Next-Generation Additive Manufacturing of Complete Standalone Sodium-Ion Energy Storage Architectures
Next-Generation Additive Manufacturing of Complete Standalone Sodium-Ion Energy Storage Architectures
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DOI：
10.1002/aenm.201803019
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发表时间：
2019-03-01
影响因子：
27.8
通讯作者：
Banks, Craig E.
中科院分区：
文献类型：
--
作者：
Down, Michael P.;Martinez-Perinan, Emiliano;Banks, Craig E.
这里报道了第一个完全采用AM/3D打印的钠离子(全电池)电池，这代表了储能结构设计和原型的范式转变。首次开发了AM/3D打印兼容复合材料，将活性材料NaMnO2和二氧化钛集成在多孔支撑材料中，然后根据商业现有AA电池设计的基本几何形状，将AM/3D打印成概念验证模型。这种独立式、完全由AM/3D制造的器件显示出84.3 mAhg(-1)的可观性能，电流密度为8.43 mAg(-1)；请注意，该结构通常由80%的热塑性塑料组成，但仍可用作储能平台。AM/3D制造的器件与使用相同活性材料开发的电池进行了关键的基准比较，但通过使用墨水基/医生刀片方法的传统制造方法制造，发现其比容量为98.9mAhm(-2)(116.35 mAhg(-1))。与传统方法相比，全AM/3D打印储能结构的制造具有优势，前者为电池制造提供了一个新的方向。这项工作代表了电池和储能体系结构中技术和设计考虑的范式转变。
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.