FIELD: electricity.
SUBSTANCE: cathode active material contains a nuclear part of secondary lithium metal oxide particles formed by the aggregation of primary lithium metal oxide particles formed; and an enclosure formed by coating the secondary particles of said nuclear part with olivinic lithium iron phosphate.
EFFECT: improved safety, high recharge characteristics.
14 cl, 15 dwg, 9 ex, 3 tbl
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| ADDITIVES TO LITHIUM SECONDARY BATTERY | 2005 |
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RU2323505C1 |
| CATHODE BASED ON TWO TYPES OF COMPOUNDS AND LITHIUM SECONDARY BATTERY INCLUDING IT | 2010 |
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| LITHIUM SECONDARY BATTERIES WITH CUTOFF VOLTAGE MORE THAN 4,35 V | 2005 |
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RU2325014C1 |
| HIGH-CAPACITY SECONDARY LITHIUM BATTERY | 2005 |
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RU2315395C1 |
| RETINACULUM ELECTROLYTE FOR LITHIUM BATTERY AND LITHIUM RECHARGEABLE BATTERY | 2012 |
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RU2593596C2 |
