JPH01190224A - Charger - Google Patents
ChargerInfo
- Publication number
- JPH01190224A JPH01190224A JP63015491A JP1549188A JPH01190224A JP H01190224 A JPH01190224 A JP H01190224A JP 63015491 A JP63015491 A JP 63015491A JP 1549188 A JP1549188 A JP 1549188A JP H01190224 A JPH01190224 A JP H01190224A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- circuit
- batteries
- charging
- switching
- 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
- 238000001514 detection method Methods 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 11
- 230000006866 deterioration Effects 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- 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
- Charge And Discharge Circuits For Batteries Or The Like (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、充電可能な２次電池を充電する充電器に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a charger for charging a rechargeable secondary battery.
一般に、充電器を用いて充電可能な２次電池（以下、単
に電池という）を充電する場合、電池の残容聞を正確に
把握し難いため、電池容量が未だ残っている状態で充電
を繰り返すことが多い。Generally, when charging a rechargeable secondary battery (hereinafter simply referred to as a battery) using a charger, it is difficult to accurately determine the remaining capacity of the battery, so charging is repeated while the battery still has capacity remaining. There are many things.
ところが、このように電池容量を残したままで充電を繰
り返すと、電池を劣化し易く、そのため、電池の繰り返
し充電の可能な回数が減少するという現粂が起き、ひい
ては良好な充電が行えなくなるという問題があった。However, if the battery is repeatedly charged with remaining battery capacity, the battery tends to deteriorate, which reduces the number of times the battery can be repeatedly charged, which in turn makes it impossible to charge the battery properly. was there.
本発明は、２本以上（複数）の電池を交互に使用し、電
池容量がほぼ０％になった電池を充電し得るようにした
ことにより、電池の劣化を防ぎ、良好な充電が行える充
電器を提供することを目的としている。The present invention prevents battery deterioration and enables good charging by alternately using two or more batteries and making it possible to charge a battery whose battery capacity is almost 0%. The purpose is to provide equipment.
前記目的を達成するために、本発明は、複数の ゛充
電可能な電池と、これらの電池を充電する充電回路と、
充電する電池を切り換える充電切換回路と、放電する電
池を切り換える放電切換回路と、前記複数の電池の各端
ｆ同電圧を検出する電池電圧検出回路と、前記電池電圧
検出回路による検出値に基づいて前記充電切換回路と放
電切換回路と充電回路とを制御する制御回路とからなる
充電器であって、前記制御回路は、前記ｔＩｉ電切換回
路を切り換えて前記複数の電池を交互に使用し、電池容
部がほぼ０％になった電池を前記充電切換回路を９ノリ
換えて充電するようにイリ御するものである。To achieve the above object, the present invention comprises a plurality of rechargeable batteries, a charging circuit for charging these batteries,
a charging switching circuit for switching batteries to be charged; a discharging switching circuit for switching batteries to be discharged; a battery voltage detection circuit for detecting the same voltage at each end of the plurality of batteries; The charger includes a control circuit that controls the charging switching circuit, the discharging switching circuit, and the charging circuit, the control circuit switching the tIi power switching circuit to alternately use the plurality of batteries, The charge switching circuit is switched 9 times to control the charging of a battery whose capacity is almost 0%.
（作用）
前記構成の充電器によれば、複数の電池が交互に使用さ
れ、また、電池容量がほぼ０％になった電池が充電され
るので、電池容部の残っていない状態でしって充電を繰
り返すことができ、的確な充゛市を行うことができる。(Function) According to the charger configured as described above, a plurality of batteries are used alternately, and a battery whose battery capacity is almost 0% is charged, so it is possible to charge the battery with no remaining battery capacity. It is possible to repeatedly charge the battery and perform accurate charging.
第１図は本発明の一実施例の構成を示す。同図において
、１は後述の充電切換回路４を介して電池２．３ （Ｉ
池２．３の片方のみ、あるいは両方）を充電する充電回
路である。４は充電する電池２゜３を切り換える充電切
換回路である。５は電池２゜３の各端子間電圧を検出し
、この電圧検出値を出力する電池電圧検出回路である。FIG. 1 shows the configuration of an embodiment of the present invention. In the figure, a battery 2.3 (I
This is a charging circuit that charges only one or both of the batteries 2 and 3. Reference numeral 4 denotes a charging switching circuit that switches between the batteries 2 and 3 to be charged. Reference numeral 5 denotes a battery voltage detection circuit that detects the voltage between each terminal of the batteries 2 and 3 and outputs the detected voltage value.
