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P.t. Moseley – One of the best experts on this subject based on the ideXlab platform.

  • Research results from the Advanced Lead-Acid Battery Consortium point the way to longer life and higher specific energy for lead/Acid electric-vehicle batteries
    Journal of Power Sources, 1998
    Co-Authors: P.t. Moseley
    Abstract:

    Abstract Amidst the welter of publicity devoted to the newer Battery chemistries, the remarkable progress made by lead/Acid Battery technologists in response to the needs of the emerging electric-vehicle market has tended to be overlooked. The flooded design of Battery, launched by Gaston Plante around 1860, has given way to a valve-regulated variant which has a history dating only from the 1970s. The key parameters of this `maintenance free’ Battery have been improved markedly during the course of the development programme of the Advanced Lead–Acid Battery Consortium (ALABC), and it is likely that lead/Acid will continue to feature strongly in motive-power applications as a result of its cost advantage and of its enhanced effectiveness.

  • Lead/Acid Battery myths
    Journal of Power Sources, 1996
    Co-Authors: P.t. Moseley
    Abstract:

    Abstract The lead/Acid Battery deserves a more positive image than has been traditional heretofore—particularly with respect to a number of aspects that relate to its utility as a power source for electric vehicles. Recent results from a large internationally coordinated research programme indicate that: (i) with proper attention to construction, valve-regulated lead/Acid batteries can be deep-discharged many times without capacity loss; (ii) lead/Acid batteries can be recharged extremely rapidly so that long journeys of electric vehicles become a realistic possibility; (iii) ranges of over 150 km between charges are achievable, and (iv) the introduction of significant numbers of lead/Acid-powered electric vehicles does offer a beneficial environmental impact.

Ludwig Joerissen – One of the best experts on this subject based on the ideXlab platform.

  • hybrid systems with lead Acid Battery and proton exchange membrane fuel cell
    Journal of Power Sources, 2005
    Co-Authors: Andreas Jossen, Juergen Garche, Harry Doering, Markus Goetz, Werner Knaupp, Ludwig Joerissen
    Abstract:

    Abstract Hybrid systems, based on a lead–Acid Battery and a proton-exchange membrane fuel cell (PEMFC) give the possibility to combine the advantages of both technologies. The benefits for different applications are discussed and the practical realisation of such systems is shown. Furthermore a numerical model for such a hybrid system is described and results are shown and discussed. The results show that the combination of lead–Acid batteries and PEMFC shows advantages in case of applications with high peak power requirements (i.e. electric scooter) and applications where the fuel cell is used as auxiliary power supply to recharge the Battery. The high efficiency of fuel cells at partial load operation results in a good fuel economy for recharging of lead–Acid batteries with a fuel cell system.

  • Hybrid systems with lead–Acid Battery and proton-exchange membrane fuel cell
    Journal of Power Sources, 2005
    Co-Authors: Andreas Jossen, Juergen Garche, Harry Doering, Markus Goetz, Werner Knaupp, Ludwig Joerissen
    Abstract:

    Abstract Hybrid systems, based on a lead–Acid Battery and a proton-exchange membrane fuel cell (PEMFC) give the possibility to combine the advantages of both technologies. The benefits for different applications are discussed and the practical realisation of such systems is shown. Furthermore a numerical model for such a hybrid system is described and results are shown and discussed. The results show that the combination of lead–Acid batteries and PEMFC shows advantages in case of applications with high peak power requirements (i.e. electric scooter) and applications where the fuel cell is used as auxiliary power supply to recharge the Battery. The high efficiency of fuel cells at partial load operation results in a good fuel economy for recharging of lead–Acid batteries with a fuel cell system.

Jan Kleissl – One of the best experts on this subject based on the ideXlab platform.

  • minimizing the lead Acid Battery bank capacity through a solar pv wind turbine hybrid system for a high altitude village in the nepal himalayas
    Energy Procedia, 2014
    Co-Authors: Zahnd Alex, Angel Clark, Wendy Cheung, Jan Kleissl
    Abstract:

    Of the estimated 1.6-2 billion people who lacked access to electricity at the end of the last millennium, millions have gained access to basic indoor lighting through off grid solar PV home systems with lead Acid Battery storage over the last decade. In Nepal, through government subsidy programs and INGO/NGO projects, around 350,000 solar PV home systems have been installed since 2001, mainly in remote, high altitude Himalayan communities. The author’s field experience shows that within 6-24 months, 50-70% of the solar PV home systems are either not properly functioning, or not working at all. This is mainly due to substandard equipment, lack of user awareness, inability to maintain their systems, as well as the nonexistence of after sales services. Thus, an estimated 250,000 “dead”, flooded lead-Acid batteries are either unsafely disposed of or lying around, posing huge potential hazards for people and the unique yet fragile Himalayan ecosystem. The research conducted demonstrates that by tapping into more than one renewable energy resource, converting the local available solar and wind resources into electricity through a solar PV – wind turbine hybrid RAPS (Remote Area Power Supply) system, the lead-Acid Battery bank capacity can be minimized by 57%, compared to an equivalent energy generating solar PV RAPS system, without jeopardizing, or reducing the village’s load demands. This project shows that wind and solar resources are complimentary to each other over several hours in an average day. Thus, by utilizing both of the local wind and solar resources and converting them into electricity to meet the loads directly or to store into the lead-Acid Battery bank, it allows an average of 3-4 hours longer electricity generation per day. This enables the design of smaller Battery bank capacities for hybrid RAPS systems without limiting the end users’ energy services. Hence, long-term health risks to the people, as well as environmental damage to the delicate and exceptional Himalayan flora and fauna through disposed “dead” lead-Acid batteries, is reduced.