JPS62271350A - Nonaqueous electrolytic solution battery - Google Patents
Nonaqueous electrolytic solution batteryInfo
- Publication number
- JPS62271350A JPS62271350A JP61110931A JP11093186A JPS62271350A JP S62271350 A JPS62271350 A JP S62271350A JP 61110931 A JP61110931 A JP 61110931A JP 11093186 A JP11093186 A JP 11093186A JP S62271350 A JPS62271350 A JP S62271350A
- Authority
- JP
- Japan
- Prior art keywords
- active material
- positive electrode
- discharge
- molybdenum sulfide
- electrolytic solution
- 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.)
- Pending
Links
- 239000008151 electrolyte solution Substances 0.000 title abstract 3
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011149 active material Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000002904 solvent Substances 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims abstract 2
- 239000002184 metal Substances 0.000 claims abstract 2
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000011255 nonaqueous electrolyte Substances 0.000 claims description 7
- 239000003792 electrolyte Substances 0.000 claims 1
- 208000028659 discharge Diseases 0.000 abstract description 24
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 abstract description 14
- 229960004643 cupric oxide Drugs 0.000 abstract description 6
- -1 polytetrafluoroethylene Polymers 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 abstract description 2
- 229910002804 graphite Inorganic materials 0.000 abstract description 2
- 239000010439 graphite Substances 0.000 abstract description 2
- 239000008188 pellet Substances 0.000 abstract description 2
- 239000011230 binding agent Substances 0.000 abstract 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 1
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 1
- 239000011369 resultant mixture Substances 0.000 abstract 1
- 239000007774 positive electrode material Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229910000416 bismuth oxide Inorganic materials 0.000 description 2
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 235000001270 Allium sibiricum Nutrition 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
【発明の詳細な説明】
３、発明の詳細な説明
〔産業上の利用分野〕
本発明は非水電解液電池の正極活物質の改良に関するも
のである。Detailed Description of the Invention 3. Detailed Description of the Invention [Field of Industrial Application] The present invention relates to improvement of a positive electrode active material for a non-aqueous electrolyte battery.
従来、腕時計をはじめとする電卓、補聴器などに用いら
れてきた１、５ｖ系電池のアルカリ乾電池、酸化銀１！
池などの代替として、近年高エネルギー密度、高信頼性
、無公沓のｉ、ｓ ｖ系リチウム電池が急速に使用され
つつある。Silver oxide 1, an alkaline battery of the 1.5V series that has traditionally been used in wristwatches, calculators, hearing aids, etc.
In recent years, I- and SV-based lithium batteries, which have high energy density, high reliability, and are not publicly available, are rapidly being used as an alternative to batteries.
中でも良好な放電特性を示すものとして、正極Ｖ Ａ僑
イｌ／笛’−但６田１八？ｒ ＩＩ 手ｒ’ｙ
／−Ｉｎｆ ＋Ｉｈ −Ａｔ ｌｔｎ Ｌ ｈ イ１
Δる。Among them, the positive electrode V A 1/Fue'-However, the one that shows good discharge characteristics is the one that shows good discharge characteristics. r II hand r'y
/-Inf +Ih -At ltn L h I1
Δru.
酸化第二鋼は正極活物質としての単位体積当シの理論電
気容量が太きく、資源として豊富にあり、比較的安価に
入手できるなど注目されている。Oxidized second steel is attracting attention because it has a large theoretical capacitance per unit volume as a positive electrode active material, is abundant as a resource, and can be obtained relatively inexpensively.
ところが、従来の酸化ｓ −ＩＪチウム電池は、放電初
期において電圧の落ち込み現象がみられるなど問題点が
あった。すなわち、これは電池の放電端子電圧の平坦性
が重要である電子アナログウォッチ用電源として用いる
場合、時に低温下で使用する際ウォッチの精度に悪影響
を及ぼしていた。However, the conventional s-IJ lithium oxide battery has problems such as a voltage drop phenomenon in the early stage of discharge. That is, when used as a power source for an electronic analog watch where the flatness of the discharge terminal voltage of the battery is important, this sometimes adversely affects the accuracy of the watch when used at low temperatures.
