POSITIVE ELECTRODE FOR LITHIUM SULFUR BATTERY, AND LITHIUM SULFUR BATTERY CONTAINING THIS

PROBLEM TO BE SOLVED: To provide a positive electrode active material having a reduced particle size, and obtain a lithium sulfur battery superior in capacity and lifetime characteristics. SOLUTION: This lithium sulfur battery contains the positive electrode active material composed of sulfur elemen...

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Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a positive electrode active material having a reduced particle size, and obtain a lithium sulfur battery superior in capacity and lifetime characteristics. SOLUTION: This lithium sulfur battery contains the positive electrode active material composed of sulfur element (S8) with the particle size D (v, 50%) of 10μm or less, sulfur series compound, and a mixture of these, and the average surface roughness Ra value is 5μm or less. COPYRIGHT: (C)2004,JPO