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Development of functional electric device, electric double layer capcitor (EDLC) for the wise use of woody resources

开发功能性电子器件、双电层电容器（EDLC），以实现木质资源的合理利用

基本信息

批准号：
19J22306
负责人：
PAKKANG Nutthira
金额：
$ 1.98万
依托单位：
Hokkaido University
依托单位国家：
日本
项目类别：
Grant-in-Aid for JSPS Fellows
财政年份：
2019
资助国家：
日本
起止时间：
2019-04-25 至 2022-03-31
项目状态：
已结题

项目摘要

1. Development of electrolytes from fatty acids of vegetable oilsLinoleic acid was shown to be more suited for usage as electrolytes in both the cation and anion parts than electrolytes made from ricinoleic acid, since the linoleic acid-based electrolytes demonstrated a lower viscosity and a higher conductivity. However, due to its high viscosity, its EDLC capacitance remained low. Propylene carbonate (PC) was added to the electrolytes to lower their viscosity. As expected, an increase in the capacitance of the EDLC was found.2. Development of EDLC parts, electrode and separator, from hardwood kraft lignin (HKL)From an electrospun HKL fiber mat, a separator as tHKL separator and two types of electrodes (mat type and power type) can be made. The EDLC was fabricated using a mat type of electrode and a tHKL separator and demonstrated remarkable energy and power densities. Although a powder type electrode requires a casting method to prepare, its EDLC demonstrated excellent electrochemical performance, extremely high power density, low resistances, and good capacitance stability, which were attributed to the powder type electrode's smooth surface and the resulting good contact with the separator.

1.用植物油脂肪酸开发电解质亚油酸比蓖麻油酸电解质更适合用作阳离子和阴离子部分的电解质，因为基于亚油酸的电解质表现出较低的粘度和较高的电导率。然而，由于其高粘度，其EDLC电容仍然较低。将碳酸丙烯酯（PC）添加到电解质中以降低其粘度。正如预期的那样，EDLC 的电容有所增加。2．使用硬木牛皮纸木质素 (HKL) 开发 EDLC 部件、电极和隔膜从静电纺丝 HKL 纤维垫中，可以制成 tHKL 隔膜的隔膜和两种类型的电极（垫型和功率型）。 EDLC 使用垫式电极和 tHKL 隔膜制造，并表现出卓越的能量和功率密度。虽然粉末型电极需要通过铸造方法来制备，但其EDLC表现出优异的电化学性能、极高的功率密度、低电阻和良好的电容稳定性，这归因于粉末型电极的光滑表面以及由此与隔膜的良好接触。

项目成果

期刊论文数量（5）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

lectric double layer capacitor assembly with mainly lignin-based materials

主要采用木质素基材料的双电层电容器组件

DOI：
发表时间：
2020
期刊：
影响因子：
0
作者：
Yokoyama Gaku;Yasutake Daisuke;Minami Keisuke;Kimura Kensuke;Marui Atsushi;Yueru Wu;Feng Jiaojiao;Wang Weizhen;Mori Makito;Kitano Masaharu;Nutthira Pakkang
通讯作者：
Nutthira Pakkang

Kraft lignin-based materials for electric double layer capacitor

用于双电层电容器的硫酸盐木质素基材料