JP3183922B2 - Battery activator - Google Patents
Battery activatorInfo
- Publication number
- JP3183922B2 JP3183922B2 JP30693791A JP30693791A JP3183922B2 JP 3183922 B2 JP3183922 B2 JP 3183922B2 JP 30693791 A JP30693791 A JP 30693791A JP 30693791 A JP30693791 A JP 30693791A JP 3183922 B2 JP3183922 B2 JP 3183922B2
- Authority
- JP
- Japan
- Prior art keywords
- battery
- activator
- discharge
- electrode plate
- electrolyte
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/08—Selection of materials as electrolytes
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明はバッテリ―の活性及び
消耗したバッテリ―の回復に使用するバッテリ―活性剤
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery activator for use in reactivating a battery and recovering a depleted battery.
【０００２】[0002]
【従来の技術】自動車にバッテリ―が使用されて以来、
一貫して鉛蓄電池が使用されて来ている。この鉛蓄電池
の構造は基本的には正極板（二酸化鉛）と負極板（鉛）
と希硫酸電解液、隔離材及びハウジングで構成されてい
る。2. Description of the Related Art Since batteries have been used in automobiles,
Lead-acid batteries have been used throughout. The structure of this lead-acid battery is basically a positive plate (lead dioxide) and a negative plate (lead)
And a dilute sulfuric acid electrolyte, a separator and a housing.
【０００３】このバッテリ―は経験上１年以上経過する
と劣化してライトが多少暗くなったり、スタ―タが掛け
難くなることがある。このバッテリ―を劣化から回復さ
せるバッテリ―活性又は回復剤が市販されているが、効
果は必ずしも満足すべきものがない。[0003] Experience has shown that this battery deteriorates after one year or more, so that the light may be slightly darkened or it may be difficult to start the battery. Battery activity or rejuvenating agents are available on the market to recover this battery from deterioration, but the effect is not always satisfactory.
【０００４】[0004]
【発明が解決しようとする課題】この発明者の研究によ
れば、バッテリ―の劣化はほとんど極板の劣化によって
起きる。即ち、極板の汚れ、サルフェ―ション、発生し
た水素ガスの極板への付着、極板の脱落等により、自己
放電、電位低下、充電不良を起こし遂には使用不能にな
る。従来よりバッテリ―の劣化防止剤として種々の物質
が考えられて来たが、未だ、満足すべきものを得るに至
っていない。According to the study of the present inventors, battery deterioration is almost always caused by electrode plate deterioration. That is, self-discharge, potential drop, and charging failure occur due to contamination of the electrode plate, sulfation, adhesion of generated hydrogen gas to the electrode plate, dropping of the electrode plate, and the like, and eventually become unusable. Conventionally, various substances have been considered as battery deterioration preventive agents, but no satisfactory substances have yet been obtained.
【０００５】この発明は上記の如き事情に鑑みてなされ
たものであって、バッテリ―の活性、劣化回復が容易か
つ確実なバッテリ―活性剤を提供することを目的とする
ものである。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a battery activator which can easily and surely activate and recover from deterioration of a battery.
【０００６】[0006]
【課題を解決するための手段】この目的に対応して、こ
の発明のバッテリー活性剤は、バッテリー電解液中に注
入するバッテリー活性剤であって、パーフルオロアルキ
ルスルホン酸塩（Ｃ8）（Ｃ8 ）は構造中の炭素原子
数）とイオン交換水と硫酸とを重量比で（１〜１０）：
（１０００）：（１〜１００）含み、かつシリコーン系
消泡剤を前記パーフルオロアルキルスルホン酸塩（Ｃ8
）と同量乃至５倍含有させてなることを特徴としてい
る。SUMMARY OF THE INVENTION In response to this object, the battery activator of the present invention is injected into a battery electrolyte.