６は使用（放電）する電池２，３を切り換え、電池２あ
るいは電池３を負荷７に接続する／ｉ５［電切換回路で
ある。８は制御回路で、電池電圧検出回路５がら出力さ
れた電池２．３の各電圧検出値に基づいて充電切換回路
４と放電切換回路６とによる電池２．３の切り換えを制
御する制御信号を出力し、また、充電回路１を制御する
制御信号を出力するものである。6 is a power switching circuit that switches between the batteries 2 and 3 to be used (discharged) and connects the battery 2 or 3 to the load 7. Reference numeral 8 denotes a control circuit which generates control signals for controlling the switching of the batteries 2.3 by the charging switching circuit 4 and the discharging switching circuit 6 based on each voltage detection value of the batteries 2.3 outputted from the battery voltage detection circuit 5. It also outputs a control signal for controlling the charging circuit 1.
なお、本実施例では、電池を２本としたが電池を３本以
上としても同様に構成することができる。In this embodiment, two batteries are used, but the same configuration can be made using three or more batteries.
ここで、放電時および充電時における電池２゜３の切り
換え動作について説明する。Here, the switching operation of the battery 2.3 during discharging and charging will be explained.
まず、ｆｉ荷７を介して電池２．３をＩＩＩ電する場合
について説明する。制御回路８は、電池電圧検出回路５
から入力された電圧検出値を読み込み、電池２の電圧検
出値がＯｖ、すなわち、電池容部が０％でなければ、放
電切換回路６を切り換え電池２を放電させる。一方、電
池２の電池容量が０％で、かつ、電池３の電池容量が０
％でなければ、制御回路８は放電切換回路６を切り換え
電池３を放電させる。なお、放電の優先順位は電池２．
電池３の順としている。First, the case where the battery 2.3 is charged via the fi charge 7 will be described. The control circuit 8 includes the battery voltage detection circuit 5
The voltage detection value input from the battery 2 is read, and if the voltage detection value of the battery 2 is Ov, that is, the battery capacity is not 0%, the discharge switching circuit 6 is switched and the battery 2 is discharged. On the other hand, the battery capacity of battery 2 is 0%, and the battery capacity of battery 3 is 0%.
%, the control circuit 8 switches the discharge switching circuit 6 to discharge the battery 3. Note that the discharge priority is battery 2.
The order is battery 3.
次に、電池２．３を充電する場合について説明する。こ
の場合も、制御回路８は、電池電圧検出回路５から入力
された電圧検出値を読み込み、電池２．３の内のいずれ
か一方、あるいは両方の電池容がが０％のとき、その電
池容部の０％の電池（電池２．３の一方、あるいは両方
）を充電するように充電切換回路４を切り換え、充電回
路１は選択された電池容１ｊｉＯ％の電池を充電する。Next, the case of charging the battery 2.3 will be explained. In this case as well, the control circuit 8 reads the voltage detection value input from the battery voltage detection circuit 5, and when the battery capacity of one or both of the batteries 2, 3 is 0%, The charging switching circuit 4 is switched to charge the battery having a capacity of 0% (one or both of the batteries 2 and 3), and the charging circuit 1 charges the selected battery having a battery capacity of 1jiO%.
一方、電池２．３のいずれの電池容部も０％でないとき
、制御回路８は電池２．３が共に充電されないように充
電切換回路４の切り換えを制御する。On the other hand, when the battery capacity of any of the batteries 2.3 is not 0%, the control circuit 8 controls the switching of the charge switching circuit 4 so that the batteries 2.3 are not charged together.
次に、前記構成における充放電の状ｔ！！、遷移につい
て第２図を用いて詳細に説明する。Next, the state of charging and discharging in the above configuration t! ! , transition will be explained in detail using FIG.
