Effect of carbon coating on the electrochemical performance of LiFePO4/C as cathode materials for aqueous electrolyte lithium-ion battery

Noerochim, Lukman; Yurwendra, Ade Okta; Susanti, Diah

doi:10.1007/s11581-015-1560-6

Cited by 24 publications

(11 citation statements)

References 11 publications

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“…[119] Carbon has been used as the protective layer to cover LiTi 2 (PO 4 ) 3 , [120][121][122][123] TiP 2 O 7 , [124] and LiFePO 4 , [125] since carbon has a high overpotential for HER and is also used as a standalone anode in aqueous LIBs. For instance, Wu et al used a protective TiO 2 layer to defer HER on the LiTi 2 (PO 4 ) 3 anode.…”

Section: Surface Protectionmentioning

confidence: 99%

“…For instance, Wu et al used a protective TiO 2 layer to defer HER on the LiTi 2 (PO 4 ) 3 anode . Carbon has been used as the protective layer to cover LiTi 2 (PO 4 ) 3 , TiP 2 O 7 , and LiFePO 4 , since carbon has a high overpotential for HER and is also used as a standalone anode in aqueous LIBs . However, the electrocatalytic activity of carbon can be higher than that of TiP 2 O 7 .…”

Section: Electrode Architecturementioning

confidence: 99%

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High‐Energy Aqueous Lithium Batteries

Eftekhari¹

2018

Advanced Energy Materials

152

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research, aqueous electrolytes were occasionally employed for the investigation of cathode materials instead of the conventional nonaqueous electrolytes. [9,10] It was discussed that the simplicity of an aqueous electrolyte provides a better opportunity for the fundamental studies of the process of intercalation/deintercalation of Li-ions as opposed to the nonaqueous electrolytes. For instance, although the formation of solid electrolyte interphase (SEI) is of utmost importance for the cyclability of LIB, the significant role of the electrolyte does not allow to exclusively study the electrochemical behavior of the electrode material under consideration. The current research has specifically targeted the development of ARLBs, but in practice, most of the recent papers have followed the same line of research in investigating a limited range of cathode and anode materials in the same aqueous electrolytes. [11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28] A possible reason is that the key advantage of ARLBs was low cost, and thus, the focus was limited to a few inexpensive materials (e.g., lithium salts). Aqueous electrolytes are definitely excellent choices for the fundamental studies of electrode materials, but the practical development of ARLBs needs overcoming the key obstacles rather than finding more cathode materials.In any case, aqueous electrolytes were occasionally used during the 2000s by various research groups, but there was no vivid plan for the development of ARLBs. These works have been extensively reviewed before, [29][30][31][32][33] and it is not aimed to repeat the general works on aqueous electrolytes here. During the recent years, new opportunities have been introduced, which can extend the stable potential window of aqueous electrolyte to the range of 3-4 V. Upon this advancement, aqueous electrolytes can fairly compete with the conventional nonaqueous electrolytes for the fabrication of cheaper and safer LIBs. On the other hand, novel designs such as self-healing [34] or flexible [16,35,36] ARLBs have paved the path for new practical potentials of aqueous electrolytes. The present paper specifically focuses on the recent advancements and attempts to foster the strategy of research to shed light on the pathway of this emerging area of research. Two factors are directly responsible for achieving a high energy density, the specific capacity, and the cell voltage. Since the former is not massively controlled by the electrolyte and the specific capacity of most electroactive Owing to the high voltage of lithium-ion batteries (LIBs), the dominating electrolyte is non-aqueous. The idea of an aqueous rechargeable lithium battery (ARLB) dates back to 1994, but it had attracted little attention due to the narrow stable potential window of aqueous electrolytes, which results in low energy density. However, aqueous electrolytes were employed during the 2000s for the fundamental studies of electrode materials in the absence of side reactions such as the decomposition of organic spec...

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Section: Surface Protectionmentioning

confidence: 99%

Section: Electrode Architecturementioning

confidence: 99%

High‐Energy Aqueous Lithium Batteries

Eftekhari¹

2018

Advanced Energy Materials

152

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“…Comparing with other cathode materials, the olivine structured LiFePO 4 has the poorest conductivity. In order to improve the electronic conductivity, Noerochim et al coated LiFePO 4 with porous carbon, which significantly enhanced the stability of the cathode [142] . Similarly, graphene-coated LiFePO 4 nanoparticles have been proved to achieve improvement of the rate performance and cycle stability of the cathode material [143] .…”

Section: Carbon-based Materialsmentioning

confidence: 99%

Recent progress of surface coating on cathode materials for high-performance lithium-ion batteries

Guan

Zhou

et al. 2020

Journal of Energy Chemistry

319

142

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“…LiMn 2 O 4 is a very common Li-ion intercalation-type cathode for both aqueous and non-aqueous batteries [1][2][3][4][5]. The aqueous rechargeable LiMn 2 O 4 battery has been developed extensively with different types of anodes [6][7][8][9][10][11][12][13][14][15][16]. Considering cost, operational safety, and environmental issues, aqueous rechargeable lithium batteries (ARLBs) are more attractive than their non-aqueous analogues [6].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Stability of Carbon Conductor in the Cathode of Aqueous Rechargeable Lithium Batteries against Overcharging

Hoang¹,

Saad²,

Chen³

2020

Batteries

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Three major components in a cathode of aqueous rechargeable lithium batteries are the active material, the polymer binder, and the carbon conductive additive. The stability of each component in the battery is the key to long service life. To evaluate the stability of the carbon component, we introduce here a quick and direct testing method. LiMn2O4 is chosen as a typical active material for the preparation of the cathode, with polyvinylidene fluoride (PVdF), and a commercial carbon, which is chosen among Acetylene black, superP, superP-Li, Ketjen black 1, Ketjen black 2, Graphite, KS-6, splintered glassy carbon, and splintered spherical carbon. This method reveals the correlation between the electrochemical stability of a carbon and its physical and structural properties. This helps researchers choose the right carbon component for a Li-ion cathode if they want the battery to be robust, especially at near full state of charge.

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Effect of carbon coating on the electrochemical performance of LiFePO4/C as cathode materials for aqueous electrolyte lithium-ion battery

Cited by 24 publications

References 11 publications

High‐Energy Aqueous Lithium Batteries

High‐Energy Aqueous Lithium Batteries

Recent progress of surface coating on cathode materials for high-performance lithium-ion batteries

Evaluation of the Stability of Carbon Conductor in the Cathode of Aqueous Rechargeable Lithium Batteries against Overcharging

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