JP4936502B2 - 円筒形アルカリ電池およびその製造方法 - Google Patents
円筒形アルカリ電池およびその製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 146
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- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 14
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 13
- 239000008151 electrolyte solution Substances 0.000 description 13
- 229910052725 zinc Inorganic materials 0.000 description 13
- 239000011701 zinc Substances 0.000 description 13
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 10
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 9
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- 229910052797 bismuth Inorganic materials 0.000 description 3
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- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
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- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
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- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 2
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
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- 229920000433 Lyocell Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000004110 Zinc silicate Substances 0.000 description 1
- OSOVKCSKTAIGGF-UHFFFAOYSA-N [Ni].OOO Chemical compound [Ni].OOO OSOVKCSKTAIGGF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
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- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000000465 moulding Methods 0.000 description 1
- 229910000483 nickel oxide hydroxide Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
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- XSMMCTCMFDWXIX-UHFFFAOYSA-N zinc silicate Chemical compound [Zn+2].[O-][Si]([O-])=O XSMMCTCMFDWXIX-UHFFFAOYSA-N 0.000 description 1
- 235000019352 zinc silicate Nutrition 0.000 description 1
- XAEWLETZEZXLHR-UHFFFAOYSA-N zinc;dioxido(dioxo)molybdenum Chemical compound [Zn+2].[O-][Mo]([O-])(=O)=O XAEWLETZEZXLHR-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/545—Terminals formed by the casing of the cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
- H01M50/126—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers
- H01M50/128—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers with two or more layers of only inorganic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Primary Cells (AREA)
Description
(2)上記正極外装缶の上記樹脂製封口体と接する部分には、電池円筒軸方向に、軟質ニッケルメッキ層の亀裂による鋼板露出部が存在しており、該鋼板露出部の円筒軸方向に直交する方向の幅が100μm以下である。
本発明に係る正極は、通常、活物質である二酸化マンガンまたはオキシ水酸化ニッケルおよび導電助剤、更には成形のための電解液およびバインダを混合して正極合剤とし、この正極合剤をボビン状などに加圧成形することにより形成される。
本発明の円筒形アルカリ電池は、図1に示すように、上記の正極および負極を、セパレータと共に外装体内部に封入することにより作製される。上記の通り、正極を構成する正極合剤、および負極を構成する負極合剤には、それぞれアルカリ電解液が含まれているが、これらのアルカリ電解液のみではその液量が不足することがあるため、更に電解液を電池内に注入して、セパレータや正極に吸収させることが望ましい。
正極外装缶の樹脂製封口体と接する部分における表面粗さ(Ra)は、ミツトヨ社製の「SJ−201」を用い、カットオフ=0.8mmで測定した。
正極外装缶の樹脂製封口体と接する部分における鋼板露出部の幅は、マイクロスコープを用いた表面観察(倍率500倍)を行って測定した。
水分を1.6質量%含有する二酸化マンガン、黒鉛、ポリテトラフルオロエチレン粉末および正極合剤調製用のアルカリ電解液(酸化亜鉛を2.9質量%含有する56質量%水酸化カリウム水溶液)を87.6:6.7:0.2:5.5の質量比で、50℃の温度下で混合して正極合剤を調製した。なお、この正極合剤中、二酸化マンガン100質量部に対して、黒鉛は7.6質量部であった。また、正極合剤が含有する電解液の水酸化カリウム濃度は、二酸化マンガンの含有水分を考慮すると44.6質量%となった。
正極外装缶の出発材料として、両面に1.5μmの厚みの軟質ニッケルメッキ層を有し、厚みが0.25mmでG.S.noが9.9のキルド鋼板を用いた。それ以外は、実施例1と同様にしてアルカリ電池を作製した。
正極外装缶の出発材料として、両面に1.5μmの厚みの軟質ニッケルメッキ層を有し、厚みが0.25mmでG.S.noが10.3のキルド鋼板を用いた。それ以外は、実施例1と同様にしてアルカリ電池を作製した。