まず、時点ｔａにおける電池２．３の電池容量が共に１
００％の状態からの放電モード１について説明する。こ
のモードでは、制御回路８に読み込まれる電池２，３の
電圧検出値は同電圧なので、＆ｌ１ｍ回路８から出力さ
れた制御信号でもって放電切換回路６は切り換えられ、
電池２が負荷７に接続される。そのため、電池２が負荷
７を介して放電され、電池２の電池容部は低下し、電池
３は放電されないので電池３の電池容部は１００％のま
まで移行する。したがって、各電池容部は第２図のａｌ
、ａ２に示すようになる。First, the battery capacities of batteries 2 and 3 at time ta are both 1
Discharge mode 1 from the 00% state will be explained. In this mode, the voltage detection values of the batteries 2 and 3 read into the control circuit 8 are the same voltage, so the discharge switching circuit 6 is switched by the control signal output from the &l1m circuit 8.
Battery 2 is connected to load 7 . Therefore, the battery 2 is discharged via the load 7, and the battery capacity of the battery 2 decreases, and the battery 3 is not discharged, so the battery capacity of the battery 3 remains at 100%. Therefore, each battery container is located at al in FIG.
, a2.
次に、時点ｔｂにおける電池２．３の電池容量が共に０
％でない状態（ここでは電池２．３の電池容量がそれぞ
れ５０％、１００％とする）からの充電モード１につい
て説明する。このｔ−ドでは、制御回路８に読み込まれ
る１ｉ池２．３の電圧検出値は共にＯｖでないので、制
御回路８は充電回路１を制御する制御信号を出力しない
。したがって、電池２．３は共に充電されない。そのた
め、電池２．３の容量はそれぞれ５０％、１００％のま
まで移行し、第２図のす、、ｂ２に示すようになる。Next, the battery capacities of batteries 2 and 3 at time tb are both 0.
% (here, the battery capacities of batteries 2 and 3 are assumed to be 50% and 100%, respectively), charging mode 1 will be described. In this t-mode, both of the voltage detection values of the 1i battery 2 and 3 read into the control circuit 8 are not Ov, so the control circuit 8 does not output a control signal for controlling the charging circuit 1. Therefore, both batteries 2 and 3 are not charged. Therefore, the capacities of the batteries 2 and 3 remain at 50% and 100%, respectively, as shown in FIG.
次に、時点ｔｃにおける電池２の電池容量が１００％以
下で（ここでは電池２の電池容ωを５０％とする）、電
池３の電池容量が１００％である状態からの放電モード
２について説明する。このモードでは、制御回路８に読
み込まれる電池２の電圧検出値がＯＶに到達するまで前
述と同じ放電上−ド１の動作を行う。つまり、電池２の
放電により電池２の電池容れ１は低下し、電７１！！３
はｔＩｌ電されないので電１！！３の電池容量は１００
％のままで移１−１シ、第２図の０１．ｃ２に示すよう
になる。Next, we will explain discharge mode 2 from a state where the battery capacity of battery 2 at time tc is 100% or less (here, the battery capacity ω of battery 2 is 50%) and the battery capacity of battery 3 is 100%. do. In this mode, the same operation of the upper discharge board 1 as described above is performed until the voltage detection value of the battery 2 read into the control circuit 8 reaches OV. In other words, due to the discharge of battery 2, the battery capacity 1 of battery 2 decreases, and the charge 71! ! 3
is not charged, so it is charged 1! ! The battery capacity of 3 is 100
Move to 1-1 with the same percentage as 01 in Figure 2. It becomes as shown in c2.
次に、時点［ｄにおける電池２の電池容量が０％、電池
３の電池容量が１００％である状態からの放電モード３
について説明する。このモードでは、制御回路８に読み
込まれる電池２の電圧検出値がＯＶなので、制御回路８
からの制御信号でもって放電切換回路６は切り換えられ
、電池３が角？南アに接続される。そのため、電池３の
放電により電池３の電池容量は低下し、電池２の電池容
量は０％のままで移行し、第２図のｄ、、ｄ２に示すよ
うになる。Next, discharge mode 3 is started from a state where the battery capacity of battery 2 at time [d is 0% and the battery capacity of battery 3 is 100%.