The perfluoroalkylsulfonate (C8) (C8) is a carbon atom in the structure
Number) , ion-exchanged water and sulfuric acid in a weight ratio (1 to 10):
(1000) :( 1 to 100) only contains, and silicone-based
The defoaming agent is replaced with the above perfluoroalkyl sulfonate (C8
) Is contained in the same amount to 5 times .
【０００７】[0007]
【作用】この発明のバッテリ―活性剤をバッテリ―電解
液中に注入する。バッテリ―活性剤は電解液の親和性を
増加させ、電解液が電極の硫酸鉛の結晶に密着して親和
し、電極のサルフェ―ション現象が取り除かれ、電極は
正常な状態にもどり、バッテリ―の劣化が回復する。The battery activator of the present invention is injected into the battery electrolyte. The battery activator increases the affinity of the electrolyte, the electrolyte closely adheres to the lead sulfate crystals of the electrode, eliminates the electrode sulfation phenomenon, returns the electrode to a normal state, and returns to the battery. The deterioration of is recovered.
【０００８】[0008]
【実施例】この発明のバッテリ―活性剤はパ―フルオロ
アルキルスルホン酸塩（Ｃ8 ）とイオン交換水と硫酸と
を重量比で（１〜１０）：（１０００）：（１〜１０
０）の割合で含んでいる。パ―フルオロアルキルスルホ
ン酸塩（Ｃ8 ）はバッテリ―の電解液に投入して使用す
る場合、電解液中の濃度として０．００２〜１％、望ま
しくは０．００３〜０．０３％になるように使用する。
パ―フルオロアルキルスルホン酸塩（Ｃ8）が多すぎる
と電解液中での分解生成物による悪臭が認められる。DESCRIPTION OF THE PREFERRED EMBODIMENTS The battery activator of the present invention comprises a perfluoroalkyl sulfonate (C8), ion exchanged water and sulfuric acid in a weight ratio of (1-10) :( 1000) :( 1-10).
0). When the perfluoroalkyl sulfonate (C8) is used by being charged into the electrolyte of a battery, the concentration in the electrolyte should be 0.002 to 1%, preferably 0.003 to 0.03%. Used for
If the amount of perfluoroalkyl sulfonate (C8) is too large, an odor due to decomposition products in the electrolytic solution is recognized.
【０００９】このようなパ―フルオロアルキルスルホン
酸塩（Ｃ8 ）としては、例えば市販品としては、メガフ
ァックＦ１１６（商標）（大日本インキ化学株式会社
製）を使用することができる。As such a perfluoroalkyl sulfonate (C8), for example, as a commercial product, Megafac F116 (trademark) (manufactured by Dainippon Ink and Chemicals, Inc.) can be used.
【００１０】硫酸はバッテリ―活性剤の保管中に、バッ
テリ―活性剤が腐敗することを防止するために使用する
ものであり、硫酸の量は限定しないが取扱い上の危険性
から、腐敗防止効果がある範囲で少ない方が望ましい。[0010] Sulfuric acid is used to prevent the battery activator from spoiling during storage of the battery activator. The amount of sulfuric acid is not limited, but the risk of handling is not limited. It is desirable that the number is small within a certain range.
【００１１】バッテリ―活性剤を電解液に投入して、充
電する時には気泡の発生があるため、シリコ―ン系の消
泡剤（例えばＦＳアンチフォ―ム８０…自己乳化型シリ
コ―ン系消泡用コンパウンド−ダウコ―ニング株式会
社）を添加して、泡立ちを抑えることができる。この場
合の消泡剤の量としては、メガファックＦ１１６の量と
同量〜５倍が望ましい。多すぎると消泡剤の分解生成物
による悪臭及び分解生成物の極板への付着による悪影響
が認められる。When a battery activator is charged into an electrolytic solution and charged, bubbles are generated. Therefore, a silicone-based defoaming agent (for example, FS antiform 80... Self-emulsifying silicone-based defoaming) is used. (Dow Corning Co., Ltd.) can be added to suppress foaming. In this case, the amount of the antifoaming agent is desirably the same amount to 5 times the amount of Megafac F116. If the amount is too large, an odor due to the decomposition product of the defoamer and an adverse effect due to the adhesion of the decomposition product to the electrode plate are recognized.
