Novel lithium-sulfur battery material applied to energy storage system
A technology for lithium-sulfur batteries and energy storage systems, applied in lithium batteries, nanotechnology for materials and surface science, battery electrodes, etc. Short life and other problems, to achieve high discharge performance, excellent coulombic efficiency, and promote the effect of fixation and transmission
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[0035] Example 1:
[0036] A manufacturing method of a battery for an energy storage charging system, comprising the following steps:
[0037] The first step is to fabricate a composite cathode material of nitrogen-doped porous carbon fibers.
[0038] A. Mix 1 g of polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymer (P123) with 10 ml of tetraethyl orthosilicate (C 8 H 2 OO 4Si) stir until completely dissolved to obtain solution A, in which the P123 material can spontaneously form multi-molecular aggregated micelles in the solution, C 8 H 2 OO 4 Si as carbon skeleton template.
[0039] B. with ethanol (C 2 H 5 OH) and concentrated hydrochloric acid (HCl) were used as dispersants, and 40 mL of C were added to the A solution. 2 H 5 OH, 0.625 mL of HCl, and stirred for 10 min to obtain B solution.
[0040] C. Add 5 mL of deionized water to solution B, and stir for 2 h to obtain solution C.
[0041] D.C. 2 H 4 N 4 As carbon source and nitroge...
Example Embodiment
[0053] Example 2:
[0054] A method for manufacturing a battery of an energy storage charging system, comprising the following steps:
[0055] The first step is to fabricate a composite cathode material of nitrogen-doped porous carbon fibers.
[0056] A. Mix 1g polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymer (P123) with 20ml of tetraethyl orthosilicate (C 8 H 2 OO 4 Si) was stirred until completely dissolved to obtain solution A.
[0057] B. with ethanol (C 2 H 5 OH) and concentrated hydrochloric acid (HCl) were used as dispersants, and 40 mL of C were added to the A solution. 2 H 5 OH, 0.475 mL of HCl, and stirred for 10 min to obtain B solution.
[0058] C. Add 10 mL of deionized water to solution B, and stir for 2 h to obtain solution C.
[0059] D.C. 2 H 4 N 4 As carbon source and nitrogen source, add 5 g of C to the C solution 2 H 4 N 4 The solution N was obtained, and the solution N was heated and stirred for 1.5 h and evaporat...
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