JPS63126166A - Lead storage battery - Google Patents
Lead storage batteryInfo
- Publication number
- JPS63126166A JPS63126166A JP61273244A JP27324486A JPS63126166A JP S63126166 A JPS63126166 A JP S63126166A JP 61273244 A JP61273244 A JP 61273244A JP 27324486 A JP27324486 A JP 27324486A JP S63126166 A JPS63126166 A JP S63126166A
- Authority
- JP
- Japan
- Prior art keywords
- lead
- active materials
- oxide
- positive electrode
- tio
- 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
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910000464 lead oxide Inorganic materials 0.000 claims abstract description 11
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 11
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 5
- 239000002253 acid Substances 0.000 claims description 9
- 239000011149 active material Substances 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 239000007774 positive electrode material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- YADSGOSSYOOKMP-UHFFFAOYSA-N lead dioxide Inorganic materials O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910002064 alloy oxide Inorganic materials 0.000 description 1
- 229910052924 anglesite Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007806 chemical reaction intermediate Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/56—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead
-
- 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)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は鉛蓄電池とりわけ、その正極活物質に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to lead-acid batteries, and in particular to positive electrode active materials thereof.
従来の技術
従来、鉛蓄電池は、高い経済性と取り扱いの手軽さから
、自動車のエンジン始動用をはじめ、ポータプル機器用
の電源として広く用いられている。BACKGROUND OF THE INVENTION Lead-acid batteries have been widely used as a power source for starting automobile engines and portable devices due to their high cost efficiency and ease of handling.
これらの正極活物質としては、純鉛の酸化物と純鉛の混
合物を水および希硫酸等で練り合せ、ペースト状にした
ものが主に用いられていた。また、活物質とりわけ正極
活物質の利用率向上のだめの種々の方法が検討されてい
る。As these positive electrode active materials, a paste made by kneading a mixture of pure lead oxide and pure lead with water, dilute sulfuric acid, etc. has been mainly used. In addition, various methods for improving the utilization rate of active materials, particularly positive electrode active materials, are being studied.
鉛蓄電池の活物質の理論エネルギー密度は１６７ ｗｈ
／に９ であるのに対し、従来の鉛蓄電池のエネルギー
密度は、３０〜４０ ｗ ｈ ／ Ｋ９ と小さく、
電池の小形化、高容量化、軽量化の要望が強まってきて
いる。The theoretical energy density of the active material of a lead-acid battery is 167 wh
/K9, whereas the energy density of conventional lead-acid batteries is as low as 30-40w h/K9.
There is an increasing demand for smaller batteries, higher capacity, and lighter weight.
発明が解決しようとする問題点
上記のようなエネルギー密度の比較的小さい鉛蓄電池に
おいて、電池の全重量に占める正負活物質量は、ｅＶｓ
Ａｈの電池で約４５％である。したがって、活物質の利
用率の向上をはかることによって、電池の軽量化をはか
ることができ、高エネルギー＠度の電池を得ることが可
能となる。Problems to be Solved by the Invention In a lead-acid battery with a relatively low energy density as described above, the amount of positive and negative active materials in the total weight of the battery is eVs
It is about 45% for an Ah battery. Therefore, by improving the utilization rate of the active material, it is possible to reduce the weight of the battery, and it is possible to obtain a battery with high energy.
鉛電池の放電反応において、正極では次のような反応機
構が提案されている。In the discharge reaction of lead batteries, the following reaction mechanism has been proposed for the positive electrode.
２ Ｐ ｂｏ ２ ＋ ２ ｅ →２ （Ｐ ｂ ０２
）−２（ＰｂＯ２） ＋４Ｈ＋−、ＰｂＯ２＋Ｐｂ
２＋十町○Ｐｂ２＋＋５Ｏ４−ＰｂＳＯ４
ここで、（Ｐｂ０２）−の生成が関与する不均一化反応
が律速であるとされている。これらの鉛の酸化物は、酸
素欠陥をともなう酸化物であり、これらの生成反応が反
応律速となっていると考えられている。これらの反応中
間体および反応生成物は、電子電導性が低く、放電時の
電流分布の点からも好ましいものではなかった。2 P bo 2 + 2 e →2 (P b 02
)-2(PbO2) +4H+-, PbO2+Pb
2+Tomachi○Pb2++5O4-PbSO4 Here, the heterogenization reaction involving the production of (Pb02)- is said to be rate-determining. These lead oxides are oxides with oxygen vacancies, and it is thought that the reaction rate of these formations is rate-determining. These reaction intermediates and reaction products had low electronic conductivity and were not preferable from the viewpoint of current distribution during discharge.
本発明は、以上の問題点を解決し、電子電導性に優れ、
利用率の高い活物質を提供し、優れた鉛蓄電池をもたら
すものである。The present invention solves the above problems, has excellent electronic conductivity,
It provides an active material with a high utilization rate, resulting in an excellent lead-acid battery.
