CN1079603C - Combined pulse charging method - Google Patents

Combined pulse charging method Download PDF

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CN1079603C
CN1079603C CN98111012A CN98111012A CN1079603C CN 1079603 C CN1079603 C CN 1079603C CN 98111012 A CN98111012 A CN 98111012A CN 98111012 A CN98111012 A CN 98111012A CN 1079603 C CN1079603 C CN 1079603C
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pulse
charging
positive
battery
peak voltage
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CN1228637A (en
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苏永贵
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苏永贵
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Abstract

一种利用脉冲电流进行充电的组合脉冲充电法,其特征在于所述的脉冲电流包含峰值电压为1.4-2.1倍被充电蓄电池(组)端电压的第一正脉冲、峰值电压低于上述的第一正脉冲峰值电压的第二正脉冲和电压为负的负脉冲;上述的负脉冲的峰值电压是上述的第一正脉冲峰值电压的40%-85%;上述的第一正脉冲和第二正脉冲之间有一瞬间停止充电间隔。 Utilizing a combination of pulse current charging pulse charging method, characterized in that said pulse current comprising 1.4-2.1 times the peak voltage of the battery to be charged (group) of a first positive voltage pulse, the peak voltage is lower than the first a second positive pulse and a positive pulse voltage is a negative peak voltage of the negative pulse; peak voltage of the negative pulses is 40% -85% of the above-described first positive peak voltage of the pulse; said first and second positive pulse between the instant a positive pulse has stopped charging interval.

Description

组合脉冲充电方法 A combination of pulse charging method

本发明是关于可充电电池的充电方法,特别是关于脉冲快速充电的方法。 The present invention is a method of charging a rechargeable battery on, particularly to a method of rapidly charging pulse.

