Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 12, Issue 24, Pages 27300-27306Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c07407
Keywords
metallic sodium; dendrite-free anode; Na-Na2S-carbon hybrid; 3D host; sodium disulfide
Funding
- National Natural Science Foundation of China [U1504218]
- Training Plan of Young Backbone Teachers in Henan Colleges and Universities [2018GGJS144]
- Development Plan to Cultivate Huan-River Scholar of Anyang Institute of Technology [HRS201904]
- National Research Program for Key Issues in Air Pollution Control of China [DQGG0209-25]
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An effective method to fabricate a dendrite-free Na-Na2S-carbon hybrid anode is developed by immersing sulfurdoped carbon paper into molten sodium with common tissue paper as the starting material. The as-obtained hybrid anode displays much decreased nucleation and mass-transfer-controlled overpotentials for sodium plating, and a low and stable voltage hysteresis of similar to 150 mV is obtained under a current density of 4 mA cm(-2). It provides a dendrite-free sodium-based anode with superior rate performance and long-term stability. Furthermore, it provides an effective avenue to alleviate the growth of dendrites and lower the overpotentials for other kinds of metal-based electrodes.
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