Lead-acid battery life testing and ultrasonics

Author(s):  
I.C. Baeringer ◽  
F.L. Tarantino ◽  
E.L. Daniels
2020 ◽  
Author(s):  
Alaa El-Sharkawy ◽  
Karim Mohamed ◽  
Ye Chan Park ◽  
Amr Sami

2013 ◽  
Vol 680 ◽  
pp. 479-483
Author(s):  
Pei Ying Li ◽  
Yu Tian Pan

In order to meet the demands of practical, convenient and quick charge requirements, a mathematical model of a certain type of vehicle starting lead-acid battery is established. Using the method of circuit analysis, the model parameters are identified by the known test data. In addition, battery charge model is simulated in each charge stage using the intelligent three-stage charge method, simulation waveform and test waveform fit very well, absolute errors between them reach to 10-6. Simulation results show that the mathematical model and its analysis method is proper for the charge characteristics of vehicle starting lead-acid battery. This has a good guidance to design intelligent charger and extend the battery life.


1997 ◽  
Vol 67 (1-2) ◽  
pp. 225-236 ◽  
Author(s):  
J.G.S. Robertson ◽  
J.R. Wood ◽  
B. Ralph ◽  
R. Fenn

2015 ◽  
Vol 2 (4) ◽  
pp. 224
Author(s):  
Ahmad Juang Pratama ◽  
Hamzah Firdaus

<p><em>Abstrak–</em><strong>Pengecasan dengan menggunakan teknik pulsa arus adalah salah satu teknik yang dapat digunakan untuk mengatasi kehilangan kapasitas aki secara prematur. Teknik ini bisa mempercepat proses pengecasan aki dan memperpanjang siklus hidup sebesar 3 sampai 4 kali dibandingkan dengan pengecasan konvensional dengan arus konstan. Lebih panjangnya siklus hidup baterai berbahan <em>lead acid</em> (BLA) ini dikarenakan teknik pulsa tegangan bersifat sebagai desulfator yaitu pengurai Kristal senyawa timbal sulfat (PbSO<sub>4</sub>) yang menempel pada elektroda dan menjadi penyebab utama BLA kehilangan kapasitas secara prematur. Penelitian dilakukan untuk melihat efek pemulihan / desulfator, dimana BLA yang sudah lemah karena sudah terpakai di <em>treatment</em> dengan pulsa tegangan akan mengembalikan kapastias simpan BLA, menggunakan <em>prototype</em> yang telah dibuat. Dari eksperimen yang dilakukan terlihat peningkatan nilai Daya <em>starter</em> dan peningkatan durasi pembebanan pada BLA.</strong></p><p> </p><p><em>Abstract – </em><strong>Battery charging using pulse technique is a technique that can be used to overcome the premature loss of battery capacity. This technique can speed up the process of charging and extended battery life cycle 3 to 4 times compared with conventional charging using constant current. The Longer  life cycle of Lead Acid Battery is because the technique has desulfator effect. Voltage pulse decomposite timbale sulfate (PbSO<sub>4</sub>) attached to the electrode which is  the main cause of the premature loss of capacity . This study will investigate the effects of the recovery of battery capacity for used weak Lead Acid Battery. Voltage pulses will be applied to the battery using a charger/desulfator prototype. The experiment results show that there is improvement of Cold Cranking Amps Level and Load time duration of the Lead Acid Battery.</strong></p><p><em> </em></p><p><strong><em>Keywords –</em></strong><em> BLA(Lead Acid Battery) desulfator, pulse voltage, lead sulfate</em></p>


Author(s):  
Arif Hariyadi ◽  
Awan Nugroho ◽  
Suwarno Suwarno

<p>Due to its low cost and recycle-ability, the lead-acid battery is widely used in mobile and stationary applications. Despite much research on lead-acid batteries, the effect of charging voltage on the degradation mechanism requires further investigation. In particular, the origin of cycle life degradation remains unclear. In the present work, by using electrochemical tests and materials characterization, we studied the effect of charging voltage at voltages slightly higher than the open-circuit potential (OCP) i.e., 103-107% OCP, on the battery life cycle. The highest degradation was observed at 105% OCP charging voltage. Based on the materials characterization results, we found that the degradation of a lead-acid battery is influenced by the amount of hard sulfate and the sulfate particles' size.</p>


2015 ◽  
Vol 764-765 ◽  
pp. 491-495 ◽  
Author(s):  
Van Tsai Liu ◽  
Jhih Rong Chen

For high-power applications such as electric motorcycles, batteries in series to provide the required voltage is fairly common. The 48V is 12V connected four cells in series for lead-acid batteries of electric motorcycles. After charging and discharging of lead-acid batteries several times, the voltages are often imbalance. Without proper protection, may cause an excessive discharge of lead-acid batteries for early damage. Therefore, lead-acid battery module requires a simple balance circuit to improve battery life in order to avoid over-voltage or under-voltage condition occurs. Energy balance circuit to improve lead-acid battery module matching problems, make the safety and cycle life of lead-acid batteries to improve. This research intends to complete balanced circuit design of lead-acid batteries.


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