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수계 아연 금속 전지용 아연 분말 기반 복합음극 안정화 기술 개발

Title
수계 아연 금속 전지용 아연 분말 기반 복합음극 안정화 기술 개발
Alternative Title
Stabilizing Zinc-powder Based Composite Anode for Aqueous Zinc Metal Batteries Material Using Pulse Method Process
Author(s)
고혜정도병현송우진장우석조해진이재호한재웅이홍경
Issued Date
2023-07
Citation
한국전지학회지, v.3, no.1, pp.57 - 65
Type
Article
Author Keywords
아연 분말 음극Zn powder anode electrochemical parameter바인더Aqueous Zn ion batteries (AZIB)수계 아연 전지BinderConductive agent도전재
ISSN
1976-7285
Abstract
아연 분말 기반 음극 소재의 도입을 통한 비발화, 유효 전류 밀도 감소, 높은 가공 특성의 차세대 전지 를 구현할 수 있으나, 전극 제조법 및 소재에서의 최적화 연구가 전무하다. 본 연구에서는 다양한 도전재와 바 인더를 도입하여 수계 아연 전지용 아연 분말 기반의 복합 음극 안정화 및 최적 효율과 구조적 안정성을 가 진 아연 분말 기반 음극 제조법을 확립하였다.

Aqueous zinc (Zn) ion batteries (AZIB) has various advantages compared to other metal-based batteriessuch as high gravimetric capacity, low reduction potential, and intrinsic safety. Furthermore, Zn powdershows more flexible processing technology and lower current density due to its large surface area. However,because Zn powder has problems with uncontrolled dendrite growth, corrosion, and hydrogen evolution reaction(HER), indicating that improvements of the performance and the stability are still limited. To solve theproblem, this study searches the best method for stabilizing aqueous Zn powder battery anode by adjusting conductiveagents and binders, which have appropriate hydrophilicity and hydrophobicity to maintain the stabilityof electrode. Therefore, the possibility of Zn powder composite electrode as anode was confirmed for the nextgenerationenergy storage systems (ESSs) batteries.
URI
http://hdl.handle.net/20.500.11750/56673
DOI
10.53619/KOBS.2023.6.3.1.57
Publisher
한국전지학회
Related Researcher
  • 이홍경 Lee, Hongkyung
  • Research Interests Batteries; Electrochemistry; Interfaces
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Department of Energy Science and Engineering Electrochemical Materials & Devices Laboratory 1. Journal Articles

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