JP2007250423A - 非水電解液二次電池を用いた組電池 - Google Patents
非水電解液二次電池を用いた組電池 Download PDFInfo
- Publication number
- JP2007250423A JP2007250423A JP2006074358A JP2006074358A JP2007250423A JP 2007250423 A JP2007250423 A JP 2007250423A JP 2006074358 A JP2006074358 A JP 2006074358A JP 2006074358 A JP2006074358 A JP 2006074358A JP 2007250423 A JP2007250423 A JP 2007250423A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- case
- fixing member
- lid
- nonaqueous electrolyte
- 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
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- 239000011255 nonaqueous electrolyte Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 16
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- 238000004804 winding Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000004826 seaming Methods 0.000 abstract 3
- 239000000243 solution Substances 0.000 abstract 1
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- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 238000009792 diffusion process Methods 0.000 description 1
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- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
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- JMPVESVJOFYWTB-UHFFFAOYSA-N dipropan-2-yl carbonate Chemical compound CC(C)OC(=O)OC(C)C JMPVESVJOFYWTB-UHFFFAOYSA-N 0.000 description 1
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- 238000007599 discharging Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
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- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 1
- MHYFEEDKONKGEB-UHFFFAOYSA-N oxathiane 2,2-dioxide Chemical compound O=S1(=O)CCCCO1 MHYFEEDKONKGEB-UHFFFAOYSA-N 0.000 description 1
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- LJYVSUWJFYSYHT-UHFFFAOYSA-N phenyl ethanesulfonate Chemical compound CCS(=O)(=O)OC1=CC=CC=C1 LJYVSUWJFYSYHT-UHFFFAOYSA-N 0.000 description 1
- MMFXMQNGDAMPHV-UHFFFAOYSA-N phenyl propane-1-sulfonate Chemical compound CCCS(=O)(=O)OC1=CC=CC=C1 MMFXMQNGDAMPHV-UHFFFAOYSA-N 0.000 description 1
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- 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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Abstract
【解決手段】複数の非水電解液二次電池を接続した組電池において、前記非水電解液二次電池は金属板からなるケースおよび金属板からなる蓋を備え、前記蓋には絶縁部材を介して端子を設け、前記ケースと前記蓋とが巻き締め方式で気密封口され、前記組電池は巻き締め部のケース側端部に接触する電池固定部材を備え、前記非水電解液二次電池間に空間を設けたことを特徴とする。
【選択図】図9
Description
[実施例1]
厚さ0.8mmのアルミニウム合金(JIS3003)板を打ち抜き、絞り加工をすることで幅100mm×厚み20mm×深さ80mmの有底の電池ケースを作製した。安全弁は電池ケースの底板に設け、電池ケースの側面上部には電解液を注液するため直径1mmの穴を開けた。電池ケースの開口部には巻き締め加工用のフランジを設けた。また、電池ケース開口部の寸法に合わせて金属板を切り出し、正極端子および負極端子を取り付けるための開口部を設けた蓋を作製した。蓋にはステンレス製の正極端子と負極端子を、それぞれ気密用の樹脂パッキンを介して取り付けた。
厚さ5mmのABS製樹脂板(=電池固定部材)に、幅Wが103mm、厚みTが23mmの長円筒形開口部を8箇所設けたこと以外は実施例1と同様にして、実施例2の組電池を作製した。
厚さ5mmのエチレンプロピレンゴム板(=電池固定部材)に、幅Wが100mm、厚みTが20mmの長円筒形開口部を8箇所設けたこと以外は実施例1と同様にして、実施例3の組電池を作製した。
厚さ5mmのABS製樹脂板(=電池固定部材)に、幅Wが101mm、厚みTが21mmの長方形の開口部を8箇所設けたこと以外は実施例1と同様にして、実施例4の組電池を作製した。組電池の外観は図11と同様である(ただし、図11は3セルの場合)。
厚さ15mmのABS製樹脂板(=電池固定部材)に、幅Wが105mm、厚みTが25mm、深さ5mmの長方形の穴を8箇所設け、各穴の中央に幅Wが102mm、厚みTが22mm、深さ10mmの長方形の開口部を設け、この開口部に電池を挿入したこと以外は実施例1と同様にして、実施例5の組電池を作製した。組電池の断面構造は、図12のスペーサーおよび底部固定枠がない場合と同様である(ただし、図12は3セルの場合)。
