Solar-assisted lithium metal recovery from spent lithium iron phosphate batteries

Lithium iron phosphate (LiFePO4) batteries have been considered to be an excellent choice for electric vehicles and large-scale energy storage facilities owing to their superiorities of high specific energy, low cost, excellent thermal safety, and long lifespan, leading to numerous scrap batteries....

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Ning Xie, Dongmei Li, Yaqian Li, Jingming Gong, Xianluo Hu
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Solar-assisted electrolysis Lithium metal recovery Lithium iron phosphate Low energy consumption Spent batteries Chemical engineering TP155-156
Acceso en línea:	https://doaj.org/article/46c927e42b6e4b6ab98ff693b1fbc222
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:46c927e42b6e4b6ab98ff693b1fbc222
record_format	dspace
spelling	oai:doaj.org-article:46c927e42b6e4b6ab98ff693b1fbc2222021-11-18T04:52:56ZSolar-assisted lithium metal recovery from spent lithium iron phosphate batteries2666-821110.1016/j.ceja.2021.100163https://doaj.org/article/46c927e42b6e4b6ab98ff693b1fbc2222021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S266682112100079Xhttps://doaj.org/toc/2666-8211Lithium iron phosphate (LiFePO4) batteries have been considered to be an excellent choice for electric vehicles and large-scale energy storage facilities owing to their superiorities of high specific energy, low cost, excellent thermal safety, and long lifespan, leading to numerous scrap batteries. The lithium recovery from spent LiFePO4 batteries could be an alternative to relieve the shortage of resources and prevent the environmental pollution. However, traditional lithium recycling methods are limited in the practical application owing to the enormous consumption of chemical reagents and inevitable secondary pollution. Here we demonstrate a unique solar-assisted flow-through electrolysis method based on a TiO2 photoelectrode with efficient redox shuttles for lithium metal recovery from spent LiFePO4 batteries. The photovoltage generated on the TiO2 photoelectrode compensated the electrolysis potential, resulting in electric energy saving of 20.37% for lithium metal recovery. During the solar-assisted electrolysis process, metallic lithium could be instantaneously deposited on the copper foil avoiding secondary pollution. Moreover, the consumption of the I– solution was minimal via a close-loop flow-through regeneration reaction. 38.37 μg lithium metal was deposited with the energy consumption as low as 12.90 Wh g–1. It is worth noting that the lithium recovery from industrial spent LiFePO4 powders achieved a high recycling efficiency of 97.64%. This work provides a new simple but efficient way to recover lithium metal from spent LiFePO4 batteries.Ning XieDongmei LiYaqian LiJingming GongXianluo HuElsevierarticleSolar-assisted electrolysisLithium metal recoveryLithium iron phosphateLow energy consumptionSpent batteriesChemical engineeringTP155-156ENChemical Engineering Journal Advances, Vol 8, Iss , Pp 100163- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Solar-assisted electrolysis Lithium metal recovery Lithium iron phosphate Low energy consumption Spent batteries Chemical engineering TP155-156
spellingShingle	Solar-assisted electrolysis Lithium metal recovery Lithium iron phosphate Low energy consumption Spent batteries Chemical engineering TP155-156 Ning Xie Dongmei Li Yaqian Li Jingming Gong Xianluo Hu Solar-assisted lithium metal recovery from spent lithium iron phosphate batteries
description	Lithium iron phosphate (LiFePO4) batteries have been considered to be an excellent choice for electric vehicles and large-scale energy storage facilities owing to their superiorities of high specific energy, low cost, excellent thermal safety, and long lifespan, leading to numerous scrap batteries. The lithium recovery from spent LiFePO4 batteries could be an alternative to relieve the shortage of resources and prevent the environmental pollution. However, traditional lithium recycling methods are limited in the practical application owing to the enormous consumption of chemical reagents and inevitable secondary pollution. Here we demonstrate a unique solar-assisted flow-through electrolysis method based on a TiO2 photoelectrode with efficient redox shuttles for lithium metal recovery from spent LiFePO4 batteries. The photovoltage generated on the TiO2 photoelectrode compensated the electrolysis potential, resulting in electric energy saving of 20.37% for lithium metal recovery. During the solar-assisted electrolysis process, metallic lithium could be instantaneously deposited on the copper foil avoiding secondary pollution. Moreover, the consumption of the I– solution was minimal via a close-loop flow-through regeneration reaction. 38.37 μg lithium metal was deposited with the energy consumption as low as 12.90 Wh g–1. It is worth noting that the lithium recovery from industrial spent LiFePO4 powders achieved a high recycling efficiency of 97.64%. This work provides a new simple but efficient way to recover lithium metal from spent LiFePO4 batteries.
format	article
author	Ning Xie Dongmei Li Yaqian Li Jingming Gong Xianluo Hu
author_facet	Ning Xie Dongmei Li Yaqian Li Jingming Gong Xianluo Hu
author_sort	Ning Xie
title	Solar-assisted lithium metal recovery from spent lithium iron phosphate batteries
title_short	Solar-assisted lithium metal recovery from spent lithium iron phosphate batteries
title_full	Solar-assisted lithium metal recovery from spent lithium iron phosphate batteries
title_fullStr	Solar-assisted lithium metal recovery from spent lithium iron phosphate batteries
title_full_unstemmed	Solar-assisted lithium metal recovery from spent lithium iron phosphate batteries
title_sort	solar-assisted lithium metal recovery from spent lithium iron phosphate batteries
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/46c927e42b6e4b6ab98ff693b1fbc222
work_keys_str_mv	AT ningxie solarassistedlithiummetalrecoveryfromspentlithiumironphosphatebatteries AT dongmeili solarassistedlithiummetalrecoveryfromspentlithiumironphosphatebatteries AT yaqianli solarassistedlithiummetalrecoveryfromspentlithiumironphosphatebatteries AT jingminggong solarassistedlithiummetalrecoveryfromspentlithiumironphosphatebatteries AT xianluohu solarassistedlithiummetalrecoveryfromspentlithiumironphosphatebatteries
_version_	1718424970339549184

Solar-assisted lithium metal recovery from spent lithium iron phosphate batteries

Ejemplares similares