可充电电池由于具有循环多次使用的优点,已在各种机器和电器设备上广泛使用。 Since rechargeable batteries have the advantage of multiple use cycles has been widely used in various machinery and electrical equipment. 如铅酸蓄电池作为机车的安全、无公害排放的一种动力源,正日益受到人们的重视。 Such as lead-acid batteries as a safety locomotive, a power source pollution emissions, it is gaining attention. 而各种镉镍、氢镍、锂蓄电池又以体积小、容量大的特点,普遍为各种移动通讯设备所采用。 And various nickel cadmium, nickel hydrogen, lithium secondary batteries small in size again, large capacity characteristics, is generally employed a variety of mobile communication devices. 这些可充电电池都是基于可逆的电化学反应而进行工作的。 These rechargeable batteries are based on the reversible electrochemical reaction of work. 当电池的电能用完后,必须对它们进行充电,使它们恢复电能,方可投入再次的使用。 When the battery power after use, they must be charged, so that they recover energy may be put into use again. 以往的充电,一般均采用直流电进行恒压、恒流或变流的充电方法。 Conventional charging, DC charging generally used method of constant voltage, constant or variable flow. 这些充电方法得一大缺点就是充电时间太长,对铅酸蓄电池来说为12小时以上,而镉镍、氢镍、锂蓄电池约在10小时左右。 These charging methods have a major drawback is that the charging time is too long, lead-acid batteries for 12 hours or more, and nickel cadmium, nickel hydrogen, lithium secondary batteries is about 10 hours. 因为上述的这些充电方法使用的充电电流平均幅度在0.1CA左右,即所谓的标准充电电流。 Because the above-described method of charging a charging current is used the average amplitude of about 0.1CA, i.e. a so-called standard charging current. 能否用大于上述的标准充电电流(即所谓的大电流充电)来充电以缩短蓄电池充电的时间呢? Able to use standard is larger than the charging current (i.e., a so-called large current charging) in order to shorten the charging of the battery charging time? 人们都在不断地进行研究和实验。 People are constantly conducting research and experiments. 若能以1CA的电流幅度对蓄电池充电,将可使充电时间缩短到1小时左右。 1CA if the amplitude of a current to charge the battery, the charging time can be shortened to about 1 hour. 但人们发现在充电过程中,蓄电池的正极、负极和电解液之间的电化学反应的速率是受各种条件制约的。 It has been found during the charging process, the rate of an electrochemical reaction between the positive electrode of the battery, the negative electrode and the electrolytic solution is subject to constraints of various conditions. 采用大电流充电将使蓄电池产生极化现象,阻碍电化学反应的正常进行,极易导致蓄电池内部的隔膜和电极损坏,且破坏电解液的平衡,严重时将造成蓄电池的永久性损坏。 Using the large current charging the battery will produce polarization, hinder the normal electrochemical reaction inside the battery can easily lead to damage to the electrode and the separator and destroy the balance of the electrolytic solution, the battery will cause permanent damage to severe. 按现有的各种文献记载,在不造成蓄电池永久性损坏的前提下,所建议的恒流充电幅度最大为0.5CA。 Documented by the various existing, without causing permanent damage to the battery, the proposed maximum amplitude of the constant current charging 0.5CA. 这样充电时间也要在3-4小时左右。 Such charge time should be about 3-4 hours. 国外电力杂志(J.Power Sources)报导了用脉冲间隙充电的方法,该方法使用的脉冲电流幅度为1CA,每一脉冲周期内,充电时间为100-200毫秒,停冲时间为300-600毫秒,整个充电时间为290分钟。 Foreign Journal Power (J.Power Sources) reported a method of charging the pulse interval, the pulse amplitude of the current method used is 1CA, in each pulse period, the charging time of 100-200 ms, 300-600 ms time of stopping red , the entire charge time was 290 minutes. 1996年9月煤炭工业出版社的〖蓄电池快速充电原理和实践〗(朱小同、赵先桂箸)提出了一种“充电-停充-放电-停充”循环的快速充电方法。 September 1996 Coal Industry Press 〖battery fast charging principles and practices〗 (ZHU Xiao same, Zhao Xiangui chopsticks) proposed a "charge - stop charge - and discharge - stop charging" fast charging method cycle. 该方法每循环内充电300毫秒,停充200毫秒,放电120毫秒(共6次,每次20毫秒);整个充电时间也在2小时左右。 The method of charging cycles every 300 msec, 200 msec stop filling, discharge 120 ms (total of 6 times, each 20 msec); also the whole charging time 2 hours. 上述这些快速充电法虽然缩短了充电时间,但距1小时充电还有较大的差距。 These fast charging method, while the charging time is shortened, but there is a large charge from one hour gap. 此外它们共同存在的一个缺点是无法彻底消除蓄电池的极化现象和记忆效应,因此蓄电池的放电容量逐渐减少,需要在一定的时间内用标准充电电流进行常规的长时间充电以恢复电池的容量。 Further a disadvantage of the co-presence thereof is not completely eliminate the memory effect and polarization of the battery, so the discharge capacity of the battery gradually decreases, the charging current required for a conventional long-term charge to recover the battery capacity in a certain standard time. 同时,这些快速充电法不许可对有任何损坏的蓄电池进行充电。 At the same time, these methods do not permit the rapid charging of any damage to the battery is charged.

本发明的目的在于提供一种组合脉冲充电方法,它能克服现有脉冲快速充电的缺点,可以彻底消除蓄电池在充电过程中的极化现象和记忆效应,实现1小时充电,既保证蓄电池容量不会随充电次数的增加而减少,又能对具有中、轻度损坏的蓄电池进行修复的功能。 Object of the present invention is to provide a combined pulse charging method, which overcomes the shortcomings of the conventional pulse fast charge, polarization can be completely eliminated and the memory effect of the battery during the charging process, the charging one hour to achieve, both to ensure the battery capacity is not increases will reduce the number of charging, the battery can having the mild damage repair function.

本发明的目的是这样实现的:一种利用脉冲电流进行充电的组合脉冲充电方法,其特征在于所述的脉冲电流为包含在每周(即2π)中的第一正脉冲、第二正脉冲和负脉冲;在每周的0-π时段为第一正脉冲,其峰值电压为1.4-2.1倍的被充蓄电池(组)端电压,第二步为π/4-π/5时段的瞬间停止充电间隔,第三步为占时5π/8-7π/10的第二正脉冲,其峰值电压大于蓄电池(组)的端电压而小于第一正脉冲的峰值电压,最后时段为峰值电压为第一正脉冲峰值电压40-90%的负脉冲。 The object of the present invention is implemented: utilizing a combination of pulse current of the pulse charging method, characterized in that said pulse current is contained in a first positive pulse weekly (i.e. 2 [pi]), and a second positive pulse and a negative pulse; 0-π weekly period is a first positive pulse with a peak voltage of 1.4-2.1 times the battery is charged (set) terminal voltage, the second step of the instant π / 4-π / 5 period stop charging interval, the third step is the second largest positive pulse 5π / 8-7π / 10, the peak voltage is greater than the terminal voltage of the battery (s) and less than the peak voltage of the first positive pulse period is the peak voltage of the last a first positive pulse peak voltage of the negative pulse 40 to 90%.