【００１２】以上の組成のバッテリ―活性剤をバッテリ
―電解液中に注入する。バッテリ―活性剤は電解液の親
和性を増加させ、電解液が電極の硫酸鉛の結晶に密着し
て親和し、電極のサルフェ―ション現象が取り除かれ、
電極は正常な状態にもどり、バッテリ―の劣化が回復す
る。A battery activator of the above composition is injected into a battery electrolyte. The battery activator increases the affinity of the electrolyte, the electrolyte closely adheres to the lead sulfate crystals of the electrode, eliminating the electrode sulfation phenomenon,
The electrodes return to a normal state, and the deterioration of the battery is restored.
【００１３】（実験例）バッテリ―の充電放電試験 実験例Ａ 充電器とバッテリ―と負荷を図１のように接続し、室温
にて充放電を行った。 充電器 セルスタ―４５ ＭＯＤＥＬ ＳＢ−７００（セルスタ―工業 ） 抵抗 ＲＷＨ１０Ｇ２０ΩＪを６個並列に接続 Ａメ―タ― ＲＭ−５２ ＣＬＡＳＳ・２．５ １０Ａ Ｖメ―タ― ＲＭ−５２ ＣＬＡＳＳ・２．５ ３０Ｖ バッテリ― 新品及び廃棄されたバッテリ―の電解液の液量を２５Ｖｏｌ％ 希硫酸で調整し、放電、充電、放電を行い１２時間以上放置し たものを使用。(Experimental Example) Battery Charge / Discharge Test Experimental Example A A charger, a battery, and a load were connected as shown in FIG. 1 and charged and discharged at room temperature. Battery charger Cellstar-45 MODEL SB-700 (Cellstar Industrial) Resistance 6 RWH10G20ΩJ connected in parallel A-meter RM-52 CLASS · 2.5 10A V-meter RM-52 CLASS · 2.5 30V Batteries Adjust the electrolyte volume of new and discarded batteries with 25 Vol% diluted sulfuric acid, discharge, charge, discharge, and leave for 12 hours or more.
【００１４】測定 １時間毎に電圧、電流、電解液の屈折率（比重）、液温
及び室温を測定しながら、屈折率がほぼ一定に達するま
で充電を行い、充電後１２時間以上放置し、同様に放電
を行った。同じバッテリ―の各セルにバッテリ―活性剤
を８ｍｌ／セルを注入し、同様の操作を行った。なお、
屈折率は２５℃の値を示した。Measurement: While measuring the voltage, current, electrolyte refractive index (specific gravity), solution temperature and room temperature every hour, charge until the refractive index becomes almost constant, and leave for 12 hours or more after charging. Similarly, discharge was performed. The same operation was performed by injecting 8 ml / cell of the battery activator into each cell of the same battery. In addition,
The refractive index showed a value of 25 ° C.
