B-ME: Bio-based Materials for Energy

# Record card
Thematic areas
ICT & Electronics
ICT & Electronics / Sensor/multi-sensor technology, instrumentation
ICT & Electronics / Internet of Things
ICT & Electronics / Nanotechnologies related to electronics and microelectronics
ICT & Electronics / Electronics and microelectronics
Materials / Photo-active & graphene-based materials
Materials / Semiconductors and Superconductors
Materials / Composite and hybrid materials
Materials / Plastics, polymers
Chemicals & Physics
Chemicals & Physics / Micro and nanotechnology related to physical, chemical and exact sciences
Chemicals & Physics / Plastics & rubber
Chemicals & Physics / Special chemicals
Energy and environmental sustainability
Energy and environmental sustainability / Renewable sources
Energy and environmental sustainability / Energy storage and transport
Energy and environmental sustainability / Energy production, transmission and conversion
Energy and environmental sustainability / Pollution treatment (air, soil, water)
Energy and environmental sustainability / Environmental engineering/technologies
Energy and environmental sustainability / Wearable technologies
Energy and environmental sustainability / Sensory
Additive and advanced industrial manufacturing
Additive and advanced industrial manufacturing / Additive manufacturing processes and materials

B-ME developed the first thermoplastic composite electrode film based on bio-derived and biodegradable polyesters and carbon nano-fibers. It is metal-free, highly electrically conductive and possess good thermo-mechanical properties, a challenging combination of three features in a single product. This is the first-of-its-kind product, as, to the best of our knowledge, no thermoplastic biobased electrode film has been effectively produced and used so far. Our preliminary tests were made on 40 cm2 film electrodes, used for electrochemical measures in supercapacitors application, showing stability in acidic electrolyte over +1000 charge-discharge cycles. The application in battery and supercapacitor devices, already preliminarily demonstrated, will allow to substantially decrease the environmental impact of the current raw materials and fabrication processes. Besides sustainability these electrodes are lighter and more stable against corrosion with respect to metal counterparts.

Business fields
Type of innovation
Product innovation
Process innovation
Description of innovative features / Competitive advantages

Currently electrochemical energy storage devices rely on metal foil electrodes with aluminum or copper in the easiest configurations. When advanced devices are fabricated (e.g. bipolar plates, aqueous supercapacitors) these electrodes, beyond low sustainability, high weight (density of Al 2.7 and Cu 8.9 vs. ca. 1.5 g/cm3 for carbon composites) and supply issues, are technically challenged by the chemical reactions (e.g. corrosion, oxidation, alloying) occurring at metal interfaces. Carbon electrodes are a desired solution to all these challenges, but their fabrication can be quite complex and material-specific, and their surface inertness often causes poor electrochemical responses. This led to no or limited practical use of carbon electrode foils in commercial energy storage devices. We believe that our product will represent a breakthrough providing a versatile platform product, lightweight, bio-based and metal-free, both electrochemically stable and with an improved response.

Reference market
Incremental innovation
Impacts on existing markets
Development stage
New product/process/service/technology
Product/process/service/technology optimization
Patentable technology
Patented technology
Publication of technology
Technology validation/demonstration
Internal validation
Market positioning
Partner required
Public research center/university
Seed capital
Cooperation in national /european / international project

For more information and/or to be put in contact with the Research Team, please contact the Project Manager:

Barbara Angelini - Project Manager
CNR - Unità Valorizzazione della Ricerca
Phone number 06.49932415
E-mail barbara.angelini@cnr.it