所述的组合脉冲充电方法,其特征在于:上述的负脉冲每秒至少向蓄电池反向充电1次。 The compositions pulse charging method, comprising: a reverse charge to the battery at least the above-mentioned negative pulse once per second.

所述的组合脉冲充电方法,其特征在于:上述的第一正脉冲、第二正脉冲和负脉冲的频率为25赫兹-32千赫兹,优选的频率为50赫兹或60赫兹。 The compositions pulse charging method, wherein: the frequency of the first positive pulse, a second positive and negative pulses of 25 Hz -32 kHz, preferably a frequency of 50 Hz or 60 Hz.

所述的组合脉冲充电方法,其特征在于:包含充电电流幅度不大于120毫安的涓流充电阶段,由上述的第一正脉冲、第二正脉冲和负脉冲组合的大电流充电阶段和上述的涓流充电阶段在时间上的占空比为3∶1-5∶2。 The compositions pulse charging method, characterized by: comprising a charging current amplitude is not greater than 120 mA trickle charge phase, by the first positive pulse, a second positive pulse and negative pulse large current charging phase and said combined trickle charge the duty cycle phase over time is 3:1-5:2.

本发明利用两个电压峰值不等的第一正脉冲和第二正脉冲向蓄电池进行正向大电流快速充电,同时又减少了蓄电池产生记忆效应,而且在两个正脉冲之间有一个瞬间停止充电的间隔,这样不仅可以有效地防止恒定的大电流对蓄电池隔膜和极板的损坏,且缓解了大电流充电所引起的温度升高。 The present invention utilizes a first two unequal positive peak voltage pulse and the second positive pulses forward a large current fast charge to the battery, the battery while reducing the memory effect, but also between the two pulses have a positive stop instantaneously charging interval, so not only can effectively prevent damage to the constant high current of the battery plates and the separator, and the ease of temperature caused by the large current charging increases. 再加上负脉冲对蓄电池的反向大电流充电,彻底消除了极化现象和记忆效应,使蓄电池真正实现大电流充电,其充电流平均幅度可达1CA以上,可将充电时间缩短至1小时左右,充电电能的转换率达95%以上,蓄电池的充电容量达100%;还可以使极板受到中、轻度损坏的报废蓄电池得以修复,延长其服役时间。 Coupled reverse negative pulse large current charging of the battery, the complete elimination of the polarization and the memory effect, the battery realize large current charging, the charging range up to an average flow 1CA above, can be shortened to 1 hour charge time so, the charging electric energy conversion rate of 95%, the charge capacity of the battery is 100%; may also be in the electrode plate, battery scrap mild damage can be repaired, to extend its service time. 使用本发明可使充足电后的蓄电池贮放时间从目前的3-5天延长到一个月以上,且循环使用寿命在600次以上,甚至可达1600次,大大超过目前标准规定的400-500次。 The pot life of the battery after use of the present invention allows to extend the full charge current from 3-5 days to a month or more, and the cycle life of more than 600, or even up to 1600 times, much higher than the current standard of 400-500 times.

以下结合附图对本发明作进一步的描述。 Conjunction with the drawings of the present invention will be further described.

图1是本发明的充电波形图。 FIG. 1 is a waveform diagram of the charging of the present invention.

图2是本发明对电容量小于1800毫安的蓄电池(组)的充电波形图。 FIG 2 is smaller than the battery capacity of 1800 mA charge waveform diagram (s) of the present invention.

