Method for synthesizing black phosphate on carbon paper by one-step method and application of method
A technology of carbon paper and black phosphorus, applied in chemical instruments and methods, electrical components, electrochemical generators, etc., can solve the problems of high catalyst, low output, environmental pollution, etc., and achieve good electrochemical performance, small particles, good reversible effect
Inactive Publication Date: 2017-11-17
QINGDAO UNIV
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The invention relates to a method for synthesizing black phosphate on carbon paper by a one-step method and application of the method. The method mainly comprises the following steps of weighing a phosphate source, annealing and drying the phosphate source, taking a certain amount of a phosphate source precursor, uniformly placing the phosphate source precursor in a magnetic boat, arranging empty carbon paper on the magnetic boat, introducing a protection gas, rising a temperature at an uniform speed, performing heating, reducing the temperature to a room temperature at the uniform speed, and obtaining the black phosphate on the carbon paper. The black phosphate on the carbon paper is synthesized by a vapor deposition method, and the detects of high energy consumption caused by high temperature, high requirement on equipment, a special catalyst needed, relatively long synthesis time and the like in a traditional industrial high-temperature solid-phase synthesis method are overcome; moreover, the preparation method has the characteristics of simplicity, low cost and the like, is convenient to operate and is beneficial for industrial production; and through electrochemical performance and oxygen precipitation test, it is found out that the black phosphate on the carbon paper, synthesized by the method, has the advantages of high initial specific capacity, good cycle property and high-efficiency oxygen precipitation, and thus, the method is friendly to an application environment and is wide in market prospect.
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Property | Measurement | Unit |
First discharge specific capacity | 2234.5 | mAh/g |
Specific capacity | 1677.3 | mAh/g |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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