journal article·2022-05-11

Fabrication of Single-Particle Microelectrodes and Their Electrochemical Properties

Yuanyuan Ren, Limin Liu, Zhen Wang, De Li, Yong Chen

ACS Applied Materials & Interfaces· Volume 14· Issue 18
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Abstract

Compared with traditional centimeter-level electrodes, microelectrodes exhibit a small reaction area, high sensitivity, fast mass transfer rate, and low polarization current. However, current microelectrode preparation processes are very complicated and costly. Herein, we proposed a facile and universal method for fabricating single-particle microelectrodes. In the precursor solution, polyvinyl alcohol and ammonia were introduced as the polymeric binder and pore-forming agent, respectively. Through spaying-drying-sintering processes, the single-particle microelectrodes were successfully prepared for Li4Ti5O12 (LTO), LiCrTiO4 (LCTO), and LiFePO4/C (LFP/C), which showed excellent electrochemical properties. Furthermore, the single-particle microelectrode can be adopted to study the electrochemical oscillations of Li-ion batteries and assemble a full-cell microbattery as a potential next-generation microscale power source.
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Research context

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Supercapacitor Materials and Fabrication

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Marine Resource Utilization in South China Sea, Key Laboratory of Research on Utilization of Si-Zr-Ti Resources of Hainan Province, School of Materials Science and Engineering, Hainan University, Haikou 570228, China

Guangdong Key Laboratory for Hydrogen Energy Technologies; School of Materials Science and Hydrogen Energy, Foshan University, Foshan 528000, China

Funding

Key Research and Development Project of Hainan Province · Natural Science Foundation of Hainan Province · Hainan University · National Natural Science Foundation of China · Graduate Innovation Research Project of Hainan · Guangdong Key Laboratory for Hydrogen Energy Technologies · Guangdong Province

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