DataVXAdvanced SciencePaper
journal article·2025-08Open access

High‐Performance Rechargeable Lithium‐Chlorine Batteries with ALD Conformal Starburst Porous Graphene Positive Electrodes

Zhuo Yang, Yanan Huang, Weicheng Zhou, Hong Fan, Zhihao Ding, Xu Yan, Yu Lu, Alexander S. Sigov, Wei Huang, Lijun Gao, Cheng Huang

Advanced Science· Volume 12· Issue 30
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Abstract

Abstract Rechargeable alkali metal‐chlorine batteries are emerging as a promising high‐energy‐density solution. However, they confront significant challenges, including the primary issue stemming from the weak binding affinity of cathode materials for Cl 2 , which leads to a sluggish and inadequate supply of Cl 2 during the redox reactions, resulting in a shortened cycle life and low Coulombic efficiency (CE), particularly when operating at ultrahigh specific capacity outputs. Herein, an Al 2 O 3 ‐skinned heterostructured starburst porous graphene with conformal metasurfaces (Al 2 O 3 @rGO) is reported, crafted from a hierarchical porous starburst graphene arranged in a unique layered structure by the PTFE microemulsion skin effect, leveraging subsequent fluidized bed atomic layer deposition (FBALD) of Al 2 O 3 groups. Al 2 O 3 @rGO features superhydrophilicity, effective adsorption, fast kinetics from stable dynamic respiratory interface, high electrical and thermal conductivity anisotropy, intelligent thermal management and safe operation over a wide temperature range. Consequently, the Li‐Cl 2 @Al 2 O 3 @rGO battery achieves an ultrahigh discharge specific capacity of 5000 mAh g −1 at ≈100% CE, and even delivers stable cycling over 200 cycles with 2000 mAh g −1 at an average CE of 99.8% under low temperature environment of ‐40 °C. The scalable heterostructure approach offers a sustainable perspective of the development of functionalized metamaterials and metasurfaces for next‐generation safe and energy‐dense batteries and broader applications.
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Research context

Energy storageNanomaterialsMaterials processing

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced Battery Technologies Research

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

Affiliations

Soochow Institute for Energy and Materials InnovationS (SIEMIS) Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province Key Laboratory of Core Technology of High Specific Energy Battery and Key Materials for Petroleum and Chemical Industry College of Energy Soochow University 688 Moye Road Suzhou 215006 P. R. China

Physics and Energy Department Volta and DiPole Materials Labs International Joint MetaCenter for Advanced Photonics and Electronics School of Optical and Electronic Information Suzhou City University 1188 Wuzhong District Suzhou 215006 P. R. China

Institute of Advanced Materials and Institute of Membrane Science and Technology Jiangsu National Synergistic Innovation Center for Advanced Materials State Key Laboratory of Flexible Electronics Suzhou Laboratory and Nanjing Tech University Nanjing 211816 P. R. China

School of Flexible Electronics & State Key Laboratory of Optoelectronic Materials and Technologies Sun Yat‐sen University 66 Gongchang Road, Guangming District Shenzhen 518107 P. R. China

Pacific Northwest National Laboratory Richland WA 99352 USA

Funding

National Key Research and Development Program of China · National Natural Science Foundation of China · Priority Academic Program Development of Jiangsu Higher Education Institutions

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