LITHIUM MANGANESE OXIDE
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LITHIUM MANGANESE OXIDE
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CAS No:
12057-17-9
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Formula:
LiMn2O4
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Chemical Name:
LITHIUM MANGANESE OXIDE
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Synonyms:
LITHIUM MANGANESE(III,IV) OXIDE;LITHIUM MANGANESE OXIDE;LITHIUM MANGANESE(III,IV) OXIDE, ELECTRO -CHEMICAL GRADE;Lithium manganese oxide (LiMn2O4);Lithium manganese(III,IV) oxide, 99.5% (metals basis);Lithium manganese oxide spinel, powder, <0.5 mum particle size (BET), >99%;Lithium manganese(III,IV) oxide, 99.5% trace metals basis;LITHIUM MANGANESE OXIDE ISO 9001：2015 REACH
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CAS No:
Description
monoclinic, a=0.4921 nm, b=0.8526 nm, c=0.9606 nm; prepared by reacting LiOH and γ-ΜnΟ2 in air at 400°C for several days or at 700°C for 24h; used in battery research [ROS91] [RIO92]
This product has been enhanced for energy efficiency.
Characteristics
74.27000
Usually spinel phase, working voltage is 3.5~4.3 V, theoretical specific capacity is 148 mA h/g, but the actual is about 110 mA h/g, cathode density is 4.28 g/cm3, and its lithium/manganese molar ratio is 0.45 ~0.5.
-0.47520
Powder
4.1g/cm3at 25℃
>400 °C(lit.)
Insoluble in water.
Toxicity
ACGIH: TWA 0.02 mg/m3; TWA 0.1 mg/m3OSHA: Ceiling 5 mg/m3NIOSH: IDLH 500 mg/m3; TWA 1 mg/m3; STEL 3 mg/m3
LITHIUM MANGANESE OXIDE Use and Manufacturing
The synthesis method uses manganese dioxide, manganese carbonate, manganese nitrate or manganese acetate and lithium hydroxide, lithium carbonate or lithium nitrate as raw materials, and accurately analyzes the composition and content of various materials, so that the molar ratio of lithium to manganese is in the range of 0.45 to 0.5 After mixing uniformly by ball milling, place it in a mold, press it into a block on a hydraulic press, and place it in a high-temperature sintering furnace at a temperature of 600-800℃. After sintering for a total of 36 hours, take out the crushing ball mill and pass through a 300 mesh sieve , Collect products. Its synthesis 4MnO2+Li2CO3→2LiMn2O4+CO2↑+0.5O24MnCO3+Li2CO3+1.5O2→2LiMn2O4+5CO2↑4MnO2+2LiOH→2LiMn2O4+H2O+0.5O2
High performance lithium ion battery cathode material.
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