【００１５】結果 図２に示すように、新品バッテリ―の場合、極板の劣化
がほとんどない為、バッテリ―活性剤の添加、無添加共
に最初の６時間までは著しい差はみられない。しかし、
充電が進行して極板が活性化した６時間目頃から添加し
た方が電気分解が急速に促進された。これは発生したガ
スが極板から速く離脱するためである（ＳＧの曲線参
照）。 充電時間 添加 ８Ｈｒ 無添加 ９Ｈｒ 約１１％の充電時間短縮Results As shown in FIG. 2, in the case of a new battery, since there is almost no deterioration of the electrode plate, there is no significant difference between the addition and non-addition of the battery activator until the first 6 hours. But,
Electrolysis was promoted more rapidly when added from about 6 hours when the charging was advanced and the electrode plate was activated. This is because the generated gas is quickly released from the electrode plate (see the curve of SG). Charge time Addition 8Hr No addition 9Hr About 11% reduction of charge time
【００１６】図３に示すように、中古バッテリ―の場
合、極板が劣化し、内部抵抗が大きくなっている。バッ
テリ―活性剤を添加した方は、極板の有効面積が増加
し、電流が流れ易くなっている（Ａ曲線参照）。３時間
目頃から添加した方は電気分解が急速に促進され、最終
的には充電時間で２時間の差を生じた（ＳＧ曲線参
照）。 充電時間 添加 ７Ｈｒ 無添加 ９Ｈｒ 約２２％の充電時間短縮As shown in FIG. 3, in the case of a used battery, the electrode plates have deteriorated and the internal resistance has increased. When the battery activator is added, the effective area of the electrode plate increases, and the current easily flows (see the curve A). The electrolysis was rapidly accelerated when the addition was started from about the third hour, and finally a difference of two hours occurred in the charging time (see the SG curve). Charging time Addition 7Hr No addition 9Hr Reducing charging time by about 22%
【００１７】図４は図２で充電したバッテリ―を放電し
た図である。バッテリ―活性剤を添加した方は電圧、屈
折率（比重）共に高く、電気容量が増加している。従っ
て、添加した方は放電時間も長くなっている（Ｖ曲線参
照）。 放電時間 添加 ６．７Ｈｒ 無添加 ６ Ｈｒ 約１２％の放電時間延長FIG. 4 is a view showing a state where the battery charged in FIG. 2 is discharged. When the battery activator is added, both the voltage and the refractive index (specific gravity) are higher, and the electric capacity is increased. Therefore, the added one has a longer discharge time (see V curve). Discharge time addition 6.7Hr No addition 6Hr Discharge time extension of about 12%
【００１８】図５は図３で充電したバッテリ―を放電し
た図である。バッテリ―活性剤を添加した方は電圧、屈
折率（比重）共に高く、電気容量が増加している。従っ
て、添加した方は放電時間も長くなっている（Ｖ曲線参
照）。 放電時間 添加 ５Ｈｒ 無添加 ４Ｈｒ 約２５％の放電時間延長FIG. 5 is a view showing a state where the battery charged in FIG. 3 is discharged. When the battery activator is added, both the voltage and the refractive index (specific gravity) are higher, and the electric capacity is increased. Therefore, the added one has a longer discharge time (see V curve). Discharge time Addition 5Hr No addition 4Hr Discharge time extension of about 25%
【００１９】評価 （１）新品バッテリ―、中古バッテリ―共に効果が認め
られるが、中古バッテリ―の方がより有効である。 新品バッテリ― １１〜１２％ 中古バッテリ― ２２〜２５％ 上記程度の向上が認められる。 （２）バッテリ―活性剤の特性である次の点が明確にな
った。 極板の有効面積を増加させる。（図３参照） 極板からガスの離脱を容易にする。（図２参照） （３）中古バッテリ―の電気容量は新品の６７％程度で
あったが、バッテリ―活性剤の添加で８３％程度まで回
復し、使用可能になる。 以上のように新品バッテリ―に使用した場合、充放電が
スム―ズになり、バッテリ―自体の劣化防止になる。ま
た中古バッテリ―の場合、バッテリ―の回復により、使
用期間の大幅延長が可能になる。Evaluation (1) Both new and used batteries are effective, but used batteries are more effective. New battery 11-12% Used battery 22-25% The above improvement is recognized. (2) The following points, which are characteristics of the battery-activator, have been clarified. Increase the effective area of the electrode plate. (See FIG. 3) The gas is easily released from the electrode plate. (See FIG. 2) (3) The electric capacity of the used battery was about 67% of that of a new battery, but it can be recovered to about 83% by adding a battery activator, and the battery can be used. As described above, when the battery is used for a new battery, charging and discharging become smooth, and the battery itself is prevented from being deteriorated. Also, in the case of used batteries, recovery of the batteries can greatly extend the period of use.
