RU2014102662A - Литиевый аккумулятор - Google Patents

Литиевый аккумулятор Download PDF

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RU2014102662A
RU2014102662A RU2014102662/07A RU2014102662A RU2014102662A RU 2014102662 A RU2014102662 A RU 2014102662A RU 2014102662/07 A RU2014102662/07 A RU 2014102662/07A RU 2014102662 A RU2014102662 A RU 2014102662A RU 2014102662 A RU2014102662 A RU 2014102662A
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Russia
Prior art keywords
lithium battery
battery according
lithium
perforated metal
thickness
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RU2014102662/07A
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English (en)
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RU2594010C2 (ru
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Ян-Младший ПРОХАЗКА
Ярослав Поливка
Иржи ПОСТЛЕР
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Гезда С.Р.О.
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  • Chemical & Material Sciences (AREA)
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  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Cell Separators (AREA)

Abstract

1. Литиевый аккумулятор, содержащий корпус, имеющий по меньшей мере одну ячейку с двумя электродами (2a, 2b), разделенными сепараторами (4), токосъемники (3a, 3b) и жидкий электролит, состоящий из раствора соли лития в органическом растворителе, отличающийся тем, что каждый электрод (2a, 2b), не имеющий органических связывающих веществ, спрессован на обеих сторонах токосъемника (3a, 3b), изготовленного из перфорированной металлической ленты в виде металлической сетки, тянутого металла или перфорированной металлической фольги.2. Литиевый аккумулятор по п.1, в котором ячейки зажаты между двумя периферийными крышками (1a, 1b), соединенными между собой болтами (11).3. Литиевый аккумулятор по п.1, в котором минимальная толщина электродов (2a, 2b) в три раза превышает толщину перфорированной металлической ленты токосъемника (3a, 3b).4. Литиевый аккумулятор по п.1, в котором толщина перфорированной металлической ленты составляет 30-500 µм, причем указанная лента на одной из своих кромок имеет выступ (31).5. Литиевый аккумулятор по п.1, в котором по меньшей мере один электрод (2a, 2b) состоит из пространственно распределенного компонента с электронной проводимостью, смешанного и спрессованного с активным материалом, не содержащего органических связующих веществ и имеющего структуру полых сфер с толщиной стенки максимум 10 мкм или структуру агрегатов или агломератов с максимальным размером 30 мкм и пористостью от 25% до 95%.6. Литиевый аккумулятор по п.5, в котором компонент с электронной проводимостью выбран из группы, состоящей из проводящего сжимаемого углерода и его модификаций, проводящих металлов, электропроводящих оксидов, карбидов и нитридов металло�

Claims (10)

1. Литиевый аккумулятор, содержащий корпус, имеющий по меньшей мере одну ячейку с двумя электродами (2a, 2b), разделенными сепараторами (4), токосъемники (3a, 3b) и жидкий электролит, состоящий из раствора соли лития в органическом растворителе, отличающийся тем, что каждый электрод (2a, 2b), не имеющий органических связывающих веществ, спрессован на обеих сторонах токосъемника (3a, 3b), изготовленного из перфорированной металлической ленты в виде металлической сетки, тянутого металла или перфорированной металлической фольги.
2. Литиевый аккумулятор по п.1, в котором ячейки зажаты между двумя периферийными крышками (1a, 1b), соединенными между собой болтами (11).
3. Литиевый аккумулятор по п.1, в котором минимальная толщина электродов (2a, 2b) в три раза превышает толщину перфорированной металлической ленты токосъемника (3a, 3b).
4. Литиевый аккумулятор по п.1, в котором толщина перфорированной металлической ленты составляет 30-500 µм, причем указанная лента на одной из своих кромок имеет выступ (31).
5. Литиевый аккумулятор по п.1, в котором по меньшей мере один электрод (2a, 2b) состоит из пространственно распределенного компонента с электронной проводимостью, смешанного и спрессованного с активным материалом, не содержащего органических связующих веществ и имеющего структуру полых сфер с толщиной стенки максимум 10 мкм или структуру агрегатов или агломератов с максимальным размером 30 мкм и пористостью от 25% до 95%.
6. Литиевый аккумулятор по п.5, в котором компонент с электронной проводимостью выбран из группы, состоящей из проводящего сжимаемого углерода и его модификаций, проводящих металлов, электропроводящих оксидов, карбидов и нитридов металлов.
7. Литиевый аккумулятор по п.5, в котором активный материал выбран из группы, состоящей из компаундов смешанных окислов или фосфатов лития, марганца, хрома, ванадия, титана, кобальта, алюминия, никеля, железа, лантана, ниобия, бора, церия, тантала, олова, магния, иттрий и циркония.
8. Литиевый аккумулятор по п.1, в котором второй, отрицательный электрод состоит из графита и углерода с электронной проводимостью и спрессован для образования электродного слоя.
9. Литиевый аккумулятор по п.1, в котором второй, отрицательный электрод состоит из оксида лития-титана или материала, имеющего по отношению к литию более низкий электрический потенциал по сравнению с первым электродом и углеродом с электронной проводимостью.
10. Литиевый аккумулятор по п.1, в котором сепаратор выбран из группы материалов, состоящей из спрессованных неорганических керамических материалов Al2O3, SiO2, стекла, ZrO2 в виде нановолокон, нитей или органической пористой фольги.
RU2014102662/07A 2011-07-01 2012-06-26 Литиевый аккумулятор RU2594010C2 (ru)

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