A novel graphene modified LiMnPO<sub>4</sub> as a performance-improved cathode material for lithium-ion batteries

Jiang, Yong; Liu, Ruizhe; Xu, Wanjian; Jiao, Zheng; Wu, Minghong; Chu, Yuliang; Su, Ling; Cao, Hui; Hou, Ming; Zhao, Bing

doi:10.1557/jmr.2013.235

Cited by 17 publications

(8 citation statements)

References 24 publications

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“…Second, its very good mechanical properties help in accommodating the volume changes of the active particles during cycling, thus improving the cycle life. This is true for any cathode of Li-ion batteries [161], and this has been testified to in the particular case of LMP in different works [162,163]. Superior results were observed with 300-500 nm thick LMP particles wrapped in 3 wt % reduced graphene oxide (RGO) [164].…”

Section: Graphene-lmp Compositesmentioning

confidence: 96%

“…As an alternative to graphene, multiwalled carbon nanotube (MWCNT)-loaded mesoporous LiFe 0.6 Mn 0.4 PO 4 /C microspheres were synthesized. The composite with 2 wt % MWCNT loading delivered 163,154,149,137,131,120, and 114 mAh g −1 at 0.1 C, 0.5 C, 1 C, 3 C, 5 C, 10 C, and 20 C, respectively, with no apparent capacity fading over 500 cycles [186]. This is a remarkable result that can be attributed to the synergetic effect of (i) the hierarchical structure: spherical secondary particles (5-20 µm) made of primary particles (100 nm); (ii) open mesopores; and (iii) highly conductive MWCNTs.…”

Section: Carbon Coatingmentioning

confidence: 99%

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Olivine Positive Electrodes for Li-Ion Batteries: Status and Perspectives

Mauger

Julien

2018

Batteries

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Among the compounds of the olivine family, LiMPO 4 with M = Fe, Mn, Ni, or Co, only LiFePO 4 is currently used as the active element of positive electrodes in lithium-ion batteries. However, intensive research devoted to other elements of the family has recently been successful in significantly improving their electrochemical performance, so that some of them are now promising for application in the battery industry and outperform LiFePO 4 in terms of energy density, a key parameter for use in electric vehicles in particular. The purpose of this review is to acknowledge the current state of the art and the progress that has been made recently on all the elements of the family and their solid solutions. We also discuss the results from the perspective of their potential application in the industry of Li-ion batteries.The main disadvantage of olivines with respect to other cathode chemistries for lithium batteries is the lower energy density. This is evidenced in Table 1 where we have reported the gravimetric and volumetric energy densities of LFP and two other cathode materials which have also found a market place in commercial batteries for electric vehicles: the manganese spinel LiMn 2 O 4 , and "LiNiCoAl" (NCA). In terms of energy density, the winner is clearly NCA, the cathode material used by Panasonic to manufacture the batteries of Tesla cars. However, the low energy density of LFP was not an obstacle for its success for EV applications. The top-selling EV manufacturer in the world today is BYD, which makes its own batteries. Its success comes from its choice of the LFP cathode chemistry. As an example, BYD's LFP battery used by e6 taxis in Shenzen has a driving range of 200 km and can be charged to 80% in just 20 min, or 100% in only 40 min using a BYD DC fast charger. The town has 12,000 taxis which will be electric by the end of this year, and all of the 7,000,000 buses are already electric buses, 80% being BYD buses.

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Section: Graphene-lmp Compositesmentioning

confidence: 96%

Section: Carbon Coatingmentioning

confidence: 99%

Olivine Positive Electrodes for Li-Ion Batteries: Status and Perspectives

Mauger

Julien

2018

Batteries

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“…However, the LiMn 0.8 Fe 0.2 PO 4 nanopaticles has a reversible capacity about 89.1mAh·g -1 in the initial cycle and only 86.8% of initial capacity was retained after 60 cycles. The good cycle stability of plate-like structure LiMn 0.8 Fe 0.2 PO 4 is attributed to the short lithium ion diffusion path and porosity [17].…”

Section: Resultsmentioning

confidence: 98%

Synthesis and Electrochemical Performance of Plate-like Structure LiMn0.8Fe0.2PO4/C as a Cathode Material for Lithium Ion Battery

