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Electrochemical properties of Na/Ni3S2 cells with liquid electrolytes using various sodium salts
- Kim, Jong-Seon;
- Lee, Sang-Won;
- Liu, Xiaojing;
- Cho, Gyu-Bong;
- Kim, Ki-Won;
- ... Ahn, Hyo-Jun;
- 외 3명
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18초록
For a Na/Ni3S2 cell operating at room temperature, three kinds of tetra (ethylene glycol) dimethyl ether (TEGDME) electrolytes, containing sodium trifluoromethane sulfonate (NaCF3SO3), sodium hexafluorophosphate (NaPF6), and sodium perchlorate (NaClO4) salts, respectively, were prepared. Na/Ni3S2 cells with 1 M NaCF3SO3 in TEGDME showed a discharge plateau potential of 0.85 V and a first discharge capacity of 448 mAh/g. The discharge capacity decreased to 250 mAh/g after 40 cycles, which represented the best cycling performance among the three electrolytes. (C) 2011 Elsevier B.V. All rights reserved.
키워드
Sodium battery; Electrolyte; Sodium salt; Nickel sulfide cathode; ROOM-TEMPERATURE; DISCHARGE PROPERTIES; CATHODE MATERIAL; BATTERY
- 제목
- Electrochemical properties of Na/Ni3S2 cells with liquid electrolytes using various sodium salts
- 저자
- Kim, Jong-Seon; Lee, Sang-Won; Liu, Xiaojing; Cho, Gyu-Bong; Kim, Ki-Won; Ahn, In-Shup; Ahn, Jou-Hyeon; Wang, Guoxiu; Ahn, Hyo-Jun
- 발행일
- 2011-07
- 유형
- Article; Proceedings Paper
- 권
- 11
- 호
- 4
- 페이지
- S11 ~ S14
- 언어
- ENG
- 출판사
- ELSEVIER SCIENCE BV
- 발행국가
- 네덜란드
- ISSN
- E 1878-1675
P 1567-1739