Preparation method and application of high-specific-property electrode material for super-capacitor
A technology of supercapacitors and electrode materials, which is applied in the fields of hybrid capacitor electrodes, hybrid/electric double-layer capacitor manufacturing, chemical instruments and methods, etc., can solve the problem of poor electrochemical performance of hierarchical porous carbon electrode materials, complicated preparation methods, and not very environmentally friendly. and other problems, to achieve the effect of improving high specific energy and high specific power performance, good electrical conductivity, and improving transfer rate
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Embodiment 1
[0042] A kind of preparation method of high specific characteristic electrode material for supercapacitor, comprises the following steps:
[0043] (1) NH 4 The Cl solid and the organic carbon source are mixed evenly, and a high-energy ball mill is used for ball milling to disperse to obtain a uniformly dispersed mixed powder; the organic carbon source is sucrose; the NH 4 The weight ratio of Cl solid to organic carbon source=1:1.5; The ball mill dispersion speed is 1500r / min, and the time is 10min;
[0044] (2) Transfer the above-mentioned mixed powder into an inert gas sintering furnace, and in an inert gas atmosphere, use a high-temperature solid-phase method for calcination, so that the raw materials undergo polymerization reactions and create pores, and then undergo graphitization treatment to obtain 3D hierarchical porous structure carbon Material precursor; the method of calcination by the high-temperature solid-state method is: in an inert gas atmosphere, first raise t...
Embodiment 2
[0051] A kind of preparation method of high specific characteristic electrode material for supercapacitor, comprises the following steps:
[0052] (1) NH 4 The Cl solid and the organic carbon source are mixed evenly, and a high-energy ball mill is used for ball milling to disperse to obtain a uniformly dispersed mixed powder; the organic carbon source is glucose; the NH 4 The weight ratio of Cl solid to organic carbon source=3:5; The ball mill dispersion speed is 3000r / min, and the time is 300min;
[0053] (2) Transfer the above-mentioned mixed powder into an inert gas sintering furnace, and in an inert gas atmosphere, use a high-temperature solid-phase method for calcination, so that the raw materials undergo polymerization reactions and create pores, and then undergo graphitization treatment to obtain 3D hierarchical porous structure carbon Material precursor; the method of calcination by the high-temperature solid-state method is: in an inert gas atmosphere, first raise th...
Embodiment 3
[0060] A kind of preparation method of high specific characteristic electrode material for supercapacitor, comprises the following steps:
[0061] (1) NH 4 The Cl solid and the organic carbon source are mixed evenly, and a high-energy ball mill is used for ball milling to disperse to obtain a uniformly dispersed mixed powder; the organic carbon source is polyvinyl alcohol; the NH 4 The weight ratio=1.5:2 of Cl solid and organic carbon source; The ball mill dispersion speed is 2000r / min, and the time is 50min;
[0062] (2) Transfer the above-mentioned mixed powder into an inert gas sintering furnace, and in an inert gas atmosphere, use a high-temperature solid-phase method for calcination, so that the raw materials undergo polymerization reactions and create pores, and then undergo graphitization treatment to obtain 3D hierarchical porous structure carbon Material precursor; the method of calcination by the high-temperature solid-state method is: in an inert gas atmosphere, fi...
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