Preparation method of porous carbon aerogel with super-high specific surface area
A technology of ultra-high specific surface area and carbon airgel, which is applied in the direction of electrical components, battery electrodes, non-aqueous electrolyte batteries, etc., to achieve good cycle stability, simple preparation process, and high specific capacity.
Active Publication Date: 2016-11-30
QINGDAO UNIV
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The invention discloses a preparation method of a porous carbon aerogel with super-high specific surface area, and belongs to the field of lithium ion batteries. The carbon aerogel adopts well-sourced carrageenan, ferric chloride and potassium hydroxide as raw materials to successfully prepare the lithium ion battery and the carbon aerogel with super-high specific surface area for a super capacitor. The carbon aerogel has super-high specific surface area which achieves 4037sq.m./g, the material has excellent reversible specific capacity (890mAh/g, the current density is 1672mA/g) and good cycling stability (the specific capacity of the material after continuously charging/discharging for 200 times maintains at 90% of the initial specific capacity) while being used as the anode material of a lithium sulfur battery, and is a very promising electrode material.
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