In-situ assembling method of lithium ion battery
A lithium-ion battery, in-situ assembly technology, applied in battery electrodes, secondary batteries, non-aqueous electrolyte storage batteries, etc., can solve problems such as lithium intercalation transmission behavior, to fill market gaps, meet experimental needs, and simple preparation principle Effect
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Embodiment 1
[0014] Example 1: In situ assembly of liquid electrolyte lithium ion battery
[0015] In this embodiment, a high-resolution transmission electron microscope produced by the Swedish Nanofactory Company was selected, and a lithium-ion battery was constructed on its in-situ sample stage. The specific process steps are:
[0016] (1) LiCoO 2 Particles 2 adhere to the AFM probe head 4 of the in-situ sample stage as a cathode;
[0017] (2) Then in LiCoO 2 The surface of the particle 2 is dripped with an imine-based ionic liquid 3 as a liquid electrolyte, and then the in-situ sample stage is inserted into the transmission electron microscope;
[0018] (3) Drop the liquid dispersed with metal oxide nanowires 1 on the gold probe 5 of the in-situ sample stage, so that the metal oxide nanowires adhere to the tip of the gold probe 5 as the anode, which is selected Metal oxides include iron oxide, copper oxide and zinc oxide;
[0019] (4) Inside the high-resolution transmission electron...
Embodiment 2
[0020] Embodiment 2: in-situ assembly of solid electrolyte lithium ion battery
[0021] In this embodiment, a high-resolution transmission electron microscope produced by the Swedish Nanofactory Company was selected, and a lithium-ion battery was constructed on its in-situ sample stage. The specific process steps include:
[0022] (1) first metal Li2 is adhered to the AFM probe head 4 of the conventional in-situ sample stage as the cathode;
[0023] (2) Insert the in-situ sample stage into the transmission electron microscope again. Since metal Li2 is easily oxidized, during the insertion into the transmission electron microscope, oxides (Li 2 O) Layer 3 acts as a solid electrolyte;
[0024] (3) Drop the liquid dispersed with metal oxide nanowires 1 on the gold probe 5 of the in-situ sample stage, so that the metal oxide nanowires adhere to the tip of the gold probe 5 as the anode, which is selected Metal oxides include iron oxide, copper oxide and zinc oxide;
[0025] (4) ...
Embodiment 3
[0027] In this embodiment, the steps of Examples 1 and 2 are repeated, and the metal oxide nanowires are replaced with metal oxide nanotubes, respectively, to prepare lithium-ion battery structures with a single metal oxide nanotube as the negative electrode.
[0028] In this embodiment, the purpose of the present invention is achieved by using a single metal oxide nanowire or nanotube to assemble a lithium-ion battery structure in situ, and at the same time complete the performance measurement of a single metal oxide nanowire or nanotube. For the dimensional characteristics of wires or nanotubes, only this embodiment can realize their performance measurement at present.
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