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Energy storage in multifunctional structural composite material

Country of Origin: Spain
Reference Number: TOES20190530001
Publication Date: 24 June 2019

Summary

A non-profit Spanish research institute from Madrid has developed a laminar composite material simultaneously having excellent structural properties and high energy storage efficiency. The cooperation types are license and research cooperation agreements, preferably with companies in the automotive and aviation fields.

Description

This innovative composite material is based on a polymer electrolyte arranged between carbon nanotube fiber sheets as interleaves, which in turn are interleaved between outer sheets having mechanical strength properties, forming together a laminated composite structure.

The internal structure formed by the polymer electrolyte arranged between carbon nanotube fiber sheets provides high energy storage capacity to the material, while at the same time allows improving adhesion between sheets and material toughness, as well as resistance to delamination. Said internal structure, therefore, allows replacing the webs or thin interleaves between structural sheets used in the state of the art, while also incorporating an additional functionality in the composite material.

The combinations of these properties enable using this multifunctional composite material as a structural component in the automotive and aeronautics fields, in portable electric and/or electronic devices, microelectronics, robotics, tools, energy generating systems (wind energy generating systems, photovoltaic energy generating systems, etc...) coupled to batteries, in cranes and construction equipment, in the textile/footwear industry, in home appliances.



They are searching for potential partners from the automotive and aeronautics fields to establish license agreements, preferably industry, but they are also open to academic and other research organization for research cooperation agreements.

Advantages and Innovations

-Excellent structural properties: shear modulus of 895 MPa (megapascal), flexural modulus of 60 GPa (gigapascal) and a flexural strength of 153 MPa

- High energy storage efficiency: Operation at 1 – 3 V, long cycling > 10000

- Cost-effective manufacturing: Compatible with roll-to-roll

- Safety: Non-flamable (LOI 42) (Limiting Oxygen Indexes)

Stage Of Development

Prototype available for demonstration

Stage Of Development Comment

First proofs-of-concept: 

-Structural capacitor. Demonstrator (see images attached)

-Currently working in the development of structural batteries, particularly for the transport sector.

Requested partner

The research center is searching for potential partners from  the automotive and areronautics fields to establish  license  agreements, preferably industry, but they are also open to academic and other research organisation for research cooperation agreements.