本発明は正極活物質として、酸化第二鋼と硫化モリブデ
ンとの混合物を用いることにょシ、前述の問題点を解決
するものである。The present invention solves the above-mentioned problems by using a mixture of oxidized second steel and molybdenum sulfide as a positive electrode active material.
〔問題点を解決す′るための手段および実施例〕次に、
本発明の非水電解液電池を実施例により説明する。第１
表に示したように酸化第二鋼（ＣｕＯ）と硫化モリブデ
ン（ＭＯ８２）を各種の割合で混合し、さらに導電材と
して黒鉛を前記混合活物質１００重ｆ部に対に１０！−
８ｆＩ−龍 枯着飼１シ１ブゼ■子にら１ロロｘ−１−
レン５重量部を混合し、これをベレット状に加圧成形し
、正極とした。[Means and Examples for Solving Problems] Next,
The non-aqueous electrolyte battery of the present invention will be explained by way of examples. 1st
As shown in the table, second steel oxide (CuO) and molybdenum sulfide (MO82) are mixed in various proportions, and graphite is added as a conductive material to 100 parts by weight of the mixed active material at a rate of 10! −
8fI-Dragon 1 Shi 1 Buze ■Chive 1 Roro x-1-
5 parts by weight of Ren were mixed, and this was press-molded into a pellet shape to form a positive electrode.
この正極を用いて、第１図に示すボタン型非水嵯解液電
池を岨み立てた。第１図において、１はステンレス鋼か
らなるキャップ、２はポリプロピレン製のバッキング、
３はキャップ内面に圧着した金属リチウム負極、４はポ
リプロピレン製の不織布からなるセパレータ、５は前述
の正極、６はステンレスＡからなる正極缶である。また
、プロピレンカーボネイト１．２ジメトキシエタンとを
体積比で１：１の割合で混合した溶媒に、過塩素酸リチ
ウムを１モル／ｌ溶解させた非水電解液を用いた。Using this positive electrode, a button-type non-aqueous solution battery as shown in FIG. 1 was constructed. In Figure 1, 1 is a cap made of stainless steel, 2 is a backing made of polypropylene,
3 is a metallic lithium negative electrode crimped onto the inner surface of the cap, 4 is a separator made of a nonwoven fabric made of polypropylene, 5 is the above-mentioned positive electrode, and 6 is a positive electrode can made of stainless steel A. Further, a non-aqueous electrolyte was used in which 1 mol/l of lithium perchlorate was dissolved in a solvent in which propylene carbonate and 1.2 dimethoxyethane were mixed at a volume ratio of 1:1.
尚、比較のために第１表の人に示すように、硫化モリブ
デンを含まない組成の正極を用い、他は同じように組み
立てた電池を従来例とした。For comparison, as shown in Table 1, a battery was used as a conventional example, using a positive electrode having a composition that did not contain molybdenum sulfide, and otherwise assembled in the same manner.
前記Ａ−Ｆの各種正極を用いて組み立てた非水電解液電
池を、２０°Ｃにおいて３０にΩの定抵抗放電を行ない
、放電初期の端子電圧の落ち込み、および放電端子電圧
の平坦性を調べた。その結果を第３図、第２図に示す。Non-aqueous electrolyte batteries assembled using various positive electrodes of A-F were subjected to constant resistance discharge of 30Ω at 20°C, and the drop in terminal voltage at the initial stage of discharge and the flatness of discharge terminal voltage were examined. Ta. The results are shown in FIGS. 3 and 2.
これらの図から明らかなように、酸化第二鋼と硫化モリ
ブデンとの混合物を活物質とした正極を用いた非水電解
ｇ電池は、放電初期の端子電圧の落ち込みが軽減されて
いるで。As is clear from these figures, non-aqueous electrolytic G batteries that use a positive electrode made of a mixture of oxidized steel and molybdenum sulfide have a reduced drop in terminal voltage at the beginning of discharge.
とがわかる。I understand.
