Manufacture method of anode material of lithium ion battery
A lithium-ion battery and anode material technology, applied in the field of lithium-ion battery anode material production, can solve the problems of inconsistency in technical indicators, limited power use, high cost, etc., and achieve high consistency in technical indicators, easy operation, and simple production Effect
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[0031] Below in conjunction with embodiment further illustrate method and effect of the present invention.
[0032] raw material:
[0033] Iron powder Fe 56 parts, sulfuric acid H 2 SO 4 98 parts, sodium carbonate Na 2 CO 3 106 parts, lithium hydroxide LiOH 24 parts, phosphoric acid H 3 PO 4 98 servings.
[0034] Production Method:
[0035] 1. Preparation of ferrous sulfate (FeSO 4 ):
[0036] Add excess iron powder (Fe) to 9mol / L dilute sulfuric acid (H 2 SO 4 ), ferrous sulfate (FeSO 4 ) solution for later use. Explanation: When iron (Fe) is excessive, sulfuric acid (H 2 SO 4 ) complete reaction, in the case of excess iron (Fe), ferrous (Fe 2+ ) ions will not be oxidized to ferric iron (Fe 3+ )ion.
[0037] 2. Preparation of ferrous carbonate (FeCO 3 ):
[0038] With step 1 gained ferrous sulfate (FeSO 4 ) solution in a closed container, add sodium carbonate (Na 2 CO 3 ) solution; reaction precipitation, separation and precipitation, to obtain the re...
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