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A non-topotactic redox reaction enabled K2V3O8 as a high voltage cathode material for potassium-ion batteries

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成果类型:
期刊论文
作者:
Yang, Yusi;Liu, Zhifeng;Deng, Leqing;Tan, Lulu;Niu, Xiaogang;...
通讯作者:
Zhu, Zhiping;Zhu, Yujie
作者机构:
[Liu, Zhifeng; Zhu, Zhiping; Yang, Yusi] Changsha Univ Sci & Technol, Sch Chem & Biol Engn, Changsha 410114, Hunan, Peoples R China.
[Niu, Xiaogang; Tan, Lulu; Deng, Leqing; Zhu, Yujie] Beihang Univ, Sch Chem, Beijing 100191, Peoples R China.
[Sanad, Mustafa M. S.] Cent Met R & D Inst CMRDI, Chem & Electroproc Dept, Cairo, Egypt.
[Zeng, Liang] Tianjin Univ, Collaborat Innovat Ctr Chem Sci & Engn, Sch Chem Engn & Technol, Key Lab Green Chem Technol,Minist Educ, Tianjin 300072, Peoples R China.
[Zhu, Yujie] Beihang Univ, Beijing Adv Innovat Ctr Biomed Engn, Beijing 100191, Peoples R China.
通讯机构:
[Zhu, Zhiping] C
[Zhu, Yujie] B
Changsha Univ Sci & Technol, Sch Chem & Biol Engn, Changsha 410114, Hunan, Peoples R China.
Beihang Univ, Sch Chem, Beijing 100191, Peoples R China.
Beihang Univ, Beijing Adv Innovat Ctr Biomed Engn, Beijing 100191, Peoples R China.
语种:
英文
期刊:
Chemical Communications
ISSN:
1359-7345
年:
2019
卷:
55
期:
99
页码:
14988-14991
基金类别:
"Top-notch Talents'' program of Beihang University; "Thousand Youth Talents Plan'' of China; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [51902014, U1663224]; School of Chemical and Biological Engineering in the Changsha University of Science Technology
机构署名:
本校为第一且通讯机构
院系归属:
化学与生物工程学院
摘要:
When tested as the cathode material for potassium-ion batteries, K2V3O8 delivers a highly reversible capacity of over 100 mA h g-1 in the voltage range of 1.5-4.5 V with 73% capacity retained after 50 cycles. Charge-discharge is achieved by a nontopotactic process between K2V3O8 and KV3O8 (DeltaV approximately -2...

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