問題点を解決するだめの手段
前記問題点の解決をはかるため、活物質として用いられ
る鉛酸化物に、酸化チタンまたは二酸化チタンを添加す
ることを特徴としたものである。Alternative Means for Solving the Problems In order to solve the above-mentioned problems, the present invention is characterized in that titanium oxide or titanium dioxide is added to the lead oxide used as the active material.
作 用
活物質として用いる鉛酸化物に、酸化チタンまたは二酸
化チタンを添加することにより、正極の放電反応を促進
することが可能となり、活物質の利用率を向上させるこ
とができる。Function By adding titanium oxide or titanium dioxide to the lead oxide used as the active material, it becomes possible to promote the discharge reaction of the positive electrode, and the utilization rate of the active material can be improved.
実施例 以下、本発明の実施例について説明する。Example Examples of the present invention will be described below.
正極板として、Ｐｂ−Ｃａ−３ｎ合金よりなる格子に酸
化鉛、水、希硫酸を練り合せ、添加剤として酸化チタン
（ＴｉＯ）または二酸化チタン（ＴｉＯ２）を酸化鉛に
対し種々の重量比で加え、ペースト状としたものを充填
し、化成した厚さ３゜５ ｆｌ 、長さ５０ｆｌ、幅２
０ ｔｒｙＯものを用意した。負極板としてはＰｂ−Ｃ
ａ合金よりなる格子に酸化鉛、水、希硫酸、硫酸バリウ
ム、有機繊維等を練り合せたペーストを充填し、化成し
た厚さ１．６ｇ＋５長さら。As a positive electrode plate, lead oxide, water, and dilute sulfuric acid were kneaded in a lattice made of Pb-Ca-3n alloy, and titanium oxide (TiO) or titanium dioxide (TiO2) was added as an additive in various weight ratios to lead oxide. , filled with a paste and chemically formed, thickness 3゜5 fl, length 50 fl, width 2
0 tryO items were prepared. Pb-C as the negative electrode plate
A lattice made of A-alloy is filled with a paste made by kneading lead oxide, water, dilute sulfuric acid, barium sulfate, organic fibers, etc., and is chemically formed to a thickness of 1.6 g + 5 lengths.
ｎ１幅２０ ｔｒｘＯものを用意し、それぞれ２枚と３
枚を組み合せ、極板間には微細なガラス繊維からなるマ
ット状セパレータを挿入し、電解液には比重１．３０の
希硫酸を用いた。これらの電池の０．２５ ＣＡ放電時
の放電時間を表に示す。Prepare n1 width 20 trxO, 2 pieces and 3 pieces respectively.
A mat separator made of fine glass fibers was inserted between the electrode plates, and dilute sulfuric acid with a specific gravity of 1.30 was used as the electrolyte. The table shows the discharge time of these batteries at 0.25 CA discharge.
ＴｉＯの添加量がｒｓｗｔ：／、を越えると、添加の効
果は失なわれ、著しく容量が低下し、添加効果はみられ
なかった。When the amount of TiO added exceeds rswt:/, the effect of the addition was lost, the capacity decreased significantly, and no effect of the addition was observed.
発明の効果
本発明は、以上のように、正極活物質にＴｉＯまたはＴ
ｉＯ２を添加することでエネルギー密度を高め、小形軽
量の鉛蓄電池を提供するものである。Effects of the Invention As described above, the present invention provides a positive electrode active material containing TiO or T.
Adding iO2 increases energy density and provides a small and lightweight lead-acid battery.
Claims (2)
タン（ＴｉＯ＿２）を添加したことを特徴とする鉛蓄電
池。(1) A lead-acid battery characterized by adding titanium oxide (TiO) or titanium dioxide (TiO_2) to lead oxide.
物量に対し、その０．３〜５重量パーセントであること
を特徴とする特許請求の範囲第１項記載の鉛蓄電池。(2) The lead-acid battery according to claim 1, wherein the amount of titanium oxide or titanium dioxide added is 0.3 to 5 percent by weight based on the amount of lead oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61273244A JPS63126166A (en) | 1986-11-17 | 1986-11-17 | Lead storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61273244A JPS63126166A (en) | 1986-11-17 | 1986-11-17 | Lead storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63126166A true JPS63126166A (en) | 1988-05-30 |
Family
ID=17525131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61273244A Pending JPS63126166A (en) | 1986-11-17 | 1986-11-17 | Lead storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63126166A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991006985A1 (en) * | 1989-10-24 | 1991-05-16 | Globe-Union Inc. | Electrodes containing conductive metal oxides |
-
1986
- 1986-11-17 JP JP61273244A patent/JPS63126166A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991006985A1 (en) * | 1989-10-24 | 1991-05-16 | Globe-Union Inc. | Electrodes containing conductive metal oxides |
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