JP5191253B2 - アルカリ電池用正極合剤及びアルカリ電池 - Google Patents
アルカリ電池用正極合剤及びアルカリ電池 Download PDFInfo
- Publication number
- JP5191253B2 JP5191253B2 JP2008064973A JP2008064973A JP5191253B2 JP 5191253 B2 JP5191253 B2 JP 5191253B2 JP 2008064973 A JP2008064973 A JP 2008064973A JP 2008064973 A JP2008064973 A JP 2008064973A JP 5191253 B2 JP5191253 B2 JP 5191253B2
- Authority
- JP
- Japan
- Prior art keywords
- positive electrode
- graphite
- electrode mixture
- alkaline battery
- average particle
- 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.)
- Active
Links
- 239000000203 mixture Substances 0.000 title claims description 66
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 66
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 61
- 229910002804 graphite Inorganic materials 0.000 claims description 59
- 239000010439 graphite Substances 0.000 claims description 59
- 239000002245 particle Substances 0.000 claims description 52
- 239000006258 conductive agent Substances 0.000 claims description 7
- 239000007774 positive electrode material Substances 0.000 claims description 7
- 230000000052 comparative effect Effects 0.000 description 18
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 229910001297 Zn alloy Inorganic materials 0.000 description 3
- 229910021383 artificial graphite Inorganic materials 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 239000003349 gelling agent Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229910021382 natural graphite Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229920002125 Sokalan® Polymers 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- -1 for example Substances 0.000 description 2
- 238000007561 laser diffraction method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000004584 polyacrylic acid Substances 0.000 description 2
- 229920006122 polyamide resin Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 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
- 229920001778 nylon Polymers 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- Y02E60/12—
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Description
正極缶21の開口部内面側には、負極端子板61と集電棒71と封口ガスケット81とを組み付けてなる電極用集電体60が配置されかつカシメ付けられている。その結果、正極缶21が液密的に封口されている。また、正極缶21の胴部外面側には外装ラベル23が貼り付けられている。
(1)正極合剤の成形性(各n=5としたときの平均値)
(2)放電特性(各n=5としたときの平均値)
B.評価試験の結果
C.結論
31…正極合剤成形体
Claims (3)
- 正極活物質として二酸化マンガンを含有し、導電剤として黒鉛を含有するアルカリ電池用正極合剤において、二酸化マンガンの平均粒径が30μm以上70μm以下の範囲であり、黒鉛の平均粒径が60μm以上280μm以下の範囲であり、二酸化マンガンに対する黒鉛の平均粒径比が2.0以上4.0以下の範囲であることを特徴とするアルカリ電池用正極合剤。
- 二酸化マンガンと黒鉛との重量比率が9:1〜32:1の範囲であることを特徴とする請求項1に記載のアルカリ電池用正極合剤。
- 請求項1または2に記載のアルカリ電池用正極合剤を用いたことを特徴とするアルカリ電池。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008064973A JP5191253B2 (ja) | 2008-03-13 | 2008-03-13 | アルカリ電池用正極合剤及びアルカリ電池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008064973A JP5191253B2 (ja) | 2008-03-13 | 2008-03-13 | アルカリ電池用正極合剤及びアルカリ電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009224077A JP2009224077A (ja) | 2009-10-01 |
JP5191253B2 true JP5191253B2 (ja) | 2013-05-08 |
Family
ID=41240654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008064973A Active JP5191253B2 (ja) | 2008-03-13 | 2008-03-13 | アルカリ電池用正極合剤及びアルカリ電池 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5191253B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2768048B1 (en) | 2012-12-20 | 2018-04-25 | Panasonic Intellectual Property Management Co., Ltd. | Alkaline cell |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3216451B2 (ja) * | 1994-12-12 | 2001-10-09 | 松下電器産業株式会社 | 非水電解液電池 |
JPH10154509A (ja) * | 1996-11-25 | 1998-06-09 | S I I Micro Parts:Kk | 酸化銀電池 |
JPH10302793A (ja) * | 1997-04-24 | 1998-11-13 | Fuji Elelctrochem Co Ltd | アルカリ電池用正極合剤 |
JP5081387B2 (ja) * | 2006-01-12 | 2012-11-28 | Fdkエナジー株式会社 | 正極合剤およびアルカリ電池 |
-
2008
- 2008-03-13 JP JP2008064973A patent/JP5191253B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2009224077A (ja) | 2009-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5187033A (en) | Lithium secondary battery | |
US7341803B2 (en) | Battery with increased electrode interfacial surface area and increased active materials | |
JP2008511961A (ja) | MnO2/NiOOH活物質を有するアルカリ電池 | |
JP5626957B2 (ja) | アルカリ電気化学セル | |
US9306206B2 (en) | Alkaline cell having increased interfacial area | |
US20110039148A1 (en) | Alkaline primary cells | |
JP2008262732A (ja) | アルカリ乾電池 | |
JP5172292B2 (ja) | アルカリ電池及びその製造方法 | |
US11936073B2 (en) | Electrochemical cell with improved high-rate discharge performance | |
EP1817809B1 (en) | Electrochemical cell | |
JP5191253B2 (ja) | アルカリ電池用正極合剤及びアルカリ電池 | |
JP4749333B2 (ja) | 改善したパワー特性を有するバッテリセル及びその製造方法 | |
JP5258340B2 (ja) | アルカリ電池及びその製造方法 | |
JP5388528B2 (ja) | アルカリ電池用正極合剤の製造方法、アルカリ電池 | |
JP2009043417A (ja) | 筒形アルカリ電池 | |
JP2006500742A (ja) | 電極界面表面積を増大させ、活物質を増加させたバッテリ | |
JP2002117859A (ja) | アルカリ電池 | |
JP5135579B2 (ja) | 扁平形アルカリ電池 | |
US20110039149A1 (en) | Alkaline primary cells | |
JP2009123439A (ja) | 電池及びその製造方法 | |
JP2002260652A (ja) | アルカリマンガン電池用正極合材およびそれを用いた電池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20110303 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130129 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130129 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5191253 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20160208 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |