A rechargeable Al-ion battery: Al/molten AlCl3-urea/graphite

Handong Jiao; Chen Wang; Jiguo Tu; Donghua Tian; Shuqiang Jiao

doi:10.1039/c6cc09825h

A rechargeable Al-ion battery: Al/molten AlCl₃-urea/graphite

Handong Jiao, Chen Wang, Jiguo Tu, Donghua Tian, Shuqiang Jiao^*

^*Corresponding author for this work

University of Science and Technology Beijing

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

157 Citations (Scopus)

Abstract

A new Al-ion battery based on an affordable and nontoxic liquid electrolyte made from molten AlCl₃/urea was assembled. As the cathode material, natural graphite shows two well-defined discharge voltage plateaus at about 1.9 and 1.5 V with a high specific capacity of 93 mA h g⁻¹ and excellent coulombic efficiency (>99%). The attractive capacity (about 78 mA h g⁻¹) is retained even at a high current density of 1000 mA g⁻¹. Moreover, no faster fading in capacity is observed after 500 cycles. This electrolyte could provide a new system for Al ion batteries, which can be used for large scale energy storage, owing to its cost advantages, high-rate capability and durability.

Original language	English
Pages (from-to)	2331-2334
Number of pages	4
Journal	Chemical Communications
Volume	53
Issue number	15
DOIs	https://doi.org/10.1039/c6cc09825h
Publication status	Published - 2017
Externally published	Yes

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abstract = "A new Al-ion battery based on an affordable and nontoxic liquid electrolyte made from molten AlCl3/urea was assembled. As the cathode material, natural graphite shows two well-defined discharge voltage plateaus at about 1.9 and 1.5 V with a high specific capacity of 93 mA h g−1 and excellent coulombic efficiency (>99%). The attractive capacity (about 78 mA h g−1) is retained even at a high current density of 1000 mA g−1. Moreover, no faster fading in capacity is observed after 500 cycles. This electrolyte could provide a new system for Al ion batteries, which can be used for large scale energy storage, owing to its cost advantages, high-rate capability and durability.",

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AU - Tian, Donghua

AU - Jiao, Shuqiang

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AB - A new Al-ion battery based on an affordable and nontoxic liquid electrolyte made from molten AlCl3/urea was assembled. As the cathode material, natural graphite shows two well-defined discharge voltage plateaus at about 1.9 and 1.5 V with a high specific capacity of 93 mA h g−1 and excellent coulombic efficiency (>99%). The attractive capacity (about 78 mA h g−1) is retained even at a high current density of 1000 mA g−1. Moreover, no faster fading in capacity is observed after 500 cycles. This electrolyte could provide a new system for Al ion batteries, which can be used for large scale energy storage, owing to its cost advantages, high-rate capability and durability.

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A rechargeable Al-ion battery: Al/molten AlCl₃-urea/graphite

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