多材料打印仿生离子凝胶电池研究

doi:10.3901/JME.2021.05.196

机械工程学报 ›› 2021, Vol. 57 ›› Issue (5): 196-204.doi: 10.3901/JME.2021.05.196

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多材料打印仿生离子凝胶电池研究

贺佩^1,2, 霍子瑶^1,2, 贺健康^1,2, 冯帆^1,2, 朱子才³, 李涤尘^1,2

1. 西安交通大学机械制造系统工程国家重点实验室西安 710049;
2. 陕西省快速制造工程研究中心西安 710049;
3. 西安交通大学机械强度与振动国家重点实验室西安 710049

收稿日期:2020-04-10 修回日期:2020-12-05 出版日期:2021-03-05 发布日期:2021-04-28
通讯作者: 贺健康(通信作者),男,1981年出生,博士,教授,博士研究生导师。主要研究方向为微纳3D打印和生物3D打印。E-mail:jiangkanghe@mail.xjtu.edu.cn
作者简介:贺佩,女,1993年出生,博士研究生。主要研究方向为生物3D打印和仿生发电技术。E-mail:hepei003@stu.xjtu.edu.cn
基金资助:
国家重点研究发展计划（2018YFA0703000）、国家自然科学基金（51675412）、陕西省重点研发计划（2020GXLH-Y-021）、陕西省高校青年创新团队和中央高校基本科研业务费资助项目。

Biomimetic Ionic Gel battery Based on Multi-material Printing

HE Pei^1,2, HUO Ziyao^1,2, HE Jiankang^1,2, FENG Fan^1,2, ZHU Zicai³, LI Dichen^1,2

1. State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an 710049;
2. Rapid Manufacturing Research Center of Shaanxi Province, Xi'an Jiaotong University, Xi'an 710049;
3. State Key Laboratory of Mechanical Structural Strength and Vibration, Xi'an Jiaotong University, Xi'an 710049

Received:2020-04-10 Revised:2020-12-05 Online:2021-03-05 Published:2021-04-28

摘要/Abstract

摘要： 基于电鳗发电机理，研究了利用四通道微流控喷头制备仿生离子凝胶电池的多材料打印方法。设计了具有阵列凹槽结构的柔性接收基底以保证凝胶电池颗粒的形态和相对位置，研究了凝胶电池单元的发电性能，发现电池单元大小对凝胶电池单元输出电压影响不大，而输出电压随着凝胶电池单元串联个数增加呈线性增长规律；基于此建立了凝胶电池单元尺寸为2.0 mm的大面积仿生离子凝胶电池的“S型”串联排布设计与多材料打印工艺方法，实现了127个凝胶电池单元的一体化打印与精确组装；研究了仿生离子凝胶电池的电压输出特性，发现制备的仿生离子凝胶电池输出的开路电压可达（10.53±1.11）V，连续放电6小时后电压衰减至初始电压的35.6%；验证了多材料打印的仿生离子凝胶电池用于驱动电致变形柔性（Ionic polymer-mental composite，IPMC）结构的可行性。该研究探索有望为电致动软体机器人领域的柔性仿生能源供给提供一种新策略。

关键词: 多材料打印, 离子凝胶电池, 微流控喷头, 仿生电池, 电活性材料

Abstract: Four-channel microfluidic printhead is presented to print multi-material biomimetic ionic gel battery based on the electric generation mechanism of natural electric eels. Flexible substrates with pre-defined groove array are designed to precisely ensure the shape and relative position of each gel particle in the battery system. The power generation performance of gel battery unit is investigated which indicated that the size of single gel particle has little effect on the output voltage, which linearly increased as the number of gel battery unit increased. A biomimetic ionic gel battery containing 127 gel battery units with gel particle size of 2.0 millimeter were designed and successfully printed in a "S-shaped" sequential connection. The maximum voltage output of the resultant ionic gel battery is measured as 10.15±1.65 Volts, which decreased to 35.6% after 6 hours of continuous discharge. The multi-material printed bionic ion gel battery was successfully utilized to drive the bending of the electroactive IPMC (Ionic polymer-mental composite) actuators. It is envisioned that this exploration might provide an innovative and promising strategy for soft power supply and flexible actuation in such applications as electrically-driven soft robots.

Key words: multi-material printing, ionic gel battery, microfluidic printhead, biomimetic power source, electroactive material

中图分类号:

TH164

贺佩, 霍子瑶, 贺健康, 冯帆, 朱子才, 李涤尘. 多材料打印仿生离子凝胶电池研究[J]. 机械工程学报, 2021, 57(5): 196-204.

HE Pei, HUO Ziyao, HE Jiankang, FENG Fan, ZHU Zicai, LI Dichen. Biomimetic Ionic Gel battery Based on Multi-material Printing[J]. Journal of Mechanical Engineering, 2021, 57(5): 196-204.

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多材料打印仿生离子凝胶电池研究

Biomimetic Ionic Gel battery Based on Multi-material Printing

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