SCHEDULED MAINTENANCE
Elastic porous carbon material supported sulfur cathodes for Li–S battery design†
Abstract
In this work, we present a three-dimensional elastic carbon foam as a current collector and freestanding electrode for Li–S batteries. A sulfur content of approximately 43.93% which was based on the weight of cathode was achieved. The non-additive S cathode with good elasticity shows a first discharge specific capacity of 893 mA h g−1 and a specific capacity of 544 mA h g−1 after 30 cycles at moderate rates. A coulombic efficiency of 98% over 100 cycles is achieved.
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