【００２０】実験例Ｂ 図１に示す測定装置を使用して廃棄されたバッテリ―の
一方にバッテリ―活性剤を投入し、他方は無添加の状態
で充放電を行い、充電時間、放電時間がどのような変化
するか調査した。Experimental Example B A battery activator was charged into one of the discarded batteries using the measuring device shown in FIG. 1, and the other was charged and discharged in a state where no battery was added. We investigated how it would change.
【００２１】 測定装置 充電器 セルスタ―４５ ＭＯＤＥＬ ＳＢ−７００（セルスタ―工業 ） 抵抗 ＲＷＨ１０Ｇ２０ΩＪを６個並列に接続 Ａメ―タ― ＲＭ−５２ ＣＬＡＳＳ・２．５ １０Ａ Ｖメ―タ― ＲＭ−５２ ＣＬＡＳＳ・２．５ ３０Ｖ バッテリ― 廃棄されたバッテリ―（３６Ｂ２０Ｌ）の電解液量を２５Ｖｏ ｌ％希硫酸で調整し、２台共、バッテリ―活性剤無添加の状態 で充電、放電を行い１２時間以上放置したものを使用した。な お、充電前のバッテリ―電圧は無負荷状態で３．５Ｖ及び４． ８Ｖであった。 回路の構成は図１に示したものと同じである。Measuring device Charger Cellstar 45 MODEL SB-700 (Cellstar Industrial) Resistance 6 RWH10G20ΩJ connected in parallel A-meter RM-52 CLASS-2.5 10A V-meter RM-52 CLASS・ 2.5 30V battery-Adjust the electrolyte volume of the discarded battery (36B20L) with 25Vol% diluted sulfuric acid, and charge and discharge both batteries without battery activator for 12 hours The one that was left was used. The battery voltage before charging was 3.5 V and 4. It was 8V. The configuration of the circuit is the same as that shown in FIG.
【００２２】測定方法 図６に示すように、初期電圧３．５Ｖのバッテリ―をＮ
ｏ．１、同じく４．８Ｖの方をＮｏ．２とし、Ｎｏ．１
の各セルにバッテリ―活性剤を８ｍｌ／セル注入した。 充電時間…充電中の電圧が１４．５Ｖに達するまでの時
間とした。 放電時間…放電中の電圧が１０．５Ｖに達するまでの時
間とした。 室温で充放電を行い、充放電時間を測定した。同じ操作
（バッテリ―活性剤の注入は初回のみ）を１０回繰返
し、充放電時間の変化を測定した。測定結果を下記の表
１に示す。Measurement Method As shown in FIG. 6, a battery having an initial voltage of 3.5 V
o. No. 1 and 4.8 V are no. 2 and No. 1
Of each cell was injected with 8 ml / cell of the battery activator. Charging time: The time required for the voltage during charging to reach 14.5 V. Discharge time: The time required for the voltage during discharge to reach 10.5 V. Charge / discharge was performed at room temperature, and the charge / discharge time was measured. The same operation (the first injection of the battery activator) was repeated 10 times, and the change in charge / discharge time was measured. The measurement results are shown in Table 1 below.
【００２３】[0023]
【表１】 [Table 1]
【００２４】評価 図７に示すように Ｎｏ．１…充放電を繰返すことにより、サルフェ―ショ
ンが徐々に無くなり極板が活性化され、極板の有効面積
が増加している。従って、充電時間の短縮、放電時間の
延長が達成され、使用可能な状態までに回復している。 Ｎｏ．２…極板上にサルフェ―ション部分と活性部分が
あり、極板表面が不均一になっている。充放電によりこ
の状態が解消されないため、極板の一部で過充放電が起
り、増々極板の劣化が進行している。Evaluation As shown in FIG. 1. By repeating charge and discharge, the sulfation gradually disappears, the electrode plate is activated, and the effective area of the electrode plate is increased. Therefore, the charging time is shortened and the discharging time is extended, and the battery is restored to a usable state. No. 2: There are a sulfation part and an active part on the electrode plate, and the electrode surface is uneven. Since this state is not eliminated by charging and discharging, overcharging and discharging occur in a part of the electrode plate, and the deterioration of the electrode plate is further increasing.
