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Showing 1 to 20 of 29 for “"lead-acid batteries"”.
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Finite element modeling of lead acid batteries
… porous electrochemical cells, more specifically lead-acid cells. One- and two-dimensional finite element models are developed for flooded porous electrochemical lead acid cells. Chapter One introduces the background of the technology of lead-acid batteries, theory fundamentals, previous …
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A Data Monitor for Large Lead Acid Batteries
In modern industry, the lead acid battery plays a very important role. Electric vehicles such as, golf cars and fork lift trucks all use a lead acid battery. However, the battery often is not be used in the right way, and this leads to a short battery service life. One of the main reasons that the …
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Web-based computer simulation of lead-acid batteries
A computer simulator for sealed lead-acid (SLA) batteries has been built leveraging the Distributed Object Modeling Environment (DOME) project. DOME provides web accessibility for models written in various applications. The simulator was built as a designing tool. A designer using SLA batteries can …
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A Robust Charge/Discharge Monitor for Lead Acid Batteries
Lead acid batteries are widely used in many industrial areas. Electric vehicles such as fork lift trucks, golf carts, wheelchairs, floor scrubbers, electric scooters are using lead acid batteries because of its low cost. However, due to improper charging, the batteries cannot be used as long as …
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Refurbishing sulfated lead-acid batteries through surface electrochemical techniques
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-08-01
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The dynamic characterisation and modelling of lead-acid batteries for electric vehicle applications
… effort to increase the available capacity of a lead-acid battery, the effects of pulsed discharge currents as opposed to the effects of continuous discharge currents on the battery were investigated, for a wide range of frequency, mark/space ratio and peak current of the discharge waveform. It …
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Pulse charging lead-acid batteries to improve performance and reverse the effects of sulfation
When lead-acid batteries are improperly charged or discharged, useful power delivered to loads diminishes. One cause for this is a phenomenon generally referred to as sulfation. One possible method that has been proposed by many to reverse the effects of sulfation is to recharge the lead-acid …
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Online condition monitoring of lithium-ion and lead acid batteries for renewable energy applications
… of reaction kinetics and condition monitoring of batteries during different operational conditions, such as: Temperature, State of Charge (SoC) and State of Health (SoH) etc. The EIS plot translates to the impedance profile of a battery and is fitted to an Equivalent Electric Circuit (EEC) that …
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STUDYING THE EFFECTS OF NEW ADDITIVE MATERIALS FOR THE IMPROVEMENT OF THE CAPACITY AND CYCLE LIFE PERFORMANCE OF THE LEAD-ACID BATTERY
<p>"Lead-acid batteries are an established technology with nearly 99% recyclability; however, lead-acid batteries produce only 40% of their theoretical capacity due to poor active mass utilization and PbSO4 pore blockage, and the longevity of the batteries is hampered by secondary reactions during …
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A review of the emergency electric power supply systems at PWR nuclear power plants
… equipment type (Diesel generators, Grid network, Lead-acid batteries, Battery chargers, Inverters, and Power Distribution networks). The trends in the design of Emergency Electric Power supply systems at Nuclear Power Plants are presented. The loss of all alternating current power, known as …
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The effect of active mass thickness on the cycle life of low-antimony lead-alloy spine employed in deep-cycle batteries
… of conventional starting-lighting-ignition (SLI) lead-acid batteries with low-antimony lead-alloy grids is reduced when subjected to repetitive deep-discharge cycling. Reduced cycle life is caused by the rich layer of lead sulfate formed in the corrosion layer interface (Barrett et al. 1981; Chang …
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Assessment of Waste Battery Management in Peri-Urban Settlement, Case Study of Kigamboni/ Temeke District
This study assessed the Waste Batteries Management in Peri-Urban Settlement, Case study Kigamboni/Temeke District. Specifically the study was done at Kisalawe II ward, Tumaini and Kichangani Mtaa jurisdiction area. A total of 57 respondents from Tumaini and Kichangani Mtaa as well as officials from …
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Economic and Environmental Analysis of Cool Thermal Energy Storage as an Alternative to Batteries for the Integration of Intermittent Renewable Energy Sources
… energy sources. Traditionally, large stationary batteries have been used to store renewable energy in excess of electricity demand and dispatch the stored energy to meet future electricity demand. Cool thermal energy storage is a feasible renewable energy balancing solution that has economic and …
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Design of a hybrid energy-generation system for autonomous kayaks
… have limited range due to energy storage in lead acid batteries. Extending the range would give the vehicles more operating time in their environments, and allow a greater set of tests and experiments to be conducted. The system uses a 4.5 kW diesel engine coupled to a 200 A marine alternator …
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Techno-economic optimization and environmental life cycle assessment of microgrids using genetic algorithm and artificial neural networks
… -- solar photovoltaics, wind-turbines, lead acid batteries, biodiesel generators, fuel cells, electrolyzers and H<sub>2</sub> tanks. The second paper is an extension of first paper and utilizes Artificial Neural Networks to predict energy demand while also incorporating social costs. …
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Potassium sulphate production from an aqueous sodium sulphate waste from lead acid battery recycling
… Because of the comparative advantages that lead acid batteries have over other energy storage technologies, there is an increasing demand and use of lead acid batteries in various industrial operations. The lead acid battery waste stream is a significant source of Na2SO4, which is a …
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Design of a parallel-series hybrid electric vehicle using multi-objective optimization techniques
… of constant current battery tests on several lead-acid batteries, namely Eastern-Penn RV31, Delco Voyageur 27FMF, Chloride 6EF7, Optima 800, and Eastern-Penn RV27 are presented. Furthermore, constant power tests results for two nickel-cadmium batteries (Saft Nife STM1.130 and Marathon 44SP100) …
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A comparison of parallel Gaussian elimination solvers for the computation of electrochemical battery models on the cell processor
… will be, for the foreseeable future, powered by batteries. One of the major problems with batteries is their aging. For batteries, aging means that the maximum charge they can store decreases as number of charge/discharge cycles increases. Aging also means that after a certain number of …
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Lead reversible batteries
Made available in DSpace on 2017-11-30T22:46:13Z (GMT). No. of bitstreams: 2 5956609.pdf: 6530818 bytes, checksum: 9093e951d943715fd5eee9fb827df75e (MD5) license.txt: 4813 bytes, checksum: 715c4321821a960fa1a1e91d2ac7ebce (MD5) Previous issue date: 1893
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