Small scale electricity generation from a portable biomass cookstove: Prototype design and preliminary results

O’Shaughnessy, S.M.; Deasy, Mary; Kinsella, C.E.; Doyle, J.V.; Robinson, A.J.

doi:10.1016/j.apenergy.2012.07.032

Cited by 97 publications

(47 citation statements)

References 19 publications

(19 reference statements)

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“…The solid black line represents the matched load power. This means that the resistance of the load matches the internal resistance of the TEG at all times and therefore the power obtained is the maximum power the module can produce at each temperature difference (Kinsella et al , 2014, O'Shaughnessy, Deasy, 2013.…”

Section: Figure 3 Locationmentioning

confidence: 99%

“…Details of the Ireland-based laboratory experiments with the generator stoves can be in found in (O'Shaughnessy, Deasy, 2013) where it was shown that the TEG produced a maximum of 5.9 Watts of electrical power. On average, approximately 3 Watt-hours of energy was stored in a battery during each 1 hour long experiment.…”

Section: Appliance Chargingmentioning

confidence: 99%

“…The design of the TEG-stove technology demonstrator is discussed in detail in a recent article by the current authors (O'Shaughnessy et al , 2013) and only the relevant features will be discussed herein so as to keep the focus of the current work on the field trial results. In short, the TEG-stove technology was designed to be capable of producing up to 5.9 Watts of electrical power and store roughly 9 Whrs of electrical energy over three one hour cooking periods.…”

Section: Thermoelectricity Overview Thermoelectric Module and Battermentioning

confidence: 99%

“…This means that at large temperatures differences across the TEG, the generator can still produce close to maximum power. Further detailed description, mathematical modelling, performance testing and analysis for this TEG can also be found in (Kinsella, O'Shaughnessy, 2014, O'Shaughnessy, Deasy, 2013 The TEG is intended to be used as a power source to charge a rechargeable 3.3 Volt lithium-iron-phosphate (LiFePo4) battery, specifically the ANR26650 cylindrical cell manufactured by A123 Systems, termed the 'primary' battery henceforth. LiFePo4 batteries are known for their good safety characteristics and long life cycles.…”

Section: Figure 4 Locationmentioning

confidence: 99%

“…As mentioned in (O'Shaughnessy, Deasy, 2013), the design point for the TEG-stove technology was to supply 9 Whrs/day to service a Sun King LED lantern and a mobile phone. Each participant household was supplied with the LED lantern and each had at least one mobile phone.…”

Section: Figure 13 Locationmentioning

confidence: 99%

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Field trial testing of an electricity-producing portable biomass cooking stove in rural Malawi

O’Shaughnessy

Deasy

Doyle³

et al. 2014

Energy for Sustainable Development

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A novel off-grid electricity-producing device has been designed for integration with biomass-fuelled improved cooking stoves commonly in use in the developing world. The device operates on the thermoelectric principle whereby small amounts of electricity can be produced in response to a temperature difference across a thermoelectric generator, or TEG. The energy produced by the integrated generator can be used for direct charging or stored in a rechargeable lithium-ironphosphate (LiFePo4) battery. The generator is equipped with a standard USB output which allows the user to charge a variety of 5 Volt appliances. Five technology demonstrator electricity generating stoves have been integrated with locally produced clay cooking stoves in the Balaka district of Malawi, Africa. This study details the results from an 80-day field trial of the devices. The data reveals that the stoves are in use for a greater time than was anticipated. The data also indicates that the generators perform adequately in the field and provide the user with the ability to charge LED lights and mobile phones from the generator stoves every day if necessary.

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Section: Figure 3 Locationmentioning

confidence: 99%

Section: Appliance Chargingmentioning

confidence: 99%

Section: Thermoelectricity Overview Thermoelectric Module and Battermentioning

confidence: 99%

Section: Figure 4 Locationmentioning

confidence: 99%

Section: Figure 13 Locationmentioning

confidence: 99%

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Field trial testing of an electricity-producing portable biomass cooking stove in rural Malawi

O’Shaughnessy

Deasy

Doyle³

et al. 2014

Energy for Sustainable Development

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Small‐scale electricity generation through thermal harvesting in rooftop photovoltaic picogrid using passively cooled heat conversion devices

Ajewole

Olabode

Alawode

et al. 2020

Environmental Quality Mgmt

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Investigated in this study is harnessing the heat energy absorbed by photovoltaic (PV) solar cells for electricity generation, in order to boost the electric power output of rooftop PV power system, without expending on cooling the energy conversion devices. An experiment was carried out in which a metallic plate was attached to the back of a low rate rooftop PV installation to capture the waste heat of the PV array and evenly distribute the heat to the conversion devices. Four commercial thermoelectric generator (TEG) modules were attached to the plate for the conversion of the heat to electricity. The modules were passively cooled and connected in parallel. Outputs of the PV array and the TEG bundle were obtained on a data logger while the experiment lasted for 11 weeks during a sunny season in Nigeria. Voltage and current up to 2.5 V and 4 A, respectively, were obtained from the harvested heat, while the PV-TEG combination operated at higher efficiency than that of the PV alone. Potential of rooftop PV system in hot climates is thus maximized by the passive cooling. The approach could be improved further using metal plate with higher conductivity.

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Biomass Resources, Worldwide

Faaij¹

2018

Encyclopedia of Sustainability Science and Technology

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Small scale electricity generation from a portable biomass cookstove: Prototype design and preliminary results

Cited by 97 publications

References 19 publications

Field trial testing of an electricity-producing portable biomass cooking stove in rural Malawi

Field trial testing of an electricity-producing portable biomass cooking stove in rural Malawi

Small‐scale electricity generation through thermal harvesting in rooftop photovoltaic picogrid using passively cooled heat conversion devices

Biomass Resources, Worldwide

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