Solid electrolyte ionic conductivity test clamp, solid electrolyte ionic conductivity test system and solid electrolyte ionic conductivity test method
A technology of solid electrolyte and test fixture, which is applied in the direction of measuring resistance/reactance/impedance, parts of electrical measuring instruments, measuring devices, etc., and can solve problems such as high pressure, inaccurate measurement results, and damage
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Embodiment 1
[0072] Step S1: Take an appropriate amount of lithium titanium phosphate powder and sinter to form a solid electrolyte sheet of a certain size, and place the platinum sheet, solid electrolyte sheet, and platinum sheet in sequence in the first jig part 1 and the second jig part where the contact surfaces are completely overlapped 2, align them, and install pressure sensors between the first jig part 1 and the solid electrolyte sheet and between the second jig part 2 and the solid electrolyte sheet, refer to figure 1 . Alternatively, a second insulating sleeve 9 is installed between the first clamp part 1 and the second clamp part 2, and the platinum sheet, the solid electrolyte sheet, and the platinum sheet are sequentially stacked and placed in the second insulating sleeve 9, and a pressure sensor is provided. , the positions of the platinum sheet, the solid electrolyte sheet and the platinum sheet are defined by the second insulating sleeve 9, which can be referred to figur...
Embodiment 2
[0076] Under an argon atmosphere, take an appropriate amount of Li3 P.S. 4 The powder is pressed into a solid electrolyte sheet of a certain size for Li 3 P.S. 4 The measurement of the lithium ion conductivity is the same as the measurement method in Example 1, and will not be repeated here.
Embodiment 3
[0078] Under an argon atmosphere, take an appropriate amount of Na 3 P.S. 4 The powder is compressed into a solid electrolyte sheet of a certain size for Na 3 P.S. 4 The measurement of the sodium ion conductivity is the same as the measurement method of Example 1, and will not be repeated here.
[0079] The method for testing the conductivity of a solid electrolyte provided by the invention can be applied to detect the ion conductivity of a solid electrolyte material to be tested under different temperatures and different atmospheres. The atmosphere environment can be selected according to the stability of the solid electrolyte material to be tested, such as an air atmosphere used for testing stable solid electrolytes, and an inert atmosphere such as nitrogen or argon used for testing unstable solid electrolytes.
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