JP6794988B2 - 蓄電素子及び蓄電素子の製造方法 - Google Patents
蓄電素子及び蓄電素子の製造方法 Download PDFInfo
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Description
以上、本発明に係る蓄電素子について、実施の形態に基づいて説明した。しかしながら、本発明は、上記実施の形態に限定されるものではない。本発明の趣旨を逸脱しない限り、当業者が思いつく各種変形を上記実施の形態に施したものも、あるいは、上記説明された複数の構成要素を組み合わせて構築される形態も、本発明の範囲内に含まれる。
100,100C 容器
110 蓋板
110a 貫通孔
110b 貫通孔
111,111c 本体
112 収容凹部
113 底
117 注液口
118 注液栓
120,130 下部絶縁部材
120a,130a 貫通孔
120b,130b 係合突部
121,131 係合部
122,132 取付部
125,135 上部絶縁部材
125a,126,135a,140a,150a 貫通孔
131a 切欠き部
133 リブ
140 正極集電体
145 正極リード板150 負極集電体
155 負極リード板
160 膨出部
170 ガス排出弁
180 蓋板構造体
200 正極端子
210,310 締結部
300 負極端子
350 絶縁シート
360 結束シート
370,380,390 接着テープ
400 電極体
410,420 タブ部
411,421 突出部
430 本体部
431,432 湾曲部
450 正極
460 負極
470a,470b セパレータ
470c,470d はみ出し部分
500 上部スペーサ
510 係止部
520 挿入部
600 緩衝シート
700,700A,700B,700C サイドスペーサ(スペーサ)
710 基部
711 天板
712 壁部
713 周壁
714,714a,714b 内壁
715 位置決め部
720,720c,721,722 壁体
720a,721a,722a 第1壁体
720b,721b,722b 第2壁体
730 底板
740,740a 開口部
760 第1部材
770 第2部材
780 梁部
Claims (11)
- 電極が巻回されてなる湾曲部を有する電極体と、前記電極体を収容する容器と、前記容器を閉塞する蓋板を有する蓋板構造体と、を備える蓄電素子であって、
前記電極体は、巻回軸方向における一端部が前記蓋板構造体に対向して、前記容器内に収容されており、
前記電極体は、本体部と、前記本体部から前記蓋板構造体に向かって突出したタブ部とを有し、
前記電極体の前記湾曲部に取り付けられたスペーサであって、その一端部が前記蓋板構造体の一部に当接しているスペーサを有する
蓄電素子。 - 前記スペーサは、前記電極体の前記巻回軸方向における一端部から他端部まで延在している
請求項1に記載の蓄電素子。 - 前記スペーサは、前記巻回軸方向における他端部に、前記電極体の他端部の一部を覆う底板を有する
請求項2に記載の蓄電素子。 - 前記スペーサは、前記電極体の巻回軸方向の一端部と容器との間に介在し、前記電極体の一端部の一部を覆う天板を有する
請求項1〜3のいずれか一項に記載の蓄電素子。 - 前記スペーサは、前記蓋板構造体を位置決めする位置決め部を有し、
前記蓋板構造体には、前記位置決め部に係合する係合部が設けられている
請求項1〜4のいずれか一項に記載の蓄電素子。 - 前記蓋板構造体は、前記蓋板と前記電極体との間に配置された絶縁部材を有し、
前記絶縁部材に前記係合部が設けられている
請求項5に記載の蓄電素子。 - 前記スペーサの前記一端部は、前記巻回軸方向で前記電極体から離間している
請求項1〜6のいずれか一項に記載の蓄電素子。 - 前記蓋板構造体は前記タブ部に電気的に接続される集電体を有し、
前記タブ部は、折り曲げ部を有する
請求項1〜7のいずれか一項に記載の蓄電素子。 - 電極が積層されてなる電極体と、前記電極体を収容する容器と、前記容器を閉塞する蓋板を有する蓋板構造体とを備える蓄電素子であって、
前記電極体は、前記容器内に収容されており、
前記電極体は、本体部と、前記本体部から前記蓋板構造体に向かって突出したタブ部を有し、
前記電極体に取り付けられたスペーサであって、その一端部が前記蓋板構造体の一部に当接しているスペーサを有する
蓄電素子。 - 電極が積層されてなる電極体と、前記電極体を収容する容器と、前記容器を閉塞する蓋板を有する蓋板構造体と、を備える蓄電素子であって、
前記電極体は、前記容器内に収容されており、
前記電極体に取り付けられたスペーサであって、その一端部が前記蓋板構造体の一部に当接しているスペーサを有し、
