In-Situ Intermolecular Interaction in Composite Polymer Electrolyte for Ultralong Life Quasi-Solid-State Lithium Metal Batteries

He，Kangqiang1,2; Cheng，Samson Ho Sum1; Hu，Jieying3; Zhang，Yangqian2; Yang，Huiwen1; Liu，Yingying5; Liao，Wenchao1; Chen，Dazhu1; Liao，Chengzhu4; Cheng，Xin4; Lu，Zhouguang4; He，Jun3; Tang，Jiaoning1; Li，Robert K.Y.2; Liu，Chen1

2021

10.1002/anie.202103403

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION   影响因子和分区

1433-7851

1521-3773

Solid-state lithium metal batteries built with composite polymer electrolytes using cubic garnets as active fillers are particularly attractive owing to their high energy density, easy manufacturing and inherent safety. However, the uncontrollable formation of intractable contaminant on garnet surface usually aggravates poor interfacial contact with polymer matrix and deteriorates Li pathways. Here we report a rational designed intermolecular interaction in composite electrolytes that utilizing contaminants as reaction initiator to generate Li conducting ether oligomers, which further emerge as molecular cross-linkers between inorganic fillers and polymer matrix, creating dense and homogeneous interfacial Li immigration channels in the composite electrolytes. The delicate design results in a remarkable ionic conductivity of 1.43×10 S cm and an unprecedented 1000 cycles with 90 % capacity retention at room temperature is achieved for the assembled solid-state batteries.

batteries electrochemistry interfaces lithium ring-opening polymerization

SCI ; EI

英语

NI论文 ; ESI高被引

其他

WOS:000640175000001

20211610234190

Composite structures ; Fillers ; Garnets ; Ionic conduction in solids ; Lithium ; Lithium batteries ; Polymer matrix composites ; Solid electrolytes ; Solid state devices ; Solid-State Batteries

Structural Members and Shapes:408.2 ; Lithium and Alloys:542.4 ; Electricity: Basic Concepts and Phenomena:701.1 ; Primary Batteries:702.1.1 ; Semiconductor Devices and Integrated Circuits:714.2 ; Chemical Agents and Basic Industrial Chemicals:803 ; Polymeric Materials:815.1 ; Organic Polymers:815.1.1

CHEMISTRY

2-s2.0-85104362764

Scopus

1.Shenzhen Key Laboratory of Polymer Science and Technology,Guangdong Research Center for Interfacial Engineering of Functional Materials,College of Materials Science and Engineering,Shenzhen University,Shenzhen,518060,China
2.Department of Materials Science and Engineering,City University of Hong Kong,Hong Kong
3.School of Chemical Engineering and Light Industry,Guangdong University of Technology,Guangzhou,510006,China
4.Shenzhen Key Laboratory of Solid State Batteries,Guangdong Provincial Key Laboratory of Energy Materials for Electric Power,Department of Materials Science and Engineering,Southern University of Science and Technology,Shenzhen,518055,China
5.Hefei Institutes of Physical Science,Institute of Intelligent Machines,Chinese Academy of Sciences,Hefei,230031,China

He，Kangqiang,Cheng，Samson Ho Sum,Hu，Jieying,et al. In-Situ Intermolecular Interaction in Composite Polymer Electrolyte for Ultralong Life Quasi-Solid-State Lithium Metal Batteries[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2021,60:12116-12123.

He，Kangqiang.,Cheng，Samson Ho Sum.,Hu，Jieying.,Zhang，Yangqian.,Yang，Huiwen.,...&Liu，Chen.(2021).In-Situ Intermolecular Interaction in Composite Polymer Electrolyte for Ultralong Life Quasi-Solid-State Lithium Metal Batteries.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,60,12116-12123.

He，Kangqiang,et al."In-Situ Intermolecular Interaction in Composite Polymer Electrolyte for Ultralong Life Quasi-Solid-State Lithium Metal Batteries".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 60(2021):12116-12123.