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Article
W2C/porous graphene nanocomposite as an efficient non-noble metal catalyst for hydrogen and oxygen recombination in nickel–iron battery
Nickel–iron battery is highly desirable for energy storage systems in rural/remote areas for its safety, low cost, long cycle life. But it cannot be sealed and maintenance-free due to the hydrogen evolution re...
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Article
A flexible NASICON-type composite electrolyte for lithium-oxygen/air battery
Lithium-air/oxygen battery has raised widespread interest due to its extraordinary theoretical energy density (up to 3500 Wh kg−1). In this study, a flexible free-standing NASICON (Na-super ionic conductor)-type ...
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Article
Improved cycling performances with high sulfur loading enabled by pre-treating lithium anode
Lithium nitrate (LiNO3) is reported as an effective additive to protect lithium anode in rechargeable lithium-sulfur battery. However, for its strong oxidation, cells containing LiNO3 still suffer from safety pro...
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Article
The investigation of water vapor on the Li–O2 battery using a solid-state air cathode
A lithium (Li)–oxygen (O2) battery based on an inorganic solid-state air cathode was fabricated, and the influence of water vapor (key component in the air) on the electrochemical behavior of the proposed Li–O2 b...
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Article
Temperature characteristics of nonaqueous Li–O2 batteries
Discharge/charge characteristics of Li–O2 batteries at a test temperature of 343 K, using Super P carbon electrodes, have been explored in this paper based on ether-based electrolytes. Compared with ambient tempe...
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Article
Solvent autoxidation, electrolyte decomposition, and performance deterioration of the aprotic Li-O2 battery
The electrolyte decomposition is widely recognized as the greatest challenge to the successful development of the aprotic Li-O2 battery. The decomposition of the organic ethers, which are the commonly used electr...
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Article
Intermittent operation of the aprotic Li-O2 battery: the mass recovery process upon discharge interval
The intermittent operation of the aprotic Li-O2 battery is systematically studied in this paper. A combined study of the battery charge retention and the electrolyte stability to O2 suggests a low self-discharge ...
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Article
Temperature dependence of charging characteristic of C-free Li2O2 cathode in Li-O2 battery
Charging characteristics of lithium–oxygen (Li-O2) batteries, using C-free lithium peroxide (Li2O2)-based electrodes, have been explored in this paper based on ether-based electrolytes. Charging overpotential can...
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Article
LaF3 surface-modified LiCr0.05Mn1.95O4 cathode material with improved high-temperature performances for lithium-ion batteries
The LaF3 surface-modified LiCr0.05Mn1.95O4 samples were synthesized by co-precipitation method and characterized by high-angle annular dark field scanning transmission electron microscopy (HAADF-STEM) and energy-...
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Article
Electrochemical performance of rare-earth doped LiMn2O4 spinel cathode materials for Li-ion rechargeable battery
Spinel powders of LiMn2−x RE x O4 (RE = La, Ce, Nd, Sm; 0 ≤ x ≤ 0.1) have been synthesized by solid-phase reaction. The structure and electrochemical properties o...