Water-based copper ion battery suitable for large-scale energy storage application
A copper ion, large-scale technology, applied in the field of electrochemical energy storage, can solve the problems of unrealized water-based copper-based secondary battery battery energy storage, no matching positive electrode materials, etc., and achieve stable rate performance cycle and good electrochemical performance , the effect of high ion mobility
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Embodiment 1
[0040] This embodiment is a water-based copper ion battery suitable for large-scale energy storage applications, including a positive electrode, a negative electrode, a separator for separating the positive and negative electrodes, and a water-based aqueous solution containing copper ions.
[0041] 1. The positive electrode is made of active material activated carbon (the specific surface area is 950m 2 / g of activated carbon), conductive agent (acetylene black) and binder (polytetrafluoroethylene), its preparation method is prepared according to the following method:
[0042] The active material activated carbon, the conductive agent acetylene black and the binder polytetrafluoroethylene are placed in the organic solvent N-methylpyrrolidone in a mass ratio of 70:20:10, mixed and dispersed to form a slurry; then the slurry The material is rolled and pressed into a self-supporting film (film thickness 0.02-1mm), and the film is dried in an oven at 80°C for 12 hours. After drying...
Embodiment 2
[0048] This embodiment is a water-based copper ion battery suitable for large-scale energy storage applications, including a positive electrode, a negative electrode, a separator for separating the positive and negative electrodes, and a water-based aqueous solution containing copper ions.
[0049] 1. The positive electrode is made of active material activated carbon (the specific surface area is 950m 2 / g of activated carbon), conductive agent (Ketjen black) and binder (polytetrafluoroethylene), its preparation method is prepared according to the following method:
[0050] The active material activated carbon, the conductive agent Ketjen black and the binder polytetrafluoroethylene are placed in the organic solvent N,N-dimethylformamide in a mass ratio of 80:10:10, mixed and dispersed to form a slurry Then roll the slurry into a self-supporting film (thickness 0.02-1mm), put the film in an oven and dry it at 80°C for 12 hours, and cut the membrane electrode into a circular po...
Embodiment 3
[0056] This embodiment is a water-based copper ion battery suitable for large-scale energy storage applications, including a positive electrode, a negative electrode, a separator for separating the positive and negative electrodes, and a water-based aqueous solution containing copper ions.
[0057] 1. The positive electrode is made of active material activated carbon (the specific surface area is 950m 2 / g of activated carbon), conductive agent (Super-P carbon black) and binder (polyvinylidene fluoride), its preparation method is prepared according to the following method:
[0058] The active material activated carbon, the conductive agent Super-P carbon black and the binder polyvinylidene fluoride are placed in the organic solvent N,N-dimethylacetamide in a mass ratio of 90:5:5, Mix and disperse to form a slurry, and then coat the slurry on the titanium net collector fluid (coated film thickness is 0.02-1mm), place the titanium net collector fluid in an oven and dry at 80°C f...
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Abstract
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