法、及び車両 - Google Patents
二次電池システム、充電方法、及び車両 Download PDFInfo
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Abstract
【解決手段】実施形態の二次電池システムは、二次電池と、前記二次電池の体積変化を測定する測定部と、閾値を指定する指定部と、前記測定部により測定された前記二次電池の体積変化と前記閾値に基づいて前記二次電池に流す電流を制御する制御部と、を備える。
【選択図】 図1
Description
第1の実施形態について図1を参照して説明する。図1は、第1の実施形態にかかる二次電池システムの一例を示すブロック図である。
LiNixM1yO2 (i)
LiMnuM2vO4 (ii)
第2の実施形態について図4を参照して説明する。図4は、第2の実施形態にかかる二次電池システムの一例を示すブロック図である。
第3の実施形態について図8を参照して説明する。図8は、第3の実施形態にかかる二次電池システムの一例を示すブロック図である。
第4の実施形態について図13を参照して説明する。図13は、第4の実施形態にかかる車両の一例を示す図である。
2 蓄電池
3 体積測定部(第1測定部)
4 充電制御部
5 指定部
6 推定部
7 記憶部
10 車両
20 外装部材
21 捲回電極群
22 正極
22a 正極集電体
22b 正極活物質含有層
23 負極
23a 負極集電体
23b 負極活物質含有層
24 セパレータ
25 正極端子
26 負極端子
40 第2測定部
41 導出部
61 CPU
62 RAM
63 通信IF
64 ROM
65 記憶部
70 記憶部
641 推定プログラム
Claims (13)
- 二次電池と、
前記二次電池の体積変化を測定する第1測定部と、
閾値を指定する指定部と、
前記第1測定部により測定された前記二次電池の体積変化と前記閾値に基づいて前記二次電池に流す電流を制御する制御部と、
を備える二次電池システム。 - 前記制御部は、前記二次電池の体積変化が前記閾値より大きい場合に、前記二次電池に流す電流を所定の電流より小さく制御し、前記二次電池の体積変化が前記閾値より小さい場合に、前記二次電池に流す電流を前記所定の電流より大きく制御する請求項1に記載の二次電池システム。
- 前記体積変化は、前記二次電池の単位時間当たりの体積変化率を示す請求項1又は2に記載の二次電池システム。
- 二次電池と、
前記二次電池の電流、電圧、温度の少なくともいずれかを測定する第2測定部と、
前記第2測定部で測定された前記電流、電圧、温度の少なくともいずれかに基づいて前記二次電池の体積変化率を推定する推定部と、
前記推定部により推定された前記体積変化率に応じて前記二次電池に流す電流を制御する制御部と、
を備える二次電池システム。 - 前記推定部は、前記二次電池の充電量と体積変化率の関係が記憶された記憶部を更に備える請求項4に記載の二次電池システム。
- 所定の電流が流された場合に、少なくとも第1乃至3の区間を含む充電状態を有する二次電池と、
前記第1及び第3の区間で前記二次電池に流す電流を前記所定の電流より小さく制御し、前記第2の区間で前記二次電池に流す電流を前記所定の電流より大きく制御する制御部と、
を備える二次電池システム。 - 前記制御部は、前記第1の区間で前記二次電池に流す平均電流が、前記第3の区間で前記二次電池に流す平均電流より大きくなるように制御する請求項6に記載の二次電池システム。
- 前記制御部は、前記第1の区間の平均電流をI1とし、前記第3の区間の平均電流をI3とすると、前記第1の区間と第3の区間で流す平均電流[A]が、1.0<I1/I3<1.6を満たすように制御する請求項7に記載の二次電池システム。
- 前記充電状態は、前記所定の電流が流された場合の前記二次電池の体積と前記二次電池の充電量との関係を示す請求項6乃至8のいずれか1項に記載の二次電池システム。
- 前記二次電池は、負極活物質に黒鉛を含む請求項6乃至9のいずれか1項に記載の二次電池システム。
- 所定の電流が流された場合に、少なくとも第1乃至3の区間を含む充電状態を有する二次電池における充電方法であって、
前記第1及び第3の区間で前記二次電池に流す電流を前記所定の電流より小さく制御し、前記第2の区間で前記二次電池に流す電流を前記所定の電流より大きく制御する充電方法。 - 前記二次電池は、負極活物質に黒鉛を含む請求項11に記載の充電方法。
- 請求項1乃至10のいずれか1項に記載の二次電池システムと、
前記二次電池システムが配置されるエンジンルームと、
を備える車両。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017086462A JP6864536B2 (ja) | 2017-04-25 | 2017-04-25 | 二次電池システム、充電方法、プログラム、及び車両 |
| EP18157152.2A EP3396775B1 (en) | 2017-04-25 | 2018-02-16 | Secondary battery system, charging method, and vehicle |
