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  The research group of Solid-State Secondary Batter
Present research fields
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Location:Home>Research>Research Divisions>Energy Materials Research Center>The research group of Solid-State Secondary Batter>Present research fields

Research Fields

1. Lithium secondary batteries including lithium-sulfur battery and lithium-oxygen (lithium-air) battery

1) The research focuses on both cathode and anode materials of Li-ion batteries based on such muti-electron transfer reactions through building novel composite structure to benefit to the reversibility of conversion reaction on the high-capacity materials such as transition metal fluoride, silicon, and so on.

Hierarchical mesoporous iron-based fluoride withpartially hollow structure

2) Our group studies on lithium sulfur secondary battery for nearly 10 years. The research content involves the composite cathode materials, electrolyte additives, polymer and solid electrolyte, and the protection of lithium metal anode.

3) lithium-Oxygen batteries (lithium-air batteries), as one of the highest-energy-density chemical power sources, attract more and more attention in recent years. Our group proposes a variety of designs on air electrode structure. The materials we focused on include catalyst, adhesive, electrode carriers and interfaces.

Free-standing-type design for cathodes of Li–O2 batteries

Tubular polypyrrole based air electrode

2. Sodium secondary batteries based on solid sodium ion electrolyte

(1) NAS battery. Our laboratory developed the technology of sodium sulfur battery with large capacity storage, involving beta’’-alumina ceramic material, battery assembly, evaluation, and manufacturing equipment, and was selected in China's top ten scientific in 2009.

(2) Sodium-nickel chloride battery (Zebra battery). Our group developed two types of 15 Ah and 50 Ah Zebra battery for large energy storage system, and possesses several key technologies, such as ceramic-metal seal, large-scale fabrication of sodium chloroaluminate electrolyte, battery assembly.

3. Hydrogen separation and purification based on ceramic proton conductor

4. Other energy materials and applications

(1) Ceramic breeder materials and applications;

(2) Other fusion energy related materials and applications.

 
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