JP2007134125A - 筒形電池 - Google Patents
筒形電池 Download PDFInfo
- Publication number
- JP2007134125A JP2007134125A JP2005324800A JP2005324800A JP2007134125A JP 2007134125 A JP2007134125 A JP 2007134125A JP 2005324800 A JP2005324800 A JP 2005324800A JP 2005324800 A JP2005324800 A JP 2005324800A JP 2007134125 A JP2007134125 A JP 2007134125A
- Authority
- JP
- Japan
- Prior art keywords
- positive electrode
- electrode mixture
- seat plate
- cylindrical battery
- annular seat
- 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
Links
- 239000000203 mixture Substances 0.000 claims abstract description 53
- 230000008961 swelling Effects 0.000 claims abstract description 10
- 239000003792 electrolyte Substances 0.000 claims description 10
- 239000007773 negative electrode material Substances 0.000 claims description 9
- 230000035515 penetration Effects 0.000 claims description 3
- 239000008151 electrolyte solution Substances 0.000 abstract description 25
- 238000007789 sealing Methods 0.000 abstract description 16
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 238000002347 injection Methods 0.000 abstract description 6
- 239000007924 injection Substances 0.000 abstract description 6
- 238000009499 grossing Methods 0.000 abstract description 3
- 230000001629 suppression Effects 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 abstract 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
-
- Y02E60/122—
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Filling, Topping-Up Batteries (AREA)
- Primary Cells (AREA)
- Secondary Cells (AREA)
Abstract
【解決手段】有底円筒状の正極缶11に装填された円筒状正極合剤21の上端面を環状座板51で押さえ付けるとともに、その環状座板51は、正極合剤21の上端面全体に覆い被さるとともに、正極合剤21の上端面と環状座板51との間に電解液を浸透させやすくする隙間dが形成されている。
【選択図】図1
Description
12 正極端子部
13 くびれ(ビーディング)部
14 屈曲(カール)部
21 正極合剤
22 セパレータ
23 負極活物質
31 負極端子板
32 封口板
33 導電リード部(負極集電体の一部)
34 負極集電体
41 ガスケット
51 環状座板(本発明)
51a 円形リング部
51b 環状枠部
d 隙間
61,62 環状座板(従来)
621 透液窓部
Claims (3)
- 円筒状のコアに成型された正極合剤が有底円筒状の正極缶内に装填され、その正極合剤の内側には電解液が注液されるとともにセパレータおよび負極活物質が装填され、正極缶の開口部はガスケットを用いて封口され、正極合剤の上端面は正極缶内にて上方移動を係止された状態で正極合剤の膨潤を抑える環状座板が被せられた筒形電池において、上記環状座板は正極合剤の上端面全体に覆い被さるとともに、正極合剤の上端面と環状座板との間に電解液を浸透させやすくする隙間が形成されていることを特徴とする筒形電池。
- 請求項1において、上記隙間は正極缶の内方に向けてデーパー状に開くように形成されていることを特徴とする筒形電池。
- 請求項1または2において、上記正極缶はその開口部の内側にて挟持されたガスケットにより封口され、上記環状座板は上記ガスケットを挟持するために上記正極缶に形成されたくびれ部にて上記正極缶内での移動を係止させられていることを特徴とする筒形電池。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005324800A JP4958425B2 (ja) | 2005-11-09 | 2005-11-09 | 筒形電池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005324800A JP4958425B2 (ja) | 2005-11-09 | 2005-11-09 | 筒形電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007134125A true JP2007134125A (ja) | 2007-05-31 |
JP4958425B2 JP4958425B2 (ja) | 2012-06-20 |
Family
ID=38155619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005324800A Active JP4958425B2 (ja) | 2005-11-09 | 2005-11-09 | 筒形電池 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4958425B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7519580B2 (ja) | 2020-08-05 | 2024-07-22 | パナソニックIpマネジメント株式会社 | リチウム一次電池 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63116972A (ja) * | 1986-11-05 | 1988-05-21 | Toyota Motor Corp | ポ−トレス型マスタシリンダ装置 |
JP2002198060A (ja) * | 2000-12-26 | 2002-07-12 | Sony Corp | 電 池 |
JP2003017078A (ja) * | 2001-06-29 | 2003-01-17 | Toshiba Battery Co Ltd | 亜鉛アルカリ電池 |
JP2005216740A (ja) * | 2004-01-30 | 2005-08-11 | Fdk Energy Co Ltd | 筒形電池 |
-
2005
- 2005-11-09 JP JP2005324800A patent/JP4958425B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63116972A (ja) * | 1986-11-05 | 1988-05-21 | Toyota Motor Corp | ポ−トレス型マスタシリンダ装置 |
JP2002198060A (ja) * | 2000-12-26 | 2002-07-12 | Sony Corp | 電 池 |
JP2003017078A (ja) * | 2001-06-29 | 2003-01-17 | Toshiba Battery Co Ltd | 亜鉛アルカリ電池 |
JP2005216740A (ja) * | 2004-01-30 | 2005-08-11 | Fdk Energy Co Ltd | 筒形電池 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7519580B2 (ja) | 2020-08-05 | 2024-07-22 | パナソニックIpマネジメント株式会社 | リチウム一次電池 |
Also Published As
Publication number | Publication date |
---|---|
JP4958425B2 (ja) | 2012-06-20 |
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