Sodium Secondary Battery having Graphite Felt as a Current Collector
A sodium secondary battery according to the present invention is a positive electrode current collector impregnated in an electrolyte, has a maximum porosity on a surface facing a solid electrolyte, and includes graphite felt having a porosity decreasing in a thickness direction. 본 발명에 따른 소듐 이차전지는 전...
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| Format: | Patent |
| Sprache: | eng ; kor |
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| Zusammenfassung: | A sodium secondary battery according to the present invention is a positive electrode current collector impregnated in an electrolyte, has a maximum porosity on a surface facing a solid electrolyte, and includes graphite felt having a porosity decreasing in a thickness direction.
본 발명에 따른 소듐 이차전지는 전해액에 함침되는 양극 집전체로, 고체전해질과 마주하는 표면에서 최대 기공률을 가지며, 두께 방향으로 기공률이 감소하는 그라파이트 펠트를 포함한다. |
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