I will explain about it. In this mode, the voltage detection value of the battery 2 read into the control circuit 8 is OV, so the control circuit 8
The discharge switching circuit 6 is switched by a control signal from Connected to South Africa. Therefore, the battery capacity of battery 3 decreases due to discharge of battery 3, and the battery capacity of battery 2 remains at 0%, as shown in d and d2 of FIG. 2.
次に、時点ｔｅにおける電池２の電池容量が０％で、電
池３の電池容量が１００％以下（ここでは電池３の電池
容量を５０％とする）である状態からの充電モード２に
ついて説明する。このモードでは、制御回路８に読み込
まれる電池２の電圧検出値がＯＶで、一方、電池３の電
圧検出値がＯＶでないので、充電切換回路４が制御回路
８からの制御信号でもって切り換えられ、電池２は充電
回路１により充電され、電池２の電池容量は上界し、ま
た、電池３は充電されないので電池３の電池容量は５０
％のままで移行し、第２図のｅｌ。Next, charging mode 2 from a state where the battery capacity of battery 2 at time te is 0% and the battery capacity of battery 3 is 100% or less (here, the battery capacity of battery 3 is assumed to be 50%) will be explained. . In this mode, the voltage detection value of the battery 2 read into the control circuit 8 is OV, while the voltage detection value of the battery 3 is not OV, so the charging switching circuit 4 is switched by the control signal from the control circuit 8. Battery 2 is charged by charging circuit 1, and the battery capacity of battery 2 has an upper limit, and battery 3 is not charged, so the battery capacity of battery 3 is 50
Migrate as % and el in Figure 2.
ｅ２に示すようになる。It becomes as shown in e2.
次に、時点ｔｒにおける電池２の電池容量が１００％で
、電池３の電池容量が１００％以下（ここでは電池３の
電池容量を５０％とする）である状態からの放電モード
４について説明する。このモードでは、まず、前記放電
モード３で電池３が負荷７に接続された状態になってお
り、さらに、制御回路８に読み込まれた電池３の電圧検
出値がＯＶでないので、前記ａ電モード２と同様に、電
池３の放電により電池３の電池容量は低下し、電池２の
電池容量は１００％のままで移行し、第２図のｆ、、ｆ
２に示すようになる。Next, discharge mode 4 from a state where the battery capacity of battery 2 at time tr is 100% and the battery capacity of battery 3 is 100% or less (here, the battery capacity of battery 3 is assumed to be 50%) will be explained. . In this mode, first, the battery 3 is connected to the load 7 in the discharge mode 3, and furthermore, since the voltage detection value of the battery 3 read into the control circuit 8 is not OV, the battery 3 is in the a-power mode. 2, the battery capacity of battery 3 decreases due to discharge of battery 3, and the battery capacity of battery 2 remains at 100%, and the battery capacity of battery 2 changes to f, , f in Fig. 2.
2.
次に、時点ｔｑにおける電池２の電池容量が１００％で
、電池３の電池容量が０％である状態からの放電モード
５について説明する。このモードでは、制御回路８に読
み込まれる電池３の電圧検出噴がＯｖなので、制御回路
８からの制御信号でもって放電切換回路６が切り換えら
れ、電池２が＜４荷７に接続され、前記放電モード３と
同様に、電池２の放電により電池２の電池容量は低下し
、電池３の電池容量は０％のままで移行し、第２図の０
１．０２に示すようになる。Next, discharge mode 5 from a state where the battery capacity of battery 2 at time tq is 100% and the battery capacity of battery 3 is 0% will be described. In this mode, since the voltage detection jet of the battery 3 read into the control circuit 8 is Ov, the discharge switching circuit 6 is switched by the control signal from the control circuit 8, and the battery 2 is connected to the <4 load 7, and the discharge As in mode 3, the battery capacity of battery 2 decreases due to discharge of battery 2, and the battery capacity of battery 3 remains at 0%, and the battery capacity of battery 3 remains at 0%.
1.02.