一般に、放電初期の端子電圧の落ち込みを軽減するため
に、酸化第二鋼よυも放電電圧の扁い活物質、例えば酸
化ビスマス、酸化アンチモンなどを混合することが知ら
れているが、このような場合、まず放電電圧の高い酸化
ビスマスなどの放電と思われる第一段目の放電が起こり
、続いて酸化第二鋼の放電と思われる第二段目の放電が
起こるといった二段階の放電曲線を示す。In general, it is known to mix an active material with a discharge voltage lower than that of second oxide steel, such as bismuth oxide or antimony oxide, in order to reduce the drop in terminal voltage at the initial stage of discharge. In this case, a two-stage discharge curve occurs: first a first stage discharge occurs, which is thought to be a discharge from bismuth oxide with a high discharge voltage, followed by a second stage discharge, which seems to be a discharge from secondary oxidized steel. shows.
しかし、酸化第二銅と硫化モリブデンとの混合物を用い
た場合には、このような二段階の放電曲線は示さず、第
２図のよう表平坦性にすぐれた放電曲線を示す。However, when a mixture of cupric oxide and molybdenum sulfide is used, such a two-stage discharge curve is not shown, but a discharge curve with excellent surface flatness as shown in FIG. 2 is shown.
第１表
〔発明の効果〕
以上のように、本発明による酸化第二銅と硫化モリブデ
ンとの混合活物質を正極に用いた非水電解液電池は、放
電初期における端子電圧の落ち込みを軽減させ、放電端
子電圧の平坦性に優れたものである。Table 1 [Effects of the Invention] As described above, the non-aqueous electrolyte battery using the mixed active material of cupric oxide and molybdenum sulfide according to the present invention as a positive electrode can reduce the drop in terminal voltage at the early stage of discharge. , excellent flatness of discharge terminal voltage.
第１図は本発明の実施例におけるボタン型非水電解液１
！池の断面図である。第２図は第１表による各正極油物
質を用いた電池の放電曲線を示す。
第３図は酸化第二鋼と硫化モリブデンとの混合比を変え
た正極と放電初期における電圧の落ち込み最低値との関
係を示す図である。
３・・・負極 ４ セパレータ５・・・正極Figure 1 shows a button-type non-aqueous electrolyte 1 in an embodiment of the present invention.
! It is a sectional view of a pond. FIG. 2 shows discharge curves of batteries using each positive electrode oil material according to Table 1. FIG. 3 is a diagram showing the relationship between positive electrodes with different mixing ratios of second oxidized steel and molybdenum sulfide and the lowest voltage drop at the initial stage of discharge. 3... Negative electrode 4 Separator 5... Positive electrode
Claims (1)
非水電解液電池において、酸化第二鋼と硫化モリブデン
との混合物を主活物質とする正極を備えた非水電解液電
池。A nonaqueous electrolyte battery that uses a negative electrode that uses a light metal as an active material and a positive electrode that uses a mixture of second steel oxide and molybdenum sulfide as its main active material, in which a nonaqueous solvent is used as an electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61110931A JPS62271350A (en) | 1986-05-16 | 1986-05-16 | Nonaqueous electrolytic solution battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61110931A JPS62271350A (en) | 1986-05-16 | 1986-05-16 | Nonaqueous electrolytic solution battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62271350A true JPS62271350A (en) | 1987-11-25 |
Family
ID=14548231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61110931A Pending JPS62271350A (en) | 1986-05-16 | 1986-05-16 | Nonaqueous electrolytic solution battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62271350A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01286253A (en) * | 1988-05-12 | 1989-11-17 | Sanyo Electric Co Ltd | Nonaqueous electrolytic battery |
| CN109671949A (en) * | 2018-12-12 | 2019-04-23 | 福建翔丰华新能源材料有限公司 | A kind of MXene base flexible compound negative electrode material and preparation method thereof |
-
1986
- 1986-05-16 JP JP61110931A patent/JPS62271350A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01286253A (en) * | 1988-05-12 | 1989-11-17 | Sanyo Electric Co Ltd | Nonaqueous electrolytic battery |
| CN109671949A (en) * | 2018-12-12 | 2019-04-23 | 福建翔丰华新能源材料有限公司 | A kind of MXene base flexible compound negative electrode material and preparation method thereof |
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