![]() ![]() ![]() Generally, there are few steps in making a plaster mould. For a hollow cast mould, once the plaster has absorbed most of the liquid from the outside layer of the clay, the remaining slip is poured off for later use. A liquid clay body slip is poured into plaster moulds and allowed to form a layer, the cast, on the inside cavity of the mould. Slipcasting is a technique for the mass-production of pottery and ceramics. The first elements were made to see if the method of slip clay casting works. This clay absorbs water so that the system could be passive receiving water from rain where hydrogel retains liquid for a long period of time. Inside the brick, the bottom part is glazed to make it waterproof and the rest is a porous clay without a coating. After 1 month, moss grew through the mixture of carbon fibre and hydrogel.īricks represent a sort of container that can create a special microclimate which helps to keep moss alive. For this, fibres with polyacrylate were mixed and moss was placed atop and pressed down plus, the moss was divided into small pieces and distributed over the same mixture. Meanwhile, “moss plantation” was set up wherefrom anode would be taken for embedding into the structure. One unit 100x100mm for the anode was mixed carbon fibres and hydrogel in cubes (sliced for thinner, smaller sheets) and a layer of carbon fabric, the mixture was covered with moss. The materials are not damaging any metabolism, thus the first tests to check how the fibres coexist with moss and polyacrylate were made. A hydrogel is a polymer that can absorb water up to 400 times to its weight, it keeps complementary humidity for the moss and it is pH neutral. The anode represents the mixture of hydrogel and carbon fibres that help to attract the electrons. ![]() It consists of the anodic biological material (moss), the anode, the cathode, the cathodic catalyst, the “salt bridge” that permit the positive charge (generally protons) to travel from the anodic biological material to the cathode. A unit is a fully operating bio-electrical system. Furthermore, BPV panels can exist in the places where solar panels are not efficient – northern countries with the lack of direct sunlight for example.Ī biophotovoltaic cell represents an organisation of units combined in series or parallel circuits. The manufacturing process is harmless to the environment. Advantages of mosses over higher plants include reduced weight loads, increased water absorption, no fertilizer requirements, high drought tolerance and low maintenance.Ĭompared with silicon-based photovoltaic cells, a solar cell that uses biological material to capture light energy would be cheaper to produce, self-repairing, self-replicating, biodegradable and much more sustainable. As mosses are commonly found in cities, in cracks between paving, on roofs, on walls and trees, the system can be well adapted to the urban environment. The system can work with other species of plants and algae, nevertheless, moss was chosen because of its eligible properties. Fabricademy BCN, Textile & Technology Academy.MDDI – Master in Design for Distributed Innovation.Master in Advanced Ecological Buildings.Master in Robotics and Advanced Construction.Master in Design for Distributed Innovation.Fabricademy BCN - Textile & Technology Academy.Postgraduate Diploma in Fab Academy BCN.3DPA - Postgraduate in 3D Printing Architecture.Maestría Online en Ciudades: El Urbanismo Próximo.Master in Advanced Computation for Architecture & Design.Master in Robotics & Advanced Construction.Master in Advanced Ecological Buildings & Biocities. ![]()
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