JP4560129B1 - アルカリ電池 - Google Patents
アルカリ電池 Download PDFInfo
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- JP4560129B1 JP4560129B1 JP2009205587A JP2009205587A JP4560129B1 JP 4560129 B1 JP4560129 B1 JP 4560129B1 JP 2009205587 A JP2009205587 A JP 2009205587A JP 2009205587 A JP2009205587 A JP 2009205587A JP 4560129 B1 JP4560129 B1 JP 4560129B1
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000000843 powder Substances 0.000 claims abstract description 57
- 239000003792 electrolyte Substances 0.000 claims abstract description 27
- 239000003349 gelling agent Substances 0.000 claims abstract description 15
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 abstract description 6
- 230000007423 decrease Effects 0.000 abstract description 5
- 238000005868 electrolysis reaction Methods 0.000 abstract 1
- 239000008151 electrolyte solution Substances 0.000 description 17
- 229910001297 Zn alloy Inorganic materials 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000014759 maintenance of location Effects 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- 229910052725 zinc Inorganic materials 0.000 description 6
- 238000012856 packing Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/06—Electrodes for primary cells
- H01M4/08—Processes of manufacture
- H01M4/12—Processes of manufacture of consumable metal or alloy electrodes
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- H—ELECTRICITY
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- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/24—Electrodes for alkaline accumulators
- H01M4/244—Zinc electrodes
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- H—ELECTRICITY
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- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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- 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
- H01M50/117—Inorganic material
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- 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
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- 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
- H01M50/1243—Primary casings; Jackets or wrappings characterised by the material having a layered structure characterised by the internal coating on the casing
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- 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
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/182—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for cells with a collector centrally disposed in the active mass, e.g. Leclanché cells
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
- H01M50/469—Separators, membranes or diaphragms characterised by their shape tubular or cylindrical
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- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
- H01M6/08—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with cup-shaped electrodes
- H01M6/085—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with cup-shaped electrodes of the reversed type, i.e. anode in the centre
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- H01M4/75—Wires, rods or strips
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Abstract
【解決手段】正極2及び負極3がセパレータ4を介して電池ケース1内に収納され、正極2は、二酸化マンガン及びアルカリ電解液を含み、負極3は、亜鉛粉末、ゲル化剤、及びアルカリ電解液を含むゲル状負極からなる。亜鉛粉末は、200メッシュ未満の微粉が15質量%以上、20〜80メッシュの粗粉が10〜35質量%の範囲で含まれ、かつ、亜鉛粉末の比表面積が、0.025〜0.080m2/gの範囲にある。
【選択図】図1
Description
(1)アルカリ電池を負極端子7側から分解して、封口体9を取り出す。
(2)分解した電池を元の封口体9側を下面にして10秒間保持し、電池内部で遊離している電解液を自然落下により除去する。
(3)ゲル状負極3をセパレータ4内に収納された状態で取り出す。
(4)セパレータ4の側面(正極2に接する面)を剥ぎ取り、ゲル状負極3の側面を露出させる。
(5)ゲル状負極3の負極端子7側の端面を含む部分(最上部)と正極端子10側の端面を含む部分(最下部)から、それぞれ約0.5gをシャーレに厚さが2mm以下となるように広げて採取し、精秤する。
(6)恒温層内で120℃で2時間、それぞれのゲル状負極3を乾燥させる。
(7)恒温層内から取り出して5分間の自然冷却後、再度精秤する。
(8)上記(5)と(7)の精秤から得られた質量減分をゲル状負極3の水分量とみなし、ゲル状負極3の水分率を算出する。
2 正極
3 ゲル状負極
4 セパレータ
5 ガスケット
6 負極端子棒
7 負極端子(封口板)
8 外装ラベル
9 封口体
10 正極端子(突起部)
