Solar cycle paths: a bright idea for power generation
CategoriesSustainable News

Solar cycle paths: a bright idea for power generation

Spotted: In its first meeting, the UK’s Solar Taskforce highlighted the “untapped potential of commercial sites for solar.” What many commercial sites have in common is their provision of walkways and carparks for public use. Those areas, fitted into the space that is available, could be valuable producers of renewable energy, as demonstrated by an innovation created by French infrastructure construction company the Colas Group and INES, the French National Institute of Solar Energy. 

The organisations created a subsidiary, Wattway, to market a solar energy system that can be walked, biked, and driven on. Called the Wattway Pack, the turnkey system provides solar panels, an electrical storage cabinet, and a connection to a device needing power. 

The photovoltaic road surface requires nothing more than glue to attach it to paved areas, and the surface of the panels is treated with a solution to provide the same grip as a regular road. The Wattway Pack is modular and scalable, with PV panels available in packs of 3, 6, 9, and 12, and produces power ranging from 375 to 1,500 watts depending on the number of panels in use.   

In December, a new Wattway project was announced, in collaboration with Dutch construction company Royal BAM Group. There are over 35,000 kilometres of cycle paths across the Netherlands. The two companies hope to take advantage of that, and commissioned two cycle lanes, each 1,000 metres squared, across the North Brabant and North Holland provinces in the Netherlands. The goal is for the paths to generate at least 160 megawatt-hours of electricity for the Dutch grid in the first year, and the project will be overseen for the next five years. 

From solar-powered public transport vehicles to off-grid solar systems for disaster relief, Springwise’s library highlights a range of ways in which innovators are scaling down the size of renewable energy systems in order to scale up overall use and electricity production.

Written By: Keely Khoury

Reference

Studio MOM creates mycelium cycle helmet MyHelmet
CategoriesSustainable News

Studio MOM creates mycelium cycle helmet MyHelmet

Dutch design office Studio MOM has developed a bicycle helmet from biomaterials that, unlike polystyrene helmets, can be produced without fossils fuels and composted after use.

A specially developed form of mycelium – the fleshy root-like structure of a fungus – forms the main shell of MyHelmet, while the outer skin and strap are produced from a hemp textile.

MyHelmet mycelium helmet by Studio MOM
MyHelmet is made from mycelium and hemp

The result is a helmet that, according to Studio MOM, can be manufactured more sustainably and produces less waste after use.

“MyHelmet fits in with principles of the circular economy,” said the studio. “There are minimal CO2 emissions, it does not require any fossil raw materials and the end result is 100 per cent biodegradable.”

MyHelmet mycelium helmet by Studio MOM
The use of biomaterials makes the helmet compostable

Experts recommend replacing a helmet every three to five years, as the strength is likely to be reduced by the wear-and-tear of regular use.

However, most bicycle helmets are made from expanded polystyrene, or EPS, a form of plastic that is difficult to dispose of. It is non-biodegradable and harder to recycle after it has been glued to the other components of a helmet.

MyHelmet mycelium helmet by Studio MOM
Alessandra Sisti developed MyHelmet as a student graduation project

The MyHelmet design replaces the EPS with a mycelium that is cultivated on a diet of hemp flakes.

By briefly heating up this mycelium during the growing process, its structural makeup becomes similar to that of EPS; it becomes rigid, lightweight and has low thermal conductivity.

The natural layer structure of the mycelium also creates space for airflow, helping to keep the wearer’s head cool.

The process was developed by junior designer Alessandra Sisti as her graduation project from the Design and Engineering masters programme at Politecnico di Milano.

Sisti was able to further develop the design after joining Studio MOM, testing a wide range of material compositions to find the most effective solution.

Material sample for MyHelmet
Studio MOM has tested a wide range of material compositions

The various elements of the helmet are combined during the process. This allows the mycelium to bond with the hemp textile that forms the strap and outer skin, providing extra support and removing the need for glue.

Studio MOM has carried out a series of initial tests to ensure the product’s safety for use.

An FEM analysis of the product prototype allowed the designers to assess the shape, strength, rigidity and fatigue of the material. A simulation of the NTA standards test – the test which decides if a helmet complies with the requirements in the Dutch technical agreement – was also carried out, with “promising” results.

Production of Material sample for MyHelmet
Components are combined in the growing process, so no glue is needed

The project builds on Studio MOM’s experience with sustainable mobility products.

The Arnhem-based office has designed a series of bicycles, including an electric cargo bike powered by a hydrogen battery, the LAVO Bike.

Studio MOM founder Mars Holwerda is now hoping to find partners to help the studio develop the design from a prototype to a commercial product.

Renders of MyHelmet by Alessandra Sisti
Mycelium forms the bulk, while the outer skin and strap are a hemp textile

“By developing a new process, we have taken a considerable step towards using mycelium bio-manufacturing on an industrial scale,” he said.

“The bicycle industry now has something at its disposal to stop the endless stream of harmful, systematic plastic and EPS waste. But we are not there yet. Who is in?”

Mycelium is increasingly being utilised across the architecture, design and fashion industries.

Other uses include as leather in a Stella McCartney fashion collection, as the walls of a Dutch Design Week pavilion and as the material for a Sebastian Cox lighting collection.

Reference