正極外装缶の作製の出発材料として、両面に1.5μmの厚みの軟質ニッケルメッキ層を有し、厚みが0.25mmでG.S.noが8.4のキルド鋼板を用いた。それ以外は、実施例1と同様にしてアルカリ電池を作製した。
実施例および比較例に係る電池各々10000個に対し、45℃にて24時間の貯蔵を行い、漏液の有無を判別した。漏液の判別は目視にて実施した。結果を表1に示す。
実施例および比較例に係る電池各々5個に対し、2.0Aの放電電流で、毎分2秒間放電、58秒間休止の周期を繰り返す試験を行い、持続時間は、毎分2秒間放電終了時を1回として数えて、2秒間の放電(パルス放電)が可能な回数の平均値を求め、負荷特性を評価した。すなわち、パルス放電が可能な回数(パルス放電回数)が多いほど、電池の負荷特性が優れていることを意味しているが、実施例1〜3および比較例の電池では、放電特性がいずれも同等であった。
2 正極
3 セパレータ
4 負極
5 負極集電棒
6 樹脂製封口体
7 負極端子板
8 絶縁板
9 金属ワッシャ
Claims (5)
- ニッケルメッキ鋼板で構成された有底円筒状の正極外装缶の内部に、正極および負極と電解液とが収容され、正極外装缶の開口部内に、樹脂製封口体と負極端子が装着されて、正極外装缶と負極端子とで樹脂製封口体が締め付けられることにより正極外装缶の開口部が封口されてなる円筒形アルカリ電池であって、
上記正極外装缶を構成するニッケルメッキ鋼板は、結晶粒のG.S.noが9〜12の鋼板の両面に軟質ニッケルメッキが施されており、かつNi−Fe拡散層を実質的に有しないものであり、
上記正極外装缶の上記樹脂製封口体と接する部分における表面粗さ(Ra)が、2以下であることを特徴とする円筒形アルカリ電池。 - ニッケルメッキ鋼板で構成された有底円筒状の正極外装缶の内部に、正極および負極と電解液とが収容され、正極外装缶の開口部内に、樹脂製封口体と負極端子が装着されて、正極外装缶と負極端子とで樹脂製封口体が締め付けられることにより正極外装缶の開口部が封口されてなる円筒形アルカリ電池であって、
上記正極外装缶を構成するニッケルメッキ鋼板は、結晶粒のG.S.noが9〜12の鋼板の両面に軟質ニッケルメッキが施されており、かつNi−Fe拡散層を実質的に有しないものであり、
上記正極外装缶の上記樹脂製封口体と接する部分には、電池円筒軸方向に、軟質ニッケルメッキ層の亀裂による鋼板露出部が存在しており、該鋼板露出部の円筒軸方向に直交する方向の幅が100μm以下であることを特徴とする円筒形アルカリ電池。 - 上記正極外装缶の内面および外面における軟質ニッケルメッキ層は、厚みが1〜3μmである請求項1または2に記載の円筒形アルカリ電池。
- ニッケルメッキ鋼板で構成された有底円筒状の正極外装缶の内部に、正極および負極と電解液とが収容され、正極外装缶の開口部内に、樹脂製封口体と負極端子が装着されて、正極外装缶と負極端子とで樹脂製封口体が締め付けられることにより正極外装缶の開口部が封口されてなる円筒形アルカリ電池を製造する方法であって、
上記正極外装缶を構成するニッケルメッキ鋼板に、結晶粒のG.S.noが9〜12の鋼板の両面に軟質ニッケルメッキが施されており、かつNi−Fe拡散層を形成する処理工程を経ずに得られた軟質ニッケルメッキ鋼板を用い、
上記正極外装缶の上記樹脂製封口体と接する部分における表面粗さ(Ra)を、2以下とすることを特徴とする円筒形アルカリ電池の製造方法。 - ニッケルメッキ鋼板で構成された有底円筒状の正極外装缶の内部に、正極および負極と電解液とが収容され、正極外装缶の開口部内に、樹脂製封口体と負極端子が装着されて、正極外装缶と負極端子とで樹脂製封口体が締め付けられることにより正極外装缶の開口部が封口されてなる円筒形アルカリ電池を製造する方法であって、
上記正極外装缶を構成するニッケルメッキ鋼板に、結晶粒のG.S.noが9〜12の鋼板の両面に軟質ニッケルメッキが施されており、かつNi−Fe拡散層を形成する処理工程を経ずに得られた軟質ニッケルメッキ鋼板を用い、
上記正極外装缶の上記樹脂製封口体と接する部分に、電池円筒軸方向に、軟質ニッケルメッキ層の亀裂によって、円筒軸方向に直交する方向の幅が100μm以下の鋼板露出部を形成することを特徴とする円筒形アルカリ電池の製造方法。
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JP2005184867A JP4936502B2 (ja) | 2005-06-24 | 2005-06-24 | 円筒形アルカリ電池およびその製造方法 |
US11/472,468 US20060292441A1 (en) | 2005-06-24 | 2006-06-22 | Cylindrical alkaline battery |
KR1020060056737A KR20060135541A (ko) | 2005-06-24 | 2006-06-23 | 원통형 알칼리전지 |
CN2006100931653A CN1885589B (zh) | 2005-06-24 | 2006-06-23 | 圆筒形碱性电池 |
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JP4199811B2 (ja) * | 2007-01-15 | 2008-12-24 | パナソニック株式会社 | アルカリ乾電池 |
JP5108356B2 (ja) * | 2007-03-30 | 2012-12-26 | Fdkエナジー株式会社 | 電池用金属部品及びその製造方法、電池 |
JP5078482B2 (ja) * | 2007-07-23 | 2012-11-21 | Fdkエナジー株式会社 | 密閉型電池および電池缶 |
JP2009076420A (ja) * | 2007-09-25 | 2009-04-09 | Panasonic Corp | 電池用缶、それを用いた電池および電池用缶の製造方法 |
US20090176157A1 (en) * | 2007-12-27 | 2009-07-09 | Hidekatsu Izumi | Aa and aaa alkaline dry batteries |
JP5255877B2 (ja) * | 2008-03-25 | 2013-08-07 | Fdkエナジー株式会社 | 密閉型電池 |
JP5524809B2 (ja) * | 2010-11-12 | 2014-06-18 | Fdkエナジー株式会社 | アルカリ電池用正極缶及びアルカリ電池 |
JP6706464B2 (ja) * | 2015-03-31 | 2020-06-10 | Fdk株式会社 | 電池缶形成用鋼板、及びアルカリ電池 |
KR20210092271A (ko) * | 2018-12-27 | 2021-07-23 | 닛폰세이테츠 가부시키가이샤 | Ni 도금 강판 및 Ni 도금 강판의 제조 방법 |
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EP0629009B1 (en) * | 1993-06-04 | 1997-08-06 | Katayama Special Industries, Ltd. | Battery can, sheet for forming battery can, and method for manufacturing sheet |
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KR20060135541A (ko) | 2006-12-29 |
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