11 肩部
20 アルカリ電池
Claims (7)
- 正極及び負極がセパレータを介して電池ケース内に収納されてなるアルカリ電池であって、
前記正極は、二酸化マンガン及びアルカリ電解液を含み、
前記負極は、亜鉛粉末、ゲル化剤、及びアルカリ電解液を含むゲル状負極からなり、
前記亜鉛粉末は、200メッシュ未満の微粉が15質量%以上、20〜80メッシュの粗粉が10〜35質量%の範囲で含まれ、かつ、前記亜鉛粉末の比表面積が、0.025〜0.080m2/gの範囲にある、アルカリ電池。 - 前記亜鉛粉末は、80〜800ppmの範囲のAlを含有する、請求項1に記載のアルカリ電池。
- 前記亜鉛粉末は、30〜150ppmの範囲のBiを含有する、請求項1に記載のアルカリ電池。
- 前記電池ケースは、正極の一部を兼ねた有底円筒形からなり、前記電池ケースの開口部は、負極端子を兼ねた封口板で封口されており、
前記電池ケースの底部は、正極端子となる突起部と、前記電池ケースの胴体部から前記突起部に繋がる肩部とを備え、
前記セパレータは、有底円筒形からなり、前記電池ケースの肩部と前記セパレータの底部との隙間が、0.5mm以下である、請求項1に記載のアルカリ電池。 - 前記電池ケースの胴体部及び底部の内面に、黒鉛塗膜が形成されている、請求項4に記載のアルカリ電池。
- 前記負極は、前記ゲル状負極中のアルカリ電解液に対して1.8〜2.65質量%の範囲のゲル化剤を含む、請求項1に記載のアルカリ電池。
- 前記ゲル状負極中の最上部に含まれる水分率と最下部に含まれる水分率との差は、2.5質量%以下である、請求項1に記載のアルカリ電池。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009205587A JP4560129B1 (ja) | 2009-09-07 | 2009-09-07 | アルカリ電池 |
CN201080001470XA CN102067366B (zh) | 2009-09-07 | 2010-03-15 | 碱性电池 |
PCT/JP2010/001835 WO2011027485A1 (ja) | 2009-09-07 | 2010-03-15 | アルカリ電池 |
US12/920,444 US8343658B2 (en) | 2009-09-07 | 2010-03-15 | Alkaline battery having improved high rate discharge capability |
EP10744833.4A EP2320503B1 (en) | 2009-09-07 | 2010-03-15 | Alkaline battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009205587A JP4560129B1 (ja) | 2009-09-07 | 2009-09-07 | アルカリ電池 |
Publications (2)
Publication Number | Publication Date |
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JP4560129B1 true JP4560129B1 (ja) | 2010-10-13 |
JP2011060440A JP2011060440A (ja) | 2011-03-24 |
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JP2009205587A Active JP4560129B1 (ja) | 2009-09-07 | 2009-09-07 | アルカリ電池 |
Country Status (5)
Country | Link |
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US (1) | US8343658B2 (ja) |
EP (1) | EP2320503B1 (ja) |
JP (1) | JP4560129B1 (ja) |
CN (1) | CN102067366B (ja) |
WO (1) | WO2011027485A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5778562B2 (ja) * | 2011-12-09 | 2015-09-16 | 日立マクセル株式会社 | 扁平形アルカリ電池 |
CN103695714A (zh) * | 2013-12-11 | 2014-04-02 | 高建军 | 碱性锌锰电池的锌膏制备方法 |
US9958504B2 (en) | 2014-06-20 | 2018-05-01 | Duracell U.S. Operations, Inc. | Primary alkaline battery with integrated in-cell resistances |
CN107438915B (zh) | 2015-01-16 | 2021-03-09 | 劲量品牌有限责任公司 | 具有改进的可靠性和放电性能的碱性电池单元 |
JP7408578B2 (ja) | 2019-01-15 | 2024-01-05 | Fdk株式会社 | アルカリ電池 |
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- 2009-09-07 JP JP2009205587A patent/JP4560129B1/ja active Active
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2010
- 2010-03-15 WO PCT/JP2010/001835 patent/WO2011027485A1/ja active Application Filing
- 2010-03-15 EP EP10744833.4A patent/EP2320503B1/en active Active
- 2010-03-15 US US12/920,444 patent/US8343658B2/en active Active
- 2010-03-15 CN CN201080001470XA patent/CN102067366B/zh active Active
Patent Citations (7)
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JPS57182972A (en) * | 1981-05-06 | 1982-11-11 | Matsushita Electric Ind Co Ltd | Alkaline battery |
JPH0878017A (ja) * | 1994-09-08 | 1996-03-22 | Dowa Mining Co Ltd | アルカリ電池用亜鉛合金粉末 |
JP2003017077A (ja) * | 2001-06-29 | 2003-01-17 | Toshiba Battery Co Ltd | 密閉型アルカリ亜鉛一次電池 |
JP2004179044A (ja) * | 2002-11-28 | 2004-06-24 | Hitachi Maxell Ltd | アルカリ一次電池用負極活物質、およびそれを用いたアルカリ一次電池 |
JP2004253276A (ja) * | 2003-02-20 | 2004-09-09 | Dowa Mining Co Ltd | アルカリ電池用亜鉛合金粉末とそれを用いたアルカリ電池 |
JP2005310616A (ja) * | 2004-04-23 | 2005-11-04 | Matsushita Electric Ind Co Ltd | アルカリ電池 |
JP2007227011A (ja) * | 2006-02-21 | 2007-09-06 | Toshiba Battery Co Ltd | アルカリ電池 |
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EP2320503B1 (en) | 2017-05-03 |
US8343658B2 (en) | 2013-01-01 |
EP2320503A1 (en) | 2011-05-11 |
JP2011060440A (ja) | 2011-03-24 |
WO2011027485A1 (ja) | 2011-03-10 |
EP2320503A4 (en) | 2013-11-27 |
CN102067366A (zh) | 2011-05-18 |
US20110293999A1 (en) | 2011-12-01 |
CN102067366B (zh) | 2013-03-20 |
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