Sustainable OneWorld Technologies (SOWTech)
SOWTech’s eCookstove is a cook stove that uses solar power as energy for cooking.
The eCookstove is a cook stove which is based on phase change materials and employs solar power for household cooking in rural communities. This product is designed by Sustainable OneWorld Technologies (SOWTech), located in the UK. As of 2021, the product is in the prototyping stage.
A prototype of this product was built and tested in Malawi and is intended for use by rural communities in Sub-Saharan Africa.
Competitors include: ACE-1 Ultra Clean Biomass Cookstove, GoSun Solar Cooker Sport, among others.
Goal 7: Affordable and clean energy
Target users are middle-income (and above) families residing in rural communities within Sub-Saharan Africa.
Whether the stove is forced draft or passive
The power output of the cooker
The maximum temperature the stove can reach
The capacity of the pot the stove can accommodate
The volume of the oven
The pot type(s) the stove accommodates
The amount of time it takes to bring XL of water to a boil; Format: X mins per X L
The eCookstove consists of phase change material (PCM) to store heat, an insulated box to house the PCM to prevent heat loss, resistive wires for heating, and a Power Optimisation Device (POD) to control power drawn from the photovoltaic (PV) panel. The PCM melts and the heat generated is transferred to the hotplate.
The designers aim to reduce reliance on wood fuel during cooking with a low-cost alternative that is acceptable to rural communities.
Testing performed by the manufacturer demonstrated that sufficient heat was provided for slow cooking, but did not reach boiling temperatures. The hotplate temperature reached 97°C three hours after the heater was turned off, and remained above 70°C approximately 19 hours later.
No third-party organizations, only a prototype of this product was built and tested by the manufacturer in Malawi.
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