实施例1。 Example 1. 本发明在对大电容量(1800毫安以上)的蓄电池(组)充电时的组合脉冲充电的脉冲波形如图1所示。 When the battery of a large capacity (above 1800 mA) (group) charging a combined pulse waveform of the present invention the charging pulse as shown in FIG. 图中的横坐标是以转角表示的时间,纵坐标是脉冲充电电流的电压。 The abscissa is the time represented in FIG angle, and the ordinate is the pulse voltage charging current. 所述的组合脉冲为:第一正脉冲1、第二正脉冲2和负脉冲3。 The combination of pulses: a first positive pulse, a second positive pulse and a negative pulse 3 2. 在一个2π(即每周)时间段内,第一正脉冲1占据0-π时间段,第二正脉冲2占据AB时间段。 In a 2 [pi] (i.e., every week) period, a positive pulse occupies a first 0-π time period, a second positive pulse occupies 2 time period AB. π-A时间段(约占π/4-π/5转角)为瞬间停止充电间隔。 π-A period (about π / 4-π / 5 angle) to momentarily stop charging interval. 第一正脉冲1的峰值电压值为被充蓄电池(组)端电压的1.4-2.1倍。 The first voltage is a positive pulse peak value of 1.4-2.1 times the battery is charged (set) terminal voltage. 第二正脉冲2的峰值电压小于第一正脉冲1的峰值电压,但大于蓄电池的端电压。 2 a second positive pulse peak voltage less than the first positive peak voltage pulse 1, but greater than the battery voltage. 负脉冲3占据B-2π时间段(约为π/8-π/10转角)。 3 negative pulses occupy B 2π-period (about π / 8-π / 10 angle). 负脉冲3的电压为负值,其峰值电压为第一正脉冲峰值电压的40-90%。 3 negative pulse voltage is negative, the peak voltage of 40 to 90% of a first positive pulse peak voltage. 在每一个2π的周期内第一正脉冲1、瞬间停止充电间隔和第二正脉冲2是必然存在的,即它们每秒钟向蓄电池充电的次数是与脉冲的频率相等。 In each period of the first positive pulse of 2π 1, momentarily stop charging interval and the second positive pulse 2 is bound to exist, i.e., the number of times per second to charge the battery thereof is equal to the frequency of the pulses. 而负脉冲3则不然,它是依据蓄电池的性质、化学结构及电容量的大小等技术状态而定,也就是说不一定在每一个2π周期内向蓄电池进行一次反向大电流充电,但是最少每秒钟需要向蓄电池反向大电流充电一次;最多则与脉冲的频率数相同。 Otherwise the negative pulse 3, which is state of the art according to the nature of the chemical structure and capacity of the battery depending on the size and the like, that is not necessarily a reverse battery for large current charging 2π within each cycle, but at least every seconds required to charge a battery reverse high current; frequency up to the same number of pulses. 若在某个2π周期内无负脉冲3,则上述的B-2π时间段就成了另一个瞬间停止充电间隔。 If no negative pulses within a period 2 [pi] 3, the above B-2π time it would momentarily stop charging interval to another. 上述这些充电脉冲的频率为25赫兹-32千赫兹,一般充电脉冲以采用交流工频的频率为佳,即优先选用50赫兹(或60赫兹)。 The frequency of the charging pulses is 25 Hz -32 kHz, typically using a charge pulse to the preferred frequency of the AC power frequency, i.e., preferred 50 Hz (or 60 Hz). 若采用50赫兹的充电脉冲频率,则每秒钟第一正脉冲1和第二正脉冲2各向蓄电池进行50次正向大电流充电,而负脉冲3则根据蓄电池本身的技术状态向蓄电池进行1-50次的反向大电流充电。 If the charge pulse frequency is 50 Hz adopted, the first positive pulse per second and a second positive pulse 2 are each 50 times forward large current charging to the battery, and the negative pulse to the battery 3 for a battery according to the state of art itself 1-50 times reverse large current charging. 如此的反复循环直至充电完毕,这一过程一般在1小时左右,甚至更短。 Such repeated cycles until the charge is complete, the process is generally about 1 hour, or less.

