JP2010272413A - 電池システムおよび電池の充電制御方法 - Google Patents
電池システムおよび電池の充電制御方法 Download PDFInfo
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- ACFSQHQYDZIPRL-UHFFFAOYSA-N lithium;bis(1,1,2,2,2-pentafluoroethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)C(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)C(F)(F)F ACFSQHQYDZIPRL-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
【解決手段】電池システムは、導電性材料と高分子材料とで構成される樹脂層であって、電池の上限電圧に応じた所定電圧以上で酸化反応に伴う酸化電流が流れる樹脂層を含む集電体を有する電池10と、少なくとも電池10の充電時に、酸化電流を検出する電流検出部1と、電流検出部1で検出された酸化電流が所定の電流値以上になると、電池10の充電を停止させる充電停止部3とを備える。
【選択図】図1
Description
(1)条件1:ポリエチレンとポリプロピレンの共重合体を樹脂基材とし、導電性フィラーとしてケッチェンブラックを30重量%加えたものを200℃で溶融混練した後、造粒機でペレットを作り、作ったペレットを平面型のホットプレス装置を用いてプレスすることで、導電性フィルムを作製した。
(2)条件2:条件1に対して、ケッチェンブラックを30重量%ではなく、40重量%加えた。
(3)条件3:樹脂基材として、ポリプロピレンとエラストマーを用いた。
2…充電装置
3…コントローラ(充電停止部)
10…双極型リチウムイオン二次電池
11…集電体
13…正極活物質層
15…負極活物質層
17…電解質層
19…単電池層
21…発電要素
23…双極型電極
25…正極集電板
27…負極集電板
111…樹脂基材
112…導電性フィラー
300…組電池
400…電気自動車
Claims (6)
- 導電性材料と高分子材料とで構成される樹脂層であって、電池の上限電圧に応じた所定電圧以上で酸化反応に伴う酸化電流が流れる樹脂層を含む集電体を有する電池と、
少なくとも前記電池の充電時に、前記酸化電流を検出する電流検出部と、
前記電流検出部で検出された酸化電流が所定の電流値以上になると、前記電池の充電を停止させる充電停止部と、
を備えることを特徴とする電池システム。 - 前記酸化電流が充電時の充電電流よりも大きくなるように、前記導電性材料と前記高分子材料との界面の大きさを決定したことを特徴とする請求項1に記載の電池システム。
- 前記高分子材料は、ポリエチレン、ポリプロピレン、ポリアミド、アクリル、ポリイミド、ポリエチレンテレフタレート、ポリエチレンナフタレート、エラストマー材料からなる群より選択される1種類の材料、または、2種類以上の複合材料であることを特徴とする請求項1または請求項2に記載の電池システム。
- 前記導電性フィラーは、金属メッキしたカーボンブラック、樹脂ビーズ、ガラスビーズからなる群から選択される1種類の材料、または、2種類以上の複合材料であることを特徴とする請求項1から請求項3のいずれか一項に記載の電池システム。
- 請求項1から請求項4のいずれか一項に記載の電池システムを搭載した車両。
- 導電性材料と高分子材料とで構成され、電池の上限電圧近傍で酸化反応に伴う酸化電流が流れる樹脂層を含む集電体を有する電池の充電制御方法であって、
少なくとも前記電池の充電時に前記酸化電流を検出し、
前記検出した酸化電流が所定の電流値以上になると、前記電池の充電を停止させる、
ことを特徴とする電池の充電制御方法。
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JP2009124262A JP5387134B2 (ja) | 2009-05-22 | 2009-05-22 | 電池システムおよび電池の充電制御方法 |
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JP2009124262A JP5387134B2 (ja) | 2009-05-22 | 2009-05-22 | 電池システムおよび電池の充電制御方法 |
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JP2010272413A true JP2010272413A (ja) | 2010-12-02 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013018687A1 (ja) * | 2011-07-29 | 2013-02-07 | 古河スカイ株式会社 | 集電体、電極構造体、非水電解質電池及び蓄電部品 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000223161A (ja) * | 1999-02-01 | 2000-08-11 | Japan Storage Battery Co Ltd | 二次電池の保護装置 |
JP2001236939A (ja) * | 1999-12-14 | 2001-08-31 | Sanyo Electric Co Ltd | リチウム二次電池およびこの電池を備えた電池装置 |
JP2002199594A (ja) * | 2000-12-26 | 2002-07-12 | Ricoh Co Ltd | 充放電保護回路、および該充放電保護回路を組み込んだバッテリーパック、該バッテリーパックを用いた電子機器 |
-
2009
- 2009-05-22 JP JP2009124262A patent/JP5387134B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000223161A (ja) * | 1999-02-01 | 2000-08-11 | Japan Storage Battery Co Ltd | 二次電池の保護装置 |
JP2001236939A (ja) * | 1999-12-14 | 2001-08-31 | Sanyo Electric Co Ltd | リチウム二次電池およびこの電池を備えた電池装置 |
JP2002199594A (ja) * | 2000-12-26 | 2002-07-12 | Ricoh Co Ltd | 充放電保護回路、および該充放電保護回路を組み込んだバッテリーパック、該バッテリーパックを用いた電子機器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013018687A1 (ja) * | 2011-07-29 | 2013-02-07 | 古河スカイ株式会社 | 集電体、電極構造体、非水電解質電池及び蓄電部品 |
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