Xiong¹,

Wang²,

Wang³

et al. 2016

Proceedings of the 2nd Annual International Conference on Advanced Material Engineering (AME 2016)

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Abstract. Olivine plate-like structure LiMn 0.8 Fe 0.2 PO 4 /C has been successfully synthesized under mild conditions using H 2 O/DMSO as solvent and CTAB as surfactant. DMSO and CTAB promote the formation of plate-like structure. The prepared plate-like structure LiMn 0.8 Fe 0.2 PO 4 /C delivers a reversible capacity of 141mAh·g -1 at 0.1C-rate, with 80.2% capacity retention at 7C-rate. Meanwhile, the plate-like structure LiMn 0.8 Fe 0.2 PO 4 /C exhibits excellent cycling stability at room temperature with 98.8% capacity retention after 60 cycles at 1C-rate. The plate-like structure LiMn 0.8 Fe 0.2 PO 4 /C cathode materials may have a promising potential application in li-ion batteries.

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“…The properties of graphene and its electrochemical behavior have been summarized and compared with other carbonaceous materials by Raccichini et al [90] and Kucinskis et al [89]. LiMnPO 4 electrodes with graphene have been prepared by many groups [40,[91][92][93]. Zong et al prepared a composite of LiMnPO 4 with graphene nanoplates by slurry and planetary milling using the sol-gel synthesis for LiMnPO 4 and chemically exfoliated graphene.…”

Section: Carbonaceous Materials In the Composite Of Limnpo 4 /Cmentioning

confidence: 99%

“…been prepared by many groups [40,[91][92][93]. Zong et al prepared a composite of LiMnPO4 with graphene nanoplates by slurry and planetary milling using the sol-gel synthesis for LiMnPO4 and chemically exfoliated graphene.…”

Section: Carbonaceous Materials In the Composite Of Limnpo 4 /Cmentioning

confidence: 99%

A Review: Carbon Additives in LiMnPO4- and LiCoO2-Based Cathode Composites for Lithium Ion Batteries

2018

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Carbon plays a critical role in improving the electronic conductivity of cathodes in lithium ion batteries. Particularly, the characteristics of carbon and its composite with electrode material strongly affect battery properties, governed by electron as well as Li+ ion transport. We have reviewed here various types of carbon materials and organic carbon sources in the production of conductive composites of nano-LiMnPO4 and LiCoO2. Various processes of making these composites with carbon or organic carbon sources and their characterization have been reviewed. Finally, the type and amount of carbon and the preparation methods of composites are summarized along with their battery performances and cathode materials. Among the different processes of making a composite, ball milling provided the benefit of dense and homogeneous nanostructured composites, leading to higher tap-density and thus increasing the volumetric energy densities of cathodes.

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A novel graphene modified LiMnPO₄ as a performance-improved cathode material for lithium-ion batteries

Abstract: Abstract

Cited by 17 publications

References 24 publications

Olivine Positive Electrodes for Li-Ion Batteries: Status and Perspectives

Olivine Positive Electrodes for Li-Ion Batteries: Status and Perspectives

Synthesis and Electrochemical Performance of Plate-like Structure LiMn0.8Fe0.2PO4/C as a Cathode Material for Lithium Ion Battery

A Review: Carbon Additives in LiMnPO4- and LiCoO2-Based Cathode Composites for Lithium Ion Batteries

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A novel graphene modified LiMnPO4 as a performance-improved cathode material for lithium-ion batteries

Abstract: Abstract

Cited by 17 publications

References 24 publications

Olivine Positive Electrodes for Li-Ion Batteries: Status and Perspectives

Olivine Positive Electrodes for Li-Ion Batteries: Status and Perspectives

Synthesis and Electrochemical Performance of Plate-like Structure LiMn0.8Fe0.2PO4/C as a Cathode Material for Lithium Ion Battery

A Review: Carbon Additives in LiMnPO4- and LiCoO2-Based Cathode Composites for Lithium Ion Batteries

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A novel graphene modified LiMnPO₄ as a performance-improved cathode material for lithium-ion batteries