High-density precursor for manufacture of composite metal oxide cathodes for Li-ion batteries: United States Patent 9716265

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(as of Mar 06,2021 16:07:13 UTC – Details)


The disclosed embodiments relate to the manufacture of a precursor co-precipitate material for a cathode active material composition. During manufacture of the precursor co-precipitate material, an aqueous solution containing at least one of a manganese sulfate and a cobalt sulfate is formed. Next, a NH 4 OH solution is added to the aqueous solution to form a particulate solution comprising irregular secondary particles of the precursor co-precipitate material. A constant pH in the range of 10-12 is also maintained in the particulate solution by adding a basic solution to the particulate solution. >

High-density precursor for manufacture of composite metal oxide cathodes for Li-ion batteries: United States Patent 9716265

$3.99

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