共 46 条
Low-cost birnessite as a promising cathode for high-performance aqueous rechargeable batteries
被引:118
作者:

Qiu, Nan
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Sichuan Univ, Inst Nucl Sci & Technol, Minist Educ, Key Lab Radiat Phys & Technol, Chengdu 610064, Sichuan, Peoples R China Sichuan Univ, Inst Nucl Sci & Technol, Minist Educ, Key Lab Radiat Phys & Technol, Chengdu 610064, Sichuan, Peoples R China

Chen, Hong
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Sichuan Univ, Inst Nucl Sci & Technol, Minist Educ, Key Lab Radiat Phys & Technol, Chengdu 610064, Sichuan, Peoples R China Sichuan Univ, Inst Nucl Sci & Technol, Minist Educ, Key Lab Radiat Phys & Technol, Chengdu 610064, Sichuan, Peoples R China

Yang, Zhaoming
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Sichuan Univ, Inst Nucl Sci & Technol, Minist Educ, Key Lab Radiat Phys & Technol, Chengdu 610064, Sichuan, Peoples R China Sichuan Univ, Inst Nucl Sci & Technol, Minist Educ, Key Lab Radiat Phys & Technol, Chengdu 610064, Sichuan, Peoples R China

Sun, Sen
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h-index: 0
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Sichuan Univ, Inst Nucl Sci & Technol, Minist Educ, Key Lab Radiat Phys & Technol, Chengdu 610064, Sichuan, Peoples R China Sichuan Univ, Inst Nucl Sci & Technol, Minist Educ, Key Lab Radiat Phys & Technol, Chengdu 610064, Sichuan, Peoples R China

Wang, Yuan
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h-index: 0
机构:
Sichuan Univ, Inst Nucl Sci & Technol, Minist Educ, Key Lab Radiat Phys & Technol, Chengdu 610064, Sichuan, Peoples R China Sichuan Univ, Inst Nucl Sci & Technol, Minist Educ, Key Lab Radiat Phys & Technol, Chengdu 610064, Sichuan, Peoples R China
机构:
[1] Sichuan Univ, Inst Nucl Sci & Technol, Minist Educ, Key Lab Radiat Phys & Technol, Chengdu 610064, Sichuan, Peoples R China
基金:
中国国家自然科学基金;
关键词:
Birnessite;
Manganese oxide;
Aqueous rechargeable batteries;
Zinc;
Cathode;
ION BATTERY;
HIGH-CAPACITY;
ENERGY-STORAGE;
CRYSTAL WATER;
ZINC-STORAGE;
LI;
CHEMISTRY;
ALPHA-MNO2;
NICKEL;
MNO2;
D O I:
10.1016/j.electacta.2018.04.012
中图分类号:
O646 [电化学、电解、磁化学];
学科分类号:
081704 ;
摘要:
A highly reversible aqueous rechargeable battery system is assembled by using a Zn anode, a room-temperature synthesized MnO2-birnessite cathode and a mild ZnSO4-based aqueous electrolyte with MnSO4 as an additive. Structural analysis reveal that MnO2-birnessite undergoes a structural transformation to poorly crystalline MnO2. It offers an operating voltage of 1.39 V, an energy density of 364 Wh kg(-1) (cathode only) at 200 mA g(-1) and shows a capacity retention of 100% over 400 cycles at 500 mA g(-1). This low-cost battery system is a promising candidate for large-scale energy storage. (C) 2018 Elsevier Ltd. All rights reserved.
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页码:154 / 160
页数:7
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