Towards smart free form-factor 3D printable batteries

Heftsi Ragones, Svetlana Menkin, Yosi Kamir, Alex Gladkikh, Tzach Mukra, Gabor Kosa, Diana Golodnitsky*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Continuous novelty as the basis for creative advance in rapidly developing different form-factor microelectronic devices requires seamless integrability of batteries. Thus, in the past decade, along with developments in battery materials, the focus has been shifting more and more towards innovative fabrication processes, unconventional configurations, and designs with multi-functional components. We present here, for the first time, a novel concept and feasibility study of a 3D-microbattery printed by fused-filament fabrication (FFF). The reversible electrochemical cycling of 3D printed lithium iron phosphate (LFP) and lithium titanate (LTO) composite polymer electrodes vs. the lithium metal anode has been demonstrated in cells containing conventional non-aqueous and ionic-liquid electrolytes. We believe that by using comprehensively structured interlaced electrode networks it would be possible not only to fabricate free form-factor batteries but also to alleviate the continuous volume changes occurring during charge and discharge.

Original languageEnglish
Pages (from-to)1542-1549
Number of pages8
JournalSustainable Energy and Fuels
Issue number7
StatePublished - 2018


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