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Journal Angewandte Chemie – A High-Performance Polymer Tin Sulfur Lithium Ion Battery
A tin-sulfur lithium ion battery has an energy density value of the order of 1000 W h kg-1, which is five times higher than those of conventional batteries that containing intercalated materials (see picture). Replacement of the conventional liquid electrolyte with a polymer membrane brings improvements in the fabrication and safety of the battery
They report demonstrating a specific energy of the cell on the order of 1,100 Wh kg-1.
Greencarcongress – Researchers at the Università degli Studi di Roma La Sapienza have developed a novel polymer tin sulfur lithium-ion battery that takes advantage of the high theoretical specific energy and energy density of the lithium-sulfur battery chemistry (2,500 Wh kg-1 and 2,800 Wh L-1 respectively, earlier post), while avoiding the shortcomings that have hindered commercialization of this type chemistry
Rather than taking the more conventional approach of using a sulfur cathode and a lithium metal anode, Jusef Hassoun and Bruno Scrosati have developed a lithium-metal-free battery, using a carbon lithium sulfide composite as the cathode and a tin carbon composite anode.
The team notes that “the road to a practical lithium–sulfur battery is still long”; optimization of the electrode morphology and cell structure are needed to further improve the cycle life and the rate capability
3 pages of supplemental information
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Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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