期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 5, 期 7, 页码 3638-3644出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ta09806a
关键词
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资金
- NSFC [61504062, 21576211, 51402155, 61136003]
- Priority Academic Program Development of Jiangsu Higher Education Institutions [YX03001]
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)
- Synergistic Innovation Center for Organic Electronics and Information Displays
- Jiangsu Province Six Talent Peak [2014-XCL-014]
- Jiangsu Provincial NSF [BK20141424, BK20150863, BK20160886, BK20160890, BM2012010]
- Qing Lan Project of Jiangsu Province
- Scientific Research Foundation of NUPT [NY214021, NY214183, NY215060, NY215014, NY215152]
Li-O-2 batteries feature extremely high energy density, making their wire-shaped devices a promising candidate for wearable energy-storage application. However, it is a major challenge to explore industrially feasible electrodes for this type of linear batteries. Herein, for the first time, we have demonstrated an effective strategy to fabricate a feasible electrode on a large scale by dyeing industrially weavable and highly conductive metal/cotton yarns with the active material ink, RuO2-coated nitrogen-doped carbon nanotube (CNT). The obtained wire-shaped Li-O-2 battery exhibits a high discharge capacity of 1981 mA h g(carbon)(-1) at a current density of 320 mA g(carbon)(-1) and could stably work beyond 100 cycles (more than 600 hours) without obvious degradation, even under bending conditions. The new freestanding type electrode will represent a critical step towards the production and practical application of flexible Li-O-2 batteries.
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