DataVXAdvanced Functional MaterialsPaper
journal article·2017-09

Amorphous GaN@Cu Freestanding Electrode for High‐Performance Li‐Ion Batteries

Shibing Ni, Peng Huang, Dongliang Chao, Guodong Yuan, Lichun Zhang, Fengzhou Zhao, Jinmin Li

Advanced Functional Materials· Volume 27· Issue 35
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Source abstract

Abstract

GaN is demonstrated to be an ideal anode for Li‐ion batteries (LIBs) for the first time. Amorphous GaN@Cu nanorods (a‐GaN@Cu) freestanding electrode is designed via a low‐temperature pulsed laser deposition method, which exhibits prominent rate capability and untralong lifespan as an anode for LIBs. With porous interconnected metal nanorods substrate to improve the structure integrity and electronic conductivity, the a‐GaN@Cu electrode delivers a capacity recovery of 980 mAh g−1 after 150 cycles from 0.25 to 6.25 A g−1 and a high discharge capacity of 509 mAh g−1 after 3000 cycles at 10.0 A g−1. The lithium storage in the a‐GaN is also systematically studied, which suggests a redox reaction mechanism.
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Research context

Energy storageNanomaterialsMaterials processing

OpenAlex topics: Advancements in Battery Materials · Supercapacitor Materials and Fabrication · Advanced Battery Materials and Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Materials and Chemical Engineering China Three Gorges University Yichang 443002 China

School of Physical and Mathematical Sciences Nanyang Technological University Singapore 637371 Singapore

Hubei Provincial Collaborative Innovation Center for New Energy Microgrid China Three Gorges University Yichang 443002 China

Research and Development Center for Solid State Lighting Institute of Semiconductors Chinese Academy of Sciences Beijing 100083 China

School of Physics and Optoelectronic Engineering Ludong University Yantai 264025 China

Funding

National Natural Science Foundation of China

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