RU2018133261A - Перезаряжаемые натриевые элементы для использования в батареях с высокой удельной энергией - Google Patents

Перезаряжаемые натриевые элементы для использования в батареях с высокой удельной энергией Download PDF

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RU2018133261A
RU2018133261A RU2018133261A RU2018133261A RU2018133261A RU 2018133261 A RU2018133261 A RU 2018133261A RU 2018133261 A RU2018133261 A RU 2018133261A RU 2018133261 A RU2018133261 A RU 2018133261A RU 2018133261 A RU2018133261 A RU 2018133261A
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sodium
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nabf
electrolyte
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Андраш КОВАЧ
Дебора РУИС-МАРТИНЕС
Роберто ГОМЕС-ТОРРЕГРОСА
Тапани Аласаарела
Дэвид П. БРАУН
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Бродбит Баттериз Ой
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Claims (30)

1. Электрохимический элемент, включающий:
a) катод и перезаряжаемый анод из металлического натрия, и
b) расположенный между катодом и анодом неводный электролит, который содержит добавку SO2 и по меньшей мере одну соль электролита, которая совместно с добавкой SO2 участвует в образовании SEI.
2. Электрохимический элемент, включающий:
a) катод и перезаряжаемый анод из металлического натрия, и
b) расположенный между катодом и анодом электролит, который содержит достаточное количество растворенного SO2 для образования стабильного SEI и по меньшей мере одну соль электролита, которая растворима по меньшей мере до молярной концентрации 1,2.
3. Элемент по любому из пп. 1-2, в котором соль, участвующая в образовании SEI, включает фторированную сульфонатную, и/или фторированную карбоксилатную соль, и/или фторированную сульфонилимидную, и/или ацетатную соль.
4. Элемент по п. 3, в котором соль, участвующая в образовании SEI, выбрана из трифторметансульфоната натрия (Na-трифлат), пентафторэтансульфоната натрия (Na-C2F5SO3), бис(трифторметансульфонил)имида натрия (NaТФСИ), бис(фторсульфонил)имида натрия (NaФСИ) и трифторацетата натрия (Na-CF3CO2), или других подобных солей.
5. Элемент по любому из пп. 1, 3 или 4, в котором растворитель неводного электролита содержит один или более растворителей типа эфира, амина или оксадиазола, или любую их смесь.
6. Элемент по п. 5, в котором растворитель предпочтительно выбран из 1,3-диоксолана, 1,4-диоксана, 1,2-диметоксиэтана, диглима, глима, пиридина, фуразана, метилфуразана, диметилфуразана или любой их смеси.
7. Элемент по любому из пп. 1-6, в котором соль электролита включает, по меньшей мере частично, NaBF4, NaSCN, NaPF6, NaClO4, NaB(CN)4, NaBF3CN, NaBF2(CN)2, NaBF(CN)3, или NaAl(BH4)4.
8. Элемент по любому из пп. 1-7, в котором анодный коллектор тока - основа выбрана из меди или ее сплавов.
9. Электрохимический элемент, в котором активный материал катода содержит частично окисленный Na2S.
10. Электрохимический элемент, в котором использован электролит по любому из пп. 1-7, структура анода по п. 8 и/или катод по п. 9.
11. Способ изготовления электрохимического элемента, включающий:
a) предоставление катода и перезаряжаемого анода из металлического натрия; и
b) предоставление неводного электролита, который включает добавку SO2 и по меньшей мере одну соль электролита, которая совместно с добавкой SO2 участвует в образовании анодного SEI.
12. Способ изготовления электрохимического элемента, включающий:
a) предоставление катода и перезаряжаемого анода из металлического натрия, и
b) предоставление электролита, который содержит достаточное количество растворенного SO2 для образования стабильного SEI и по меньшей мере одну соль электролита, которая растворима по меньшей мере до молярной концентрации 1,2.
13. Способ по любому из пп. 11-12, в котором соль, участвующая в образовании SEI, включает фторированную сульфонатную, и/или фторированную карбоксилатную соль, и/или фторированную сульфонилимидную, и/или ацетатную соль.
14. Способ по любому из пп. 11-13, в котором соль, участвующую в образовании SEI, выбирают из трифторметансульфоната натрия (Na-трифлат), пентафторэтансульфоната натрия (Na-C2F5SO3) и трифторацетата натрия (Na-CF3CO2), бис(трифторметансульфонил)имида натрия (NaTФCИ), бис(фторсульфонил)имида натрия (NaФСИ) или других подобных солей.
15. Способ по любому из пп. 11, 13 или 14, в котором растворитель неводного электролита содержит один или более растворителей типа эфира, амина или оксадиазола, или любую их смесь.
16. Способ по п. 15, в котором растворитель предпочтительно выбирают из 1,3-диоксолана, 1,4-диоксана, 1,2-диметоксиэтана, диглима, глима, пиридина, фуразана, метилфуразана, диметилфуразана или любой их смеси.
17. Способ по любому из пп. 11-16, в котором соль электролита включает, по меньшей мере частично, NaBF4, NaSCN, NaPF6, NaClO4, NaB(CN)4, NaBF3CN, NaBF2(CN)2, NaBF(CN)3, или NaAl(BH4)4.
18. Способ по любому из пп. 11-17, в котором анодный коллектор тока - основу выбирают из меди или ее сплавов.
19. Перезаряжаемая батарея, включающая один или множество электрохимических элементов по любому из пп. 1-9 или электрохимических элементов, изготовленных способом по любому из пп. 10-17.
20. Электромобиль, электрическое или электронное устройство, блок питания, резервный блок питания или сетевой блок для хранения и стабилизации энергии, в котором использован:
a) электрохимический элемент, батарея или суперконденсатор по любому из пп. 1-9 или 19; или
b) электрохимический элемент, батарея или суперконденсатор, изготовленный в соответствии со способом по любому из пп. 11-18.
RU2018133261A 2016-03-04 2017-03-03 Перезаряжаемые натриевые элементы для использования в батареях с высокой удельной энергией RU2742351C2 (ru)

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FI20165184A FI128461B (en) 2016-03-04 2016-03-04 Rechargeable sodium cells for use in high energy density batteries
PCT/FI2017/050139 WO2017149204A2 (en) 2016-03-04 2017-03-03 Rechargeable sodium cells for high energy density battery use

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