An oxalate cathode for lithium ion batteries with combined cationic and polyanionic redox

Wenjiao Yao; A. Robert Armstrong; Xiaolong Zhou; Moulay-Tahar Sougrati; Pinit Kidkhunthod; Sarayut Tunmee; Chenghua Sun; Suchinda Sattayaporn; Philip Lightfoot; Bifa Ji; Chunlei Jiang; Nanzhong Wu; Yongbing Tang; Hui-Ming Cheng

doi:10.1038/s41467-019-11077-0

An oxalate cathode for lithium ion batteries with combined cationic and polyanionic redox

Wenjiao Yao
, A. Robert Armstrong
, Xiaolong Zhou
, Moulay-Tahar Sougrati
, Pinit Kidkhunthod
, Sarayut Tunmee
, Chenghua Sun
, Suchinda Sattayaporn
, Philip Lightfoot
, Bifa Ji
, Chunlei Jiang
, Nanzhong Wu
, Yongbing Tang
, Hui-Ming Cheng

Research output: Contribution to journal › Article › peer-review

Abstract

The growing demand for advanced lithium-ion batteries calls for the continued development of high-performance positive electrode materials. Polyoxyanion compounds are receiving considerable interest as alternative cathodes to conventional oxides due to their advantages in cost, safety and environmental friendliness. However, polyanionic cathodes reported so far rely heavily upon transition-metal redox reactions for lithium transfer. Here we show a polyanionic insertion material, Li₂Fe(C₂O₄)₂, in which in addition to iron redox activity, the oxalate group itself also shows redox behavior enabling reversible charge/discharge and high capacity without gas evolution. The current study gives oxalate a role as a family of cathode materials and suggests a direction for the identification and design of electrode materials with polyanionic frameworks.

Original language	English
Article number	3483
Number of pages	9
Journal	Nature Communications
Volume	10
DOIs	https://doi.org/10.1038/s41467-019-11077-0
Publication status	Published - 2 Aug 2019

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title = "An oxalate cathode for lithium ion batteries with combined cationic and polyanionic redox",

abstract = "The growing demand for advanced lithium-ion batteries calls for the continued development of high-performance positive electrode materials. Polyoxyanion compounds are receiving considerable interest as alternative cathodes to conventional oxides due to their advantages in cost, safety and environmental friendliness. However, polyanionic cathodes reported so far rely heavily upon transition-metal redox reactions for lithium transfer. Here we show a polyanionic insertion material, Li2Fe(C2O4)2, in which in addition to iron redox activity, the oxalate group itself also shows redox behavior enabling reversible charge/discharge and high capacity without gas evolution. The current study gives oxalate a role as a family of cathode materials and suggests a direction for the identification and design of electrode materials with polyanionic frameworks.",

author = "Wenjiao Yao and Armstrong, \{A. Robert\} and Xiaolong Zhou and Moulay-Tahar Sougrati and Pinit Kidkhunthod and Sarayut Tunmee and Chenghua Sun and Suchinda Sattayaporn and Philip Lightfoot and Bifa Ji and Chunlei Jiang and Nanzhong Wu and Yongbing Tang and Hui-Ming Cheng",

note = "Authors acknowledge financial support from the National Natural Science Foundation of China (51822210), the Australian Research Council (ARC) for its support through Discover Project (DP 140100193),Shenzhen Peacock Plan (KQJSCX20170331161244761), the Program for Guangdong Innovative and Entrepreneurial Teams (No. 2017ZT07C341), and the Development and Reform Commission of Shenzhen Municipality for the development of the “Low-Dimensional Materials and Devices” discipline.",

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doi = "10.1038/s41467-019-11077-0",

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T1 - An oxalate cathode for lithium ion batteries with combined cationic and polyanionic redox

AU - Yao, Wenjiao

AU - Armstrong, A. Robert

AU - Zhou, Xiaolong

AU - Sougrati, Moulay-Tahar

AU - Kidkhunthod, Pinit

AU - Tunmee, Sarayut

AU - Sun, Chenghua

AU - Sattayaporn, Suchinda

AU - Lightfoot, Philip

AU - Ji, Bifa

AU - Jiang, Chunlei

AU - Wu, Nanzhong

AU - Tang, Yongbing

AU - Cheng, Hui-Ming

N1 - Authors acknowledge financial support from the National Natural Science Foundation of China (51822210), the Australian Research Council (ARC) for its support through Discover Project (DP 140100193),Shenzhen Peacock Plan (KQJSCX20170331161244761), the Program for Guangdong Innovative and Entrepreneurial Teams (No. 2017ZT07C341), and the Development and Reform Commission of Shenzhen Municipality for the development of the “Low-Dimensional Materials and Devices” discipline.

PY - 2019/8/2

Y1 - 2019/8/2

N2 - The growing demand for advanced lithium-ion batteries calls for the continued development of high-performance positive electrode materials. Polyoxyanion compounds are receiving considerable interest as alternative cathodes to conventional oxides due to their advantages in cost, safety and environmental friendliness. However, polyanionic cathodes reported so far rely heavily upon transition-metal redox reactions for lithium transfer. Here we show a polyanionic insertion material, Li2Fe(C2O4)2, in which in addition to iron redox activity, the oxalate group itself also shows redox behavior enabling reversible charge/discharge and high capacity without gas evolution. The current study gives oxalate a role as a family of cathode materials and suggests a direction for the identification and design of electrode materials with polyanionic frameworks.

AB - The growing demand for advanced lithium-ion batteries calls for the continued development of high-performance positive electrode materials. Polyoxyanion compounds are receiving considerable interest as alternative cathodes to conventional oxides due to their advantages in cost, safety and environmental friendliness. However, polyanionic cathodes reported so far rely heavily upon transition-metal redox reactions for lithium transfer. Here we show a polyanionic insertion material, Li2Fe(C2O4)2, in which in addition to iron redox activity, the oxalate group itself also shows redox behavior enabling reversible charge/discharge and high capacity without gas evolution. The current study gives oxalate a role as a family of cathode materials and suggests a direction for the identification and design of electrode materials with polyanionic frameworks.

UR - https://www.nature.com/articles/s41467-019-11077-0#Sec16

U2 - 10.1038/s41467-019-11077-0

DO - 10.1038/s41467-019-11077-0

M3 - Article

SN - 2041-1723

VL - 10

JO - Nature Communications

JF - Nature Communications

M1 - 3483

ER -

An oxalate cathode for lithium ion batteries with combined cationic and polyanionic redox

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