| US15/904,257 US10910857B2 (en) | 2017-04-25 | 2018-02-23 | Secondary battery system controlling a secondary battery with a volume change rate thereof, and a vehicle including the secondary battery system |
| TW107106357A TWI667826B (zh) | 2017-04-25 | 2018-02-26 | 二次電池系統、充電方法以及車輛 |
| KR1020180023360A KR102016252B1 (ko) | 2017-04-25 | 2018-02-27 | 2차 전지 시스템, 충전방법 및 차량 |
| CN201810165280.XA CN108736058B (zh) | 2017-04-25 | 2018-02-28 | 二次电池系统,充电方法,以及车辆 |
| CN202110928530.2A CN113659222B (zh) | 2017-04-25 | 2018-02-28 | 二次电池系统,充电方法,以及车辆 |
| US17/111,589 US11901521B2 (en) | 2017-04-25 | 2020-12-04 | Secondary battery system, charging method, and vehicle for charging with three different currents |
| JP2021063521A JP7179898B2 (ja) | 2017-04-25 | 2021-04-02 | 二次電池システム、充電方法、プログラム、及び車両 |
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| EP (1) | EP3396775B1 (ja) |
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| KR (1) | KR102016252B1 (ja) |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021082426A (ja) * | 2019-11-15 | 2021-05-27 | トヨタ自動車株式会社 | 電池の充電方法および充電システム |
| JP2021525437A (ja) * | 2019-01-18 | 2021-09-24 | エルジー・ケム・リミテッド | バッテリー管理装置及び方法 |
| JP2021190415A (ja) * | 2020-05-28 | 2021-12-13 | 廣達電腦股▲ふん▼有限公司Quanta Computer Inc. | スマートバッテリー装置 |
| WO2022196260A1 (ja) * | 2021-03-18 | 2022-09-22 | 株式会社Gsユアサ | 推定装置、コンピュータプログラム及び推定方法 |
| JP2024500586A (ja) * | 2021-11-29 | 2024-01-10 | 寧徳時代新能源科技股▲分▼有限公司 | 電池充電方法及び電池、電気エネルギー機器 |
| JP2024167726A (ja) * | 2023-05-22 | 2024-12-04 | トヨタ自動車株式会社 | 蓄電装置、及びその制御方法 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20180119472A (ko) | 2018-11-02 |
| TWI667826B (zh) | 2019-08-01 |
| CN108736058A (zh) | 2018-11-02 |
| JP6864536B2 (ja) | 2021-04-28 |
| US20190067953A1 (en) | 2019-02-28 |
| CN113659222B (zh) | 2024-05-10 |
| US20210091574A1 (en) | 2021-03-25 |
| TW201840057A (zh) | 2018-11-01 |
| EP3396775A1 (en) | 2018-10-31 |
| JP7179898B2 (ja) | 2022-11-29 |
| US11901521B2 (en) | 2024-02-13 |
| EP3396775B1 (en) | 2019-09-04 |
| KR102016252B1 (ko) | 2019-08-29 |
| JP2021119563A (ja) | 2021-08-12 |
| CN108736058B (zh) | 2021-08-17 |
| US10910857B2 (en) | 2021-02-02 |
| CN113659222A (zh) | 2021-11-16 |
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