次に、時点ｔｈにおける電池２の電池容量が１００％以
下で（ここでは電池２の電池容けを５０％とする）、電
池３の電池容量が０％である状態からの充電モード３に
ついて説明する。このモードでは、制御回路８に読み込
まれる電池３の電圧検出値が０■で、制御回路８に読み
込まれる電池２の電圧検出値がＯＶでないので、制御回
路８からの制御信号でもって充電切換回路４が切り換え
られ、前記充電上−ド２と同様に、電池３は充電回路１
により充電され、電池３の電池容ｌは上昇し、電ｉｔ！
！２の電池容量は５０％のままで移行し、第２図のｒｌ
、ｆ２に示すようになる。Next, we will explain charging mode 3 from a state where the battery capacity of battery 2 at time th is 100% or less (here, the battery capacity of battery 2 is assumed to be 50%) and the battery capacity of battery 3 is 0%. do. In this mode, the detected voltage value of the battery 3 read into the control circuit 8 is 0■, and the detected voltage value of the battery 2 read into the control circuit 8 is not OV, so a control signal from the control circuit 8 is used to control the charge switching circuit. 4 is switched, and like the charging top 2, the battery 3 is switched to the charging circuit 1.
The battery capacity l of battery 3 increases, and the electric power it!
! The battery capacity of 2 remains at 50% and the transition is made to rl in Fig. 2.
, f2.
時点ｔｉの状態からの放電モードは、前記放電モード２
と同様に行われ、各電池容量は第２図のｉｌ、ｉ２に示
すようになる。The discharge mode from the state at time ti is the discharge mode 2.
The battery capacity is as shown in il and i2 in FIG. 2.
時点ｔｊの状態からの放電モードは、電池３の電池容量
が０％になるまで、前記放電モード３と同様の動作が行
われ、各１池容噛は第２図のｊｌ。In the discharging mode from the state at time tj, the same operation as the discharging mode 3 is performed until the battery capacity of the battery 3 becomes 0%, and each battery capacity is set at jl in FIG.
ｊ２に示すようになる。It becomes as shown in j2.
次に、時点ｔｋにおける電池２，３の電池容量が共に０
％の状態からの放電モード４について説明する。このモ
ードでは、制御回路８に読み込まれる電池２，３の電圧
検出値が共にＯｖなので、制御回路８からの制御信号で
もって電池２．３の両方が充電回路１に接続されるよう
に充電切換回路４は切り換えられ、電池２．３の両方に
充電され、電池２，３の電池容量は共に上昇し、第２図
のｋｌ 、に２に示すようになる。Next, the battery capacities of batteries 2 and 3 at time tk are both 0.
Discharge mode 4 from the % state will be explained. In this mode, since the voltage detection values of batteries 2 and 3 read into the control circuit 8 are both Ov, charging is switched so that both batteries 2 and 3 are connected to the charging circuit 1 using a control signal from the control circuit 8. Circuit 4 is switched and both batteries 2.3 are charged, and the battery capacities of batteries 2 and 3 are increased together, as shown at kl 2 in FIG.
本発明は、充電可能な電池を複数個用い、電池を使用す
るときは交ηに使用し、充電するときは電池容量がほぼ
０％になった電池を充電するようにしたので、電池容量
が残っている状態で電池を繰り返し充電した場合の電池
の劣化を防止することができ、良好な充電を行うことが
できる。さらには、繰り返し充電可能な回数を増大する
ことができ、結果的に電池の寿命を延ばすことができる
。In the present invention, a plurality of rechargeable batteries are used, and when the batteries are used, they are used interchangeably, and when charging, the batteries whose battery capacity is almost 0% are charged, so that the battery capacity can be increased. It is possible to prevent the battery from deteriorating even if the battery is repeatedly charged in the remaining state, and it is possible to perform good charging. Furthermore, it is possible to increase the number of times that the battery can be repeatedly charged, and as a result, the life of the battery can be extended.
