Self‐Converted Scaffold Enables Dendrite‐Free and Long‐Life Zn‐Ion Batteries

Jihun Kim; Joon Kyo Seo; Jinju Song; Sunghun Choi; Junsu Park; Hyeonghun Park; Jeonghwan Song; Jae‐Hyun Noh; Gwangeon Oh; Min Ho Seo; Hyeonseo Lee; Jong Min Lee; Il‐Chan Jang; Jaekook Kim; Hyeong‐Jin Kim; Jiyoung Ma; Jaephil Cho; Jung‐Je Woo

doi:10.1002/aenm.202401820

journal article·2024-08Open access

Self‐Converted Scaffold Enables Dendrite‐Free and Long‐Life Zn‐Ion Batteries

Jihun Kim, Joon Kyo Seo, Jinju Song, Sunghun Choi, Junsu Park, Hyeonghun Park, Jeonghwan Song, Jae‐Hyun Noh, Gwangeon Oh, Min Ho Seo, Hyeonseo Lee, Jong Min Lee, Il‐Chan Jang, Jaekook Kim, Hyeong‐Jin Kim, Jiyoung Ma, Jaephil Cho, Jung‐Je Woo

Advanced Energy Materials· Volume 14· Issue 32

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Source abstract

Abstract

Abstract Zn‐ion batteries are fascinating owing to their inherent safety and high theoretical capacity. However, dendrite‐free growth is challenging, limiting highly stable plating for long‐life batteries. Herein, a new, conceptual ultra‐stable self‐converted scaffold (SCS) Zn anode is reported that enables dendrite‐free plating by guiding the deposition of Zn to specific areas. The SCS is naturally transformed from a zincophilic yet resistive nucleation seed. As a sufficient amount of Zn is plated onto these nucleation seeds, they undergo self‐conversion into a resistive scaffold, thereby losing their Zn affinity, and effectively directing the Zn plating toward the less resistive basal plane by repelling the electrons. The unique electrode demonstrates exceptional stability, effectively controlling dendrite‐free growth for thicknesses of up to 120 µm even in open‐plating environments with an impressive areal capacity of 60 mAh cm⁻². Moreover, in full cell configuration, the SCS shows a superior long cycle‐life of 3000 cycles. The newly discovered dendrite‐free plating mechanism is also demonstrated.

Source: crossref · Quality: baseline

Research context

Energy storage Materials processing

OpenAlex topics: Advanced battery technologies research · Advanced Battery Materials and Technologies · Advanced Battery Technologies Research

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

Affiliations

Gwangju Clean Energy Research Center Korea Institute of Energy Research (KIER) 270‐25 Samso‐ro Gwangju 61003 Republic of Korea

Graduate School of Energy Convergence Gwangju Institute of Science and Technology (GIST) 123 Cheomdangwagi‐ro, Buk‐gu Gwangju 61005 Republic of Korea

School of Mechanical Engineering Kunsan National University 558, Daehak‐ro, Gunsan‐si Jeonbuk‐do Republic of Korea

Department of Materials Science and Engineering Chonnam National University 77 Yongbong‐ro, Buk‐gu Gwangju 61186 Republic of Korea

Department of Nanotechnology Engineering Pukyoung National University 45 Yongso‐ro Nam‐gu Busan 48547 Republic of Korea

Fuel Cell Research & Demonstration Center Korea Institute of Energy Research Buan‐gun Jellabuk‐do Republic of Korea

Department of Energy Engineering School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology (UNIST) Ulsan 8252 Republic of Korea

Funding

Korea Institute of Energy Technology Evaluation and Planning · Korea Institute of Energy Research

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