实施例2。 Example 2. 本发明在对小电容量(1800毫安以下)的蓄电池(组)充电时的组合脉冲充电的脉冲波形如图2所示,它包含大电流充电阶段和涓流充电阶段。 When the battery of small capacity (hereinafter 1800 mA) (group) of the present invention is combined pulse charging charging pulse waveform shown in Figure 2, which contains large current charging phase and trickle charge phase. 图中的横坐标是以转角表示的时间,纵坐标是脉冲充电电流的电压。 The abscissa is the time represented in FIG angle, and the ordinate is the pulse voltage charging current. 在大电流充电阶段,一个2π周期内,第一正脉冲1占据0-π时间段,第二正脉冲2占据AB时间段。 In the large current charging phase, within a period of 2π, a first positive pulse occupies a 0-π time period, a second positive pulse occupies 2 time period AB. π-A时间段(约占π/4-π/5转角)为瞬间停止充电间隔。 π-A period (about π / 4-π / 5 angle) to momentarily stop charging interval. 第一正脉冲1的峰值电压值为被充蓄电池(组)端电压的1.4-2.1倍。 The first voltage is a positive pulse peak value of 1.4-2.1 times the battery is charged (set) terminal voltage. 第二正脉冲2的峰值电压小于第一正脉冲1的峰值电压,但大于蓄电池(组)的端电压。 2 a second positive pulse peak voltage less than the first positive peak voltage pulse 1, but greater than the battery (group) of the terminal voltage. 负脉冲3占据B-2π时间段(约为π/8-π/10转角)。 3 negative pulses occupy B 2π-period (about π / 8-π / 10 angle). 负脉冲3的电压为负值,其峰值电压为第一正脉冲1峰值电压的40-90%。 3 negative pulse voltage is negative, the peak voltage of 40 to 90% of the first positive pulse a peak voltage. 在每一个2π的周期内第一正脉冲1、瞬间停止充电间隔和第二正脉冲2是必然存在的,即它们每秒种向蓄电池充电的次数是与脉冲的频率相等。 In each period of the first positive pulse of 2π 1, momentarily stop charging interval and the second positive pulse 2 is bound to exist, i.e. they are charged into the battery times per second is equal to the frequency of the pulses. 而负脉冲3则不然,它是依据蓄电池的性质、化学结构及电容量的大小等技术状态而定,也就是说不一定在每一个2π周期内向蓄电池进行一次反向大电流充电,但是每秒钟内至少向蓄电池进行一次反向大电流充电;最多则与脉冲的频率数相同。 Otherwise the negative pulse 3, which is state of the art according to the nature of the battery, the chemical structure and capacity of a given size and, that is not necessarily a reverse battery for large current charging 2π within each cycle, but the second the clock to the battery at least a reverse high current charging; up is the same as the number of frequency pulses. 在涓流充电阶段的每一个2π转角内有一个第一涓流脉冲4、一个第二涓流脉冲5和两个停止充电间隔。 A first trickle pulses within each 2π phase angle trickle charge 4, a second pulse trickle charging is stopped 5 and two spaced. 第一涓流脉冲4的充电电流幅度为60毫安左右,第二涓流脉冲5为120毫安左右。 A first trickle charge current pulse amplitude of 60 mA is about 4, 5 second pulse trickle about 120 mA. 第一涓流脉冲4和第二涓流脉冲5之间有停止充电间隔。 There are 4 between the first and second pulse trickle trickle charging interval pulse 5 is stopped. 上述的这些充电脉冲的频率为25赫兹-32千赫兹,一般充电脉以采用交流工频的频率为佳,即50赫兹(60赫兹)。 The frequency of the charging pulses is 25 Hz -32 kHz, typically at a frequency of the charging AC clock frequency is preferred, i.e., 50 Hz (60 Hz). 若采用50赫兹的充电脉冲频率,则在大电流充电阶段,每秒钟第一正脉冲1和第二正脉冲2各向蓄电池进行50次正向大电流充电,而负脉冲3则根据蓄电池本身的技术状态向蓄电池进行1-50次的反向大电流充电;在涓流充电阶段,第一涓流脉冲4和第二涓流脉5各向蓄电池涓流充电50次。 If the charge pulse frequency of 50 Hz using, in the large current charging phase, a first positive pulse per second and a second positive pulse 2 are each 50 times forward large current charging to the battery, and the negative pulse 3 The battery itself state of the art to be 1-50 times the battery reverse high current charging; the trickle charge phase, a first pulse 4 and a second trickle trickle charge pulse 5 each stream to the battery 50 trickle. 上述的大电流充电阶段每次持续3-5秒后接着进入1-2秒的涓流充电阶段;两者在时间上构成了3∶1-15∶2的占空比。 Above large current charging after each stage for 3-5 seconds and then 12 seconds into the trickle charge phase; both in time constitutes a duty cycle of 3:1-15:2. 如此的大电流充电阶段和涓流充电阶段反复交替直至充电完毕,这一过程一般在1小时左右,甚至更短。 Such large current charging phase and trickle charge phase are alternately repeated until the charging is completed, the process is generally about 1 hour, or less. 上述的涓流脉冲4和5可以用电流幅度为60-120毫安的恒流替代。 The above-described trickle pulses 4 and 5 may be 60 to 120 mA current amplitude constant instead.

