期刊
ADVANCED ENERGY MATERIALS
卷 9, 期 11, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201803019
关键词
3D printing; additive manufacturing; advanced materials; batteries; energy
类别
资金
- Engineering and Physical Sciences Research Council [EP/N001877/1]
- European Regional Development Fund
- EPSRC [EP/N001877/1] Funding Source: UKRI
The first entirely AM/3D-printed sodium-ion (full-cell) battery is reported herein, presenting a paradigm shift in the design and prototyping of energy-storage architectures. AM/3D-printing compatible composite materials are developed for the first time, integrating the active materials NaMnO2 and TiO2 within a porous supporting material, before being AM/3D-printed into a proof-of-concept model based upon the basic geometry of commercially existing AA battery designs. The freestanding and completely AM/3D-fabricated device demonstrates a respectable performance of 84.3 mAh g(-1) with a current density of 8.43 mA g(-1); note that the structure is typically comprised of 80% thermoplastic, but yet, still works and functions as an energy-storage platform. The AM/3D-fabricated device is critically benchmarked against a battery developed using the same active materials, but fabricated via a traditional manufacturing method utilizing an ink-based/doctor-bladed methodology, which is found to exhibit a specific capacity of 98.9 mAh m(-2) (116.35 mAh g(-1)). The fabrication of fully AM/3D-printed energy-storage architectures compares favorably with traditional approaches, with the former providing a new direction in battery manufacturing. This work represents a paradigm shift in the technological and design considerations in battery and energy-storage architectures.
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