Additive Manufacturing of Stable Energy Storage Devices Using a Multinozzle Printing System

Meng Fanbo; Zhang Mingchang; Huang Jin; Lu Wen Feng; Xue Jun Min; Wang Hao

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Additive Manufacturing of Stable Energy Storage Devices Using a Multinozzle Printing System

机译：使用多孔印刷系统的稳定能量存储装置的添加剂制造

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The development of the Internet of things has prompted an exponential increase in the demand for flexible, wearable devices, thereby posing new challenges to their integration and conformalization. Additive manufacturing facilitates the fabrication of complex parts via a single integrated process. Herein, the development of a multinozzle, multimaterial printing device is reported. This device accommodates the various characteristics of printing materials, ensures high-capacity printing, and can accommodate a wide range of material viscosities from 0 to 1000 Cp. Complete capacitors, inclusive of the current collector, electrode, and electrolyte, can be printed without repeated clamping to complete the preheating, printing, and sintering processes. This method addresses the poor stability issue associated with printed electrode materials. Furthermore, after the intercalation of LiFePO4 with Na ions, X-ray photoelectron spectroscopy and X-ray diffraction results reveal that the Na ions permeate the interlayer structure of LiFePO4, enhancing the ion migration channels by increasing the ion transmission rate. A current rate of 2.5 mAh ensures 2000 charge/discharge cycles, while retaining a charge/discharge efficiency of 96% and a discharge capacity of 91.3 mAh g(-1). This manufacturing process can provide conformal power modules for a diverse range of portable devices with various shapes, improving space utilization.

机译：事物互联网的开发促使对灵活，可穿戴设备的需求的指数增加，从而对其集成和共同化构成了新的挑战。添加剂制造有助于通过单一综合方法制造复杂部件。这里，报道了多国外印刷装置的开发。该装置可容纳印刷材料的各种特性，可确保高容量打印，可容纳0至1000cc的宽范围的材料粘度。可以在没有重复夹紧的情况下印刷完整的电容器，包括集电极，电极和电解质，无需重复夹紧以完成预热，印刷和烧结过程。该方法解决了与印刷电极材料相关的稳定性问题差。此外，在用Na离子的LiFePO4插入之后，X射线光电子体光谱和X射线衍射结果表明，Na离子渗透了LiFePO4的层间结构，通过增加离子传输速率来增强离子迁移通道。电流速率为2.5 mAh确保> 2000充电/放电循环，同时保留96％的充电/放电效率，放电容量为91.3mAhg（-1）。该制造工艺可以为具有各种形状的多样便携式设备提供共形电源模块，提高空间利用率。

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来源
《Advanced Functional Materials》 |2021年第9期|2008280.1-2008280.9|共9页
作者
Meng Fanbo; Zhang Mingchang; Huang Jin; Lu Wen Feng; Xue Jun Min; Wang Hao;
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作者单位

Xidian Univ Mech & Elect Engn Xian 710071 Shaanxi Peoples R China;

Natl Univ Singapore Fac Engn Dept Mat Sci & Engn 9 Engn Dr 1 Singapore 117575 Singapore;

Xidian Univ Mech & Elect Engn Xian 710071 Shaanxi Peoples R China;

Natl Univ Singapore Fac Engn Dept Mech Engn 9 Engn Dr 1 Singapore 117575 Singapore;

Natl Univ Singapore Fac Engn Dept Mat Sci & Engn 9 Engn Dr 1 Singapore 117575 Singapore;

Natl Univ Singapore Fac Engn Dept Mech Engn 9 Engn Dr 1 Singapore 117575 Singapore;

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正文语种 eng
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关键词
additive manufacturing; multimaterial; flash sintering;

机译：添加剂制造;多国;闪蒸烧结;

Additive Manufacturing of Stable Energy Storage Devices Using a Multinozzle Printing System

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