ABS製樹脂板(=電池固定部材)を用いず、隣接する単電池の異なる端子同士をニッケル板で溶接して組電池を作製したこと以外は実施例1と同様にして、比較例1の組電池を作製した。
厚さ5mmのABS製樹脂板(=電池固定部材)に、幅Wが105mm、厚みTが25mmの開口部を8箇所設けたこと以外は実施例1と同様にして、比較例2の組電池を作製した。
厚さ5mmのABS製樹脂板(=電池固定部材)に、幅Wが101mm、厚みTが21mmの開口部を8箇所設け、電池固定部材と単電池が接触しないように、電池固定部材の位置を変更したこと以外は実施例1と同様にして、比較例3の組電池を作製した。
以上の実施例1〜5および比較例1〜3の組電池について、組電池の生産性および不良発生の有無、および組電池の耐振動性を比較した。
各組電池を10セットずつ作製した際の生産性を測定した。ここで「生産性」とは、組電池を10セット作製する際に要した時間の相対値で示してあり、値が小さいほど所要時間が短く生産性が高いことを意味する。ここでは実施例1の電池を用いて組電池を作製した時間を100とした。また、組電池作製時の不良発生の有無も測定した。ここでの「不良発生」とは、溶接不良や単電池間の短絡などを意味する。
完成後の各組電池5セットずつを用いて振動試験をおこなった。振動試験の条件は、国連危険物輸送勧告に基づく国連試験基準マニュアルにしたがっておこなった。試験後の組電池に、枠の破損や端子部の故障、接続板はずれが起きていないか、あるいは、単電池に電圧低下や漏液、発熱等の不良が起きていないかを検査した。
2、2’ 蓋
3 正極端子
4 負極端子
5 巻き締め部
6 絶縁部材
7 電解液注液孔
8 集電体
9 電極群
10 単電池
11 固定部材
12 固定部材に設けた開口部
13 電池間接続桿
14 電池間の空間
15 スペーサー
16 底部固定枠
Claims (2)
- 複数の非水電解液二次電池を接続した組電池において、前記非水電解液二次電池は金属板からなるケースおよび金属板からなる蓋を備え、前記蓋には絶縁部材を介して端子を設け、前記ケースと前記蓋とが巻き締め方式で気密封口され、前記組電池は巻き締め部のケース側端部に接触する電池固定部材を備え、前記非水電解液二次電池間に空間を設けたことを特徴とする組電池。
- 前記電池固定部材が、巻き締め部の外径寸法より小さく、電池ケースの外径寸法より大きい開口部を設けた絶縁材料からなることを特徴とする請求項1に記載の組電池。
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Cited By (10)
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JP2009231125A (ja) * | 2008-03-24 | 2009-10-08 | Toshiba Corp | バッテリパック、バッテリパックの梱包方法および組立て方法 |
JP2010049808A (ja) * | 2008-08-19 | 2010-03-04 | Mitsubishi Heavy Ind Ltd | バッテリパック構造 |
JP2011034730A (ja) * | 2009-07-30 | 2011-02-17 | Toshiba Corp | 電池パック |
JP2011181485A (ja) * | 2010-02-05 | 2011-09-15 | Sanyo Electric Co Ltd | 角形電池及びその製造方法ならびにこれを用いてなる組電池 |
JP2013062092A (ja) * | 2011-09-12 | 2013-04-04 | Fdk Tottori Co Ltd | 電池パック用耐衝撃緩衝材、電池パック |
JP2014002906A (ja) * | 2012-06-18 | 2014-01-09 | Gs Yuasa Corp | 組電池 |
JP2014216141A (ja) * | 2013-04-24 | 2014-11-17 | 株式会社ドクター中松創研 | 熱暴走防止リチウムイオンバッテリ装置 |
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JP2017152394A (ja) * | 2017-04-05 | 2017-08-31 | 株式会社Gsユアサ | 蓄電素子及び蓄電装置 |
CN111727515A (zh) * | 2018-02-20 | 2020-09-29 | 松下知识产权经营株式会社 | 圆筒形电池 |
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JP2009231125A (ja) * | 2008-03-24 | 2009-10-08 | Toshiba Corp | バッテリパック、バッテリパックの梱包方法および組立て方法 |
JP2010049808A (ja) * | 2008-08-19 | 2010-03-04 | Mitsubishi Heavy Ind Ltd | バッテリパック構造 |
US20110151314A1 (en) * | 2008-08-19 | 2011-06-23 | Mitsubishi Heavy Industries, Ltd. | Battery pack structure |
JP2011034730A (ja) * | 2009-07-30 | 2011-02-17 | Toshiba Corp | 電池パック |
JP2011181485A (ja) * | 2010-02-05 | 2011-09-15 | Sanyo Electric Co Ltd | 角形電池及びその製造方法ならびにこれを用いてなる組電池 |
JP2013062092A (ja) * | 2011-09-12 | 2013-04-04 | Fdk Tottori Co Ltd | 電池パック用耐衝撃緩衝材、電池パック |
JP2014002906A (ja) * | 2012-06-18 | 2014-01-09 | Gs Yuasa Corp | 組電池 |
US9653714B2 (en) | 2013-03-27 | 2017-05-16 | Gs Yuasa International Ltd. | Electric storage device and electric storage apparatus |
JP2014216141A (ja) * | 2013-04-24 | 2014-11-17 | 株式会社ドクター中松創研 | 熱暴走防止リチウムイオンバッテリ装置 |
JP2017152394A (ja) * | 2017-04-05 | 2017-08-31 | 株式会社Gsユアサ | 蓄電素子及び蓄電装置 |
CN111727515A (zh) * | 2018-02-20 | 2020-09-29 | 松下知识产权经营株式会社 | 圆筒形电池 |
CN111727515B (zh) * | 2018-02-20 | 2022-05-31 | 松下知识产权经营株式会社 | 圆筒形电池 |
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