Claims (4)

1.一种利用脉冲电流进行充电的组合脉冲充电方法,其特征在于:所述的脉冲电流为包含在每周(即2π)中的第一正脉冲、第二正脉冲和负脉冲;在每周的0-π时段为第一正脉冲,其峰值电压为1.4-2.1倍的被充蓄电池(组)端电压,第二步为π/4-π/5时段的瞬间停止充电间隔,第三步为占时5π/8-7π/10的第二正脉冲,其峰值电压大于蓄电池(组)的端电压而小于第一正脉冲的峰值电压,最后时段为峰值电压为第一正脉冲峰值电压40-90%的负脉冲。 A combination with pulse current of the pulse charging method, characterized in that: said pulse current is contained in the first positive pulse (i.e. 2 [pi]) per week, the second positive and negative pulses; each 0-π week period is a first positive pulse with a peak voltage of 1.4-2.1 times the battery is charged (set) terminal voltage, the second step of the instant stop charging interval π / 4-π / 5 period, the third the second step is a positive pulse 5π / 8-7π / 10 accounted for when a peak voltage greater than the battery (s) and the terminal voltage less than a peak voltage of the first positive pulse, the last period of time is a first positive peak voltage of pulse peak voltage 40-90% of the negative pulse.
2.根据权利要求1所述的组合脉冲充电方法,其特征在于:上述的负脉冲每秒至少向蓄电池反向充电1次。 2. The composition according to pulse charging method according to claim 1, wherein: the above-described reverse charging to the battery at least once per second negative pulse.
3.根据权利要求1所述的组合脉冲充电方法,其特征在于:上述的第一正脉冲、第二正脉冲和负脉冲的频率为25赫兹-32千赫兹,优选的频率为50赫兹或60赫兹。 3. The composition pulse charging method according to claim 1, wherein: the frequency of the first positive pulse, a second positive and negative pulses of 25 Hz -32 kHz, preferably a frequency of 50 Hz or 60 hertz.
4.根据权利要求1所述的组合脉冲充电方法,其特征在于:包含充电电流幅度不大于120毫安的涓流充电阶段,由上述的第一正脉冲、第二正脉冲和负脉冲组合的大电流充电阶段和上述的涓流充电阶段在时间上的占空比为3∶1-5∶2。 4. The composition pulse charging method according to claim 1, wherein: the charging phase comprising the trickle charge current is not greater than 120 mA amplitude, by the first positive pulse, a second positive and negative pulses in combination large current charging phase and said trickle charge the duty cycle phase over time is 3:1-5:2.
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CN1297052C (en) * 2004-03-19 2007-01-24 周淳 Fully self-controlled large power combined pulse charging machine
TWI636358B (en) * 2016-07-26 2018-09-21 廣東歐珀移動通信有限公司 Adapter and charging control method
US10291060B2 (en) 2016-02-05 2019-05-14 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Adapter and charging control method

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CN104282957A (en) * 2013-07-09 2015-01-14 深圳市动力聚能科技有限公司 Method for charging lithium ion battery by using pulse current
AU2016291545B2 (en) * 2016-02-05 2018-12-13 Guang Dong Oppo Mobile Telecommunications Corp., Ltd. Charge method, adapter and mobile terminal

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1297052C (en) * 2004-03-19 2007-01-24 周淳 Fully self-controlled large power combined pulse charging machine
US10291060B2 (en) 2016-02-05 2019-05-14 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Adapter and charging control method
TWI636358B (en) * 2016-07-26 2018-09-21 廣東歐珀移動通信有限公司 Adapter and charging control method

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