第１図は本発明の一実施例による充電器の１０ツク構成
図、第２図は本実施例構成による充放電動作の状態遷移
を示す図である。
１・・・充電回路、２．３・・・電池、４・・・充電切
換回路、５・・・電池電圧検出回路、６・・・放電切換
回路、８・・・制御回路。
特許出願人 松Ｆ電ｒ株式会社
代 理 人 弁理士 小書 悦司同
弁理士 長１） 正
向 弁理士 板書 東大
第 １ 図FIG. 1 is a 10-unit configuration diagram of a charger according to an embodiment of the present invention, and FIG. 2 is a diagram showing state transitions of charging and discharging operations according to the configuration of this embodiment. DESCRIPTION OF SYMBOLS 1...Charging circuit, 2.3...Battery, 4...Charging switching circuit, 5...Battery voltage detection circuit, 6...Discharge switching circuit, 8...Control circuit. Patent applicant: Matsu Fden Co., Ltd. Agent: Etsushi Kosho, patent attorney
Patent Attorney Chief 1) Masamukai Patent Attorney Blackboard University of Tokyo Diagram 1
Claims (1)
充電回路と、充電する電池を切り換える充電切換回路と
、放電する電池を切り換える放電切換回路と、前記複数
の電池の各端子間電圧を検出する電池電圧検出回路と、
前記電池電圧検出回路による検出値に基づいて前記充電
切換回路と放電切換回路と充電回路とを制御する制御回
路とからなる充電器であつて、前記制御回路は、前記放
電切換回路を切り換えて前記複数の電池を交互に使用し
、電池容量がほぼ０％になつた電池を前記充電切換回路
を切り換えて充電するように制御することを特徴とする
充電器。1. A plurality of rechargeable batteries, a charging circuit for charging these batteries, a charge switching circuit for switching the batteries to be charged, a discharge switching circuit for switching the batteries for discharging, and a voltage between each terminal of the plurality of batteries. a battery voltage detection circuit to detect;
The charger includes a control circuit that controls the charging switching circuit, the discharging switching circuit, and the charging circuit based on a value detected by the battery voltage detection circuit, wherein the control circuit switches the discharging switching circuit to control the charging circuit. A charger characterized in that a plurality of batteries are used alternately and the charge switching circuit is controlled to charge a battery whose battery capacity has reached approximately 0% by switching the charge switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63015491A JPH01190224A (en) | 1988-01-25 | 1988-01-25 | Charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63015491A JPH01190224A (en) | 1988-01-25 | 1988-01-25 | Charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01190224A true JPH01190224A (en) | 1989-07-31 |
Family
ID=11890268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63015491A Pending JPH01190224A (en) | 1988-01-25 | 1988-01-25 | Charger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01190224A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04193033A (en) * | 1990-11-26 | 1992-07-13 | Hitachi Ltd | Battery system |
| JP2006149185A (en) * | 2004-11-18 | 2006-06-08 | Internatl Business Mach Corp <Ibm> | Staggered backup battery charging system |
| JP2006217696A (en) * | 2005-02-02 | 2006-08-17 | Nec Engineering Ltd | Apparatus and method for supplying dc power using charging circuit |
| JP2017509113A (en) * | 2014-02-12 | 2017-03-30 | フルイディック, インク.Fluidic, Inc. | Method for operating an electrochemical cell containing electrodeposited fuel |
-
1988
- 1988-01-25 JP JP63015491A patent/JPH01190224A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04193033A (en) * | 1990-11-26 | 1992-07-13 | Hitachi Ltd | Battery system |
| JP2006149185A (en) * | 2004-11-18 | 2006-06-08 | Internatl Business Mach Corp <Ibm> | Staggered backup battery charging system |
| JP4732857B2 (en) * | 2004-11-18 | 2011-07-27 | インターナショナル・ビジネス・マシーンズ・コーポレーション | Back-up battery system, method for charging the same, and program |
| JP2006217696A (en) * | 2005-02-02 | 2006-08-17 | Nec Engineering Ltd | Apparatus and method for supplying dc power using charging circuit |
| JP4527560B2 (en) * | 2005-02-02 | 2010-08-18 | Ｎｅｃエンジニアリング株式会社 | DC power supply method and apparatus using charging circuit |
| JP2017509113A (en) * | 2014-02-12 | 2017-03-30 | フルイディック, インク.Fluidic, Inc. | Method for operating an electrochemical cell containing electrodeposited fuel |
| US10461554B2 (en) | 2014-02-12 | 2019-10-29 | Nantenergy, Inc. | Method of operating electrochemical cells comprising electrodeposited fuel |
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