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Energy for Smart Objects

Periodic Reporting for period 4 - EnSO (Energy for Smart Objects)

Reporting period: 2019-01-01 to 2020-04-30

The goal of EnSO was to develop and consolidate a unique European ecosystem in the field of autonomous micro energy sources supporting Electronic European industry to develop innovative products, in particular in IoT markets.
EnSO objectives are:
• Obj 1: demonstrate the competitiveness of EnSO energy solutions for powering the autonomous Smart Objects of the targeted key applications.
• Obj 2: disseminate EnSO energy solutions with easy to use demonstration kits, and support autonomous smart objects prototyping in a large number of use cases, to foster the take-up of emerging markets.
• Obj 3: develop high reliability assembly technologies of shapeable micro batteries, energy harvester and power conditioning building blocks for Autonomous Micro Energy Sources “AMES”.
• Obj 4: develop and demonstrate very high capacity and very high density, low profile, shapeable, long life time, rechargeable micro battery product family.
• Obj 5: develop customizable smart recharge and energy harvesting enabling technologies with adequate power conditioner IP blocks for Autonomous Micro Energy Source “AMES”.
• Obj 6: demonstrate and evaluate the AMES design and manufacturing capability based on generic key enabling building blocks (storage, harvesting and power conditioning) for smart autonomous micro-systems.
EnSO will bring to market innovative Autonomous Micro Energy Sources (AMES, see figure attached) that will bring definitive differentiation to the autonomous smart systems of the targeted applications.
Main results achieved are:

Obj1/2: All the WP6 partners have been fully committed to finalize the demonstrators using complete AMES or specific EnSO building blocks for all the use cases and to validate performances through field test experiments. Each product or technology building block has been evaluated in terms of added value brought to the market compared to state of the art available technologies. Innovation radar tool has been used to propose a common methodology to each partner. Go to market strategy has also been developed by each partner. Several videos have also been produced, mainly on demonstrators but also on technological building blocks or pilot line.
Obj3: The pilot line dedicated to assembly was extended based on battery placement using ACF technology. Also, new inks were formulated by and tested on Meyer Burger’s equipment. Development anew technology of flexible interposer has been done leading to very nice results.
Obj4: Two energy storage components were developped to fit with the different applications. Product based on wet deposition processes were developped for high capacity batteries with less constraints on volume and manufacturing costs. In parallel, EnSO technology based on PVD process has been confirmed as a good route for miniaturized medical applications. Silicon has definitely been chosen as a substrate. Specific building blocks (interconnection via in silicon with a process compatible with thin film manufacturing process, and hermetical sealing) were developed.
Obj5: Several energy Harvesting technologies have been developped to fit with the different applications requirements. Optimization and miniaturization the different harvesting modules, combine it with appropriate power management circuits have been realized. Integration in prototypes and demonstrator lead to intersting feedback for technological improvment.
Obj6: 4 versions of AMES have been designed and manufactured during the whole project leading to a continuous upgrade process. Last generation of AMES (Version 4) was designed and manufactured. This generation was optimized based on all the feedbacks received from end users based on the previous versions (Battery over discharge disconnection threshold ; Floating Voltage ; Charge current ; Shelf mode ; impedance matching). This was mainly done by upgrade of the design.
EnSO AMES generic building block technologies will be customizable (choice of rechargeable micro battery product family, choice of harvesting technology and power conditioners IP blocks, shapeable and conformable/flexible low profile packaging). As large volume market segments are targeted, EnSO manufacturing challenges will develop high throughput processes that will be versatile enough to produce at the targeted competitive cost customized AMES.
EnSO progress beyond State of the Art are:
Obj1: Provide the end users of EnSO with a “sustainable competitiveness tool box”, which will enable them to determine the balance criteria between cost, use case and value perception. In other words, EnSO will respond to a need (use case) by bringing value (value perception) at the proper price level (cost).
Obj 2: Develop several AMES boards using different types of energy harvestings, smart recharge circuits, rechargeable solid state batteries and power conditioning IC’s. This development platform includes all the test boards needed to develop rapidly a microsystem (Microcontroller, radio IC, Sensor, power conditioner, etc...) and can be built as fast and simple as “a Lego game “.
Obj 3: Go beyond the current state of the art by developing an AMES module and the underlying integration technologies that is ready for industrial manufacturing and use in real end products. It will fully integrated advanced thin and flexible Printed Electronics (PE) AMES modules.
Obj 4: Reach TRL8 qualification of micro batteries that fulfil the requirements of EnSo End Users partners.
Obj 5: Focus development efforts on thermoelectric, photovoltaic and piezoelectric approaches, aiming to demonstrate industrial feasibilities through demonstrator making and cost-effective process development.
Obj 6: Align various key enabling building blocks specifications, in order to serve a maximum of Smart Objects requirements with a minimum set of manufacturing routes. Then, EnSO project will evaluate the AMES volume manufacturing capability, in terms of devices performances (capacity, reliability) as well as industrial performances (testability, yield, throughput and cost).
To achieve this objective, EnSO will combine the advanced industrial relevant capabilities of the pilot lines in the scope of the project: micro battery pilot line, PV pilot line, thermal harvester pilot line, mechanical harvester pilot line, printed substrate pilot line, heterogeneous assembly pilot line.

3 direct key impact areas are foreseen in developing this European eco system:
- Exploitation of new materials and equipment,
- Exploitation of solid state micro batteries, energy harvesting, smart wireless charging technologies and AMES,
- Exploitation of Smart Object in several key application areas (Smart Society (secure authentication wearable and display card, supported by GEMALTO, electronic Seal and meter supervisor, supported by GNF, smart lock, supported by OJMAR, and wearable sensor, supported by EVALAN) , Smart Health (smart eyewear, supported by OPHTIMALIA, hearing aids, supported by GNHEARING, chronic diseases management sensor, supported by Maastricht Instruments and bruxisme treatment splint supported by Maastricht University), Smart Mobility and Smart Production key applications (indoor localisation and navigation support, supported by AED engineering, autonomous sensor nodes, supported by AIRBUS, industrial asset monitoring, supported by EDITAG, autonomous condition monitoring for bearings supported by SKF and people & objects tracking supported by ALPWISE).