前記スペーサは、前記蓋板構造体を位置決めする位置決め部を有し、
前記蓋板構造体には、前記位置決め部に係合する係合部が設けられている
蓄電素子。 - 電極が巻回されてなる湾曲部を有する電極体を収容する容器と、前記容器を閉塞する蓋板を有する蓋板構造体と、前記電極体に取り付けられたスペーサと、を備える蓄電素子の製造方法であって、
前記電極体に取り付けられた前記スペーサにおける前記蓋板構造体側の一端部に前記蓋板構造体の一部を当接させた状態で前記蓋板構造体を押すことで、前記電極体の、巻回軸方向における一端部を前記蓋板構造体に対向させながら、前記電極体を前記容器に収容する
蓄電素子の製造方法。
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JP2015186090 | 2015-09-18 | ||
JP2015186090 | 2015-09-18 | ||
PCT/JP2016/077542 WO2017047787A1 (ja) | 2015-09-18 | 2016-09-16 | 蓄電素子及び蓄電素子の製造方法 |
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JP2018147618A (ja) * | 2017-03-02 | 2018-09-20 | 株式会社Gsユアサ | 蓄電素子 |
JPWO2019131492A1 (ja) * | 2017-12-27 | 2021-01-14 | 株式会社Gsユアサ | 蓄電素子 |
DE112018006700T5 (de) * | 2017-12-27 | 2020-09-10 | Gs Yuasa International Ltd. | Energiespeichervorrichtung |
JP7176300B2 (ja) * | 2018-08-28 | 2022-11-22 | 株式会社Gsユアサ | 蓄電素子 |
CN111200155A (zh) * | 2018-11-19 | 2020-05-26 | 宁德新能源科技有限公司 | 电极组件及包括该电极组件的电池 |
WO2020110976A1 (ja) * | 2018-11-28 | 2020-06-04 | 三洋電機株式会社 | 電池及びその製造方法 |
CN112864512A (zh) * | 2019-11-27 | 2021-05-28 | 江苏海四达电源股份有限公司 | 锂离子电池 |
CN112864542A (zh) * | 2019-11-27 | 2021-05-28 | 江苏海四达电源股份有限公司 | 极柱结构及锂离子电池 |
CN211907597U (zh) * | 2020-03-27 | 2020-11-10 | 宁德新能源科技有限公司 | 电芯和应用所述电芯的电池 |
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JP7296923B2 (ja) * | 2020-08-12 | 2023-06-23 | プライムプラネットエナジー&ソリューションズ株式会社 | 角型電池 |
CN115133184B (zh) * | 2021-03-29 | 2023-10-03 | 宁德新能源科技有限公司 | 电芯、电池及用电设备 |
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JP4863636B2 (ja) | 2005-03-29 | 2012-01-25 | 三洋電機株式会社 | 渦巻式電極の角型電池 |
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CN104916868A (zh) * | 2015-07-03 | 2015-09-16 | 深圳市慧通天下科技股份有限公司 | 一种圆柱形锂离子动力电池及其制作工艺 |
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US20180269523A1 (en) | 2018-09-20 |
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JPWO2017047787A1 (ja) | 2018-08-09 |
DE112016004239T5 (de) | 2018-07-26 |
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US20210336288A1 (en) | 2021-10-28 |
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