【００２５】[0025]
【発明の効果】以上の説明から明らかなとおり、この発
明のバッテリ―活性剤によれば電解液の親和性を増加さ
せ、電解液が電極の硫酸鉛の結晶に密着し、サルフェ―
ション現象を消滅させることができる。これによりバッ
テリ―の活性、劣化回復を容易かつ確実に行うことがで
きる。As is apparent from the above description, according to the battery activator of the present invention, the affinity of the electrolytic solution is increased, and the electrolytic solution adheres to the lead sulfate crystals of the electrode, and
The phenomenon can be eliminated. This makes it possible to easily and reliably recover the activity and deterioration of the battery.
【図１】測定装置の回路図である。FIG. 1 is a circuit diagram of a measuring device.
【図２】新品バッテリ―の充電時間を示すグラフであ
る。FIG. 2 is a graph showing a charging time of a new battery.
【図３】中古バッテリ―の充電時間を示すグラフであ
る。FIG. 3 is a graph showing a charging time of a used battery.
【図４】新品バッテリ―の放電時間を示すグラフであ
る。FIG. 4 is a graph showing a discharge time of a new battery.
【図５】中古バッテリ―の放電時間を示すグラフであ
る。FIG. 5 is a graph showing a discharge time of a used battery.
【図６】充放電サイクルを示すグラフである。FIG. 6 is a graph showing a charge / discharge cycle.
【図７】充放電時間の変化を示すグラフである。FIG. 7 is a graph showing a change in charge / discharge time.
Claims (1)
ー活性剤であって、パーフルオロアルキルスルホン酸塩
（Ｃ8 ）（Ｃ8 ）は構造中の炭素原子数）とイオン交換
水と硫酸とを重量比で（１〜１０）：（１０００）：
（１〜１００）含み、かつシリコーン系消泡剤を前記パ
ーフルオロアルキルスルホン酸塩（Ｃ8 ）と同量乃至５
倍含有させてなることを特徴とするバッテリー活性剤。1. A battery to be injected into a battery electrolyte.
A chromatography activator, perfluoroalkyl sulfonate (C8) (C8) is the number of carbon atoms in the structure) and the sulfate ion-exchanged water in a weight ratio (1 to 10) :( 1000):
(1 to 100) unrealized, and the path of a silicone-based anti-foaming agent
-Same amount to 5 as fluoroalkyl sulfonate (C8)
A battery activator characterized by being contained twice .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30693791A JP3183922B2 (en) | 1991-10-25 | 1991-10-25 | Battery activator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30693791A JP3183922B2 (en) | 1991-10-25 | 1991-10-25 | Battery activator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05121089A JPH05121089A (en) | 1993-05-18 |
| JP3183922B2 true JP3183922B2 (en) | 2001-07-09 |
Family
ID=17963077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30693791A Expired - Fee Related JP3183922B2 (en) | 1991-10-25 | 1991-10-25 | Battery activator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3183922B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3680517B2 (en) * | 1997-09-25 | 2005-08-10 | トヨタ自動車株式会社 | Method for recycling nickel-hydrogen battery |
| WO2001071834A2 (en) * | 2000-03-20 | 2001-09-27 | Fitter Johan C | Method and apparatus for achieving prolonged battery life |
| JP5532806B2 (en) * | 2009-09-30 | 2014-06-25 | 日産自動車株式会社 | Capacity recovery method for lithium ion secondary battery |
-
1991
- 1991-10-25 JP JP30693791A patent/JP3183922B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05121089A (en) | 1993-05-18 |
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